ci: backport_issue_check: Use ubuntu-22.04 virtual environment

This commit updates the pull request backport issue check workflow to
use the Ubuntu 22.04 virtual environment.

Signed-off-by: Stephanos Ioannidis <root@stephanos.io>
(cherry picked from commit cadd6e6fa4)

.checkpatch.conf

@@ -5,6 +5,7 @@
 --min-conf-desc-length=1
 --typedefsfile=scripts/checkpatch/typedefsfile
 
+--ignore BRACES
 --ignore PRINTK_WITHOUT_KERN_LEVEL
 --ignore SPLIT_STRING
 --ignore VOLATILE
@@ -28,5 +29,4 @@
 --ignore MULTISTATEMENT_MACRO_USE_DO_WHILE
 --ignore ENOSYS
 --ignore IS_ENABLED_CONFIG
---ignore EXPORT_SYMBOL
---ignore COMPARISON_TO_NULL
+--exclude ext

.clang-format

@@ -1,52 +1,82 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: GPL-2.0
 #
-# Note: The list of ForEachMacros can be obtained using:
+# clang-format configuration file. Intended for clang-format >= 4.
 #
-#    git grep -h '^#define [^[:space:]]*FOR_EACH[^[:space:]]*(' include/ \
-#    | sed "s,^#define \([^[:space:]]*FOR_EACH[^[:space:]]*\)(.*$,  - '\1'," \
-#    | sort | uniq
+# For more information, see:
+#
+#   Documentation/process/clang-format.rst
+#   https://clang.llvm.org/docs/ClangFormat.html
+#   https://clang.llvm.org/docs/ClangFormatStyleOptions.html
 #
-# References:
-#   - https://clang.llvm.org/docs/ClangFormatStyleOptions.html
-
 ---
-BasedOnStyle: LLVM
-AlignConsecutiveMacros: AcrossComments
-AllowShortBlocksOnASingleLine: Never
+AccessModifierOffset: -4
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+#AlignEscapedNewlines: Left # Unknown to clang-format-4.0
+AlignOperands: true
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: false
 AllowShortCaseLabelsOnASingleLine: false
-AllowShortEnumsOnASingleLine: false
 AllowShortFunctionsOnASingleLine: None
 AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: false
-AttributeMacros:
-  - __aligned
-  - __deprecated
-  - __packed
-  - __printf_like
-  - __syscall
-  - __syscall_always_inline
-  - __subsystem
-BitFieldColonSpacing: After
-BreakBeforeBraces: Linux
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterClass: false
+  AfterControlStatement: false
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: true
+  AfterObjCDeclaration: false
+  AfterStruct: false
+  AfterUnion: false
+  #AfterExternBlock: false # Unknown to clang-format-5.0
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  #SplitEmptyFunction: true # Unknown to clang-format-4.0
+  #SplitEmptyRecord: true # Unknown to clang-format-4.0
+  #SplitEmptyNamespace: true # Unknown to clang-format-4.0
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Custom
+#BreakBeforeInheritanceComma: false # Unknown to clang-format-4.0
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializersBeforeComma: false
+#BreakConstructorInitializers: BeforeComma # Unknown to clang-format-4.0
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: false
 ColumnLimit: 100
+CommentPragmas: '^ IWYU pragma:'
+#CompactNamespaces: false # Unknown to clang-format-4.0
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
 ConstructorInitializerIndentWidth: 8
 ContinuationIndentWidth: 8
+Cpp11BracedListStyle: false
+DerivePointerAlignment: false
+DisableFormat: false
+ExperimentalAutoDetectBinPacking: false
+#FixNamespaceComments: false # Unknown to clang-format-4.0
+
+# Taken from:
+#   git grep -h '^#define [^[:space:]]*FOR_EACH[^[:space:]]*(' include/ \
+#   | sed "s,^#define \([^[:space:]]*FOR_EACH[^[:space:]]*\)(.*$,  - '\1'," \
+#   | sort | uniq
 ForEachMacros:
-  - 'ARRAY_FOR_EACH'
-  - 'ARRAY_FOR_EACH_PTR'
   - 'FOR_EACH'
   - 'FOR_EACH_FIXED_ARG'
-  - 'FOR_EACH_IDX'
-  - 'FOR_EACH_IDX_FIXED_ARG'
-  - 'FOR_EACH_NONEMPTY_TERM'
-  - 'FOR_EACH_FIXED_ARG_NONEMPTY_TERM'
   - 'RB_FOR_EACH'
   - 'RB_FOR_EACH_CONTAINER'
   - 'SYS_DLIST_FOR_EACH_CONTAINER'
   - 'SYS_DLIST_FOR_EACH_CONTAINER_SAFE'
   - 'SYS_DLIST_FOR_EACH_NODE'
   - 'SYS_DLIST_FOR_EACH_NODE_SAFE'
-  - 'SYS_SEM_LOCK'
   - 'SYS_SFLIST_FOR_EACH_CONTAINER'
   - 'SYS_SFLIST_FOR_EACH_CONTAINER_SAFE'
   - 'SYS_SFLIST_FOR_EACH_NODE'
@@ -55,62 +85,61 @@ ForEachMacros:
   - 'SYS_SLIST_FOR_EACH_CONTAINER_SAFE'
   - 'SYS_SLIST_FOR_EACH_NODE'
   - 'SYS_SLIST_FOR_EACH_NODE_SAFE'
-  - '_WAIT_Q_FOR_EACH'
-  - 'Z_FOR_EACH'
-  - 'Z_FOR_EACH_ENGINE'
-  - 'Z_FOR_EACH_EXEC'
-  - 'Z_FOR_EACH_FIXED_ARG'
-  - 'Z_FOR_EACH_FIXED_ARG_EXEC'
-  - 'Z_FOR_EACH_IDX'
-  - 'Z_FOR_EACH_IDX_EXEC'
-  - 'Z_FOR_EACH_IDX_FIXED_ARG'
-  - 'Z_FOR_EACH_IDX_FIXED_ARG_EXEC'
   - 'Z_GENLIST_FOR_EACH_CONTAINER'
   - 'Z_GENLIST_FOR_EACH_CONTAINER_SAFE'
   - 'Z_GENLIST_FOR_EACH_NODE'
   - 'Z_GENLIST_FOR_EACH_NODE_SAFE'
-  - 'STRUCT_SECTION_FOREACH'
-  - 'STRUCT_SECTION_FOREACH_ALTERNATE'
-  - 'TYPE_SECTION_FOREACH'
-  - 'K_SPINLOCK'
-  - 'COAP_RESOURCE_FOREACH'
-  - 'COAP_SERVICE_FOREACH'
-  - 'COAP_SERVICE_FOREACH_RESOURCE'
-  - 'HTTP_RESOURCE_FOREACH'
-  - 'HTTP_SERVER_CONTENT_TYPE_FOREACH'
-  - 'HTTP_SERVICE_FOREACH'
-  - 'HTTP_SERVICE_FOREACH_RESOURCE'
-  - 'I3C_BUS_FOR_EACH_I3CDEV'
-  - 'I3C_BUS_FOR_EACH_I2CDEV'
-  - 'MIN_HEAP_FOREACH'
-IfMacros:
-  - 'CHECKIF'
-# Disabled for now, see bug https://github.com/zephyrproject-rtos/zephyr/issues/48520
-#IncludeBlocks: Regroup
+  - '_WAIT_Q_FOR_EACH'
+
+#IncludeBlocks: Preserve # Unknown to clang-format-5.0
 IncludeCategories:
-  - Regex: '^".*\.h"$'
-    Priority: 0
-  - Regex: '^<(assert|complex|ctype|errno|fenv|float|inttypes|limits|locale|math|setjmp|signal|stdarg|stdbool|stddef|stdint|stdio|stdlib|string|tgmath|time|wchar|wctype)\.h>$'
-    Priority: 1
-  - Regex: '^\<zephyr/.*\.h\>$'
-    Priority: 2
   - Regex: '.*'
-    Priority: 3
+    Priority: 1
+IncludeIsMainRegex: '(Test)?$'
 IndentCaseLabels: false
-IndentGotoLabels: false
+#IndentPPDirectives: None # Unknown to clang-format-5.0
 IndentWidth: 8
-InsertBraces: true
-InsertNewlineAtEOF: true
-SpaceBeforeInheritanceColon: False
-SpaceBeforeParens: ControlStatementsExceptControlMacros
-SortIncludes: Never
-UseTab: ForContinuationAndIndentation
-WhitespaceSensitiveMacros:
-  - COND_CODE_0
-  - COND_CODE_1
-  - IF_DISABLED
-  - IF_ENABLED
-  - LISTIFY
-  - STRINGIFY
-  - Z_STRINGIFY
-  - DT_FOREACH_PROP_ELEM_SEP
+IndentWrappedFunctionNames: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd: ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: Inner
+#ObjCBinPackProtocolList: Auto # Unknown to clang-format-5.0
+ObjCBlockIndentWidth: 8
+ObjCSpaceAfterProperty: true
+ObjCSpaceBeforeProtocolList: true
+
+# Taken from git's rules
+#PenaltyBreakAssignment: 10 # Unknown to clang-format-4.0
+PenaltyBreakBeforeFirstCallParameter: 30
+PenaltyBreakComment: 10
+PenaltyBreakFirstLessLess: 0
+PenaltyBreakString: 10
+PenaltyExcessCharacter: 100
+PenaltyReturnTypeOnItsOwnLine: 60
+
+PointerAlignment: Right
+ReflowComments: false
+SortIncludes: false
+#SortUsingDeclarations: false # Unknown to clang-format-4.0
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+#SpaceBeforeCtorInitializerColon: true # Unknown to clang-format-5.0
+#SpaceBeforeInheritanceColon: true # Unknown to clang-format-5.0
+SpaceBeforeParens: ControlStatements
+#SpaceBeforeRangeBasedForLoopColon: true # Unknown to clang-format-5.0
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInContainerLiterals: false
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Cpp03
+TabWidth: 8
+UseTab: Always
+...

.codechecker.yml

@@ -1,21 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-#
-# Copyright (c) 2024, Basalte bv
-
-analyzer:
-  # Start by disabling all
-  - --disable-all
-
-  # Enable the sensitive profile
-  - --enable=sensitive
-
-  # Disable unused cases
-  - --disable=boost
-  - --disable=mpi
-
-  # Many identifiers in zephyr start with _
-  - --disable=clang-diagnostic-reserved-identifier
-  - --disable=clang-diagnostic-reserved-macro-identifier
-
-  # Cleanup
-  - --clean

.codecov.yml

@@ -12,10 +12,10 @@ coverage:
     patch: yes
     changes: no
 
-# ignore:
-#   - "tests/**/*"
-#   - "samples/**/*"
-#   - "ext/hal/**/*"
+#ignore:
+#  - "tests/**/*"
+#  - "samples/**/*"
+#  - "ext/hal/**/*"
 
 parsers:
   gcov:

.editorconfig

@@ -9,7 +9,7 @@ charset = utf-8
 end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
-max_line_length = 100
+max_line_length = 80
 
 # Assembly
 [*.S]
@@ -21,16 +21,6 @@ indent_size = 8
 indent_style = tab
 indent_size = 8
 
-# C++
-[*.{cpp,hpp}]
-indent_style = tab
-indent_size = 8
-
-# Linker Script
-[*.ld]
-indent_style = tab
-indent_size = 8
-
 # Python
 [*.py]
 indent_style = space
@@ -41,11 +31,6 @@ indent_size = 4
 indent_style = tab
 indent_size = 8
 
-# reStructuredText
-[*.rst]
-indent_style = space
-indent_size = 3
-
 # YAML
 [*.{yml,yaml}]
 indent_style = space
@@ -75,7 +60,6 @@ indent_size = 2
 # Makefile
 [Makefile]
 indent_style = tab
-indent_size = 8
 
 # Device tree
 [*.{dts,dtsi,overlay}]
@@ -84,13 +68,8 @@ indent_size = 8
 
 # Git commit messages
 [COMMIT_EDITMSG]
-max_line_length = 75
-
-# Patches
-[{*.patch,*.diff}]
-trim_trailing_whitespace = false
+max_line_length = 72
 
 # Kconfig
 [Kconfig*]
-indent_style = tab
-indent_size = 8
+indent_style=tab

.github/ISSUE_TEMPLATE/001_bug_report.yml

@@ -1,85 +0,0 @@
-name: Bug Report
-description: File a bug report.
-labels: ["bug"]
-type: "Bug"
-assignees: []
-body:
-  - type: markdown
-    attributes:
-      value: |
-        Thanks for taking the time to fill out this bug report!
-  - type: textarea
-    id: what-happened
-    attributes:
-      label: Describe the bug
-      description: |
-        A clear and concise description of what the bug is.
-
-      placeholder: |
-        Please also mention any information which could help others to understand
-        the problem you're facing:
-          - What target platform are you using?
-          - What have you tried to diagnose or workaround this issue?
-          - Is this a regression? If yes, have you been able to "git bisect" it to a
-            specific commit?
-    validations:
-      required: true
-  - type: checkboxes
-    id: regression
-    attributes:
-      label: Regression
-      description: |
-        Check this box if this is a regression and provide a SHA if you were able to "git bisect" to a specific commit.
-      options:
-        - label: This is a regression.
-          required: false
-  - type: textarea
-    id: reproduce
-    attributes:
-      label: Steps to reproduce
-      description: |
-        Steps to reproduce the behavior.
-
-      placeholder: |
-        Steps to reproduce the behavior:
-          1. mkdir build; cd build
-          2. cmake -DBOARD=board\_xyz
-          3. make
-          4. See error
-    validations:
-      required: false
-  - type: textarea
-    id: logs
-    attributes:
-      label: Relevant log output
-      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
-      render: shell
-  - type: dropdown
-    attributes:
-      label: Impact
-      description: Impact of this bug
-      multiple: false
-      options:
-        - Showstopper – Prevents release or major functionality; system unusable.
-        - Major – Severely degrades functionality; workaround is difficult or unavailable.
-        - Functional Limitation – Some features not working as expected, but system usable.
-        - Annoyance – Minor irritation; no significant impact on usability or functionality.
-        - Intermittent – Occurs occasionally; hard to reproduce.
-        - Not sure
-      default: 3
-    validations:
-      required: true
-  - type: textarea
-    id: env
-    attributes:
-      label: Environment
-      description: please complete the following information
-      placeholder: |
-       - OS: (e.g. Linux, MacOS, Windows)
-       - Toolchain (e.g Zephyr SDK, ...)
-       - Commit SHA or Version used
-  - type: textarea
-    id: context
-    attributes:
-      label: Additional Context
-      description: Provide other context that could be relevant to the bug, such as pin setting, target configuration,etc.

.github/ISSUE_TEMPLATE/002_enhancement.yml

@@ -1,42 +0,0 @@
-name: Enhancement
-description: Submit an Enhancement
-labels: ["Enhancement"]
-type: "Enhancement"
-assignees: []
-body:
-  - type: markdown
-    attributes:
-      value: |
-        Thanks for taking the time to fill out this enhancement proposal.
-  - type: textarea
-    id: description
-    attributes:
-      label: Summary
-      description: |
-        Is your enhancement proposal related to a problem? Please describe.
-      placeholder: |
-        A clear and concise description of what the problem is.
-    validations:
-      required: true
-  - type: textarea
-    id: solution
-    attributes:
-      label: Describe the solution you'd like
-      description: |
-        Describe the solution you'd like
-      placeholder: |
-        A clear and concise description of what you want to happen.
-    validations:
-      required: true
-  - type: textarea
-    id: alternatives
-    attributes:
-      label: Alternatives
-      description: Describe alternatives you've considered
-      placeholder: |
-        A clear and concise description of any alternative solutions or features you've considered.
-  - type: textarea
-    id: context
-    attributes:
-      label: Additional Context
-      description: Add any other context or graphics (drag-and-drop an image) about the enhancement here.

.github/ISSUE_TEMPLATE/003_rfc-proposal.yml

@@ -1,75 +0,0 @@
-name: RFC / Proposal
-description: Submit a Proposal (RFC)
-labels: ["RFC"]
-type: RFC
-assignees: []
-body:
-  - type: markdown
-    attributes:
-      value: |
-        ## Introduction
-
-        This section targets end users, TSC members, maintainers and anyone else
-        that might need a quick explanation of your proposed change.
-
-  - type: textarea
-    id: problem-description
-    attributes:
-      label: Problem Description
-      description: Why do we want this change and what problem are we trying to address?
-      placeholder: Explain the problem or limitation this RFC is meant to resolve.
-    validations:
-      required: true
-
-  - type: textarea
-    id: proposed-change-summary
-    attributes:
-      label: Proposed Change (Summary)
-      description: A high-level summary of the proposed change.
-      placeholder: Brief summary of what will change if this RFC is implemented.
-    validations:
-      required: true
-
-  - type: markdown
-    attributes:
-      value: |
-        ## Detailed RFC
-
-        This section targets the development team. Upon reading it, each engineer
-        should understand what must be done to implement the proposed feature.
-
-  - type: textarea
-    id: detailed-change
-    attributes:
-      label: Proposed Change (Detailed)
-      description: Describe the change in as much detail as possible. Include context or background info, and reuse of existing components if applicable.
-      placeholder: Explain exactly what you’re planning to change and how.
-    validations:
-      required: true
-
-  - type: textarea
-    id: dependencies
-    attributes:
-      label: Dependencies
-      description: Highlight how this change may affect the rest of the project or other teams/components.
-      placeholder: List components, modules, or teams affected.
-    validations:
-      required: false
-
-  - type: textarea
-    id: concerns
-    attributes:
-      label: Concerns and Unresolved Questions
-      description: List any concerns, unknowns, or unresolved questions related to this proposal.
-      placeholder: Any areas of uncertainty?
-    validations:
-      required: false
-
-  - type: textarea
-    id: alternatives
-    attributes:
-      label: Alternatives Considered
-      description: What alternative solutions were considered? Why was this proposal chosen?
-      placeholder: List alternatives and explain the rationale behind your choice.
-    validations:
-      required: false

.github/ISSUE_TEMPLATE/004_feature_request.yml

@@ -1,29 +0,0 @@
-name: Feature Request
-description: Suggest a new feature or enhancement
-labels: ["Feature Request"]
-type: Feature
-assignees: []
-body:
-  - type: textarea
-    id: problem
-    attributes:
-      label: Is your feature request related to a problem? Please describe.
-      description: A clear and concise description of what the problem is.
-      placeholder: e.g., I'm frustrated when I need to do X manually because Y is missing.
-    validations:
-      required: true
-
-  - type: textarea
-    id: solution
-    attributes:
-      label: Describe the solution you'd like
-      description: A clear and concise description of what you want to happen.
-      placeholder: e.g., It would be great if the system could automatically handle X by doing Y.
-    validations:
-      required: true
-
-  - type: textarea
-    id: alternatives
-    attributes:
-      label: Describe alternatives you've considered
-      description: Include any alternative solutions or features

.github/ISSUE_TEMPLATE/006_nomination.yml

@@ -1,57 +0,0 @@
-name: Contributor Nomination
-description: Nominate a GitHub user for the Contributor role with triage permissions
-labels: [Role Nomination]
-assignees: ['nashif']
-body:
-  - type: markdown
-    attributes:
-      value: |
-        ## Background
-
-        The [TSC Project Roles](https://docs.zephyrproject.org/latest/project/project_roles.html) defines the main roles for the Zephyr Project, including Maintainer, Collaborator, and Contributor.
-
-        By default, anyone who contributes code or documentation is a Contributor, but with the lowest [GitHub Permission Level](https://docs.github.com/en/organizations/managing-access-to-your-organizations-repositories/repository-roles-for-an-organization) of **Read**.
-
-        Use this form to nominate a user for the **Contributor** role with **Triage** permission, which allows the user to:
-        - Add reviewers to pull requests
-        - Be added as a reviewer by others
-
-  - type: input
-    id: full-name
-    attributes:
-      label: Full Name
-      description: Full name of the nominated contributor.
-      placeholder: e.g., Jane Doe
-    validations:
-      required: true
-
-  - type: input
-    id: github-username
-    attributes:
-      label: GitHub Username
-      description: GitHub handle of the nominated contributor.
-      placeholder: e.g., @janedoe
-    validations:
-      required: true
-
-  - type: input
-    id: organization
-    attributes:
-      label: Organization
-      description: Organization the nominee is affiliated with (optional).
-      placeholder: e.g., Acme Corp
-    validations:
-      required: false
-
-  - type: textarea
-    id: supporting-documents
-    attributes:
-      label: Supporting Documents
-      description: Provide links to 3–5 pull requests authored or reviewed by the nominee that demonstrate their dedication to the Zephyr project.
-      placeholder: |
-        e.g.,
-        - https://github.com/zephyrproject-rtos/zephyr/pull/12345
-        - https://github.com/zephyrproject-rtos/zephyr/pull/23456
-        - https://github.com/zephyrproject-rtos/zephyr/pull/34567
-    validations:
-      required: true

.github/ISSUE_TEMPLATE/007_ext-source.yml

@@ -1,106 +0,0 @@
-name: External Component Integration
-description: Propose integration of an external open source component
-labels: ["TSC"]
-assignees: []
-body:
-  - type: textarea
-    id: origin
-    attributes:
-      label: Origin
-      description: Name of project hosting the original open source code. Provide a link to the source.
-      placeholder: e.g., SQLite - https://sqlite.org
-    validations:
-      required: true
-
-  - type: textarea
-    id: purpose
-    attributes:
-      label: Purpose
-      description: Brief description of what this software does.
-      placeholder: |
-        e.g., A small, fast, self-contained SQL database engine.
-    validations:
-      required: true
-
-  - type: textarea
-    id: integration-mode
-    attributes:
-      label: Mode of Integration
-      description: Should this be integrated in the main tree or as a module? Explain your choice and suggest a module repo name if applicable.
-      placeholder: |
-        e.g., As a module - proposed repo name: zephyr-sqlite
-    validations:
-      required: true
-
-  - type: textarea
-    id: maintainership
-    attributes:
-      label: Maintainership
-      description: List maintainers (GitHub IDs) for this integration. Include at least one primary maintainer.
-      placeholder: |
-        e.g., @username1 (primary), @username2 (collaborator)
-    validations:
-      required: true
-
-  - type: input
-    id: pull-request
-    attributes:
-      label: Pull Request
-      description: Link to the pull request (if any) for this integration. Must be labeled "DNM" (Do Not Merge).
-      placeholder: |
-        e.g., https://github.com/zephyrproject-rtos/zephyr/pull/12345
-    validations:
-      required: false
-
-  - type: textarea
-    id: description
-    attributes:
-      label: Description
-      description: Long-form description to justify suitability of this component.
-      placeholder: |
-        - What is its primary functionality?
-        - What problem does it solve?
-        - Why is this the right component?
-    validations:
-      required: true
-
-  - type: textarea
-    id: security
-    attributes:
-      label: Security
-      description: Security-related aspects of this component, including cryptographic functions and known vulnerabilities.
-      placeholder: |
-        - Does it use cryptography?
-        - How are vulnerabilities handled?
-        - Any known CVEs?
-    validations:
-      required: false
-
-  - type: textarea
-    id: dependencies
-    attributes:
-      label: Dependencies
-      description: What does this component depend on, and how will it be integrated (directly or via abstraction)?
-      placeholder: |
-        - Other external packages?
-        - Direct or abstracted use in Zephyr?
-    validations:
-      required: false
-
-  - type: input
-    id: revision
-    attributes:
-      label: Version or SHA
-      description: Which version or specific commit should be initially integrated?
-      placeholder: e.g., v3.45.0 or 79cc94d
-    validations:
-      required: true
-
-  - type: input
-    id: license
-    attributes:
-      label: License (SPDX)
-      description: Provide the license using a valid SPDX identifier (e.g., BSD-3-Clause).
-      placeholder: e.g., MIT or BSD-3-Clause
-    validations:
-      required: true

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,45 @@
+---
+name: Bug report
+about: Create a report to help us improve Zephyr
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+Please also mention any information which could help others to understand
+the problem you're facing:
+ - What target platform are you using?
+ - What have you tried to diagnose or workaround this issue?
+ - ...
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. mkdir build; cd build
+2. cmake -DBOARD=board\_xyz
+3. make
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Impact**
+What impact does this issue have on your progress (e.g., annoyance, showstopper)
+
+**Logs and console output**
+If applicable, add console logs or other types of debug information
+e.g Wireshark capture or Logic analyzer capture (upload in zip archive).
+copy-and-paste text and put a code fence (\`\`\`) before and after, to help
+explain the issue. (if unable to obtain text log, add a screenshot)
+
+**Environment (please complete the following information):**
+ - OS: (e.g. Linux, MacOS, Windows)
+ - Toolchain (e.g Zephyr SDK, ...)
+ - Commit SHA or Version used
+
+**Additional context**
+Add any other context that could be relevant to your issue, such as pin setting,
+target configuration, ...

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +0,0 @@
-blank_issues_enabled: false
-contact_links:
-  - name: Zephyr Community Support
-    url: https://github.com/zephyrproject-rtos/zephyr/discussions
-    about: Please ask and answer questions here.

.github/ISSUE_TEMPLATE/enhancement.md

@@ -0,0 +1,20 @@
+---
+name: Enhancement
+about: Suggest enhancements to existing features
+title: ''
+labels: Enhancement
+assignees: ''
+
+---
+
+**Is your enhancement proposal related to a problem? Please describe.**
+A clear and concise description of what the problem is.
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or graphics (drag-and-drop an image) about the feature request here.

.github/ISSUE_TEMPLATE/ext-source.md

@@ -0,0 +1,62 @@
+---
+name: External Source Code
+about: Submit a proposal to integrate external source code
+title: ''
+labels: TSC
+assignees: ''
+
+---
+
+## Origin
+
+Name of project hosting the original open source code
+Provide a link to the source
+
+## Purpose
+
+Brief description of what this software does
+
+## Mode of integration
+
+Describe whether you'd like to integrate this exernal component in the main tree
+or as a module, and why. If the mode of integration is a module, suggest a
+repository name for the module
+
+## Pull Request
+
+Pull request (if any) with the actual implementation of the integration, be it
+in the main tree or as a module (pointing to your own fork for now). Make sure
+the PR is correctly labeled as "DNM"
+
+## Description
+
+Long description that will help reviewers discuss suitability of the
+component to solve the problem at hand (there may be a better options
+available.)
+
+What is its primary functionality (e.g., SQLLite is a lightweight
+database)?
+
+What problem are you trying to solve? (e.g., a state store is
+required to maintain ...)
+
+Why is this the right component to solve it (e.g., SQLite is small,
+easy to use, and has a very liberal license.)
+
+# Dependencies
+
+What other components does this package depend on?
+
+Will the Zephyr project have a direct dependency on the component, or
+will it be included via an abstraction layer with this component as a
+replaceable implementation?
+
+## Revision
+
+Version or SHA you would like to integrate initially
+
+## License
+
+Please use an SPDX identifier (https://spdx.org/licenses/), such as
+``BSD-3-Clause``
+

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: Feature Request
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is.
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or graphics (drag-and-drop an image) about the feature request here.

.github/ISSUE_TEMPLATE/hardware_support.md

@@ -0,0 +1,19 @@
+---
+name: Hardware Support
+about: Suggest adding hardware support
+title: ''
+labels: Hardware Support
+assignees: ''
+
+---
+
+**Is this request related to a missing driver support for a particular hardware platform, SoC or board? Please describe.**
+Describe in details the hardware support being requested and why this support benefits Zephyr.
+
+**Describe why you are asking for this support?**
+Describe why you are asking for this support instead of contributing it directly to the tree
+
+If this is a new board or SoC, please state whether you are willing to maintain the Zephyr support for it if it is included in the main tree
+
+**Additional context**
+Add any other context or graphics (drag-and-drop an image) about the hardware here.

.github/ISSUE_TEMPLATE/nomination.md

@@ -0,0 +1,41 @@
+---
+name: Contributor Nomination
+about: Nominate a GitHub user for additional rights on the Zephyr Project
+title: ''
+labels: Role Nomination
+assignees: ''
+
+---
+
+# Background
+
+The [TSC Project Roles] defines the main roles for the Zephyr Project, including
+Maintainer, Collaborator, and Contributor.
+
+By default anyone that contributes code or documentation is a Contributor, but
+with the lowest [GitHub Permission Level] of Read. For example, Contributors
+with Read permission do not have the permission to add reviewers to a pull
+request.
+
+Use this template to nominate a GitHub user for an elevated permission level in
+the Contributor role.
+
+# Nomination
+
+## GitHub User
+
+Provide the following information about the GitHub user:
+
+1. Full Name
+1. GitHub username
+1. Organization (optional)
+
+## Supporting Documents
+
+Add links to 3-5 GitHub pull requests, in the Zephyr project, authored or
+reviewed by the GitHub user that demonstrate the user's dedication to the
+Zephyr project.
+
+
+[TSC Project Roles]: <https://docs.zephyrproject.org/latest/development_process/project_roles.html#tsc-project-roles>
+[GitHub Permission Level]: <https://docs.github.com/en/organizations/managing-access-to-your-organizations-repositories/repository-permission-levels-for-an-organization>

.github/ISSUE_TEMPLATE/rfc-proposal.md

@@ -0,0 +1,51 @@
+---
+name: RFC / Proposal
+about: Submit an RFC / Proposal
+title: ''
+labels: RFC
+assignees: ''
+
+---
+
+## Introduction
+
+This section targets end users, TSC members, maintainers and anyone else that might
+need a quick explanation of your proposed change.
+
+### Problem description
+
+Why do we want this change and what problem are we trying to address?
+
+### Proposed change
+
+A brief summary of the proposed change - the 10,000 ft view on what it will
+change once this change is implemented.
+
+## Detailed RFC
+
+In this section of the document the target audience is the dev team. Upon
+reading this section each engineer should have a rather clear picture of what
+needs to be done in order to implement the described feature.
+
+### Proposed change (Detailed)
+
+This section is freeform - you should describe your change in as much detail
+as possible. Please also ensure to include any context or background info here.
+For example, do we have existing components which can be reused or altered.
+
+By reading this section, each team member should be able to know what exactly
+you're planning to change and how.
+
+### Dependencies
+
+Highlight how the change may affect the rest of the project (new components,
+modifications in other areas), or other teams/projects.
+
+### Concerns and Unresolved Questions
+
+List any concerns, unknowns, and generally unresolved questions etc.
+
+## Alternatives
+
+List any alternatives considered, and the reasons for choosing this option
+over them.

.github/SECURITY.md

@@ -8,12 +8,12 @@ updates:
   - The most recent release, and the release prior to that.
   - Active LTS releases.
 
-At this time, with the latest release of v4.3, the supported
+At this time, with the latest release of v3.0.0, the supported
 versions are:
 
-  - v4.3: Current release
-  - v4.2: Prior release
-  - v3.7: Current LTS
+  - v2.7.0: Current LTS
+  - v2.7.0: Prior release
+  - v3.0.0: Current release
 
 ## Reporting process
 

.github/codeql/codeql-actions-config.yml

@@ -1,2 +0,0 @@
-paths:
-  - .github

.github/codeql/codeql-js-config.yml

@@ -1,2 +0,0 @@
-paths:
-  - doc

.github/dependabot.yml

@@ -1,30 +0,0 @@
-version: 2
-enable-beta-ecosystems: true
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    cooldown:
-      default-days: 7
-    commit-message:
-      prefix: "ci: github: "
-    labels: []
-    groups:
-      actions-deps:
-        patterns:
-          - "*"
-
-  - package-ecosystem: "uv"
-    directory: "/doc"
-    schedule:
-      interval: "weekly"
-    cooldown:
-      default-days: 7
-    commit-message:
-      prefix: "ci: doc: "
-    labels: []
-    groups:
-      doc-deps:
-        patterns:
-          - "*"

.github/labeler.yml

@@ -0,0 +1,171 @@
+"Release Notes":
+  - "doc/releases/**/*"
+"area: Modem":
+  - "drivers/modem/**/*"
+"area: PWM":
+  - "drivers/pwm/**/*"
+"area: Watchdog":
+  - "drivers/watchdog/**/*"
+"area: Sensors":
+  - "drivers/sensors/**/*"
+"area: ADC":
+  - "drivers/adc/**/*"
+"area: Counter":
+  - "drivers/counter/**/*"
+"area: CAN":
+  - "include/drivers/can.h"
+  - "include/canbus/*/**"
+  - "drivers/can/**/*"
+  - "subsys/canbus/*/**"
+"area: EEPROM":
+  - "include/drivers/eeprom.h"
+  - "drivers/eeprom/**/*"
+"area: Timer":
+  - "drivers/timer/**/*"
+"area: I2S":
+  - "drivers/i2s/**/*"
+"area: C Library":
+  - "lib/libc/**/*"
+"area: Devicetree":
+  - "dts/**/*"
+  - "**/*.dts"
+  - "**/*.dtsi"
+  - "include/devicetree.h"
+  - "include/devicetree/*"
+  - "doc/guides/dts/**/*"
+"area: Devicetree Binding":
+  - "include/dt-bindings/**/*"
+  - "dts/bindings/**/*"
+"area: Devicetree Tooling":
+  - "scripts/dts/**/*"
+"area: I2C":
+  - "drivers/i2c/**/*"
+"area: SPI":
+  - "drivers/spi/**/*"
+"area: Boards":
+  - "boards/**/*"
+"area: POSIX":
+  - "lib/posix/**/*"
+"area: native port":
+  - "arch/posix/**/*"
+  - "include/arch/posix/**/*"
+  - "soc/posix/**/*"
+  - "**/*native_posix*"
+"area: X86":
+  - "arch/x86/**/*"
+  - "include/arch/x86/**/*"
+"area: ARM":
+  - "arch/arm/**/*"
+  - "include/arch/arm/**/*"
+"area: ARM64":
+  - "arch/arm64/**/*"
+  - "include/arch/arm64/**/*"
+"area: MIPS":
+  - "arch/mips/**/*"
+  - "include/arch/mips/**/*"
+"area: NIOS2":
+  - "arch/nios2/**/*"
+  - "include/arch/nios2/**/*"
+"area: Xtensa":
+  - "arch/xtensa/**/*"
+  - "include/arch/xtensa/**/*"
+"area: RISCV":
+  - "arch/risv/**/*"
+  - "include/arch/riscv/**/*"
+"area: ARC":
+  - "arch/arc/**/*"
+  - "include/arch/arc/**/*"
+"area: Networking":
+  - "subsys/net/**/*"
+  - "samples/net/**/*"
+  - "tests/net/**/*"
+  - "include/net/**/*"
+  - "include/drivers/ieee802154/**/*"
+  - "drivers/ethernet/**/*"
+  - "drivers/ieee802154/**/*"
+  - "drivers/wifi/**/*"
+  - "drivers/ptp_clock/**/*"
+  - "drivers/net/**/*"
+"area: Logging":
+  - "subsys/logging/**/*"
+"area: Shell":
+  - "subsys/shell/**/*"
+"area: Console":
+  - "subsys/console/**/*"
+"area: Test Framework":
+  - "subsys/testsuite/**/*"
+"area: Settings":
+  - "subsys/settings/**/*"
+"area: File System":
+  - "subsys/fs/**/*"
+"area: Storage":
+  - "subsys/storage/**/*"
+"area: Bluetooth":
+  - "subsys/bluetooth/**/*"
+  - "**/*bluetooth*"
+"area: Bluetooth Mesh":
+  - "subsys/bluetooth/mesh/**/*"
+"area: Bluetooth Audio":
+  - "subsys/bluetooth/audio/**/*"
+"area: Bluetooth Controller":
+  - "subsys/bluetooth/controller/**/*"
+"area: Bluetooth Host":
+  - "subsys/bluetooth/host/**/*"
+  - "subsys/bluetooth/services/**/*"
+"area: API":
+  - "include/**/*"
+"area: Samples":
+  - "samples/**/*"
+"area: Tests":
+  - "tests/**/*"
+"area: Kernel":
+  - "kernel/**/*"
+  - "tests/kernel/**/*"
+"area: Documentation":
+  - "**/*.rst"
+  - "**/*.md"
+"area: Build System":
+  - "cmake/**/*"
+  - "CmakeLists.txt"
+"area: Kconfig":
+  - "scripts/kconfig/**/*"
+  - "Kconfig"
+  - "Kconfig.zephyr"
+"area: Twister":
+  - "scripts/twister"
+  - "scripts/pylib/twister/**/*"
+"area: Modules":
+  - "west.yml"
+  - "modules/**/*"
+"area: Shields":
+  - "boards/shields/**"
+  - "samples/shields/**"
+"area: Power Management":
+  - "subsys/pm/**/*"
+  - "include/pm/**/*"
+  - "tests/subsys/pm/**/*"
+  - "samples/subsys/pm/**/*"
+"platform: NXP":
+  - "boards/arm/frdm*/**"
+  - "boards/arm/hexiwear*/**"
+  - "boards/arm/lpcxpresso*/**"
+  - "boards/arm/*imx*/**"
+  - "drivers/**/*imx*"
+  - "drivers/**/*mcux*"
+  - "dts/arm/nxp/*/*"
+  - "dts/bindings/**/nxp*"
+  - "soc/arm/nxp*/**"
+"platform: STM32":
+  - "boards/arm/nucleo_*/**"
+  - "boards/arm/*stm32*/**"
+  - "drivers/**/*stm32*"
+  - "dts/arm/st/*/*"
+  - "include/drivers/*/*stm32*"
+  - "soc/arm/st_stm32/**"
+"platform: SiLabs":
+  - "boards/arm/efr32_*/**/*"
+  - "boards/arm/efm32_*/**/*"
+  - "drivers/**/*gecko*"
+  - "dts/arm/silabs/**/*"
+  - "dts/bindings/**/silabs,gecko*"
+  - "soc/arm/silabs_exx32/**/*"

.github/workflows/assigner.yml

@@ -1,88 +0,0 @@
-name: Pull Request/Issue Assigner
-
-on:
-  pull_request_target:
-    types:
-    - opened
-    - synchronize
-    - reopened
-    - ready_for_review
-    branches:
-    - main
-    - collab-*
-    - v*-branch
-  issues:
-    types:
-    - labeled
-
-permissions:
-  contents: read
-
-jobs:
-  assignment:
-    name: Pull Request/Issue Assignment
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-24.04
-    permissions:
-      issues: write        # to add assignees to issues
-
-    steps:
-    - name: Check out source code
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      with:
-        fetch-depth: 0
-        persist-credentials: false
-
-    - name: Set up Python
-      uses: zephyrproject-rtos/action-python-env@32e53bef090c33d53aa94f1d9a9d29c93cfdc5f7 # main
-      with:
-        python-version: 3.12
-
-    - name: Fetch west.yml/Maintainer.yml from pull request
-      if: >
-        github.event_name == 'pull_request_target' && github.base_ref == 'main'
-      run: |
-        git fetch origin pull/${{ github.event.pull_request.number }}/merge
-        git show FETCH_HEAD:west.yml > pr_west.yml
-        git show FETCH_HEAD:MAINTAINERS.yml > pr_MAINTAINERS.yml
-
-    - name: west setup
-      if: >
-        github.event_name == 'pull_request_target'
-      run: |
-        git config --global user.email "you@example.com"
-        git config --global user.name "Your Name"
-        west init -l . || true
-
-    - name: Run assignment script
-      env:
-        GITHUB_TOKEN: ${{ secrets.ZB_PR_ASSIGNER_GITHUB_TOKEN }}
-      run: |
-        FLAGS="-v"
-        FLAGS+=" -o ${{ github.event.repository.owner.login }}"
-        FLAGS+=" -r ${{ github.event.repository.name }}"
-        FLAGS+=" -M MAINTAINERS.yml"
-        if [ "${{ github.event_name }}" = "pull_request_target" ]; then
-          if [ "${{ github.base_ref }}" = "main" ]; then
-            FLAGS+=" -P ${{ github.event.pull_request.number }} --updated-manifest pr_west.yml --updated-maintainer-file pr_MAINTAINERS.yml"
-          else
-            FLAGS+=" -P ${{ github.event.pull_request.number }}"
-          fi
-        elif [ "${{ github.event_name }}" = "issues" ]; then
-          FLAGS+=" -I ${{ github.event.issue.number }}"
-        elif [ "${{ github.event_name }}" = "schedule" ]; then
-          FLAGS+=" --modules"
-        else
-          echo "Unknown event: ${{ github.event_name }}"
-          exit 1
-        fi
-        python3 scripts/ci/set_assignees.py $FLAGS
-
-    - name: Check maintainer file changes
-      if: >
-        github.event_name == 'pull_request_target' && github.base_ref == 'main'
-      env:
-        GITHUB_TOKEN: ${{ secrets.ZB_PR_ASSIGNER_GITHUB_TOKEN }}
-      run: |
-        python  ./scripts/ci/check_maintainer_changes.py  \
-          --repo zephyrproject-rtos/zephyr MAINTAINERS.yml pr_MAINTAINERS.yml

.github/workflows/backport.yml

@@ -7,32 +7,13 @@ on:
     branches:
       - main
 
-permissions:
-  contents: read
-
 jobs:
   backport:
+    runs-on: ubuntu-20.04
     name: Backport
-    runs-on: ubuntu-24.04
-    permissions:
-      contents: write       # to create/push backport branches
-      pull-requests: write  # to create backport PRs
-      issues: write         # to add labels to issue created if backport fails
-    # Only react to merged PRs for security reasons.
-    # See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target.
-    if: >
-      github.event.pull_request.merged &&
-      (
-        github.event.action == 'closed' ||
-        (
-          github.event.action == 'labeled' &&
-          contains(github.event.label.name, 'backport')
-        )
-      )
     steps:
       - name: Backport
-        uses: zephyrproject-rtos/action-backport@7e74f601d11eaca577742445e87775b5651a965f # v2.0.3-3
+        uses: zephyrproject-rtos/action-backport@v1.1.1-1
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          issue_labels: Backport
-          labels_template: '["Backport"]'
+          github_token: ${{ secrets.ZB_GITHUB_TOKEN }}
+          issue_labels: backport

.github/workflows/backport_issue_check.yml

@@ -2,49 +2,29 @@ name: Backport Issue Check
 
 on:
   pull_request_target:
-    types:
-      - edited
-      - opened
-      - reopened
-      - synchronize
     branches:
       - v*-branch
 
-permissions:
-  contents: read
-
 jobs:
   backport:
     name: Backport Issue Check
-    concurrency:
-      group: backport-issue-check-${{ github.ref }}
-      cancel-in-progress: true
-    runs-on: ubuntu-24.04
-    if: github.repository == 'zephyrproject-rtos/zephyr'
-    permissions:
-      issues: read # to check if associated issue exists for backport
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Check out source code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@v3
 
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
+      - name: Install Python dependencies
         run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
+          sudo pip3 install -U setuptools wheel pip
+          pip3 install -U pygithub
 
       - name: Run backport issue checker
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.ZB_GITHUB_TOKEN }}
         run: |
           ./scripts/release/list_backports.py \
-          -o ${{ github.event.repository.owner.login }} \
-          -r ${{ github.event.repository.name }} \
-          -b ${{ github.event.pull_request.base.ref }} \
-          -p ${{ github.event.pull_request.number }}
+            -o ${{ github.event.repository.owner.login }} \
+            -r ${{ github.event.repository.name }} \
+            -b ${{ github.event.pull_request.base.ref }} \
+            -p ${{ github.event.pull_request.number }}

.github/workflows/bluetooth-tests-publish.yaml

@@ -0,0 +1,29 @@
+name: Publish Bluetooth Tests Results
+
+on:
+  workflow_run:
+    workflows: ["Bluetooth Tests"]
+    types:
+      - completed
+jobs:
+  bluetooth-test-results:
+    name: "Publish Bluetooth Test Results"
+    runs-on: ubuntu-20.04
+    if: github.event.workflow_run.conclusion != 'skipped'
+
+    steps:
+      - name: Download artifacts
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: bluetooth-tests.yaml
+          run_id: ${{ github.event.workflow_run.id }}
+
+      - name: Publish Bluetooth Test Results
+        uses: EnricoMi/publish-unit-test-result-action@v1
+        with:
+          check_name: Bluetooth Test Results
+          comment_mode: off
+          commit: ${{ github.event.workflow_run.head_sha }}
+          event_file: event/event.json
+          event_name: ${{ github.event.workflow_run.event }}
+          files: "bluetooth-test-results/**/bsim_results.xml"

.github/workflows/bluetooth-tests.yaml

@@ -0,0 +1,67 @@
+name: Bluetooth Tests
+
+on:
+  pull_request:
+    paths:
+      - "west.yml"
+      - "subsys/bluetooth/**"
+      - "tests/bluetooth/bsim_bt/**"
+      - "boards/posix/**"
+      - "soc/posix/**"
+      - "arch/posix/**"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  bluetooth-test:
+    runs-on: ubuntu-20.04
+    container:
+      image: zephyrprojectrtos/ci:v0.21.0
+      options: '--entrypoint /bin/bash'
+    env:
+      ZEPHYR_TOOLCHAIN_VARIANT: zephyr
+      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2
+      CLANG_ROOT_DIR: /usr/lib/llvm-12
+      BSIM_OUT_PATH: /opt/bsim/
+      BSIM_COMPONENTS_PATH: /opt/bsim/components
+      EDTT_PATH: ../tools/edtt
+      bsim_bt_test_results_file: ./bsim_bt_out/bsim_results.xml
+    steps:
+      - name: Update PATH for west
+        run: |
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - name: west setup
+        run: |
+          west init -l . || true
+          west config --global update.narrow true
+          west update 2>&1 1> west.update.log || west update 2>&1 1> west.update2.log
+
+      - name: Run Bluetooth Tests with BSIM
+        run: |
+          export ZEPHYR_BASE=${PWD}
+          WORK_DIR=${ZEPHYR_BASE}/bsim_bt_out tests/bluetooth/bsim_bt/compile.sh
+          RESULTS_FILE=${ZEPHYR_BASE}/${bsim_bt_test_results_file} \
+          SEARCH_PATH=tests/bluetooth/bsim_bt/ tests/bluetooth/bsim_bt/run_parallel.sh
+
+      - name: Upload Test Results
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: bluetooth-test-results
+          path: |
+            ./bsim_bt_out/bsim_results.xml
+            ${{ github.event_path }}
+
+      - name: Upload Event Details
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: event
+          path: |
+            ${{ github.event_path }}

.github/workflows/bsim-tests-publish.yaml

@@ -1,34 +0,0 @@
-name: Publish BabbleSim Tests Results
-
-on:
-  workflow_run:
-    workflows: ["BabbleSim Tests"]
-    types:
-      - completed
-
-permissions:
-  contents: read
-
-jobs:
-  bsim-test-results:
-    name: "Publish BabbleSim Test Results"
-    runs-on: ubuntu-24.04
-    if: github.event.workflow_run.conclusion != 'skipped'
-    permissions:
-      checks: write # to create the check run entry with test results
-
-    steps:
-      - name: Download artifacts
-        uses: dawidd6/action-download-artifact@0bd50d53a6d7fb5cb921e607957e9cc12b4ce392 # v12
-        with:
-          run_id: ${{ github.event.workflow_run.id }}
-
-      - name: Publish BabbleSim Test Results
-        uses: EnricoMi/publish-unit-test-result-action@27d65e188ec43221b20d26de30f4892fad91df2f # v2.22.0
-        with:
-          check_name: BabbleSim Test Results
-          comment_mode: off
-          commit: ${{ github.event.workflow_run.head_sha }}
-          event_file: event/event.json
-          event_name: ${{ github.event.workflow_run.event }}
-          files: "bsim-test-results/**/bsim_results.xml"

.github/workflows/bsim-tests.yaml

@@ -1,212 +0,0 @@
-name: BabbleSim Tests
-
-on:
-  pull_request:
-    paths:
-      - ".github/workflows/bsim-tests.yaml"
-      - ".github/workflows/bsim-tests-publish.yaml"
-      - "west.yml"
-      - "subsys/bluetooth/**"
-      - "tests/bsim/**"
-      - "boards/nordic/nrf5*/*dt*"
-      - "dts/*/nordic/**"
-      - "tests/bluetooth/**"
-      - "samples/bluetooth/**"
-      - "boards/native/**"
-      - "soc/native/**"
-      - "arch/posix/**"
-      - "include/zephyr/arch/posix/**"
-      - "scripts/native_simulator/**"
-      - "samples/net/sockets/echo_*/**"
-      - "modules/hal_nordic/**"
-      - "modules/mbedtls/**"
-      - "modules/openthread/**"
-      - "subsys/net/l2/openthread/**"
-      - "include/zephyr/net/openthread.h"
-      - "drivers/ieee802154/**"
-      - "include/zephyr/net/ieee802154*"
-      - "drivers/serial/*nrfx*"
-      - "tests/drivers/uart/**"
-      - '!**.rst'
-
-permissions:
-  contents: read
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  bsim-test:
-    if: github.repository_owner == 'zephyrproject-rtos'
-    runs-on:
-      group: zephyr-runner-v2-linux-x64-4xlarge
-    container:
-      image: ghcr.io/zephyrproject-rtos/ci-repo-cache:v0.28.7.20251127
-      options: '--entrypoint /bin/bash'
-    env:
-      ZEPHYR_TOOLCHAIN_VARIANT: zephyr
-      BSIM_OUT_PATH: /opt/bsim/
-      BSIM_COMPONENTS_PATH: /opt/bsim/components
-      EDTT_PATH: ../tools/edtt
-    permissions:
-      checks: write # to create the check run entry with test results
-
-    steps:
-      - name: Apply container owner mismatch workaround
-        run: |
-          # FIXME: The owner UID of the GITHUB_WORKSPACE directory may not
-          #        match the container user UID because of the way GitHub
-          #        Actions runner is implemented. Remove this workaround when
-          #        GitHub comes up with a fundamental fix for this problem.
-          git config --global --add safe.directory ${GITHUB_WORKSPACE}
-
-      - name: Print cloud service information
-        run: |
-          echo "ZEPHYR_RUNNER_CLOUD_PROVIDER = ${ZEPHYR_RUNNER_CLOUD_PROVIDER}"
-          echo "ZEPHYR_RUNNER_CLOUD_NODE = ${ZEPHYR_RUNNER_CLOUD_NODE}"
-          echo "ZEPHYR_RUNNER_CLOUD_POD = ${ZEPHYR_RUNNER_CLOUD_POD}"
-
-      - name: Clone cached Zephyr repository
-        continue-on-error: true
-        run: |
-          git clone --shared /repo-cache/zephyrproject/zephyr .
-          git remote set-url origin ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
-
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          fetch-depth: 0
-
-      - name: Environment Setup
-        env:
-          BASE_REF: ${{ github.base_ref }}
-        run: |
-          git config --global user.email "bot@zephyrproject.org"
-          git config --global user.name "Zephyr Bot"
-          rm -fr ".git/rebase-apply"
-          rm -fr ".git/rebase-merge"
-          git rebase origin/${BASE_REF}
-          git clean -f -d
-          git log  --pretty=oneline | head -n 10
-          west init -l . || true
-          west config manifest.group-filter -- +ci
-          west config --global update.narrow true
-          west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.update.log || west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.update.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /repo-cache/zephyrproject)
-          west forall -c 'git reset --hard HEAD'
-
-          echo "ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-$( cat SDK_VERSION )" >> $GITHUB_ENV
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
-      - name: Check common triggering files
-        uses: tj-actions/changed-files@e0021407031f5be11a464abee9a0776171c79891 # v47.0.1
-        id: check-common-files
-        with:
-          files: |
-            .github/workflows/bsim-tests.yaml
-            .github/workflows/bsim-tests-publish.yaml
-            west.yml
-            boards/native/
-            soc/native/
-            arch/posix/
-            include/zephyr/arch/posix/
-            scripts/native_simulator/
-            tests/bsim/*
-            boards/nordic/nrf5*/*dt*
-            dts/*/nordic/
-            modules/mbedtls/**
-            modules/hal_nordic/**
-
-      - name: Check if Bluethooth files changed
-        uses: tj-actions/changed-files@e0021407031f5be11a464abee9a0776171c79891 # v47.0.1
-        id: check-bluetooth-files
-        with:
-          files: |
-            samples/bluetooth/
-            subsys/bluetooth/
-            tests/bluetooth/
-            tests/bsim/bluetooth/
-
-      - name: Check if Networking files changed
-        uses: tj-actions/changed-files@e0021407031f5be11a464abee9a0776171c79891 # v47.0.1
-        id: check-networking-files
-        with:
-          files: |
-            tests/bsim/net/
-            samples/net/sockets/echo_*/
-            modules/openthread/
-            subsys/net/l2/openthread/
-            include/zephyr/net/openthread.h
-            drivers/ieee802154/
-            include/zephyr/net/ieee802154*
-
-      - name: Check if UART files changed
-        uses: tj-actions/changed-files@e0021407031f5be11a464abee9a0776171c79891 # v47.0.1
-        id: check-uart-files
-        with:
-          files: |
-            tests/bsim/drivers/uart/
-            drivers/serial/*nrfx*
-            tests/drivers/uart/
-
-      - name: Update BabbleSim to manifest revision
-        if: >
-          steps.check-bluetooth-files.outputs.any_modified == 'true'
-          || steps.check-networking-files.outputs.any_modified == 'true'
-          || steps.check-uart-files.outputs.any_modified == 'true'
-          || steps.check-common-files.outputs.any_modified == 'true'
-        run: |
-          export BSIM_VERSION=$( west list bsim -f {revision} )
-          echo "Manifest points to bsim sha $BSIM_VERSION"
-          cd /opt/bsim_west/bsim
-          git fetch -n origin ${BSIM_VERSION}
-          git -c advice.detachedHead=false checkout ${BSIM_VERSION}
-          west update
-          make everything -s -j 8
-
-      - name: Run Bluetooth Tests with BSIM
-        if: steps.check-bluetooth-files.outputs.any_modified == 'true' || steps.check-common-files.outputs.any_modified == 'true'
-        run: |
-          tests/bsim/ci.bt.sh
-
-      - name: Run Networking Tests with BSIM
-        if: steps.check-networking-files.outputs.any_modified == 'true' || steps.check-common-files.outputs.any_modified == 'true'
-        run: |
-          tests/bsim/ci.net.sh
-
-      - name: Run UART Tests with BSIM
-        if: steps.check-uart-files.outputs.any_modified == 'true' || steps.check-common-files.outputs.any_modified == 'true'
-        run: |
-          tests/bsim/ci.uart.sh
-
-      - name: Merge Test Results
-        run: |
-          junitparser merge --glob "./bsim_*/*bsim_results.*.xml" "./twister-out/twister.xml" junit.xml
-          junit2html junit.xml junit.html
-
-      - name: Upload Unit Test Results in HTML
-        if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: HTML Unit Test Results
-          if-no-files-found: ignore
-          path: |
-            junit.html
-
-      - name: Publish Unit Test Results
-        uses: EnricoMi/publish-unit-test-result-action@27d65e188ec43221b20d26de30f4892fad91df2f # v2.22.0
-        with:
-          check_name: Bsim Test Results
-          files: "junit.xml"
-          comment_mode: off
-
-      - name: Upload Event Details
-        if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: event
-          path: |
-            ${{ github.event_path }}

.github/workflows/bug_snapshot.yaml

@@ -1,76 +0,0 @@
-# Copyright (c) 2021, 2022 Nordic Semiconductor ASA
-# SPDX-License-Identifier: Apache-2.0
-
-# Make a snapshot of open bugs as a python pickle file, compressed
-# using xz. Upload the xz file to Amazon S3.
-
-name: Bug Snapshot
-
-on:
-  workflow_dispatch:
-  schedule:
-  # Run daily at 00:05
-  - cron: '5 00 * * *'
-
-permissions:
-  contents: read
-
-jobs:
-  make_bugs_pickle:
-    name: Make bugs pickle
-    runs-on: ubuntu-24.04
-    if: github.repository_owner == 'zephyrproject-rtos' && github.ref == 'refs/heads/main'
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
-    - name: Set up Python
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-      with:
-        python-version: 3.12
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Install Python packages
-      run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-
-
-    - name: Snapshot bugs
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: |
-        BUGS_PICKLE_FILENAME="zephyr-bugs-$(date -I).pickle.xz"
-        BUGS_PICKLE_PATH="${RUNNER_TEMP}/${BUGS_PICKLE_FILENAME}"
-
-        set -euo pipefail
-        python3 scripts/make_bugs_pickle.py | xz > ${BUGS_PICKLE_PATH}
-
-        echo "BUGS_PICKLE_FILENAME=${BUGS_PICKLE_FILENAME}" >> ${GITHUB_ENV}
-        echo "BUGS_PICKLE_PATH=${BUGS_PICKLE_PATH}" >> ${GITHUB_ENV}
-
-    - name: Configure AWS Credentials
-      uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5.1.1
-      with:
-        aws-access-key-id: ${{ vars.AWS_BUILDS_ZEPHYR_BUG_SNAPSHOT_ACCESS_KEY_ID }}
-        aws-secret-access-key: ${{ secrets.AWS_BUILDS_ZEPHYR_BUG_SNAPSHOT_SECRET_ACCESS_KEY }}
-        aws-region: us-east-1
-
-    - name: Upload to AWS S3
-      run: |
-        REPOSITORY_NAME="${GITHUB_REPOSITORY#*/}"
-
-        PUBLISH_BUCKET="builds.zephyrproject.org"
-        PUBLISH_DOMAIN="builds.zephyrproject.io"
-        if [ "${{github.event_name}}" = "schedule" ]; then
-          PUBLISH_ROOT="${REPOSITORY_NAME}/bug-snapshot/daily"
-        else
-          PUBLISH_ROOT="${REPOSITORY_NAME}/bug-snapshot"
-        fi
-
-        PUBLISH_UPLOAD_URI="s3://${PUBLISH_BUCKET}/${PUBLISH_ROOT}/${BUGS_PICKLE_FILENAME}"
-        PUBLISH_DOWNLOAD_URI="https://${PUBLISH_DOMAIN}/${PUBLISH_ROOT}/${BUGS_PICKLE_FILENAME}"
-
-        aws s3 cp --quiet ${BUGS_PICKLE_PATH} ${PUBLISH_UPLOAD_URI}
-        echo "Bug pickle is available at: ${PUBLISH_DOWNLOAD_URI}" >> ${GITHUB_STEP_SUMMARY}

.github/workflows/clang.yaml

@@ -1,12 +1,6 @@
 name: Build with Clang/LLVM
-on:
-  push:
-    branches:
-      - main
-      - v*-branch
-      - collab-*
-permissions:
-  contents: read
+
+on: pull_request_target
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
@@ -14,98 +8,85 @@ concurrency:
 
 jobs:
   clang-build:
-    if: github.repository_owner == 'zephyrproject-rtos'
-    runs-on:
-      group: zephyr-runner-v2-linux-x64-4xlarge
+    runs-on: zephyr-runner-linux-x64-4xlarge
     container:
-      image: ghcr.io/zephyrproject-rtos/ci-repo-cache:v0.28.7.20251127
+      image: zephyrprojectrtos/ci:v0.21.0
       options: '--entrypoint /bin/bash'
+      volumes:
+        - /repo-cache/zephyrproject:/github/cache/zephyrproject
     strategy:
       fail-fast: false
       matrix:
-        subset: [1, 2]
+        platform: ["native_posix"]
     env:
-      CCACHE_DIR: /node-cache/ccache-zephyr
-      CCACHE_REMOTE_STORAGE: "redis://cache-*.keydb-cache.svc.cluster.local|shards=1,2,3"
-      CCACHE_REMOTE_ONLY: "true"
-      CCACHE_IGNOREOPTIONS: '-specs=* --specs=*'
-      LLVM_TOOLCHAIN_PATH: /usr/lib/llvm-20
+      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2
+      CLANG_ROOT_DIR: /usr/lib/llvm-12
+      COMMIT_RANGE: ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }}
       BASE_REF: ${{ github.base_ref }}
+    outputs:
+      report_needed: ${{ steps.twister.outputs.report_needed }}
     steps:
-      - name: Apply container owner mismatch workaround
-        run: |
-          # FIXME: The owner UID of the GITHUB_WORKSPACE directory may not
-          #        match the container user UID because of the way GitHub
-          #        Actions runner is implemented. Remove this workaround when
-          #        GitHub comes up with a fundamental fix for this problem.
-          git config --global --add safe.directory ${GITHUB_WORKSPACE}
-
-      - name: Print cloud service information
-        run: |
-          echo "ZEPHYR_RUNNER_CLOUD_PROVIDER = ${ZEPHYR_RUNNER_CLOUD_PROVIDER}"
-          echo "ZEPHYR_RUNNER_CLOUD_NODE = ${ZEPHYR_RUNNER_CLOUD_NODE}"
-          echo "ZEPHYR_RUNNER_CLOUD_POD = ${ZEPHYR_RUNNER_CLOUD_POD}"
-
       - name: Clone cached Zephyr repository
         continue-on-error: true
         run: |
-          git clone --shared /repo-cache/zephyrproject/zephyr .
+          git clone --shared /github/cache/zephyrproject/zephyr .
           git remote set-url origin ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@v3
         with:
+          ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
           persist-credentials: false
 
       - name: Environment Setup
         run: |
+          pip3 install GitPython
           echo "$HOME/.local/bin" >> $GITHUB_PATH
           git config --global user.email "bot@zephyrproject.org"
           git config --global user.name "Zephyr Bot"
           rm -fr ".git/rebase-apply"
-          rm -fr ".git/rebase-merge"
-          git clean -f -d
+          git rebase origin/${BASE_REF}
           git log  --pretty=oneline | head -n 10
           west init -l . || true
           west config --global update.narrow true
-          west config manifest.group-filter -- +ci,+optional
           # In some cases modules are left in a state where they can't be
           # updated (i.e. when we cancel a job and the builder is killed),
           # So first retry to update, if that does not work, remove all modules
           # and start over. (Workaround until we implement more robust module
           # west caching).
-          west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.log || west update --path-cache /repo-cache/zephyrproject 2>&1 1> west2.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /repo-cache/zephyrproject)
-
-          echo "ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-$( cat SDK_VERSION )" >> $GITHUB_ENV
+          west update --path-cache /github/cache/zephyrproject 2>&1 1> west.log || west update --path-cache /github/cache/zephyrproject 2>&1 1> west2.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /github/cache/zephyrproject)
 
       - name: Check Environment
         run: |
           cmake --version
-          ${LLVM_TOOLCHAIN_PATH}/bin/clang --version
+          ${CLANG_ROOT_DIR}/bin/clang --version
           gcc --version
           ls -la
 
-      - name: Install Python packages
+      - name: Prepare ccache timestamp/data
+        id: ccache_cache_timestamp
+        shell: cmake -P {0}
         run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
+          string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
+          string(REPLACE "/" "_" repo ${{github.repository}})
+          string(REPLACE "-" "_" repo2 ${repo})
+          file(APPEND $ENV{GITHUB_OUTPUT} "repo=${repo2}\n")
+      - name: use cache
+        id: cache-ccache
+        uses: nashif/action-s3-cache@master
+        with:
+          key: ${{ steps.ccache_cache_timestamp.outputs.repo }}-${{ github.ref_name }}-clang-${{ matrix.platform }}-ccache
+          path: /github/home/.ccache
+          aws-s3-bucket: ccache.zephyrproject.org
+          aws-access-key-id: ${{ secrets.CCACHE_S3_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.CCACHE_S3_SECRET_ACCESS_KEY }}
+          aws-region: us-east-2
 
-      - name: Set up ccache
+      - name: ccache stats initial
         run: |
-          mkdir -p ${CCACHE_DIR}
-          ccache -M 10G
-          ccache -p
-          ccache -z -s -vv
-
-      - name: Update BabbleSim to manifest revision
-        run: |
-          export BSIM_VERSION=$( west list bsim -f {revision} )
-          echo "Manifest points to bsim sha $BSIM_VERSION"
-          cd /opt/bsim_west/bsim
-          git fetch -n origin ${BSIM_VERSION}
-          git -c advice.detachedHead=false checkout ${BSIM_VERSION}
-          west update
-          make everything -s -j 8
+          test -d github/home/.ccache && rm -rf /github/home/.ccache && mv github/home/.ccache /github/home/.ccache
+          ccache -M 10G -s
 
       - name: Run Tests with Twister
         id: twister
@@ -113,62 +94,49 @@ jobs:
           export ZEPHYR_BASE=${PWD}
           export ZEPHYR_TOOLCHAIN_VARIANT=llvm
 
-          ./scripts/twister -p native_sim --force-color --inline-logs -M -N -v --retry-failed 2 \
-            -T tests --subset ${{matrix.subset}}/2 -j 16
+          # check if we need to run a full twister or not based on files changed
+          python3 ./scripts/ci/test_plan.py --platform ${{ matrix.platform }} -c origin/${BASE_REF}..
 
-      - name: Print ccache stats
-        if: always()
+          # We can limit scope to just what has changed
+          if [ -s testplan.csv ]; then
+            echo "report_needed=1" >> $GITHUB_OUTPUT
+            # Full twister but with options based on changes
+            ./scripts/twister --inline-logs -M -N -v --load-tests testplan.csv --retry-failed 2
+          else
+            # if nothing is run, skip reporting step
+            echo "report_needed=0" >> $GITHUB_OUTPUT
+          fi
+
+      - name: ccache stats post
         run: |
-          ccache -s -vv
+          ccache -s
 
       - name: Upload Unit Test Results
-        if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        if: always() && steps.twister.outputs.report_needed != 0
+        uses: actions/upload-artifact@v3
         with:
-          name: Unit Test Results (Subset ${{ matrix.subset }})
-          path: |
-            twister-out/twister.xml
-            twister-out/twister.json
-          if-no-files-found: ignore
+          name: Unit Test Results (Subset ${{ matrix.platform }})
+          path: twister-out/twister.xml
 
   clang-build-results:
     name: "Publish Unit Tests Results"
     needs: clang-build
-    runs-on: ubuntu-24.04
-    permissions:
-      checks: write # to create GitHub annotations
-    if: (success() || failure())
+    runs-on: ubuntu-20.04
+    if: (success() || failure() ) && needs.clang-build.outputs.report_needed != 0
     steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          fetch-depth: 0
-          persist-credentials: false
-
       - name: Download Artifacts
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@v2
         with:
           path: artifacts
-
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
       - name: Merge Test Results
         run: |
-          junitparser merge --glob 'artifacts/*/twister.xml' 'artifacts/*/*/twister.xml' junit.xml
+          pip3 install junitparser junit2html
+          junitparser merge artifacts/*/twister.xml junit.xml
           junit2html junit.xml junit-clang.html
 
       - name: Upload Unit Test Results in HTML
         if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@v3
         with:
           name: HTML Unit Test Results
           if-no-files-found: ignore
@@ -176,9 +144,10 @@ jobs:
             junit-clang.html
 
       - name: Publish Unit Test Results
-        uses: EnricoMi/publish-unit-test-result-action@27d65e188ec43221b20d26de30f4892fad91df2f # v2.22.0
+        uses: EnricoMi/publish-unit-test-result-action@v1
         if: always()
         with:
           check_name: Unit Test Results
+          github_token: ${{ secrets.GITHUB_TOKEN }}
           files: "**/twister.xml"
           comment_mode: off

.github/workflows/codecov.yaml

@@ -1,14 +1,8 @@
 name: Code Coverage with codecov
 
 on:
-  push:
-    branches:
-      - main
-      - v*-branch
-      - collab-*
-
-permissions:
-  contents: read
+  schedule:
+    - cron: '25 */3 * * 1-5'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
@@ -16,46 +10,20 @@ concurrency:
 
 jobs:
   codecov:
-    if: github.repository_owner == 'zephyrproject-rtos'
-    runs-on:
-      group: zephyr-runner-v2-linux-x64-4xlarge
+    runs-on: zephyr-runner-linux-x64-4xlarge
     container:
-      image: ghcr.io/zephyrproject-rtos/ci-repo-cache:v0.28.7.20251127
+      image: zephyrprojectrtos/ci:v0.21.0
       options: '--entrypoint /bin/bash'
+      volumes:
+        - /repo-cache/zephyrproject:/github/cache/zephyrproject
     strategy:
       fail-fast: false
       matrix:
-        platform: ["mps2/an385", "native_sim", "qemu_x86", "unit_testing"]
-        include:
-          - platform: 'mps2/an385'
-            normalized: 'mps2_an385'
-          - platform: 'native_sim'
-            normalized: 'native_sim'
-          - platform: 'qemu_x86'
-            normalized: 'qemu_x86'
-          - platform: 'unit_testing'
-            normalized: 'unit_testing'
+        platform: ["native_posix", "qemu_x86", "unit_testing"]
     env:
-      CCACHE_DIR: /node-cache/ccache-zephyr
-      CCACHE_REMOTE_STORAGE: "redis://cache-*.keydb-cache.svc.cluster.local|shards=1,2,3"
-      CCACHE_REMOTE_ONLY: "true"
-      # `--specs` is ignored because ccache is unable to resovle the toolchain specs file path.
-      CCACHE_IGNOREOPTIONS: '-specs=* --specs=*'
+      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2
+      CLANG_ROOT_DIR: /usr/lib/llvm-12
     steps:
-      - name: Apply container owner mismatch workaround
-        run: |
-          # FIXME: The owner UID of the GITHUB_WORKSPACE directory may not
-          #        match the container user UID because of the way GitHub
-          #        Actions runner is implemented. Remove this workaround when
-          #        GitHub comes up with a fundamental fix for this problem.
-          git config --global --add safe.directory ${GITHUB_WORKSPACE}
-
-      - name: Print cloud service information
-        run: |
-          echo "ZEPHYR_RUNNER_CLOUD_PROVIDER = ${ZEPHYR_RUNNER_CLOUD_PROVIDER}"
-          echo "ZEPHYR_RUNNER_CLOUD_NODE = ${ZEPHYR_RUNNER_CLOUD_NODE}"
-          echo "ZEPHYR_RUNNER_CLOUD_POD = ${ZEPHYR_RUNNER_CLOUD_POD}"
-
       - name: Update PATH for west
         run: |
           echo "$HOME/.local/bin" >> $GITHUB_PATH
@@ -63,44 +31,48 @@ jobs:
       - name: Clone cached Zephyr repository
         continue-on-error: true
         run: |
-          git clone --shared /repo-cache/zephyrproject/zephyr .
+          git clone --shared /github/cache/zephyrproject/zephyr .
           git remote set-url origin ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
 
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
       - name: west setup
         run: |
           west init -l . || true
           west update 1> west.update.log || west update 1> west.update-2.log
 
-      - name: Environment Setup
+      - name: Check Environment
         run: |
           cmake --version
+          ${CLANG_ROOT_DIR}/bin/clang --version
           gcc --version
           ls -la
-
-          echo "ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-$( cat SDK_VERSION )" >> $GITHUB_ENV
-
-      - name: Set up ccache
+      - name: Prepare ccache keys
+        id: ccache_cache_prop
+        shell: cmake -P {0}
         run: |
-          mkdir -p ${CCACHE_DIR}
-          ccache -M 10G
-          ccache -p
-          ccache -z -s -vv
+          string(REPLACE "/" "_" repo ${{github.repository}})
+          string(REPLACE "-" "_" repo2 ${repo})
+          file(APPEND $ENV{GITHUB_OUTPUT} "repo=${repo2}\n")
+
+      - name: use cache
+        id: cache-ccache
+        uses: nashif/action-s3-cache@master
+        with:
+          key: ${{ steps.ccache_cache_prop.outputs.repo }}-${{github.event_name}}-${{matrix.platform}}-codecov-ccache
+          path: /github/home/.ccache
+          aws-s3-bucket: ccache.zephyrproject.org
+          aws-access-key-id: ${{ secrets.CCACHE_S3_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.CCACHE_S3_SECRET_ACCESS_KEY }}
+          aws-region: us-east-2
+
+      - name: ccache stats initial
+        run: |
+          test -d github/home/.ccache && mv github/home/.ccache /github/home/.ccache
+          ccache -M 10G -s
 
       - name: Run Tests with Twister (Push)
         continue-on-error: true
@@ -108,91 +80,54 @@ jobs:
           export ZEPHYR_BASE=${PWD}
           export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
           mkdir -p coverage/reports
-          ./scripts/twister --save-tests ${{matrix.normalized}}-testplan.json
-          ls -la
-          ./scripts/twister \
-            -i --force-color -N -v --filter runnable -p ${{ matrix.platform }} --coverage \
-            -T tests --coverage-tool gcovr -xCONFIG_TEST_EXTRA_STACK_SIZE=4096 -e nano \
-            --timeout-multiplier 2
+          ./scripts/twister -N -v --filter runnable -p ${{ matrix.platform }} --coverage -T tests
 
-      - name: Build Doxygen Coverage
-        if: matrix.platform == 'unit_testing'
+      - name: Generate Coverage Report
         run: |
-          pip install -r doc/requirements.txt --require-hashes
-          sudo apt-get update
-          sudo apt-get install -y graphviz # dot is needed but currently missing from the Docker image
-          cmake -B doc/_build -S doc
-          cmake --build doc/_build --target doxygen-coverage
+          mv twister-out/coverage.info lcov.pre.info
+          lcov -q --remove lcov.pre.info mylib.c --remove lcov.pre.info tests/\* \
+            --remove lcov.pre.info samples/\* --remove lcov.pre.info ext/\* \
+            --remove lcov.pre.info *generated*  \
+            -o coverage/reports/${{ matrix.platform }}.info --rc lcov_branch_coverage=1
 
-      - name: Upload Doxygen Coverage Results
-        if: matrix.platform == 'unit_testing'
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: doxygen-coverage-results
-          path: |
-            doc/_build/new.info
-            doc/_build/coverage-report
-
-      - name: Print ccache stats
-        if: always()
+      - name: ccache stats post
         run: |
-          ccache -s -vv
-
-      - name: Rename coverage files
-        if: always()
-        run: |
-          mv twister-out/coverage.json coverage/reports/${{matrix.normalized}}.json
+          ccache -s
 
       - name: Upload Coverage Results
         if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@v3
         with:
-          name: Coverage Data (Subset ${{ matrix.normalized }})
-          path: |
-            coverage/reports/${{ matrix.normalized }}.json
-            ${{ matrix.normalized }}-testplan.json
+          name: Coverage Data (Subset ${{ matrix.platform }})
+          path: coverage/reports/${{ matrix.platform }}.info
 
   codecov-results:
     name: "Publish Coverage Results"
     needs: codecov
-    runs-on: ubuntu-24.04
-    # the codecov job might be skipped, we don't need to run this job then
+    runs-on: ubuntu-latest
+      # the codecov job might be skipped, we don't need to run this job then
     if: success() || failure()
 
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
-
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
       - name: Download Artifacts
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@v2
         with:
           path: coverage/reports
 
       - name: Move coverage files
         run: |
-          ls -lRt  ./coverage/reports
-          mv ./coverage/reports/*/*testplan.json .
-          mv ./coverage/reports/*/coverage/reports/*.json ./coverage/reports
+          mv ./coverage/reports/*/*.info ./coverage/reports
           ls -la ./coverage/reports
 
       - name: Generate list of coverage files
         id: get-coverage-files
         shell: cmake -P {0}
         run: |
-          file(GLOB INPUT_FILES_LIST  "coverage/reports/*.json")
+          file(GLOB INPUT_FILES_LIST  "coverage/reports/*.info")
           set(MERGELIST "")
           set(FILELIST "")
           foreach(ITEM ${INPUT_FILES_LIST})
@@ -206,7 +141,7 @@ jobs:
           foreach(ITEM ${INPUT_FILES_LIST})
             get_filename_component(f ${ITEM} NAME)
             if(MERGELIST STREQUAL "")
-              set(MERGELIST "--add-tracefile ${f}")
+              set(MERGELIST "-a ${f}")
             else()
               set(MERGELIST "${MERGELIST} -a ${f}")
             endif()
@@ -216,60 +151,17 @@ jobs:
 
       - name: Merge coverage files
         run: |
-          pushd ./coverage/reports
-          gcovr ${{ steps.get-coverage-files.outputs.mergefiles }}  --merge-mode-functions=separate --json merged.json
-          gcovr ${{ steps.get-coverage-files.outputs.mergefiles }} --merge-mode-functions=separate --cobertura merged.xml
-          popd
+          sudo apt-get update
+          sudo apt-get install -y lcov
+          cd ./coverage/reports
+          lcov ${{ steps.get-coverage-files.outputs.mergefiles }} -o merged.info --rc lcov_branch_coverage=1
 
-      - name: Get current date
-        id: run_date
-        run: |
-            echo "run_date=$(date --iso-8601=minutes)" >> "$GITHUB_OUTPUT"
-            echo "run_date_short=$(date +'%Y-%m-%d')" >> "$GITHUB_OUTPUT"
-            echo "run_date_year=$(date +'%Y')" >> "$GITHUB_OUTPUT"
-            echo "run_date_month=$(date +'%m')" >> "$GITHUB_OUTPUT"
-
-      - name: Generate Coverage Report
+      - name: Upload coverage to Codecov
         if: always()
-        run: |
-          python3 ./scripts/ci/coverage/coverage_analysis.py \
-            -t native_sim-testplan.json \
-            -m MAINTAINERS.yml \
-            -c coverage/reports/merged.json \
-            -o coverage-report-${{ steps.run_date.outputs.run_date_short }} \
-            -f all
-          cp coverage-report-* coverage/reports/
-
-      - name: Upload Merged Coverage Results and Report
-        if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: Coverage Data and report
-          path: |
-            coverage/reports/merged.json
-            coverage/reports/merged.xml
-            coverage/reports/coverage-report-${{ steps.run_date.outputs.run_date_short }}.json
-            coverage/reports/coverage-report-${{ steps.run_date.outputs.run_date_short }}.xlsx
-
-      - name: Upload test coverage to Codecov
-        if: always()
-        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
+        uses: codecov/codecov-action@v2
         with:
+          directory: ./coverage/reports
           env_vars: OS,PYTHON
           fail_ci_if_error: false
           verbose: true
-          token: ${{ secrets.CODECOV_TOKEN }}
-          files: coverage/reports/merged.xml
-          flags: unittests-coverage
-
-      - name: Upload Doxygen coverage to Codecov
-        if: always()
-        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
-        with:
-          env_vars: OS,PYTHON
-          fail_ci_if_error: false
-          verbose: true
-          token: ${{ secrets.CODECOV_TOKEN }}
-          files: coverage/reports/doxygen-coverage-results/new.info
-          disable_search: true
-          flags: doxygen-coverage
+          files: merged.info

.github/workflows/codeql.yml

@@ -1,58 +0,0 @@
-name: "CodeQL"
-
-on:
-  push:
-    branches:
-      - main
-      - v*-branch
-      - collab-*
-  schedule:
-    - cron: '34 16 * * 6'
-  pull_request:
-    branches:
-      - main
-      - v*-branch
-      - collab-*
-
-permissions:
-  contents: read
-jobs:
-  analyze:
-    name: Analyze (${{ matrix.language }})
-    runs-on: ubuntu-24.04
-    permissions:
-      security-events: write
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - language: python
-            build-mode: none
-          - language: actions
-            build-mode: none
-            config: ./.github/codeql/codeql-actions-config.yml
-          - language: javascript-typescript
-            build-mode: none
-            config: ./.github/codeql/codeql-js-config.yml
-    steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@cdefb33c0f6224e58673d9004f47f7cb3e328b89 # v4.31.10
-        with:
-          languages: ${{ matrix.language }}
-          build-mode: ${{ matrix.build-mode }}
-          queries: security-extended
-          config-file: ${{ matrix.config }}
-
-      - if: matrix.build-mode == 'manual'
-        shell: bash
-        run: |
-          echo "nothing yet"
-          exit 0
-
-      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@cdefb33c0f6224e58673d9004f47f7cb3e328b89 # v4.31.10
-        with:
-          category: "/language:${{matrix.language}}"

.github/workflows/coding_guidelines.yml

@@ -2,37 +2,37 @@ name: Coding Guidelines
 
 on: pull_request
 
-permissions:
-  contents: read
-
 jobs:
   compliance_job:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     name: Run coding guidelines checks on patch series (PR)
     steps:
     - name: Checkout the code
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      uses: actions/checkout@v3
       with:
         ref: ${{ github.event.pull_request.head.sha }}
         fetch-depth: 0
 
-    - name: Set up Python
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+    - name: cache-pip
+      uses: actions/cache@v3
       with:
-        python-version: 3.12
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-doc-pip
 
-    - name: Install Python packages
+    - name: Install python dependencies
       run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
+        pip3 install unidiff
+        pip3 install wheel
+        pip3 install sh
 
     - name: Install Packages
       run: |
         sudo apt-get update
-        sudo apt-get install coccinelle
+        sudo apt-get install ocaml-base-nox
+        wget https://launchpad.net/~npalix/+archive/ubuntu/coccinelle/+files/coccinelle_1.0.8~20.04npalix1_amd64.deb
+        sudo dpkg -i coccinelle_1.0.8~20.04npalix1_amd64.deb
 
-    - name: Run Coding Guidelines Checks
+    - name: Run Coding Guildeines Checks
       continue-on-error: true
       id: coding_guidelines
       env:
@@ -42,10 +42,7 @@ jobs:
         git config --global user.email "actions@zephyrproject.org"
         git config --global user.name "Github Actions"
         git remote -v
-        rm -fr ".git/rebase-apply"
-        rm -fr ".git/rebase-merge"
         git rebase origin/${BASE_REF}
-        git clean -f -d
         source zephyr-env.sh
         # debug
         ls -la

.github/workflows/compliance.yml

@@ -1,19 +1,26 @@
 name: Compliance Checks
 
-on:
-  pull_request:
-    types:
-    - edited
-    - opened
-    - reopened
-    - synchronize
-
-permissions:
-  contents: read
+on: pull_request
 
 jobs:
+  maintainer_check:
+    runs-on: ubuntu-20.04
+    name: Check MAINTAINERS file
+    steps:
+    - name: Checkout the code
+      uses: actions/checkout@v3
+      with:
+        ref: ${{ github.event.pull_request.head.sha }}
+        fetch-depth: 0
+    - name: Run Maintainers Script
+      id: maintainer
+      env:
+        BASE_REF: ${{ github.base_ref }}
+      run: |
+        python3 ./scripts/get_maintainer.py path CMakeLists.txt
+
   check_compliance:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     name: Run compliance checks on patch series (PR)
     steps:
     - name: Update PATH for west
@@ -21,55 +28,36 @@ jobs:
         echo "$HOME/.local/bin" >> $GITHUB_PATH
 
     - name: Checkout the code
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      uses: actions/checkout@v3
       with:
         ref: ${{ github.event.pull_request.head.sha }}
         fetch-depth: 0
 
-    - name: Rebase onto the target branch
+    - name: cache-pip
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-doc-pip
+
+    - name: Install python dependencies
+      run: |
+        pip3 install setuptools
+        pip3 install wheel
+        pip3 install python-magic junitparser==1.6.3 gitlint pylint pykwalify
+        pip3 install west
+
+    - name: west setup
       env:
         BASE_REF: ${{ github.base_ref }}
       run: |
         git config --global user.email "you@example.com"
         git config --global user.name "Your Name"
         git remote -v
-        # Ensure there's no merge commits in the PR
-        [[ "$(git rev-list --merges --count origin/${BASE_REF}..)" == "0" ]] || \
-        (echo "::error ::Merge commits not allowed, rebase instead";false)
-        rm -fr ".git/rebase-apply"
-        rm -fr ".git/rebase-merge"
         git rebase origin/${BASE_REF}
-        git clean -f -d
         # debug
         git log  --pretty=oneline | head -n 10
-
-    - name: Set up Python
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-      with:
-        python-version: 3.12
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Install Python packages
-      run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-
-    - name: west setup
-      run: |
         west init -l . || true
-        west config manifest.group-filter -- +ci,-optional
-        west update -o=--depth=1 -n 2>&1 1> west.update.log || west update -o=--depth=1 -n 2>&1 1> west.update2.log
-
-    - name: Setup Node.js
-      uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
-      with:
-        node-version: "lts/*"
-        cache: npm
-        check-latest: true
-        cache-dependency-path: ./scripts/ci/package-lock.json
-
-    - name: Install Node dependencies
-      run: npm --prefix ./scripts/ci ci
+        west update 2>&1 1> west.update.log || west update 2>&1 1> west.update2.log
 
     - name: Run Compliance Tests
       continue-on-error: true
@@ -81,58 +69,32 @@ jobs:
         # debug
         ls -la
         git log  --pretty=oneline | head -n 10
-        # Increase rename limit to allow for large PRs
-        git config diff.renameLimit 10000
-        excludes="-e KconfigBasic -e SysbuildKconfigBasic -e ClangFormat"
-        # The signed-off-by check for dependabot should be skipped
-        if [ "${{ github.actor }}" == "dependabot[bot]" ]; then
-          excludes="$excludes -e Identity"
-        fi
-        ./scripts/ci/check_compliance.py --annotate $excludes -c origin/${BASE_REF}..
+        ./scripts/ci/check_compliance.py -m Codeowners -m Devicetree -m Gitlint -m Identity -m Nits -m pylint -m checkpatch -m Kconfig -c origin/${BASE_REF}..
 
     - name: upload-results
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-      continue-on-error: true
+      uses: actions/upload-artifact@v3
+      continue-on-error: True
       with:
         name: compliance.xml
         path: compliance.xml
 
-    - name: Upload dts linter patch
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-      continue-on-error: true
-      if: hashFiles('dts_linter.patch') != ''
-      with:
-        name: dts_linter.patch
-        path: dts_linter.patch
-
     - name: check-warns
       run: |
         if [[ ! -s "compliance.xml" ]]; then
           exit 1;
         fi
 
-        warns=("ClangFormat" "LicenseAndCopyrightCheck")
-        files=($(./scripts/ci/check_compliance.py -l))
-
-        for file in "${files[@]}"; do
-          f="${file}.txt"
-          if [[ -s $f ]]; then
-            results=$(cat $f)
-            results="${results//'%'/'%25'}"
-            results="${results//$'\n'/'%0A'}"
-            results="${results//$'\r'/'%0D'}"
-
-            if [[ "${warns[@]}" =~ "${file}" ]]; then
-              echo "::warning file=${f}::$results"
-            else
-              echo "::error file=${f}::$results"
-              exit=1
-            fi
+        for file in Nits.txt checkpatch.txt Identity.txt Gitlint.txt pylint.txt Devicetree.txt Kconfig.txt Codeowners.txt; do
+          if [[ -s $file ]]; then
+            errors=$(cat $file)
+            errors="${errors//'%'/'%25'}"
+            errors="${errors//$'\n'/'%0A'}"
+            errors="${errors//$'\r'/'%0D'}"
+            echo "::error file=${file}::$errors"
+            exit=1
           fi
         done
 
         if [ "${exit}" == "1" ]; then
-          echo "Compliance error, check for error messages in the \"Run Compliance Tests\" step"
-          echo "You can run this step locally with the ./scripts/ci/check_compliance.py script."
           exit 1;
         fi

.github/workflows/conflict.yml

@@ -0,0 +1,14 @@
+name: Conflict Finder
+
+on:
+  push:
+    branches-ignore:
+      - '**'
+jobs:
+  conflict:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: mschilde/auto-label-merge-conflicts@v2
+        with:
+          CONFLICT_LABEL_NAME: "has conflicts"
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/daily_test_version.yml

@@ -5,43 +5,33 @@ name: Publish commit for daily testing
 
 on:
   schedule:
-  - cron: '50 22 * * *'
+    - cron:  '50 22 * * *'
   push:
     branches:
-    - refs/tags/*
-
-permissions:
-  contents: read
+      - refs/tags/*
 
 jobs:
   get_version:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     if: github.repository == 'zephyrproject-rtos/zephyr'
 
     steps:
     - name: Configure AWS Credentials
-      uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5.1.1
+      uses: aws-actions/configure-aws-credentials@v1
       with:
-        aws-access-key-id: ${{ vars.AWS_TESTING_ACCESS_KEY_ID }}
-        aws-secret-access-key: ${{ secrets.AWS_TESTING_SECRET_ACCESS_KEY }}
+        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID_TESTING }}
+        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY_TESTING }}
         aws-region: us-east-1
 
+    - name: install-pip
+      run: |
+        pip3 install gitpython
+
     - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
 
-    - name: Set up Python
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-      with:
-        python-version: 3.12
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Install Python packages
-      run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-
     - name: Upload to AWS S3
       run: |
         python3 scripts/ci/version_mgr.py --update .

.github/workflows/devicetree_checks.yml

@@ -20,32 +20,55 @@ on:
     - 'scripts/dts/**'
     - '.github/workflows/devicetree_checks.yml'
 
-permissions:
-  contents: read
-
 jobs:
   devicetree-checks:
     name: Devicetree script tests
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13']
-        os: [ubuntu-22.04, macos-14, windows-2022]
+        python-version: [3.6, 3.7, 3.8]
+        os: [ubuntu-20.04, macos-11, windows-2022]
+        exclude:
+          - os: macos-11
+            python-version: 3.6
+          - os: windows-2022
+            python-version: 3.6
     steps:
     - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
+      uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Install Python packages
+    - name: cache-pip-linux
+      if: startsWith(runner.os, 'Linux')
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.python-version }}
+    - name: cache-pip-mac
+      if: startsWith(runner.os, 'macOS')
+      uses: actions/cache@v3
+      with:
+        path: ~/Library/Caches/pip
+        # Trailing '-' was just to get a different cache name
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}-
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.python-version }}-
+    - name: cache-pip-win
+      if: startsWith(runner.os, 'Windows')
+      uses: actions/cache@v3
+      with:
+        path: ~\AppData\Local\pip\Cache
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.python-version }}
+    - name: install python dependencies
       run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-
+        pip3 install wheel
+        pip3 install pytest pyyaml tox
     - name: run tox
       working-directory: scripts/dts/python-devicetree
       run: |

.github/workflows/doc-build.yml

@@ -4,127 +4,74 @@
 name: Documentation Build
 
 on:
+  schedule:
+  - cron: '0 */3 * * *'
   push:
-    branches:
-    - main
     tags:
     - v*
   pull_request:
-
-permissions:
-  contents: read
+    paths:
+    - 'doc/**'
+    - '**.rst'
+    - 'include/**'
+    - 'kernel/include/kernel_arch_interface.h'
+    - 'lib/libc/**'
+    - 'subsys/testsuite/ztest/include/**'
+    - 'tests/**'
+    - '**/Kconfig*'
+    - 'west.yml'
+    - '.github/workflows/doc-build.yml'
+    - 'scripts/dts/**'
+    - 'scripts/requirements-doc.txt'
 
 env:
-  DOXYGEN_VERSION: 1.15.0
-  DOXYGEN_SHA256SUM: 0ec2e5b2c3cd82b7106d19cb42d8466450730b8cb7a9e85af712be38bf4523a1
-  JOB_COUNT: 8
+  # NOTE: west docstrings will be extracted from the version listed here
+  WEST_VERSION: 0.12.0
+  # The latest CMake available directly with apt is 3.18, but we need >=3.20
+  # so we fetch that through pip.
+  CMAKE_VERSION: 3.20.5
+  DOXYGEN_VERSION: 1.9.2
 
 jobs:
-  doc-file-check:
-    name: Check for doc changes
-    runs-on: ubuntu-24.04
-    outputs:
-      file_check: ${{ steps.check-doc-files.outputs.any_modified }}
-    steps:
-    - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      with:
-        ref: ${{ github.event.pull_request.head.sha }}
-        fetch-depth: 0
-    - name: Check if Documentation related files changed
-      uses: tj-actions/changed-files@e0021407031f5be11a464abee9a0776171c79891 # v47.0.1
-      id: check-doc-files
-      with:
-        files: |
-          doc/
-          boards/**/doc/
-          **.rst
-          include/
-          kernel/include/kernel_arch_interface.h
-          lib/libc/**
-          subsys/testsuite/ztest/include/**
-          **/Kconfig*
-          west.yml
-          scripts/dts/
-          doc/requirements.txt
-          .github/workflows/doc-build.yml
-          scripts/pylib/pytest-twister-harness/src/twister_harness/device/device_adapter.py
-          scripts/pylib/pytest-twister-harness/src/twister_harness/helpers/shell.py
-
   doc-build-html:
     name: "Documentation Build (HTML)"
-    needs: [doc-file-check]
-    if: >
-      needs.doc-file-check.outputs.file_check == 'true' || github.event_name != 'pull_request'
-    runs-on:
-      group: zephyr-runner-v2-linux-x64-4xlarge
-    container:
-      image: ghcr.io/zephyrproject-rtos/ci-repo-cache:v0.28.7.20251127
-      options: '--entrypoint /bin/bash'
-    timeout-minutes: 60
+    runs-on: ubuntu-20.04
+    timeout-minutes: 30
+
     concurrency:
       group: doc-build-html-${{ github.ref }}
       cancel-in-progress: true
-    env:
-      BASE_REF: ${{ github.base_ref }}
-
 
     steps:
+    - name: checkout
+      uses: actions/checkout@v3
 
-    - name: Print cloud service information
+    - name: install-pkgs
       run: |
-        echo "ZEPHYR_RUNNER_CLOUD_PROVIDER = ${ZEPHYR_RUNNER_CLOUD_PROVIDER}"
-        echo "ZEPHYR_RUNNER_CLOUD_NODE = ${ZEPHYR_RUNNER_CLOUD_NODE}"
-        echo "ZEPHYR_RUNNER_CLOUD_POD = ${ZEPHYR_RUNNER_CLOUD_POD}"
+        sudo apt-get update
+        sudo apt-get install -y ninja-build graphviz libclang1-9 libclang-cpp9
+        wget --no-verbose https://downloads.sourceforge.net/project/doxygen/rel-${DOXYGEN_VERSION}/doxygen-${DOXYGEN_VERSION}.linux.bin.tar.gz
+        tar xf doxygen-${DOXYGEN_VERSION}.linux.bin.tar.gz
+        echo "${PWD}/doxygen-${DOXYGEN_VERSION}/bin" >> $GITHUB_PATH
 
-    - name: Apply container owner mismatch workaround
-      run: |
-        # FIXME: The owner UID of the GITHUB_WORKSPACE directory may not
-        #        match the container user UID because of the way GitHub
-        #        Actions runner is implemented. Remove this workaround when
-        #        GitHub comes up with a fundamental fix for this problem.
-        git config --global --add safe.directory ${GITHUB_WORKSPACE}
-
-    - name: Clone cached Zephyr repository
-      continue-on-error: true
-      run: |
-        git clone --shared /repo-cache/zephyrproject/zephyr .
-        git remote set-url origin ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
-
-    - name: Checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - name: cache-pip
+      uses: actions/cache@v3
       with:
-        ref: ${{ github.event.pull_request.head.sha }}
-        fetch-depth: 0
+        path: ~/.cache/pip
+        key: pip-${{ hashFiles('scripts/requirements-doc.txt') }}
 
-    - name: Environment Setup
+    - name: install-pip
       run: |
-        if [ "${{github.event_name}}" = "pull_request" ]; then
-          git config --global user.email "bot@zephyrproject.org"
-          git config --global user.name "Zephyr Builder"
-          rm -fr ".git/rebase-apply"
-          rm -fr ".git/rebase-merge"
-          git rebase origin/${BASE_REF}
-          git clean -f -d
-          git log  --pretty=oneline | head -n 10
-        fi
-        echo "$HOME/.local/bin" >> $GITHUB_PATH
-        echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+        sudo pip3 install -U setuptools wheel pip
+        pip3 install -r scripts/requirements-doc.txt
+        pip3 install west==${WEST_VERSION}
+        pip3 install cmake==${CMAKE_VERSION}
 
-        west init -l . || true
-        west config --global update.narrow true
-        west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.update.log || west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.update.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /repo-cache/zephyrproject)
-        west forall -c 'git reset --hard HEAD'
-
-        echo "ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-$( cat SDK_VERSION )" >> $GITHUB_ENV
-
-    - name: Install Python packages required for documentation build
+    - name: west setup
       run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-        pip install -r doc/requirements.txt --require-hashes
+        west init -l .
 
-    - name: Build HTML documentation
-      shell: bash
+    - name: build-docs
       run: |
         if [[ "$GITHUB_REF" =~ "refs/tags/v" ]]; then
           DOC_TAG="release"
@@ -138,52 +85,30 @@ jobs:
           DOC_TARGET="html"
         fi
 
-        DOC_TAG=${DOC_TAG} \
-        SPHINXOPTS="-j ${JOB_COUNT} -W --keep-going -T" \
-        SPHINXOPTS_EXTRA="-q -t publish" \
-        make -C doc ${DOC_TARGET}
+        DOC_TAG=${DOC_TAG} SPHINXOPTS="-q -W -t publish" make -C doc ${DOC_TARGET}
 
-        # API documentation coverage
-        python3 -m coverxygen --xml-dir  doc/_build/html/doxygen/xml/ --src-dir include/ --output doc-coverage.info
-        # deprecated page causing issues
-        lcov --remove doc-coverage.info \*/deprecated > new.info
-        genhtml --no-function-coverage --no-branch-coverage new.info -o coverage-report
-
-    - name: Compress documentation build artifacts
+    - name: compress-docs
       run: |
-        tar --use-compress-program="xz -T0" -cf html-output.tar.xz --exclude html/_sources --exclude html/doxygen/xml --directory=doc/_build html
-        tar --use-compress-program="xz -T0" -cf api-output.tar.xz --directory=doc/_build html/doxygen/html
-        tar --use-compress-program="xz -T0" -cf api-coverage.tar.xz coverage-report
+        tar cfJ html-output.tar.xz --directory=doc/_build html
 
-    - name: Upload HTML output
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+    - name: upload-build
+      uses: actions/upload-artifact@v3
       with:
         name: html-output
         path: html-output.tar.xz
 
-    - name: Upload Doxygen coverage artifacts
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-      with:
-        name: api-coverage
-        path: api-coverage.tar.xz
-
-
-    - name: Summarize PR documentation URLs
+    - name: process-pr
       if: github.event_name == 'pull_request'
       run: |
         REPO_NAME="${{ github.event.repository.name }}"
         PR_NUM="${{ github.event.pull_request.number }}"
         DOC_URL="https://builds.zephyrproject.io/${REPO_NAME}/pr/${PR_NUM}/docs/"
-        API_DOC_URL="https://builds.zephyrproject.io/${REPO_NAME}/pr/${PR_NUM}/docs/doxygen/html/"
-        API_COVERAGE_URL="https://builds.zephyrproject.io/${REPO_NAME}/pr/${PR_NUM}/api-coverage/"
 
         echo "${PR_NUM}" > pr_num
-        echo "Documentation will be available shortly at: ${DOC_URL}" >> $GITHUB_STEP_SUMMARY
-        echo "API Documentation will be available shortly at: ${API_DOC_URL}" >> $GITHUB_STEP_SUMMARY
-        echo "API Coverage Report will be available shortly at: ${API_COVERAGE_URL}" >> $GITHUB_STEP_SUMMARY
+        echo "::notice:: Documentation will be available shortly at: ${DOC_URL}"
 
-    - name: Upload PR number
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+    - name: upload-pr-number
+      uses: actions/upload-artifact@v3
       if: github.event_name == 'pull_request'
       with:
         name: pr_num
@@ -191,60 +116,40 @@ jobs:
 
   doc-build-pdf:
     name: "Documentation Build (PDF)"
-    needs: [doc-file-check]
-    if: |
-      github.event_name != 'pull_request'
-    runs-on: ubuntu-24.04
-    timeout-minutes: 120
+    runs-on: ubuntu-20.04
+    container: texlive/texlive:latest
+    timeout-minutes: 30
     concurrency:
       group: doc-build-pdf-${{ github.ref }}
       cancel-in-progress: true
 
     steps:
     - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      with:
-        path: zephyr
-
-    - name: Set up Python
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-      with:
-        python-version: 3.12
-        cache: pip
-        cache-dependency-path: doc/requirements.txt
+      uses: actions/checkout@v3
 
     - name: install-pkgs
       run: |
-        sudo apt-get update
-        sudo apt-get install --no-install-recommends graphviz librsvg2-bin \
-          texlive-latex-base texlive-latex-extra latexmk \
-          texlive-fonts-recommended texlive-fonts-extra texlive-xetex \
-          imagemagick fonts-noto xindy
-        wget --no-verbose "https://github.com/doxygen/doxygen/releases/download/Release_${DOXYGEN_VERSION//./_}/doxygen-${DOXYGEN_VERSION}.linux.bin.tar.gz"
-        echo "${DOXYGEN_SHA256SUM}  doxygen-${DOXYGEN_VERSION}.linux.bin.tar.gz" | sha256sum -c
-        if [ $? -ne 0 ]; then
-          echo "Failed to verify doxygen tarball"
-          exit 1
-        fi
-        sudo tar xf doxygen-${DOXYGEN_VERSION}.linux.bin.tar.gz -C /opt
-        echo "/opt/doxygen-${DOXYGEN_VERSION}/bin" >> $GITHUB_PATH
+        apt-get update
+        apt-get install -y python3-pip ninja-build doxygen graphviz librsvg2-bin
 
-    - name: Setup Zephyr project
-      uses: zephyrproject-rtos/action-zephyr-setup@360ff9b36e58499d9eb28015cdcde7ca03a5b04d # v1.0.12
+    - name: cache-pip
+      uses: actions/cache@v3
       with:
-        app-path: zephyr
-        toolchains: 'arm-zephyr-eabi'
-        enable-ccache: false
+        path: ~/.cache/pip
+        key: pip-${{ hashFiles('scripts/requirements-doc.txt') }}
 
-    - name: install-pip-pkgs
-      working-directory: zephyr
+    - name: install-pip
       run: |
-        pip install -r doc/requirements.txt --require-hashes
+        pip3 install -U setuptools wheel pip
+        pip3 install -r scripts/requirements-doc.txt
+        pip3 install west==${WEST_VERSION}
+        pip3 install cmake==${CMAKE_VERSION}
+
+    - name: west setup
+      run: |
+        west init -l .
 
     - name: build-docs
-      shell: bash
-      working-directory: zephyr
-      continue-on-error: true
       run: |
         if [[ "$GITHUB_REF" =~ "refs/tags/v" ]]; then
           DOC_TAG="release"
@@ -252,28 +157,10 @@ jobs:
           DOC_TAG="development"
         fi
 
-        DOC_TAG=${DOC_TAG} \
-        SPHINXOPTS="-q -j ${JOB_COUNT}" \
-        LATEXMKOPTS="-quiet -halt-on-error" \
-        make -C doc pdf
+        DOC_TAG=${DOC_TAG} SPHINXOPTS="-q -j auto" LATEXMKOPTS="-quiet -halt-on-error" make -C doc pdf
 
     - name: upload-build
-      if: always()
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+      uses: actions/upload-artifact@v3
       with:
         name: pdf-output
-        if-no-files-found: ignore
-        path: |
-          zephyr/doc/_build/latex/zephyr.pdf
-          zephyr/doc/_build/latex/zephyr.log
-
-  doc-build-status-check:
-    if: always()
-    name: "Documentation Build Status"
-    needs:
-    - doc-build-pdf
-    - doc-file-check
-    - doc-build-html
-    uses: ./.github/workflows/ready-to-merge.yml
-    with:
-      needs_context: ${{ toJson(needs) }}
+        path: doc/_build/latex/zephyr.pdf

.github/workflows/doc-publish-pr.yml

@@ -10,13 +10,10 @@ on:
     types:
     - completed
 
-permissions:
-  contents: read
-
 jobs:
   doc-publish:
     name: Publish Documentation
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     if: |
       github.event.workflow_run.event == 'pull_request' &&
       github.event.workflow_run.conclusion == 'success' &&
@@ -24,64 +21,43 @@ jobs:
 
     steps:
     - name: Download artifacts
-      id: download-artifacts
-      uses: dawidd6/action-download-artifact@0bd50d53a6d7fb5cb921e607957e9cc12b4ce392 # v12
+      uses: dawidd6/action-download-artifact@v2
       with:
         workflow: doc-build.yml
         run_id: ${{ github.event.workflow_run.id }}
-        if_no_artifact_found: ignore
 
     - name: Load PR number
-      if: steps.download-artifacts.outputs.found_artifact == 'true'
-      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-      with:
-        script: |
-          let fs = require("fs");
-          let pr_number = Number(fs.readFileSync("./pr_num/pr_num"));
-          core.exportVariable("PR_NUM", pr_number);
+      run: |
+        echo "PR_NUM=$(<pr_num/pr_num)" >> $GITHUB_ENV
 
     - name: Check PR number
-      if: steps.download-artifacts.outputs.found_artifact == 'true'
       id: check-pr
-      uses: carpentries/actions/check-valid-pr@083bb9952b1414bd2b9e10ecec1717c938aba4c5 # v0.17.0
+      uses: carpentries/actions/check-valid-pr@v0.8
       with:
         pr: ${{ env.PR_NUM }}
         sha: ${{ github.event.workflow_run.head_sha }}
 
     - name: Validate PR number
-      if: |
-        steps.download-artifacts.outputs.found_artifact == 'true' &&
-        steps.check-pr.outputs.VALID != 'true'
+      if: steps.check-pr.outputs.VALID != 'true'
       run: |
         echo "ABORT: PR number validation failed!"
         exit 1
 
     - name: Uncompress HTML docs
-      if: steps.download-artifacts.outputs.found_artifact == 'true'
       run: |
         tar xf html-output/html-output.tar.xz -C html-output
-        if [ -f api-coverage/api-coverage.tar.xz ]; then
-          tar xf api-coverage/api-coverage.tar.xz -C api-coverage
-        fi
 
     - name: Configure AWS Credentials
-      if: steps.download-artifacts.outputs.found_artifact == 'true'
-      uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5.1.1
+      uses: aws-actions/configure-aws-credentials@v1
       with:
-        aws-access-key-id: ${{ vars.AWS_BUILDS_ZEPHYR_PR_ACCESS_KEY_ID }}
+        aws-access-key-id: ${{ secrets.AWS_BUILDS_ZEPHYR_PR_ACCESS_KEY_ID }}
         aws-secret-access-key: ${{ secrets.AWS_BUILDS_ZEPHYR_PR_SECRET_ACCESS_KEY }}
         aws-region: us-east-1
 
     - name: Upload to AWS S3
-      if: steps.download-artifacts.outputs.found_artifact == 'true'
       env:
         HEAD_BRANCH: ${{ github.event.workflow_run.head_branch }}
       run: |
         aws s3 sync --quiet html-output/html \
           s3://builds.zephyrproject.org/${{ github.event.repository.name }}/pr/${PR_NUM}/docs \
           --delete
-        if [ -d api-coverage/coverage-report ]; then
-          aws s3 sync --quiet api-coverage/coverage-report/ \
-            s3://builds.zephyrproject.org/${{ github.event.repository.name }}/pr/${PR_NUM}/api-coverage \
-            --delete
-        fi

.github/workflows/doc-publish.yml

@@ -13,21 +13,17 @@ on:
     types:
     - completed
 
-permissions:
-  contents: read
-
 jobs:
   doc-publish:
     name: Publish Documentation
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     if: |
-      github.event.workflow_run.event != 'pull_request' &&
       github.event.workflow_run.conclusion == 'success' &&
       github.repository == 'zephyrproject-rtos/zephyr'
 
     steps:
     - name: Download artifacts
-      uses: dawidd6/action-download-artifact@0bd50d53a6d7fb5cb921e607957e9cc12b4ce392 # v12
+      uses: dawidd6/action-download-artifact@v2
       with:
         workflow: doc-build.yml
         run_id: ${{ github.event.workflow_run.id }}
@@ -35,15 +31,12 @@ jobs:
     - name: Uncompress HTML docs
       run: |
         tar xf html-output/html-output.tar.xz -C html-output
-        if [ -f api-coverage/api-coverage.tar.xz ]; then
-          tar xf api-coverage/api-coverage.tar.xz -C api-coverage
-        fi
 
     - name: Configure AWS Credentials
-      uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5.1.1
+      uses: aws-actions/configure-aws-credentials@v1
       with:
-        aws-access-key-id: ${{ vars.AWS_DOCS_ACCESS_KEY_ID }}
-        aws-secret-access-key: ${{ secrets.AWS_DOCS_SECRET_ACCESS_KEY }}
+        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
         aws-region: us-east-1
 
     - name: Upload to AWS S3
@@ -58,7 +51,4 @@ jobs:
 
         aws s3 sync --quiet html-output/html s3://docs.zephyrproject.org/${VERSION} --delete
         aws s3 sync --quiet html-output/html/doxygen/html s3://docs.zephyrproject.org/apidoc/${VERSION} --delete
-        if [ -d api-coverage/coverage-report ]; then
-          aws s3 sync --quiet api-coverage/coverage-report/ s3://docs.zephyrproject.org/api-coverage/${VERSION} --delete
-        fi
         aws s3 cp --quiet pdf-output/zephyr.pdf s3://docs.zephyrproject.org/${VERSION}/zephyr.pdf

.github/workflows/errno.yml

@@ -2,35 +2,19 @@ name: Error numbers
 on:
   pull_request:
     paths:
-      - '.github/workflows/errno.yml'
       - 'lib/libc/minimal/include/errno.h'
-      - 'scripts/ci/errno.py'
-      - 'SDK_VERSION'
-
-permissions:
-  contents: read
 
 jobs:
   check-errno:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
+    container:
+      image: zephyrprojectrtos/ci:v0.21.0
+
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          path: zephyr
-
-      - name: Setup Zephyr project
-        uses: zephyrproject-rtos/action-zephyr-setup@360ff9b36e58499d9eb28015cdcde7ca03a5b04d # v1.0.12
-        with:
-          app-path: zephyr
-          toolchains: 'arm-zephyr-eabi'
-          west-group-filter: -hal,-tools,-bootloader,-babblesim
-          west-project-filter: -nrf_hw_models
-          enable-ccache: false
+        uses: actions/checkout@v3
 
       - name: Run errno.py
-        working-directory: zephyr
         run: |
-          export ZEPHYR_SDK_INSTALL_DIR=${{ github.workspace }}/zephyr-sdk
           export ZEPHYR_BASE=${PWD}
           ./scripts/ci/errno.py

.github/workflows/footprint-tracking.yml

@@ -1,87 +1,49 @@
 name: Footprint Tracking
 
+# Run every 12 hours and on tags
 on:
   schedule:
-    - cron: '50 00 * * *'
+    - cron: '50 1/12 * * *'
   push:
     paths:
       - 'VERSION'
       - '.github/workflows/footprint-tracking.yml'
-    branches:
-      - main
-      - v*-branch
     tags:
       # only publish v* tags, do not care about zephyr-v* which point to the
       # same commit
       - 'v*'
 
-permissions:
-  contents: read
-
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
   cancel-in-progress: true
 
 jobs:
   footprint-tracking:
-    runs-on:
-      group: zephyr-runner-v2-linux-x64-4xlarge
-    if: github.repository_owner == 'zephyrproject-rtos'
+    runs-on: ubuntu-20.04
+    if: github.repository == 'zephyrproject-rtos/zephyr'
     container:
-      image: ghcr.io/zephyrproject-rtos/ci-repo-cache:v0.28.7.20251127
+      image: zephyrprojectrtos/ci:v0.21.0
       options: '--entrypoint /bin/bash'
-    defaults:
-      run:
-        shell: bash
     strategy:
       fail-fast: false
     env:
+      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2
+      CLANG_ROOT_DIR: /usr/lib/llvm-12
       ZEPHYR_TOOLCHAIN_VARIANT: zephyr
     steps:
-      - name: Apply container owner mismatch workaround
-        run: |
-          # FIXME: The owner UID of the GITHUB_WORKSPACE directory may not
-          #        match the container user UID because of the way GitHub
-          #        Actions runner is implemented. Remove this workaround when
-          #        GitHub comes up with a fundamental fix for this problem.
-          git config --global --add safe.directory ${GITHUB_WORKSPACE}
-
-      - name: Print cloud service information
-        run: |
-          echo "ZEPHYR_RUNNER_CLOUD_PROVIDER = ${ZEPHYR_RUNNER_CLOUD_PROVIDER}"
-          echo "ZEPHYR_RUNNER_CLOUD_NODE = ${ZEPHYR_RUNNER_CLOUD_NODE}"
-          echo "ZEPHYR_RUNNER_CLOUD_POD = ${ZEPHYR_RUNNER_CLOUD_POD}"
-
       - name: Update PATH for west
         run: |
           echo "$HOME/.local/bin" >> $GITHUB_PATH
-
-      - name: Install packages
+      - name: Install pip packages
         run: |
-          sudo apt-get update
-          sudo apt-get install -y python3-venv
+          sudo pip3 install -U setuptools wheel pip gitpython
 
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@v3
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
 
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-            pip install -r scripts/requirements-actions.txt --require-hashes
-
-      - name: Environment Setup
-        run: |
-          echo "ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-$( cat SDK_VERSION )" >> $GITHUB_ENV
-
       - name: west setup
         run: |
           west init -l . || true
@@ -89,10 +51,10 @@ jobs:
           west update 2>&1 1> west.update.log || west update 2>&1 1> west.update2.log
 
       - name: Configure AWS Credentials
-        uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5.1.1
+        uses: aws-actions/configure-aws-credentials@v1
         with:
-          aws-access-key-id: ${{ vars.AWS_TESTING_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_TESTING_SECRET_ACCESS_KEY }}
+          aws-access-key-id: ${{ secrets.FOOTPRINT_AWS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.FOOTPRINT_AWS_ACCESS_KEY }}
           aws-region: us-east-1
 
       - name: Record Footprint
@@ -101,38 +63,4 @@ jobs:
         run: |
           export ZEPHYR_BASE=${PWD}
           ./scripts/footprint/track.py  -p scripts/footprint/plan.txt
-
-      - name: Upload footprint data
-        run: |
-          python3 -m venv .venv
-          . .venv/bin/activate
           aws s3 sync  --quiet footprint_data/ s3://testing.zephyrproject.org/footprint_data/
-
-      - name: Transform Footprint data to Twister JSON reports
-        run: |
-          shopt -s globstar
-          export ZEPHYR_BASE=${PWD}
-          python3 ./scripts/footprint/pack_as_twister.py -vvv \
-            --plan ./scripts/footprint/plan.txt \
-            --test-name='name.feature' \
-            ./footprint_data/**/
-
-      - name: Upload to ElasticSearch
-        env:
-          ELASTICSEARCH_KEY: ${{ secrets.ELASTICSEARCH_KEY }}
-          ELASTICSEARCH_SERVER: "https://elasticsearch.zephyrproject.io:443"
-          ELASTICSEARCH_INDEX: ${{ vars.FOOTPRINT_TRACKING_INDEX }}
-        run: |
-          shopt -s globstar
-          run_date=`date --iso-8601=minutes`
-          python3 ./scripts/ci/upload_test_results_es.py -r ${run_date} \
-            --flatten footprint \
-            --flatten-list-names "{'children':'name'}" \
-            --transform "{ 'footprint_name': '^(?P<footprint_area>([^\/]+\/){0,2})(?P<footprint_path>([^\/]*\/)*)(?P<footprint_symbol>[^\/]*)$' }" \
-            --run-id "${{ github.run_id }}" \
-            --run-attempt "${{ github.run_attempt }}" \
-            --run-workflow "footprint-tracking:${{ github.event_name }}" \
-            --run-branch "${{ github.ref_name }}" \
-            -i ${ELASTICSEARCH_INDEX} \
-            ./footprint_data/**/twister_footprint.json
-        #

.github/workflows/footprint.yml

@@ -0,0 +1,63 @@
+name: Footprint Delta
+
+on: pull_request
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  footprint-delta:
+    runs-on: ubuntu-20.04
+    if: github.repository == 'zephyrproject-rtos/zephyr'
+    container:
+      image: zephyrprojectrtos/ci:v0.21.0
+      options: '--entrypoint /bin/bash'
+    strategy:
+      fail-fast: false
+    env:
+      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2
+      CLANG_ROOT_DIR: /usr/lib/llvm-12
+      ZEPHYR_TOOLCHAIN_VARIANT: zephyr
+    steps:
+      - name: Update PATH for west
+        run: |
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: checkout
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+
+      - name: west setup
+        run: |
+          west init -l . || true
+          west config --global update.narrow true
+          west update 2>&1 1> west.update.log || west update 2>&1 1> west.update.log
+
+      - name: Detect Changes in Footprint
+        env:
+          BASE_REF: ${{ github.base_ref }}
+        run: |
+          export ZEPHYR_BASE=${PWD}
+          git config --global user.email "actions@zephyrproject.org"
+          git config --global user.name "Github Actions"
+          git remote -v
+          git rebase origin/${BASE_REF}
+          git checkout -b this_pr
+          west build -b frdm_k64f  tests/benchmarks/footprints -t ram_report
+          cp build/ram.json ram2.json
+          west build -b frdm_k64f  tests/benchmarks/footprints -t rom_report
+          cp build/rom.json rom2.json
+
+          git checkout origin/${BASE_REF}
+          west update
+          west build -p always -b frdm_k64f  tests/benchmarks/footprints -t ram_report
+          west build -b frdm_k64f  tests/benchmarks/footprints -t rom_report
+          cp build/ram.json ram1.json
+          cp build/rom.json rom1.json
+
+          git checkout this_pr
+          ./scripts/footprint/fpdiff.py ram1.json ram2.json
+          ./scripts/footprint/fpdiff.py rom1.json rom2.json

.github/workflows/greet_first_time_contributor.yml

@@ -1,64 +0,0 @@
-name: Greet first time contributor
-
-on:
-  issues:
-    types: [opened]
-  pull_request_target:
-    types: [opened, closed]
-
-permissions:
-  contents: read
-
-jobs:
-  check_for_first_interaction:
-    runs-on: ubuntu-24.04
-    if: github.repository == 'zephyrproject-rtos/zephyr'
-    permissions:
-      pull-requests: write # to comment on pull requests
-      issues: write        # to comment on issues
-
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - uses: zephyrproject-rtos/action-first-interaction@58853996b1ac504b8e0f6964301f369d2bb22e5c # v1.1.1+zephyr.6
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-
-          issue-message: >
-            Hi @${{github.event.issue.user.login}}! We appreciate you submitting your first issue
-            for our open-source project. 🌟
-
-
-            Even though I'm a bot, I can assure you that the whole community is genuinely grateful
-            for your time and effort. 🤖💙
-
-          pr-opened-message: >
-            Hello @${{ github.event.pull_request.user.login }}, and thank you very much for your
-            first pull request to the Zephyr project!
-
-            Our Continuous Integration pipeline will execute a series of checks on your Pull Request
-            commit messages and code, and you are expected to address any failures by updating the PR.
-            Please take a look at [our commit message guidelines](https://docs.zephyrproject.org/latest/contribute/guidelines.html#commit-message-guidelines)
-            to find out how to format your commit messages, and at [our contribution workflow](https://docs.zephyrproject.org/latest/contribute/guidelines.html#contribution-workflow)
-            to understand how to update your Pull Request.
-            If you haven't already, please make sure to review the project's [Contributor
-            Expectations](https://docs.zephyrproject.org/latest/contribute/contributor_expectations.html)
-            and update (by amending and force-pushing the commits) your pull request if necessary.
-
-            If you are stuck or need help please join us on [Discord](https://chat.zephyrproject.org/)
-            and ask your question there. Additionally, you can [escalate the review](https://docs.zephyrproject.org/latest/contribute/contributor_expectations.html#pr-technical-escalation)
-            when applicable. 😊
-
-          pr-merged-message: >
-            Hi @${{ github.event.pull_request.user.login }}!
-
-            Congratulations on getting your very first Zephyr pull request merged 🎉🥳. This is a
-            fantastic achievement, and we're thrilled to have you as part of our community!
-
-
-            To celebrate this milestone and showcase your contribution, we'd love to award you the
-            Zephyr Technical Contributor badge. If you're interested, please claim your badge by
-            filling out this form: [Claim Your Zephyr Badge](https://forms.gle/oCw9iAPLhUsHTapc8).
-
-
-            Thank you for your valuable input, and we look forward to seeing more of your
-            contributions in the future! 🪁

.github/workflows/hello_world_multiplatform.yaml

@@ -1,96 +0,0 @@
-name: Hello World (Multiplatform)
-
-on:
-  push:
-    branches:
-      - main
-      - v*-branch
-      - collab-*
-  pull_request:
-    branches:
-      - main
-      - v*-branch
-      - collab-*
-    paths:
-      - 'scripts/**'
-      - '.github/workflows/hello_world_multiplatform.yaml'
-      - 'SDK_VERSION'
-
-permissions:
-  contents: read
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-22.04, ubuntu-24.04, ubuntu-24.04-arm, macos-14, windows-2022]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          path: zephyr
-          fetch-depth: 0
-
-      - name: Rebase
-        if: github.event_name == 'pull_request'
-        env:
-          BASE_REF: ${{ github.base_ref }}
-          PR_HEAD: ${{ github.event.pull_request.head.sha }}
-        working-directory: zephyr
-        shell: bash
-        run: |
-          git config --global user.email "actions@zephyrproject.org"
-          git config --global user.name "Github Actions"
-          rm -fr ".git/rebase-apply"
-          rm -fr ".git/rebase-merge"
-          git rebase origin/${BASE_REF}
-          git clean -f -d
-          git log --graph --oneline HEAD...${PR_HEAD}
-
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-
-      - name: Setup Zephyr project
-        uses: zephyrproject-rtos/action-zephyr-setup@360ff9b36e58499d9eb28015cdcde7ca03a5b04d # v1.0.12
-        with:
-          app-path: zephyr
-          toolchains: arm-zephyr-eabi:riscv64-zephyr-elf
-          ccache-cache-key: hw-${{ matrix.os }}
-
-      - name: Build firmware
-        working-directory: zephyr
-        shell: bash
-        run: |
-          if [ "${{ runner.os }}" = "macOS" ]; then
-            EXTRA_TWISTER_FLAGS="-P native_sim --build-only"
-          elif [ "${{ runner.os }}" = "Windows" ]; then
-            EXTRA_TWISTER_FLAGS="-P native_sim --short-build-path -O/tmp/twister-out"
-          elif [ "${{ runner.os }}-${{ runner.arch }}" == "Linux-ARM64" ]; then
-            EXTRA_TWISTER_FLAGS="--exclude-platform native_sim/native"
-          fi
-          west twister \
-              -p native_sim -p qemu_cortex_m0 -p qemu_riscv32 -p qemu_riscv64 \
-              --runtime-artifact-cleanup \
-              --force-color \
-              --inline-logs \
-              -T samples/hello_world \
-              -T samples/cpp/hello_world \
-              -v \
-              $EXTRA_TWISTER_FLAGS
-
-      - name: Upload artifacts
-        if: failure()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          if-no-files-found: ignore
-          path:
-            zephyr/twister-out/*/samples/hello_world/sample.basic.helloworld/build.log
-            zephyr/twister-out/*/samples/cpp/hello_world/sample.cpp.helloworld/build.log

.github/workflows/issue_count.yml

@@ -2,10 +2,7 @@ name: Issue Tracker
 
 on:
   schedule:
-  - cron: '10 1/4 * * *'
-
-permissions:
-  contents: read
+    - cron:  '*/10 * * * *'
 
 env:
   OUTPUT_FILE_NAME: IssuesReport.md
@@ -17,7 +14,7 @@ env:
 jobs:
   track-issues:
     name: "Collect Issue Stats"
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     if: github.repository == 'zephyrproject-rtos/zephyr'
 
     steps:
@@ -30,7 +27,7 @@ jobs:
         sudo apt-get update
         sudo apt-get install discount
 
-    - uses: brcrista/summarize-issues@54c549b7d38b7db39e5c6e06fd9617e12e5c3491 # v4
+    - uses: brcrista/summarize-issues@v3
       with:
         title: 'Issues Report for ${{ github.repository }}'
         configPath: 'issues-report-config.json'
@@ -38,17 +35,17 @@ jobs:
         token: ${{ secrets.GITHUB_TOKEN }}
 
     - name: upload-stats
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-      continue-on-error: true
+      uses: actions/upload-artifact@v3
+      continue-on-error: True
       with:
         name: ${{ env.OUTPUT_FILE_NAME }}
         path: ${{ env.OUTPUT_FILE_NAME }}
 
     - name: Configure AWS Credentials
-      uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5.1.1
+      uses: aws-actions/configure-aws-credentials@v1
       with:
-        aws-access-key-id: ${{ vars.AWS_TESTING_ACCESS_KEY_ID }}
-        aws-secret-access-key: ${{ secrets.AWS_TESTING_SECRET_ACCESS_KEY }}
+        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID_TESTING }}
+        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY_TESTING }}
         aws-region: us-east-1
 
     - name: Post Results

.github/workflows/labeler.yml

@@ -0,0 +1,12 @@
+name: 'Pull Request Labeler'
+on:
+  - pull_request_target
+
+jobs:
+  labeler:
+    name: Pull Request Labeler
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v2.1.1
+        with:
+          repo-token: '${{ secrets.GITHUB_TOKEN }}'

.github/workflows/license_check.yml

@@ -2,25 +2,20 @@ name: Scancode
 
 on: [pull_request]
 
-permissions:
-  contents: read
-
 jobs:
   scancode_job:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     name: Scan code for licenses
     steps:
     - name: Checkout the code
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      with:
-        fetch-depth: 0
+      uses: actions/checkout@v1
     - name: Scan the code
       id: scancode
-      uses: zephyrproject-rtos/action_scancode@23ef91ce31cd4b954366a7b71eea47520da9b380 # v4
+      uses: zephyrproject-rtos/action_scancode@v3
       with:
         directory-to-scan: 'scan/'
     - name: Artifact Upload
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+      uses: actions/upload-artifact@v3
       with:
         name: scancode
         path: ./artifacts

.github/workflows/manifest.yml

@@ -1,45 +1,29 @@
 name: Manifest
 on:
   pull_request_target:
-
-permissions:
-  contents: read
+    paths:
+      - 'west.yml'
 
 jobs:
   contribs:
-    runs-on: ubuntu-24.04
-    permissions:
-      pull-requests: write # to create/update pull request comments
+    runs-on: ubuntu-22.04
     name: Manifest
     steps:
       - name: Checkout the code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@v3
         with:
           path: zephyrproject/zephyr
+          ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
           persist-credentials: false
 
-      - name: west setup
-        env:
-          BASE_REF: ${{ github.base_ref }}
-        working-directory: zephyrproject/zephyr
-        run: |
-          pip install -r scripts/requirements-west.txt --require-hashes
-          git config --global user.email "you@example.com"
-          git config --global user.name "Your Name"
-          west init -l . || true
-
       - name: Manifest
-        uses: zephyrproject-rtos/action-manifest@09983f53d3d878791aa37a7755ae44d695f4c1e5 # v2.0.0
+        uses: zephyrproject-rtos/action-manifest@2f1ad2908599d4fe747f886f9d733dd7eebae4ef
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           manifest-path: 'west.yml'
           checkout-path: 'zephyrproject/zephyr'
-          use-tree-checkout: 'true'
-          check-impostor-commits: 'true'
           label-prefix: 'manifest-'
           verbosity-level: '1'
-          labels: 'manifest'
-          dnm-labels: 'DNM (manifest)'
-          blobs-added-labels: 'Binary Blobs Added'
-          blobs-modified-labels: 'Binary Blobs Modified'
+          labels: 'manifest, west'
+          dnm-labels: 'DNM'

.github/workflows/pinned-gh-actions.yml

@@ -1,19 +0,0 @@
-name: Check SHA-pinned GitHub Actions
-
-on:
-  pull_request:
-    paths:
-      - '.github/workflows/**'
-
-permissions:
-  contents: read
-
-jobs:
-  check-sha-pinned-actions:
-    name: Verify GitHub Actions
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - name: Ensure SHA pinned actions
-        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@6124774845927d14c601359ab8138699fa5b70c3 # v4.0.1

.github/workflows/pr_metadata_check.yml

@@ -1,46 +0,0 @@
-name: PR Metadata Check
-
-on:
-  pull_request:
-    types:
-      - synchronize
-      - opened
-      - reopened
-      - labeled
-      - unlabeled
-
-permissions:
-  contents: read
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  do-not-merge:
-    name: Prevent Merging
-    runs-on: ubuntu-24.04
-    timeout-minutes: 30
-    steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python dependencies
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
-      - name: Run the check script
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          python -u scripts/ci/do_not_merge.py \
-          -p "${{ github.event.pull_request.number }}" \
-          -o "${{ github.event.repository.owner.login }}" \
-          -r "${{ github.event.repository.name }}"

.github/workflows/pylib_tests.yml

@@ -1,53 +0,0 @@
-# Copyright (c) 2023 Intel Corporation.
-# SPDX-License-Identifier: Apache-2.0
-
-name: Misc. Pylib Scripts TestSuite
-
-on:
-  push:
-    branches:
-    - main
-    - v*-branch
-    paths:
-    - 'scripts/pylib/build_helpers/**'
-    - '.github/workflows/pylib_tests.yml'
-  pull_request:
-    branches:
-    - main
-    - v*-branch
-    paths:
-    - 'scripts/pylib/build_helpers/**'
-    - '.github/workflows/pylib_tests.yml'
-
-permissions:
-  contents: read
-
-jobs:
-  pylib-tests:
-    name: Misc. Pylib Unit Tests
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13']
-        os: [ubuntu-24.04]
-    steps:
-    - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-      with:
-        python-version: ${{ matrix.python-version }}
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Install Python packages
-      run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-    - name: Run pytest for build_helpers
-      env:
-        ZEPHYR_BASE: ./
-        ZEPHYR_TOOLCHAIN_VARIANT: zephyr
-      run: |
-        echo "Run build_helpers tests"
-        PYTHONPATH=./scripts/tests pytest ./scripts/tests/build_helpers

.github/workflows/ready-to-merge.yml

@@ -1,31 +0,0 @@
-name: ready to merge
-
-on:
-  workflow_call:
-    inputs:
-      needs_context:
-        type: string
-        required: true
-
-permissions:
-  contents: read
-
-jobs:
-  all_jobs_passed:
-    name: all jobs passed
-    runs-on: ubuntu-latest
-    steps:
-      - name: "Check status of all required jobs"
-        run: |-
-          NEEDS_CONTEXT='${{ inputs.needs_context }}'
-          JOB_IDS=$(echo "$NEEDS_CONTEXT" | jq -r 'keys[]')
-          for JOB_ID in $JOB_IDS; do
-            RESULT=$(echo "$NEEDS_CONTEXT" | jq -r ".[\"$JOB_ID\"].result")
-            echo "$JOB_ID job result: $RESULT"
-            if [[ $RESULT != "success" && $RESULT != "skipped" ]]; then
-              echo "***"
-              echo "Error: The $JOB_ID job did not pass."
-              exit 1
-            fi
-          done
-          echo "All jobs passed or were skipped."

.github/workflows/release.yml

@@ -4,18 +4,12 @@ on:
   push:
     tags:
       - 'v*'
-      - '!v*rc*'
-
-permissions:
-  contents: read
 
 jobs:
   release:
-    runs-on: ubuntu-24.04
-    permissions:
-      contents: write # to create GitHub release entry
+    runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
@@ -23,39 +17,42 @@ jobs:
         id: get_version
         run: |
           echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
-          echo "TRIMMED_VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
 
       - name: REUSE Compliance Check
-        uses: fsfe/reuse-action@676e2d560c9a403aa252096d99fcab3e1132b0f5 # v6.0.0
+        uses: fsfe/reuse-action@v1
         with:
           args: spdx -o zephyr-${{ steps.get_version.outputs.VERSION }}.spdx
 
       - name: upload-results
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        continue-on-error: true
+        uses: actions/upload-artifact@v3
+        continue-on-error: True
         with:
           name: zephyr-${{ steps.get_version.outputs.VERSION }}.spdx
           path: zephyr-${{ steps.get_version.outputs.VERSION }}.spdx
 
-      - name: Create empty release notes body
+      - name: Get Diff since last tag
         run: |
-          echo "TODO: add release overview and notes link" > release-notes.txt
+          oldtag=$(git describe --abbrev=0 ${{ github.ref }}^)
+          echo "Changes since ${oldtag}:" > release-notes.txt
+          echo "" >> release-notes.txt
+          echo "" >> release-notes.txt
+          git shortlog ${oldtag}..${{ github.ref }} >> release-notes.txt
 
       - name: Create Release
         id: create_release
-        uses: actions/create-release@0cb9c9b65d5d1901c1f53e5e66eaf4afd303e70e # v1.1.4
+        uses: actions/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           tag_name: ${{ github.ref }}
-          release_name: Zephyr ${{ steps.get_version.outputs.TRIMMED_VERSION }}
+          release_name: Zephyr ${{ github.ref }}
           body_path: release-notes.txt
           draft: true
           prerelease: true
 
       - name: Upload Release Assets
         id: upload-release-asset
-        uses: actions/upload-release-asset@e8f9f06c4b078e705bd2ea027f0926603fc9b4d5 # v1.0.2
+        uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:

.github/workflows/scorecards.yml

@@ -1,61 +0,0 @@
-# This workflow uses actions that are not certified by GitHub. They are provided
-# by a third-party and are governed by separate terms of service, privacy
-# policy, and support documentation.
-
-name: Scorecards supply-chain security
-on:
-  # For Branch-Protection check. Only the default branch is supported. See
-  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
-  branch_protection_rule:
-  # To guarantee Maintained check is occasionally updated. See
-  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
-  schedule:
-    - cron: '43 7 * * 6'
-  push:
-    branches:
-      - main
-
-permissions: read-all
-
-jobs:
-  analysis:
-    name: Scorecard analysis
-    runs-on: ubuntu-latest
-    permissions:
-      # Needed for Code scanning upload
-      security-events: write
-      # Needed for GitHub OIDC token if publish_results is true
-      id-token: write
-
-    steps:
-      - name: "Checkout code"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-
-      - name: "Run analysis"
-        uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3
-        with:
-          results_file: results.sarif
-          results_format: sarif
-          # Publish results to OpenSSF REST API for easy access by consumers.
-          # - Allows the repository to include the Scorecard badge.
-          # - See https://github.com/ossf/scorecard-action#publishing-results.
-          publish_results: true
-
-      # Upload the results as artifacts (optional). Commenting out will disable
-      # uploads of run results in SARIF format to the repository Actions tab.
-      # https://docs.github.com/en/actions/advanced-guides/storing-workflow-data-as-artifacts
-      - name: "Upload artifact"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: SARIF file
-          path: results.sarif
-          retention-days: 5
-
-      # Upload the results to GitHub's code scanning dashboard (optional).
-      # Commenting out will disable upload of results to your repo's Code Scanning dashboard
-      - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@cdefb33c0f6224e58673d9004f47f7cb3e328b89 # v4.31.10
-        with:
-          sarif_file: results.sarif

.github/workflows/scripts_tests.yml

@@ -1,70 +0,0 @@
-# Copyright 2023 Google LLC
-# SPDX-License-Identifier: Apache-2.0
-
-name: Scripts tests
-
-on:
-  push:
-    branches:
-      - main
-      - v*-branch
-    paths:
-      - 'scripts/build/**'
-      - '.github/workflows/scripts_tests.yml'
-  pull_request:
-    branches:
-      - main
-      - v*-branch
-    paths:
-      - 'scripts/build/**'
-      - '.github/workflows/scripts_tests.yml'
-
-permissions:
-  contents: read
-
-jobs:
-  scripts-tests:
-    name: Scripts tests
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13']
-        os: [ubuntu-24.04]
-    steps:
-      - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-          fetch-depth: 0
-
-      - name: Rebase
-        continue-on-error: true
-        env:
-          BASE_REF: ${{ github.base_ref }}
-          PR_HEAD: ${{ github.event.pull_request.head.sha }}
-        run: |
-          git config --global user.email "actions@zephyrproject.org"
-          git config --global user.name "Github Actions"
-          rm -fr ".git/rebase-apply"
-          rm -fr ".git/rebase-merge"
-          git rebase origin/${BASE_REF}
-          git clean -f -d
-          git log --graph --oneline HEAD...${PR_HEAD}
-
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: ${{ matrix.python-version }}
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
-      - name: Run pytest
-        env:
-          ZEPHYR_BASE: ./
-        run: |
-          echo "Run script tests"
-          pytest ./scripts/build

.github/workflows/stale-workflow-queue-cleanup.yml

@@ -1,33 +0,0 @@
-name: Stale Workflow Queue Cleanup
-
-on:
-  workflow_dispatch:
-  schedule:
-  # everyday at 15:00
-  - cron: '0 15 * * *'
-
-permissions:
-  contents: read
-
-concurrency:
-  group: stale-workflow-queue-cleanup
-  cancel-in-progress: true
-
-jobs:
-  cleanup:
-    name: Cleanup
-    runs-on: ubuntu-24.04
-    if: github.ref == 'refs/heads/main'
-    permissions:
-      actions: write # to delete stale workflow runs
-
-    steps:
-    - name: Delete stale queued workflow runs
-      uses: MajorScruffy/delete-old-workflow-runs@78b5af714fefaefdf74862181c467b061782719e # v0.3.0
-      with:
-        repository: ${{ github.repository }}
-        # Remove any workflow runs in "queued" state for more than 1 day
-        older-than-seconds: 86400
-        status: queued
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/stale_issue.yml

@@ -3,33 +3,21 @@ on:
   schedule:
   - cron: "16 00 * * *"
 
-permissions:
-  contents: read
-
 jobs:
   stale:
     name: Find Stale issues and PRs
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-20.04
     if: github.repository == 'zephyrproject-rtos/zephyr'
-    permissions:
-      pull-requests: write # to comment on stale pull requests
-      issues: write        # to comment on stale issues
-
     steps:
-    - uses: actions/stale@997185467fa4f803885201cee163a9f38240193d # v10.1.1
+    - uses: actions/stale@v3
       with:
-        stale-pr-message: 'This pull request has been marked as stale because it has been open (more
-          than) 60 days with no activity. Remove the stale label or add a comment saying that you
-          would like to have the label removed otherwise this pull request will automatically be
-          closed in 14 days. Note, that you can always re-open a closed pull request at any time.'
-        stale-issue-message: 'This issue has been marked as stale because it has been open (more
-          than) 60 days with no activity. Remove the stale label or add a comment saying that you
-          would like to have the label removed otherwise this issue will automatically be closed in
-          14 days. Note, that you can always re-open a closed issue at any time.'
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-pr-message: 'This pull request has been marked as stale because it has been open (more than) 60 days with no activity. Remove the stale label or add a comment saying that you would like to have the label removed otherwise this pull request will automatically be closed in 14 days. Note, that you can always re-open a closed pull request at any time.'
+        stale-issue-message: 'This issue has been marked as stale because it has been open (more than) 60 days with no activity. Remove the stale label or add a comment saying that you would like to have the label removed otherwise this issue will automatically be closed in 14 days. Note, that you can always re-open a closed issue at any time.'
         days-before-stale: 60
         days-before-close: 14
         stale-issue-label: 'Stale'
         stale-pr-label: 'Stale'
         exempt-pr-labels: 'Blocked,In progress'
-        exempt-issue-labels: 'In progress,Enhancement,Feature,Feature Request,RFC,Meta,Process,Coverity'
+        exempt-issue-labels: 'In progress,Enhancement,Feature,Feature Request,RFC,Meta,Process'
         operations-per-run: 400

.github/workflows/stats_merged_prs.yml

@@ -1,38 +0,0 @@
-name: Merged PR stats
-
-on:
-  pull_request_target:
-    branches:
-      - main
-      - v*-branch
-    types: [closed]
-
-permissions:
-  contents: read
-
-jobs:
-  record_merged:
-    if: github.event.pull_request.merged == true && github.repository == 'zephyrproject-rtos/zephyr'
-    runs-on: ubuntu-24.04
-    steps:
-      - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
-      - name: PR event
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ELASTICSEARCH_KEY: ${{ secrets.ELASTICSEARCH_KEY }}
-          ELASTICSEARCH_SERVER: "https://elasticsearch.zephyrproject.io:443"
-          PR_STAT_ES_INDEX: ${{ vars.PR_STAT_ES_INDEX }}
-        run: |
-          python3 ./scripts/ci/stats/merged_prs.py --pull-request ${{ github.event.pull_request.number }} --repo ${{ github.repository }}

.github/workflows/twister-publish.yaml

@@ -1,64 +0,0 @@
-name: Publish Twister Test Results
-
-on:
-  workflow_run:
-    workflows: ["Run tests with twister"]
-    branches:
-      - main
-    types:
-      - completed
-
-permissions:
-  contents: read
-
-jobs:
-  upload-to-elasticsearch:
-    if: |
-      github.repository == 'zephyrproject-rtos/zephyr' &&
-      github.event.workflow_run.event != 'pull_request'
-    env:
-      ELASTICSEARCH_KEY: ${{ secrets.ELASTICSEARCH_KEY }}
-      ELASTICSEARCH_SERVER: "https://elasticsearch.zephyrproject.io:443"
-    runs-on: ubuntu-24.04
-    steps:
-      # Needed for elasticearch and upload script
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          fetch-depth: 0
-          persist-credentials: false
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
-      - name: Download Artifacts
-        id: download-artifacts
-        uses: dawidd6/action-download-artifact@0bd50d53a6d7fb5cb921e607957e9cc12b4ce392 # v12
-        with:
-          path: artifacts
-          workflow: twister.yml
-          run_id: ${{ github.event.workflow_run.id }}
-          if_no_artifact_found: ignore
-
-      - name: Upload to elasticsearch
-        if: steps.download-artifacts.outputs.found_artifact == 'true'
-        run: |
-          # set run date on upload to get consistent and unified data across the matrix.
-          run_date=`date --iso-8601=minutes`
-          if [ "${{github.event.workflow_run.event}}" = "push" ]; then
-            python3 ./scripts/ci/upload_test_results_es.py -r ${run_date} \
-            --run-attempt ${{github.run_attempt}} \
-            --run-branch ${{github.ref_name}} \
-            --index zephyr-main-ci-push-1 artifacts/*/*/twister.json
-          elif [ "${{github.event.workflow_run.event}}" = "schedule" ]; then
-            python3 ./scripts/ci/upload_test_results_es.py -r ${run_date} \
-            --run-attempt ${{github.run_attempt}} \
-            --run-branch ${{github.ref_name}} \
-            --index zephyr-main-ci-weekly-1 artifacts/*/*/twister.json
-          fi

.github/workflows/twister.yaml

@@ -5,18 +5,13 @@ on:
     branches:
       - main
       - v*-branch
-      - collab-*
-  pull_request:
+  pull_request_target:
     branches:
       - main
       - v*-branch
-      - collab-*
   schedule:
-    # Run at 02:00 UTC on every Sunday
-    - cron: '0 2 * * 0'
-
-permissions:
-  contents: read
+    # Run at 00:00 on Wednesday and Saturday
+    - cron: '0 0 * * 3,6'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
@@ -24,67 +19,55 @@ concurrency:
 
 jobs:
   twister-build-prep:
-    if: github.repository_owner == 'zephyrproject-rtos'
-    runs-on: ubuntu-24.04
+    runs-on: zephyr-runner-linux-x64-4xlarge
+    container:
+      image: zephyrprojectrtos/ci:v0.21.0
+      options: '--entrypoint /bin/bash'
+      volumes:
+        - /repo-cache/zephyrproject:/github/cache/zephyrproject
     outputs:
       subset: ${{ steps.output-services.outputs.subset }}
       size: ${{ steps.output-services.outputs.size }}
       fullrun: ${{ steps.output-services.outputs.fullrun }}
     env:
       MATRIX_SIZE: 10
-      PUSH_MATRIX_SIZE: 20
-      WEEKLY_MATRIX_SIZE: 200
-      BSIM_OUT_PATH: /opt/bsim/
-      BSIM_COMPONENTS_PATH: /opt/bsim/components
-      TESTS_PER_BUILDER: 900
+      PUSH_MATRIX_SIZE: 15
+      DAILY_MATRIX_SIZE: 80
+      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2
+      CLANG_ROOT_DIR: /usr/lib/llvm-12
+      TESTS_PER_BUILDER: 700
       COMMIT_RANGE: ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }}
       BASE_REF: ${{ github.base_ref }}
     steps:
+      - name: Clone cached Zephyr repository
+        if: github.event_name == 'pull_request_target'
+        continue-on-error: true
+        run: |
+          git clone --shared /github/cache/zephyrproject/zephyr .
+          git remote set-url origin ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
+
       - name: Checkout
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        if: github.event_name == 'pull_request_target'
+        uses: actions/checkout@v3
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
-          path: zephyr
           persist-credentials: false
 
-      - name: Set up Python
-        if: github.event_name == 'pull_request'
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: install-packages
-        working-directory: zephyr
-        if: github.event_name == 'pull_request'
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
-      - name: Setup Zephyr project
-        if: github.event_name == 'pull_request'
-        uses: zephyrproject-rtos/action-zephyr-setup@360ff9b36e58499d9eb28015cdcde7ca03a5b04d # v1.0.12
-        with:
-          app-path: zephyr
-          enable-ccache: false
-
       - name: Environment Setup
-        working-directory: zephyr
-        if: github.event_name == 'pull_request'
+        if: github.event_name == 'pull_request_target'
         run: |
+          pip3 install GitPython
           git config --global user.email "bot@zephyrproject.org"
           git config --global user.name "Zephyr Bot"
           rm -fr ".git/rebase-apply"
-          rm -fr ".git/rebase-merge"
           git rebase origin/${BASE_REF}
-          git clean -f -d
           git log  --pretty=oneline | head -n 10
+          west init -l . || true
+          # no need for west update here
 
       - name: Generate Test Plan with Twister
-        working-directory: zephyr
-        if: github.event_name == 'pull_request'
+        if: github.event_name == 'pull_request_target'
         id: test-plan
         run: |
           export ZEPHYR_BASE=${PWD}
@@ -95,83 +78,62 @@ jobs:
           else
             echo "TWISTER_NODES=${MATRIX_SIZE}" >> $GITHUB_ENV
           fi
-          rm -f testplan.json .testplan
+          rm -f testplan.csv .testplan
 
       - name: Determine matrix size
         id: output-services
         run: |
-          if [ "${{github.event_name}}" = "push" ]; then
-            subset="[$(seq -s',' 1 ${PUSH_MATRIX_SIZE})]"
-            size=${MATRIX_SIZE}
-          elif [ "${{github.event_name}}" = "pull_request" ]; then
+          if [ "${{github.event_name}}" = "pull_request_target" ]; then
             if [ -n "${TWISTER_NODES}" ]; then
               subset="[$(seq -s',' 1 ${TWISTER_NODES})]"
             else
               subset="[$(seq -s',' 1 ${MATRIX_SIZE})]"
             fi
             size=${TWISTER_NODES}
+          elif [ "${{github.event_name}}" = "push" ]; then
+            subset="[$(seq -s',' 1 ${PUSH_MATRIX_SIZE})]"
+            size=${MATRIX_SIZE}
           elif [ "${{github.event_name}}" = "schedule" -a "${{github.repository}}" = "zephyrproject-rtos/zephyr" ]; then
-            subset="[$(seq -s',' 1 ${WEEKLY_MATRIX_SIZE})]"
-            size=${WEEKLY_MATRIX_SIZE}
+            subset="[$(seq -s',' 1 ${DAILY_MATRIX_SIZE})]"
+            size=${DAILY_MATRIX_SIZE}
           else
             size=0
           fi
-
           echo "subset=${subset}" >> $GITHUB_OUTPUT
           echo "size=${size}" >> $GITHUB_OUTPUT
           echo "fullrun=${TWISTER_FULL}" >> $GITHUB_OUTPUT
 
   twister-build:
-    runs-on:
-      group: zephyr-runner-v2-linux-x64-4xlarge
+    runs-on: zephyr-runner-linux-x64-4xlarge
     needs: twister-build-prep
     if: needs.twister-build-prep.outputs.size != 0
     container:
-      image: ghcr.io/zephyrproject-rtos/ci-repo-cache:v0.28.7.20251127
+      image: zephyrprojectrtos/ci:v0.21.0
       options: '--entrypoint /bin/bash'
+      volumes:
+        - /repo-cache/zephyrproject:/github/cache/zephyrproject
     strategy:
       fail-fast: false
       matrix:
         subset: ${{fromJSON(needs.twister-build-prep.outputs.subset)}}
-    timeout-minutes: 1440
     env:
-      CCACHE_DIR: /node-cache/ccache-zephyr
-      CCACHE_REMOTE_STORAGE: "redis://cache-*.keydb-cache.svc.cluster.local|shards=1,2,3"
-      CCACHE_REMOTE_ONLY: "true"
-      # `--specs` is ignored because ccache is unable to resolve the toolchain specs file path.
-      CCACHE_IGNOREOPTIONS: '-specs=* --specs=*'
-      BSIM_OUT_PATH: /opt/bsim/
-      BSIM_COMPONENTS_PATH: /opt/bsim/components
-      TWISTER_COMMON: ' --test-config tests/test_config_ci.yaml --force-color --inline-logs -v -N -M --retry-failed 3 --timeout-multiplier 2 '
-      WEEKLY_OPTIONS: ' -M --build-only --all --show-footprint --report-filtered -j 32'
-      PR_OPTIONS: ' --clobber-output --integration -j 16'
-      PUSH_OPTIONS: ' --clobber-output -M --show-footprint --report-filtered -j 16'
+      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2
+      CLANG_ROOT_DIR: /usr/lib/llvm-12
+      TWISTER_COMMON: ' --inline-logs -v -N -M --retry-failed 3 '
+      DAILY_OPTIONS: ' -M --build-only --all '
+      PR_OPTIONS: ' --clobber-output --integration '
+      PUSH_OPTIONS: ' --clobber-output -M '
       COMMIT_RANGE: ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }}
       BASE_REF: ${{ github.base_ref }}
-      LLVM_TOOLCHAIN_PATH: /usr/lib/llvm-20
     steps:
-      - name: Print cloud service information
-        run: |
-          echo "ZEPHYR_RUNNER_CLOUD_PROVIDER = ${ZEPHYR_RUNNER_CLOUD_PROVIDER}"
-          echo "ZEPHYR_RUNNER_CLOUD_NODE = ${ZEPHYR_RUNNER_CLOUD_NODE}"
-          echo "ZEPHYR_RUNNER_CLOUD_POD = ${ZEPHYR_RUNNER_CLOUD_POD}"
-
-      - name: Apply container owner mismatch workaround
-        run: |
-          # FIXME: The owner UID of the GITHUB_WORKSPACE directory may not
-          #        match the container user UID because of the way GitHub
-          #        Actions runner is implemented. Remove this workaround when
-          #        GitHub comes up with a fundamental fix for this problem.
-          git config --global --add safe.directory ${GITHUB_WORKSPACE}
-
       - name: Clone cached Zephyr repository
         continue-on-error: true
         run: |
-          git clone --shared /repo-cache/zephyrproject/zephyr .
+          git clone --shared /github/cache/zephyrproject/zephyr .
           git remote set-url origin ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@v3
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
@@ -179,62 +141,58 @@ jobs:
 
       - name: Environment Setup
         run: |
-          if [ "${{github.event_name}}" = "pull_request" ]; then
+          pip3 install GitPython
+          if [ "${{github.event_name}}" = "pull_request_target" ]; then
             git config --global user.email "bot@zephyrproject.org"
             git config --global user.name "Zephyr Builder"
             rm -fr ".git/rebase-apply"
-            rm -fr ".git/rebase-merge"
             git rebase origin/${BASE_REF}
-            git clean -f -d
             git log  --pretty=oneline | head -n 10
           fi
           echo "$HOME/.local/bin" >> $GITHUB_PATH
-          echo "$HOME/.cargo/bin" >> $GITHUB_PATH
 
           west init -l . || true
-          west config manifest.group-filter -- +ci,+optional,+testing
           west config --global update.narrow true
-          west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.update.log || west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.update.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /repo-cache/zephyrproject)
+          west update --path-cache /github/cache/zephyrproject 2>&1 1> west.update.log || west update --path-cache /github/cache/zephyrproject 2>&1 1> west.update.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /github/cache/zephyrproject)
           west forall -c 'git reset --hard HEAD'
 
-          echo "ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-$( cat SDK_VERSION )" >> $GITHUB_ENV
-
       - name: Check Environment
         run: |
           cmake --version
+          ${CLANG_ROOT_DIR}/bin/clang --version
           gcc --version
-          cargo --version
-          rustup target list --installed
           ls -la
           echo "github.ref: ${{ github.ref }}"
           echo "github.base_ref: ${{ github.base_ref }}"
           echo "github.ref_name: ${{ github.ref_name }}"
 
-      - name: Install Python packages
+      - name: Prepare ccache timestamp/data
+        id: ccache_cache_timestamp
+        shell: cmake -P {0}
         run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-          west packages pip --install
+          string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
+          string(REPLACE "/" "_" repo ${{github.repository}})
+          string(REPLACE "-" "_" repo2 ${repo})
+          file(APPEND $ENV{GITHUB_OUTPUT} "repo=${repo2}\n")
 
-      - name: Set up ccache
-        run: |
-          mkdir -p ${CCACHE_DIR}
-          ccache -M 10G
-          ccache -p
-          ccache -z -s -vv
+      - name: use cache
+        id: cache-ccache
+        uses: nashif/action-s3-cache@master
+        with:
+          key: ${{ steps.ccache_cache_timestamp.outputs.repo }}-${{ github.ref_name }}-${{github.event_name}}-${{ matrix.subset }}-ccache
+          path: /github/home/.ccache
+          aws-s3-bucket: ccache.zephyrproject.org
+          aws-access-key-id: ${{ secrets.CCACHE_S3_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.CCACHE_S3_SECRET_ACCESS_KEY }}
+          aws-region: us-east-2
 
-      - name: Update BabbleSim to manifest revision
+      - name: ccache stats initial
         run: |
-          export BSIM_VERSION=$( west list bsim -f {revision} )
-          echo "Manifest points to bsim sha $BSIM_VERSION"
-          cd /opt/bsim_west/bsim
-          git fetch -n origin ${BSIM_VERSION}
-          git -c advice.detachedHead=false checkout ${BSIM_VERSION}
-          west update
-          make everything -s -j 8
+          test -d github/home/.ccache && rm -rf /github/home/.ccache && mv github/home/.ccache /github/home/.ccache
+          ccache -M 10G -s
 
       - if: github.event_name == 'push'
         name: Run Tests with Twister (Push)
-        id: run_twister
         run: |
           export ZEPHYR_BASE=${PWD}
           export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
@@ -246,15 +204,14 @@ jobs:
             fi
           fi
 
-      - if: github.event_name == 'pull_request'
+      - if: github.event_name == 'pull_request_target'
         name: Run Tests with Twister (Pull Request)
-        id: run_twister_pr
         run: |
-          rm -f testplan.json
+          rm -f testplan.csv
           export ZEPHYR_BASE=${PWD}
           export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
           python3 ./scripts/ci/test_plan.py -c origin/${BASE_REF}.. --pull-request
-          ./scripts/twister --subset ${{matrix.subset}}/${{ strategy.job-total }} --load-tests testplan.json ${TWISTER_COMMON} ${PR_OPTIONS}
+          ./scripts/twister --subset ${{matrix.subset}}/${{ strategy.job-total }} --load-tests testplan.csv ${TWISTER_COMMON} ${PR_OPTIONS}
           if [ "${{matrix.subset}}" = "1" -a ${{needs.twister-build-prep.outputs.fullrun}} = 'True' ]; then
             ./scripts/zephyr_module.py --twister-out module_tests.args
             if [ -s module_tests.args ]; then
@@ -263,140 +220,64 @@ jobs:
           fi
 
       - if: github.event_name == 'schedule'
-        name: Run Tests with Twister (Weekly)
-        id: run_twister_sched
+        name: Run Tests with Twister (Daily)
         run: |
           export ZEPHYR_BASE=${PWD}
           export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
-          ./scripts/twister --subset ${{matrix.subset}}/${{ strategy.job-total }} ${TWISTER_COMMON} ${WEEKLY_OPTIONS}
+          ./scripts/twister --subset ${{matrix.subset}}/${{ strategy.job-total }} ${TWISTER_COMMON} ${DAILY_OPTIONS}
           if [ "${{matrix.subset}}" = "1" ]; then
             ./scripts/zephyr_module.py --twister-out module_tests.args
             if [ -s module_tests.args ]; then
-              ./scripts/twister +module_tests.args --outdir module_tests ${TWISTER_COMMON} ${WEEKLY_OPTIONS}
+              ./scripts/twister +module_tests.args --outdir module_tests ${TWISTER_COMMON} ${DAILY_OPTIONS}
             fi
           fi
 
-      - name: Print ccache stats
-        if: always()
+      - name: ccache stats post
         run: |
-          ccache -s -vv
+          ccache -s
 
       - name: Upload Unit Test Results
         if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@v3
         with:
           name: Unit Test Results (Subset ${{ matrix.subset }})
           if-no-files-found: ignore
           path: |
             twister-out/twister.xml
-            twister-out/twister.json
-            module_tests/twister.xml
-            testplan.json
-
-      - if: matrix.subset == 1 && github.event_name == 'push'
-        name: Save the list of Python packages
-        shell: bash
-        run: |
-          FREEZE_FILE="frozen-requirements.txt"
-          timestamp="$(date)"
-          version="$(git describe --abbrev=12 --always)"
-          echo -e "# Generated at $timestamp ($version)\n" > $FREEZE_FILE
-          pip freeze | tee -a $FREEZE_FILE
-
-      - if: matrix.subset == 1 && github.event_name == 'push'
-        name: Upload the list of Python packages
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: Frozen PIP package set
-          path: |
-            frozen-requirements.txt
+            testplan.csv
 
   twister-test-results:
     name: "Publish Unit Tests Results"
-    needs:
-      - twister-build
-    runs-on: ubuntu-24.04
-    permissions:
-      checks: write # to create the check run entry with Twister test results
-    # the build-and-test job might be skipped, we don't need to run this job then
+    needs: twister-build
+    runs-on: ubuntu-20.04
+      # the build-and-test job might be skipped, we don't need to run this job then
     if: success() || failure()
 
     steps:
-      - name: Check out source code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-          fetch-depth: 0
-          persist-credentials: false
-
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
-
       - name: Download Artifacts
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@v2
         with:
           path: artifacts
 
       - name: Merge Test Results
         run: |
-          junitparser merge --glob 'artifacts/*/twister.xml' 'artifacts/*/*/twister.xml' junit.xml
+          pip3 install junitparser junit2html
+          junitparser merge artifacts/*/*/twister.xml junit.xml
           junit2html junit.xml junit.html
 
-      - name: Upload Unit Test Results
+      - name: Upload Unit Test Results in HTML
         if: always()
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@v3
         with:
-          name: Unit Test Results
+          name: HTML Unit Test Results
           if-no-files-found: ignore
           path: |
             junit.html
-            junit.xml
-
-      - name: Upload test results to Codecov
-        if: ${{ !cancelled() && (github.event_name == 'push') }}
-        uses: codecov/test-results-action@0fa95f0e1eeaafde2c782583b36b28ad0d8c77d3 # v1.2.1
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Publish Unit Test Results
-        uses: EnricoMi/publish-unit-test-result-action@27d65e188ec43221b20d26de30f4892fad91df2f # v2.22.0
+        uses: EnricoMi/publish-unit-test-result-action@v1
         with:
           check_name: Unit Test Results
+          github_token: ${{ secrets.GITHUB_TOKEN }}
           files: "**/twister.xml"
           comment_mode: off
-
-      - name: Analyze Twister Reports
-        if: needs.twister-build.result == 'failure'
-        run: |
-          ./scripts/ci/twister_report_analyzer.py artifacts/*/*/twister.json --long-summary --platforms --output-md errors.md
-          if [[ -s "errors.md" ]]; then
-            echo '### Error Summary! 🚀' >> $GITHUB_STEP_SUMMARY
-            cat errors.md  >> $GITHUB_STEP_SUMMARY
-          fi
-
-      - name: Upload Twister Analysis Results
-        if: needs.twister-build.result == 'failure'
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: Twister Analysis Results
-          if-no-files-found: ignore
-          path: |
-            twister_report_summary.json
-
-  twister-status-check:
-    if: always()
-    name: "Check Twister Status"
-    needs:
-      - twister-build-prep
-      - twister-build
-    uses: ./.github/workflows/ready-to-merge.yml
-    with:
-      needs_context: ${{ toJson(needs) }}

.github/workflows/twister_tests.yml

@@ -8,26 +8,20 @@ on:
     branches:
     - main
     - v*-branch
-    - collab-*
     paths:
-    - 'scripts/pylib/**'
+    - 'scripts/pylib/twister/**'
     - 'scripts/twister'
     - 'scripts/tests/twister/**'
     - '.github/workflows/twister_tests.yml'
-    - 'scripts/schemas/twister/'
   pull_request:
     branches:
     - main
     - v*-branch
     paths:
-    - 'scripts/pylib/**'
+    - 'scripts/pylib/twister/**'
     - 'scripts/twister'
     - 'scripts/tests/twister/**'
     - '.github/workflows/twister_tests.yml'
-    - 'scripts/schemas/twister/'
-
-permissions:
-  contents: read
 
 jobs:
   twister-tests:
@@ -35,35 +29,30 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13']
-        os: [ubuntu-24.04]
+        python-version: [3.6, 3.7, 3.8]
+        os: [ubuntu-20.04]
     steps:
     - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
+      uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Install Python packages
+    - name: cache-pip-linux
+      if: startsWith(runner.os, 'Linux')
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.python-version }}
+    - name: install-packages
       run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-
-    - name: Run pytest for twisterlib
+        pip3 install pytest colorama pyyaml ply mock
+    - name: Run pytest
       env:
         ZEPHYR_BASE: ./
         ZEPHYR_TOOLCHAIN_VARIANT: zephyr
       run: |
         echo "Run twister tests"
         PYTHONPATH=./scripts/tests pytest ./scripts/tests/twister
-    - name: Run pytest for pytest-twister-harness
-      env:
-        ZEPHYR_BASE: ./
-        ZEPHYR_TOOLCHAIN_VARIANT: zephyr
-        PYTHONPATH: ./scripts/pylib/pytest-twister-harness/src:${PYTHONPATH}
-      run: |
-        echo "Run twister tests"
-        pytest ./scripts/pylib/pytest-twister-harness/tests

.github/workflows/twister_tests_blackbox.yml

@@ -1,66 +0,0 @@
-# Copyright (c) 2023 Intel Corporation.
-# SPDX-License-Identifier: Apache-2.0
-
-name: Twister BlackBox TestSuite
-
-on:
-  pull_request:
-    branches:
-    - main
-    - collab-*
-    - v*-branch
-    paths:
-    - 'scripts/pylib/twister/**'
-    - 'scripts/twister'
-    - 'scripts/tests/twister_blackbox/**'
-    - '.github/workflows/twister_tests_blackbox.yml'
-
-permissions:
-  contents: read
-
-env:
-  PYTHONIOENCODING: utf-8
-
-jobs:
-  twister-tests:
-    name: Twister Black Box Tests
-    strategy:
-      matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13']
-      fail-fast: false
-    runs-on: ubuntu-24.04
-    steps:
-    - name: Checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      with:
-        path: zephyr
-        fetch-depth: 0
-
-    - name: Set Up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-      with:
-        python-version: ${{ matrix.python-version }}
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Setup Zephyr project
-      uses: zephyrproject-rtos/action-zephyr-setup@360ff9b36e58499d9eb28015cdcde7ca03a5b04d # v1.0.12
-      with:
-        app-path: zephyr
-        toolchains: 'arm-zephyr-eabi:riscv64-zephyr-elf:x86_64-zephyr-elf'
-        enable-ccache: false
-        west-group-filter: -tools,-bootloader,-babblesim,-hal
-        west-project-filter: -nrf_hw_models,+cmsis,+hal_xtensa,+cmsis_6
-
-    - name: Run Pytest For Twister Black Box Tests
-      working-directory: zephyr
-      shell: bash
-      env:
-        ZEPHYR_BASE: ./
-        ZEPHYR_TOOLCHAIN_VARIANT: zephyr
-      run: |
-        export ZEPHYR_SDK_INSTALL_DIR=${{ github.workspace }}/zephyr-sdk
-        sudo apt-get install -y lcov
-        echo "Run twister tests"
-        source zephyr-env.sh
-        PYTHONPATH="./scripts/tests" pytest ./scripts/tests/twister_blackbox/

.github/workflows/west_cmds.yml

@@ -8,7 +8,6 @@ on:
     branches:
     - main
     - v*-branch
-    - collab-*
     paths:
     - 'scripts/west-commands.yml'
     - 'scripts/west_commands/**'
@@ -17,43 +16,64 @@ on:
     branches:
     - main
     - v*-branch
-    - collab-*
     paths:
     - 'scripts/west-commands.yml'
     - 'scripts/west_commands/**'
     - '.github/workflows/west_cmds.yml'
 
-permissions:
-  contents: read
-
 jobs:
-  west-commands:
+  west-commnads:
     name: West Command Tests
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13']
-        os: [ubuntu-22.04, macos-14, windows-2022]
+        python-version: [3.6, 3.7, 3.8]
+        os: [ubuntu-20.04, macos-11, windows-2022]
+        exclude:
+          - os: macos-11
+            python-version: 3.6
+          - os: windows-2022
+            python-version: 3.6
     steps:
     - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
+      uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-        cache: pip
-        cache-dependency-path: scripts/requirements-actions.txt
-
-    - name: Install Python packages
+    - name: cache-pip-linux
+      if: startsWith(runner.os, 'Linux')
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.python-version }}
+    - name: cache-pip-mac
+      if: startsWith(runner.os, 'macOS')
+      uses: actions/cache@v3
+      with:
+        path: ~/Library/Caches/pip
+        # Trailing '-' was just to get a different cache name
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}-
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.python-version }}-
+    - name: cache-pip-win
+      if: startsWith(runner.os, 'Windows')
+      uses: actions/cache@v3
+      with:
+        path: ~\AppData\Local\pip\Cache
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.python-version }}
+    - name: install pytest
       run: |
-        pip install -r scripts/requirements-actions.txt --require-hashes
-
+        pip3 install wheel
+        pip3 install pytest west pyelftools canopen progress mypy intelhex psutil
     - name: run pytest-win
       if: runner.os == 'Windows'
       run: |
         python ./scripts/west_commands/run_tests.py
-
     - name: run pytest-mac-linux
       if: runner.os != 'Windows'
       run: |

.gitignore

@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: Apache-2.0
-# SPDX-FileCopyrightText: Copyright The Zephyr Project Contributors
-
 *.o
 *.a
 *.d
@@ -10,16 +7,9 @@
 *.swp
 *.swo
 *~
-
-# Emacs
-\#*\#
-
 build*/
-!doc/build/
-!scripts/build
-!share/sysbuild/build
+!doc/guides/build
 !tests/drivers/build_all
-!scripts/pylib/build_helpers
 cscope.*
 .dir
 
@@ -33,8 +23,6 @@ outdir
 outdir-*
 scripts/basic/fixdep
 scripts/gen_idt/gen_idt
-coverage-report
-doc-coverage.info
 doc/_build
 doc/doxygen
 doc/xml
@@ -45,10 +33,7 @@ doc/latex
 doc/themes/zephyr-docs-theme
 sanity-out*
 twister-out*
-bsim_out
 bsim_bt_out
-myresults.xml
-tests/RunResults.xml
 scripts/grub
 doc/reference/kconfig/*.rst
 doc/doc.warnings
@@ -59,25 +44,10 @@ doc/doc.warnings
 hide-defaults-note
 venv
 .venv
-.envrc
 .DS_Store
-.clangd
-new.info
-
-# Cargo drops lock files in projects to capture resolved dependencies.
-# We don't want to record these.
-Cargo.lock
-
-# Cargo encourages a .cargo/config.toml file to symlink to a generated file.  Don't save these.
-.cargo/
-
-# Normal west builds will place the Rust target directory under the build directory.  However,
-# sometimes IDEs and such will litter these target directories as well.
-target/
 
 # CI output
 compliance.xml
-dts_linter.patch
 _error.types
 
 # Tag files
@@ -88,39 +58,3 @@ TAGS
 tags
 
 .idea
-
-# from check_compliance.py
-# zephyr-keep-sorted-start
-BinaryFiles.txt
-BoardYml.txt
-Checkpatch.txt
-ClangFormat.txt
-DevicetreeBindings.txt
-DevicetreeLinting.txt
-GitDiffCheck.txt
-Gitlint.txt
-Identity.txt
-ImageSize.txt
-Kconfig.txt
-KconfigBasic.txt
-KconfigBasicNoModules.txt
-KconfigHWMv2.txt
-KeepSorted.txt
-LicenseAndCopyrightCheck.txt
-MaintainersFormat.txt
-ModulesMaintainers.txt
-Nits.txt
-Pylint.txt
-PythonCompat.txt
-Ruff.txt
-SphinxLint.txt
-SysbuildKconfig.txt
-SysbuildKconfigBasic.txt
-SysbuildKconfigBasicNoModules.txt
-TextEncoding.txt
-YAMLLint.txt
-ZephyrModuleFile.txt
-# zephyr-keep-sorted-stop
-
-# Node dependecies
-node_modules

.gitlint

@@ -1,7 +1,5 @@
 # All these sections are optional, edit this file as you like.
-# Zephyr-specific defaults are located in scripts/gitlint/zephyr_commit_rules.py
 [general]
-regex-style-search=true
 ignore=title-trailing-punctuation, T3, title-max-length, T1, body-hard-tab, B3, B1
 # verbosity should be a value between 1 and 3, the commandline -v flags take precedence over this
 verbosity = 3
@@ -18,16 +16,16 @@ debug = false
 extra-path=scripts/gitlint
 
 [title-max-length-no-revert]
-# line-length=75
+line-length=75
 
 [body-min-line-count]
-# min-line-count=1
+min-line-count=1
 
 [body-max-line-count]
-# max-line-count=200
+max-line-count=200
 
 [title-starts-with-subsystem]
-regex = ^(?!subsys:)(?!treewide:)(([^:]+):)(\s([^:]+):)*\s(.+)$
+regex = ^(?!subsys:)(([^:]+):)(\s([^:]+):)*\s(.+)$
 
 [title-must-not-contain-word]
 # Comma-separated list of words that should not occur in the title. Matching is case
@@ -44,7 +42,7 @@ words=wip
 
 [max-line-length-with-exceptions]
 # B1 = body-max-line-length
-# line-length=75
+line-length=75
 
 [body-min-length]
 min-length=3
@@ -60,7 +58,3 @@ ignore-merge-commits=false
 # By specifying this rule, developers can only change the file when they explicitly reference
 # it in the commit message.
 #files=gitlint/rules.py,README.md
-
-[ignore-by-author-name]
-regex=^dependabot\[bot\]$
-ignore=all

.mailmap

@@ -1,124 +1,35 @@
-Alexandr Kolosov <rikorsev@gmail.com>
-Alexandre d'Alton <alexandre.dalton@intel.com>
-Amir Kaplan <amir.kaplan@intel.com>
-Anas Nashif <anas.nashif@intel.com>
-Andrzej Kuroś <andrzej.kuros@nordicsemi.no>
-Anthony Smigielski <thebasti0ncode@gmail.com>
-Armand Ciejak <armand@riedonetworks.com>  <armandciejak@users.noreply.github.com>
-Aska Wu <aska.wu@linaro.org>
-Bit Pathe <bitpathe@gmail.com>
-Bjarki Arge Andreasen <baa@trackunit.com>
-Carles Cufi <carles.cufi@nordicsemi.no>
-chao an <anchao@xiaomi.com>
-Charles E. Youse <charles.youse@intel.com>
-Chen Xingyu <hi@xingrz.me>
-Christoph Schnetzler <christoph.schnetzler@husqvarnagroup.com>
-Christoph Schramm <schramm@makaio.com>
-Christopher Friedt <cfriedt@meta.com>
-Christopher Friedt <cfriedt@meta.com> <cfriedt@fb.com>
-Chuck Jordan <cjordan@synopsys.com>
-Chunlin Han <chunlin.han@linaro.org> <chunlin.han@acer.com>
-David B. Kinder <david.b.kinder@intel.com>
-David Komel <a8961713@gmail.com>
-David Leach <david.leach@nxp.com>
-Dirk Brandewie <dirk.j.brandewie@intel.com>
-Douglas Su <d0u9.su@outlook.com>
-Enjia Mai <enjia.mai@intel.com>
-Enjia Mai <enjia.mai@intel.com>
-Evan Couzens <evanx.couzens@intel.com>
-Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
-Evgeniy Paltsev <PaltsevEvgeniy@gmail.com> <Eugeniy.Paltsev@synopsys.com>
-Felipe Neves <ryukokki.felipe@gmail.com>
-Findlay Feng <i@fengch.me>
-Flavio Arieta Netto <flavio@exati.com.br>
-Francois Ramu <francois.ramu@st.com>
-Gerardo Aceves <gerardo.aceves@intel.com>
-Gregory Shue <gregory.shue@legrand.com>
-Gregory Shue <gregory.shue@legrand.com> <gregory.shue@legrand.us>
-HaiLong Yang <cameledyang@pm.me>
-James Johnson <james.johnson672@t-mobile.com>
-Jarno Lämsä <jarno.lamsa@nordicsemi.no>
-Jędrzej Ciupis <jedrzej.ciupis@nordicsemi.no>
-Jeremie Garcia <jeremie.garcia@intel.com>
-Jim Benjamin Luther <jilu@oticon.com>
-Johan Kruger <johan.kruger@windriver.com>
-Johann Fischer <j.fischer@phytec.de>
-Jørgen Kvalvaag <jorgen.kvalvaag@nordicsemi.no>
-Juan Manuel Cruz Alcaraz <juan.m.cruz.alcaraz@intel.com>
-Juan Solano <juanx.solano.menacho@intel.com>
-Julien D'Ascenzio <julien.dascenzio@paratronic.fr>
-Jun Li <jun.r.li@intel.com>
-Justin Watson <jwatson5@gmail.com>
-Kamil Sroka <kamil.sroka@nordicsemi.no>
-Katarzyna Giądła <katarzyna.giadla@nordicsemi.no>
-Keren Siman-Tov <keren.siman-tov@intel.com>
-Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
-Kuo-Lang Tseng <kuo-lang.tseng@intel.com>
-Lei Liu <lei.a.liu@intel.com>
-Leona Cook <leonax.cook@intel.com>
+Dirk Brandewie <dirk.j.brandewie@intel.com> <dirk.j.brandewie@intel.com>
+Mike Hirst <michael.hirst@windriver.com> <michael.hirst@windriver.com>
+Johan Kruger <johan.kruger@windriver.com> <johan.kruger@windriver.com>
 Leona Cook <leonax.cook@intel.com> <lsc@hackeress.com>
-Lixin Guo <lixinx.guo@intel.com>
-Łukasz Mazur <lukasz.mazur@hidglobal.com>
-Manuel Argüelles <manuel.arguelles@nxp.com>
-Manuel Argüelles <manuel.arguelles@nxp.com> <manuel.arguelles@coredumplabs.com>
-Manuel Argüelles <manuel.arguelles@nxp.com> <marguelles.dev@gmail.com>
-Marc Herbert <marc.herbert@intel.com> <46978960+marc-hb@users.noreply.github.com>
-Marin Jurjević <marin.jurjevic@hotmail.com>
-Mariusz Ryndzionek <mariusz.ryndzionek@firmwave.com>
-Mariusz Skamra <mariusz.skamra@codecoup.pl>
-Mariusz Skamra <mariusz.skamra@codecoup.pl> <mariusz.skamra@tieto.com>
-Martí Bolívar <marti.bolivar@nordicsemi.no>
-Martí Bolívar <marti.bolivar@nordicsemi.no> <marti.bolivar@linaro.org>
-Martí Bolívar <marti.bolivar@nordicsemi.no> <marti.f.bolivar@gmail.com>
-Martí Bolívar <marti.bolivar@nordicsemi.no> <marti@foundries.io>
-Martí Bolívar <marti.bolivar@nordicsemi.no> <marti@opensourcefoundries.com>
-Martin Jäger <martin@libre.solar> <17674105+martinjaeger@users.noreply.github.com>
-Mateusz Hołenko <mholenko@antmicro.com>
-Michael Rosen <michael.r.rosen@intel.com>
-Michal Narajowski <michal.narajowski@codecoup.pl>
-Mike Hirst <michael.hirst@windriver.com>
-Ming Shao <ming.shao@intel.com>
-Mohan Kumar Kumar <mohankm@fb.com>
-Naga Raja Rao Tulasi <tulasi.r@tcs.com>
-Navin Sankar Velliangiri <navin@linumiz.com>
-NingX Zhao <ningx.zhao@intel.com>
+Leona Cook <leonax.cook@intel.com> <leonax.cook@intel.com>
+Thomas Heeley <thomas.heeley@intel.com> <thomas.heeley@intel.com>
+Shuang He <shuang.he@intel.com> <shuang.he@intel.com>
+Chuck Jordan <cjordan@synopsys.com> <cjordan@synopsys.com>
+Jeremie Garcia <jeremie.garcia@intel.com> <jeremie.garcia@intel.com>
+Bit Pathe <bitpathe@gmail.com> <bitpathe@gmail.com>
+Carles Cufi <carles.cufi@nordicsemi.no> <carles.cufi@nordicsemi.no>
+Kuo-Lang Tseng <kuo-lang.tseng@intel.com> <kuo-lang.tseng@intel.com>
+Gerardo Aceves <gerardo.aceves@intel.com> <gerardo.aceves@intel.com>
+Evan Couzens <evanx.couzens@intel.com> <evanx.couzens@intel.com>
+Lei Liu <lei.a.liu@intel.com> <lei.a.liu@intel.com>
+Douglas Su <d0u9.su@outlook.com> <d0u9.su@outlook.com>
+Keren Siman-Tov <keren.siman-tov@intel.com> <keren.siman-tov@intel.com>
+Naga Raja Rao Tulasi <tulasi.r@tcs.com> <tulasi.r@tcs.com>
+Felipe Neves <ryukokki.felipe@gmail.com> <ryukokki.felipe@gmail.com>
+Amir Kaplan <amir.kaplan@intel.com> <amir.kaplan@intel.com>
+Anas Nashif <anas.nashif@intel.com> <anas.nashif@intel.com>
+Ruud Derwig <Ruud.Derwig@synopsys.com> <Ruud.Derwig@synopsys.com>
+Flavio Arieta Netto <flavio@exati.com.br>
 Nishikant Nayak <nishikantax.nayak@intel.com>
-Ole Sæther <ole.saether@nordicsemi.no>
-Pavel Král <pavel.kral@omsquare.com>
-Pavel Vasilyev <pavel.vasilyev@nordicsemi.no>
-Paweł Czarnecki <pczarnecki@antmicro.com>
-Paweł Czarnecki <pczarnecki@antmicro.com>
-Paweł Czarnecki <pczarnecki@antmicro.com> <pczarnecki@internships.antmicro.com>
-Paweł Kwiek <pawel.kwiek@nordicsemi.no>
-Peng Chen <peng1.chen@intel.com>
-Peter Bigot <peter.bigot@nordicsemi.no>
-Peter Bigot <peter.bigot@nordicsemi.no> <pab@pabigot.com>
-Peter Johanson <peter@peterjohanson.com>
-Piyush Itankar <piyush.t.itankar@intel.com>
-Radosław Koppel <radoslaw.koppel@nordicsemi.no>
-Radosław Koppel <radoslaw.koppel@nordicsemi.no> <r.koppel@k-el.com>
-Raja D. Singh <rdsingh@iotwizards.com>
-Ricardo Salveti <ricardo@opensourcefoundries.com>
-Ricardo Salveti <ricardo@opensourcefoundries.com> <ricardo.salveti@linaro.org>
-Ruud Derwig <Ruud.Derwig@synopsys.com>
-Saku Rautio <saku.rautio@nordicsemi.no>
-Scott Worley <scott.worley@microchip.com>
-Sean Nyekjaer <sean@geanix.com> <sean.nyekjaer@prevas.dk>
-Sean Nyekjaer <sean@geanix.com> <sean@nyekjaer.dk>
-Sharron Liu <sharron.liu@intel.com>
-Shilpashree L C <shilpashree.lc@intel.com>
-Shuang He <shuang.he@intel.com>
-Sigvart Hovland <sigvart.hovland@nordicsemi.no>
-Stéphane D'Alu <sdalu@sdalu.com>
-Stine Åkredalen <stine.akredalen@nordicsemi.no>
-Thomas Heeley <thomas.heeley@intel.com>
-Tim Sørensen <tims@demant.com>
-Tim Sørensen <tims@demant.com> <tims@oticon.com>
-Vinayak Kariappa Chettimada <vinayak.kariappa.chettimada@nordicsemi.no>
-Vinayak Kariappa Chettimada <vinayak.kariappa.chettimada@nordicsemi.no> <vich@nordicsemi.no>
-Vinayak Kariappa Chettimada <vinayak.kariappa.chettimada@nordicsemi.no> <vinayak.kariappa@gmail.com>
+Justin Watson <jwatson5@gmail.com>
+Johann Fischer <j.fischer@phytec.de>
+Jun Li <jun.r.li@intel.com>
 Xiaorui Hu <xiaorui.hu@linaro.org>
 Yannis Damigos <giannis.damigos@gmail.com> <ydamigos@iccs.gr>
-Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
-Yonattan Louise <yonattan.a.louise.mendoza@intel.com> <yonattan.a.louise.mendoza@linux.intel.com>
-YouhuaX Zhu <youhuax.zhu@intel.com>
+Vinayak Kariappa Chettimada <vinayak.kariappa.chettimada@nordicsemi.no> <vinayak.kariappa.chettimada@nordicsemi.no> <vich@nordicsemi.no> <vinayak.kariappa@gmail.com>
+Sean Nyekjaer <sean@geanix.com> <sean.nyekjaer@prevas.dk>
+Sean Nyekjaer <sean@geanix.com> <sean@nyekjaer.dk>
+Marc Herbert <marc.herbert@intel.com> <46978960+marc-hb@users.noreply.github.com>
+Martin Jäger <martin@libre.solar>  <17674105+martinjaeger@users.noreply.github.com>
+Armand Ciejak <armand@riedonetworks.com>  <armandciejak@users.noreply.github.com>

.ruff.toml

@@ -1,30 +0,0 @@
-# Copyright (c) 2024 Basalte bv
-# SPDX-License-Identifier: Apache-2.0
-
-extend = ".ruff-excludes.toml"
-
-line-length = 100
-target-version = "py310"
-
-[lint]
-select = [
-    # zephyr-keep-sorted-start
-    "B",      # flake8-bugbear
-    "E",      # pycodestyle
-    "F",      # pyflakes
-    "I",      # isort
-    "SIM",    # flake8-simplify
-    "UP",     # pyupgrade
-    "W",      # pycodestyle warnings
-    # zephyr-keep-sorted-stop
-]
-
-ignore = [
-    # zephyr-keep-sorted-start
-    "SIM108", # Allow if-else blocks instead of forcing ternary operator
-    # zephyr-keep-sorted-stop
-]
-
-[format]
-quote-style = "preserve"
-line-ending = "lf"

.uncrustify.cfg

@@ -0,0 +1,87 @@
+indent_with_tabs    = 2     # 1=indent to level only, 2=indent with tabs
+input_tab_size      = 8     # original tab size
+output_tab_size     = 8     # new tab size
+indent_columns      = output_tab_size
+indent_label        = 1     # pos: absolute col, neg: relative column
+indent_switch_case  = 0     # number
+
+#
+# inter-symbol newlines
+#
+
+nl_enum_brace       = remove    # "enum {" vs "enum \n {"
+nl_union_brace      = remove    # "union {" vs "union \n {"
+nl_struct_brace     = remove    # "struct {" vs "struct \n {"
+nl_do_brace         = remove    # "do {" vs "do \n {"
+nl_if_brace         = remove    # "if () {" vs "if () \n {"
+nl_for_brace        = remove    # "for () {" vs "for () \n {"
+nl_else_brace       = remove    # "else {" vs "else \n {"
+nl_while_brace      = remove    # "while () {" vs "while () \n {"
+nl_switch_brace     = remove    # "switch () {" vs "switch () \n {"
+nl_brace_while      = remove    # "} while" vs "} \n while" - cuddle while
+nl_brace_else       = remove    # "} \n else" vs "} else"
+nl_func_var_def_blk = 1
+nl_fcall_brace      = remove    # "list_for_each() {" vs "list_for_each()\n{"
+nl_fdef_brace       = add       # "int foo() {" vs "int foo()\n{"
+
+#
+# End of file behavior
+#
+
+nl_end_of_file      = force     # string (add/force/ignore/remove)
+nl_end_of_file_min  = 1         # The min number of newlines at end of file
+
+#
+# Source code modifications
+#
+
+mod_paren_on_return = ignore    # "return 1;" vs "return (1);"
+mod_full_brace_if   = add       # "if() { } else { }" vs "if() else"
+
+#
+# inter-character spacing options
+#
+
+sp_sizeof_paren     = remove    # "sizeof (int)" vs "sizeof(int)"
+sp_before_sparen    = force     # "if (" vs "if("
+sp_after_sparen     = force     # "if () {" vs "if (){"
+sp_inside_braces    = add       # "{ 1 }" vs "{1}"
+sp_inside_braces_struct = add   # "{ 1 }" vs "{1}"
+sp_inside_braces_enum   = add   # "{ 1 }" vs "{1}"
+sp_assign           = add
+sp_arith            = add
+sp_bool             = add
+sp_compare          = add
+sp_assign           = add
+sp_after_comma      = add
+sp_func_def_paren   = remove    # "int foo (){" vs "int foo(){"
+sp_func_call_paren  = remove    # "foo (" vs "foo("
+sp_func_proto_paren = remove    # "int foo ();" vs "int foo();"
+sp_inside_fparen    = remove    # "func( arg )" vs "func(arg)"
+sp_else_brace       = add       # ignore/add/remove/force
+sp_before_ptr_star  = add       # ignore/add/remove/force
+sp_after_ptr_star   = remove    # ignore/add/remove/force
+sp_between_ptr_star = remove    # ignore/add/remove/force
+sp_inside_paren     = remove    # remove spaces inside parens
+sp_paren_paren      = remove    # remove spaces between nested parens
+sp_inside_sparen    = remove    # remove spaces inside parens for if, while and the like
+sp_brace_else       = add       # ignore/add/remove/force
+sp_before_nl_cont   = ignore
+sp_cmt_cpp_start    = add
+sp_brace_typedef    = add       # }typedefd_name -> } typedefd_name
+
+cmt_sp_after_star_cont          = 1
+#
+# Aligning stuff
+#
+
+align_with_tabs     = FALSE     # use tabs to align
+align_on_tabstop    = TRUE      # align on tabstops
+align_enum_equ_span = 4         # '=' in enum definition
+align_struct_init_span  = 0     # align stuff in a structure init '= { }'
+align_right_cmt_span    = 3
+align_nl_cont	    = TRUE
+
+
+
+sp_pp_concat                              = ignore      # ignore/add/remove/force

.yamllint

@@ -1,16 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-
-extends: default
-
-rules:
-  line-length:
-    max: 100
-  comments:
-    min-spaces-from-content: 1
-  indentation:
-    spaces: 2
-    indent-sequences: consistent
-  document-start:
-    present: false
-  truthy:
-    check-keys: false

CODEOWNERS

@@ -1,4 +1,799 @@
-# Instead of the CODEOWNERS file, The Zephyr Project uses a custom format.
-# See MAINTAINERS.yml for details.
-#
-# DO NOT EDIT THIS FILE.
+# CODEOWNERS for autoreview assigning in github
+
+# https://help.github.com/en/articles/about-code-owners#codeowners-syntax
+
+# Order is important; for each modified file, the last matching
+# pattern takes the most precedence.
+# That is, with the last pattern being
+# *.rst                                     @nashif
+# if only .rst files are being modified, only nashif is
+# automatically requested for review, but you can manually
+# add others as needed.
+
+# Do not use wildcard on all source yet
+# *                                        @galak @nashif
+
+/.github/				  @nashif
+/.github/workflows/                       @galak @nashif
+/MAINTAINERS.yml                          @MaureenHelm
+/arch/arc/                                @abrodkin @ruuddw @evgeniy-paltsev
+/arch/arm/                                @MaureenHelm @galak @ioannisg
+/arch/arm/core/aarch32/cortex_m/cmse/     @ioannisg
+/arch/arm/include/aarch32/cortex_m/cmse.h @ioannisg
+/arch/arm/core/aarch32/cortex_a_r/        @MaureenHelm @galak @ioannisg @bbolen @stephanosio
+/arch/arm64/                              @carlocaione
+/arch/arm64/core/cortex_r/                @povergoing
+/arch/arm64/core/xen/                     @lorc @firscity
+/arch/common/                             @ioannisg @andyross
+/arch/mips/                               @frantony
+/soc/arc/snps_*/                          @abrodkin @ruuddw @evgeniy-paltsev
+/soc/nios2/                               @nashif
+/soc/arm/                                 @MaureenHelm @galak @ioannisg
+/soc/arm/arm/mps2/                        @fvincenzo
+/soc/arm/atmel_sam/common/*_sam4l_*.c     @nandojve
+/soc/arm/atmel_sam/sam3x/                 @ioannisg
+/soc/arm/atmel_sam/sam4e/                 @nandojve
+/soc/arm/atmel_sam/sam4l/                 @nandojve
+/soc/arm/atmel_sam/sam4s/                 @fallrisk
+/soc/arm/atmel_sam/same70/                @nandojve
+/soc/arm/atmel_sam/samv71/                @nandojve
+/soc/arm/cypress/                         @nandojve
+/soc/arm/bcm*/                            @sbranden
+/soc/arm/gigadevice/                      @nandojve
+/soc/arm/infineon_xmc/                    @parthitce
+/soc/arm/nxp*/                            @mmahadevan108 @dleach02
+/soc/arm/nordic_nrf/                      @anangl
+/soc/arm/nuvoton_npcx/                    @MulinChao @WealianLiao @ChiHuaL
+/soc/arm/nuvoton_numicro/                 @ssekar15
+/soc/arm/quicklogic_eos_s3/               @kowalewskijan @kgugala
+/soc/arm/rpi_pico/                        @yonsch
+/soc/arm/silabs_exx32/efm32pg1b/          @rdmeneze
+/soc/arm/silabs_exx32/efr32mg21/          @l-alfred
+/soc/arm/st_stm32/                        @erwango
+/soc/arm/st_stm32/*/power.c               @FRASTM
+/soc/arm/st_stm32/stm32mp1/               @arnopo
+/soc/arm/ti_simplelink/cc13x2_cc26x2/     @bwitherspoon
+/soc/arm/ti_simplelink/cc32xx/            @vanti
+/soc/arm/ti_simplelink/msp432p4xx/        @Mani-Sadhasivam
+/soc/arm/xilinx_zynq7000/                 @ibirnbaum
+/soc/arm/xilinx_zynqmp/                   @stephanosio
+/soc/arm/renesas_rcar/                    @julien-massot
+/soc/xtensa/intel_s1000/                  @sathishkuttan @dcpleung
+/soc/arm64/                               @carlocaione
+/soc/arm64/qemu_cortex_a53/               @carlocaione
+/soc/arm64/bcm_vk/                        @abhishek-brcm
+/soc/arm64/nxp_layerscape/                @JiafeiPan
+/soc/arm64/xenvm/                         @lorc @firscity
+/soc/arm64/arm/                           @povergoing
+/soc/arm64/arm/fvp_aemv8a/                @carlocaione
+/submanifests/*                           @mbolivar-nordic
+/arch/x86/                                @jhedberg @nashif @jenmwms @aasthagr
+/arch/nios2/                              @nashif
+/arch/posix/                              @aescolar @daor-oti
+/arch/riscv/                              @kgugala @pgielda
+/soc/mips/                                @frantony
+/soc/posix/                               @aescolar @daor-oti
+/soc/riscv/                               @kgugala @pgielda
+/soc/riscv/openisa*/                      @dleach02
+/soc/riscv/riscv-privilege/andes_v5/      @cwshu @kevinwang821020 @jimmyzhe
+/soc/riscv/riscv-privilege/neorv32/       @henrikbrixandersen
+/soc/riscv/riscv-privilege/gd32vf103/     @soburi
+/soc/x86/                                 @dcpleung @nashif @jenmwms @aasthagr
+/arch/xtensa/                             @dcpleung @andyross @nashif
+/soc/xtensa/                              @dcpleung @andyross @nashif
+/arch/sparc/                              @martin-aberg
+/soc/sparc/                               @martin-aberg
+/boards/arc/                              @abrodkin @ruuddw @evgeniy-paltsev
+/boards/arm/                              @MaureenHelm @galak
+/boards/arm/96b_argonkey/                 @avisconti
+/boards/arm/96b_avenger96/                @Mani-Sadhasivam
+/boards/arm/96b_carbon/                   @idlethread
+/boards/arm/96b_meerkat96/                @Mani-Sadhasivam
+/boards/arm/96b_nitrogen/                 @idlethread
+/boards/arm/96b_neonkey/                  @Mani-Sadhasivam
+/boards/arm/96b_stm32_sensor_mez/         @Mani-Sadhasivam
+/boards/arm/96b_wistrio/                  @Mani-Sadhasivam
+/boards/arm/arduino_due/                  @ioannisg
+/boards/arm/bbc_microbit_v2/              @LingaoM
+/boards/arm/blackpill_f401ce/             @coderkalyan
+/boards/arm/blackpill_f411ce/             @coderkalyan
+/boards/arm/cc1352r1_launchxl/            @bwitherspoon
+/boards/arm/cc26x2r1_launchxl/            @bwitherspoon
+/boards/arm/cc3220sf_launchxl/            @vanti
+/boards/arm/cy8*                          @nandojve
+/boards/arm/disco_l475_iot1/              @erwango
+/boards/arm/efm32pg_stk3401a/             @rdmeneze
+/boards/arm/faze/                         @mbittan @simonguinot
+/boards/arm/frdm*/                        @mmahadevan108 @dleach02
+/boards/arm/frdm*/doc/                    @dleach02 @MeganHansen
+/boards/arm/gd32*/                        @nandojve
+/boards/arm/google_*/                     @jackrosenthal
+/boards/arm/hexiwear*/                    @mmahadevan108 @dleach02
+/boards/arm/hexiwear*/doc/                @dleach02 @MeganHansen
+/boards/arm/ip_k66f/                      @parthitce @lmajewski
+/boards/arm/legend/                       @mbittan @simonguinot
+/boards/arm/lpcxpresso*/                  @mmahadevan108 @dleach02
+/boards/arm/lpcxpresso*/doc/              @dleach02 @MeganHansen
+/boards/arm/mimx8mm_evk/                  @Mani-Sadhasivam
+/boards/arm/mimxrt*/                      @mmahadevan108 @dleach02
+/boards/arm/mimxrt*/doc/                  @dleach02 @MeganHansen
+/boards/arm/mps2_an385/                   @fvincenzo
+/boards/arm/msp_exp432p401r_launchxl/     @Mani-Sadhasivam
+/boards/arm/npcx7m6fb_evb/                @MulinChao @WealianLiao @ChiHuaL
+/boards/arm/nrf*/                         @carlescufi @lemrey
+/boards/arm/nucleo*/                      @erwango @ABOSTM @FRASTM
+/boards/arm/nucleo_f401re/                @idlethread
+/boards/arm/nuvoton_pfm_m487/             @ssekar15
+/boards/arm/qemu_cortex_a9/               @ibirnbaum
+/boards/arm/qemu_cortex_r*/               @stephanosio
+/boards/arm/qemu_cortex_m*/               @ioannisg @stephanosio
+/boards/arm/quick_feather/                @kowalewskijan @kgugala
+/boards/arm/rak4631_nrf52840/             @gpaquet85
+/boards/arm/rak5010_nrf52840/             @gpaquet85
+/boards/arm/rpi_pico/                     @yonsch
+/boards/arm/ronoth_lodev/                 @NorthernDean
+/boards/arm/xmc45_relax_kit/              @parthitce
+/boards/arm/sam4e_xpro/                   @nandojve
+/boards/arm/sam4l_ek/                     @nandojve
+/boards/arm/sam4s_xplained/               @fallrisk
+/boards/arm/sam_e70_xplained/             @nandojve
+/boards/arm/sam_v71_xult/                 @nandojve
+/boards/arm/scobc_module1/                @yashi
+/boards/arm/v2m_beetle/                   @fvincenzo
+/boards/arm/olimexino_stm32/              @ydamigos
+/boards/arm/sensortile_box/               @avisconti
+/boards/arm/steval_fcu001v1/              @Navin-Sankar
+/boards/arm/stm32l1_disco/                @karlp
+/boards/arm/stm32*_disco/                 @erwango @ABOSTM @FRASTM
+/boards/arm/stm32f3_disco/                @ydamigos
+/boards/arm/stm32*_eval/                  @erwango @ABOSTM @FRASTM
+/boards/arm/rcar_h3ulcb/                  @julien-massot
+/boards/arm/ubx_bmd345eval_nrf52840/      @Navin-Sankar @brec-u-blox
+/boards/common/                           @mbolivar-nordic
+/boards/deprecated.cmake                  @tejlmand
+/boards/mips/                             @frantony
+/boards/nios2/                            @nashif
+/boards/nios2/altera_max10/               @nashif
+/boards/arm/stm32_min_dev/                @sidcha
+/boards/posix/                            @aescolar @daor-oti
+/boards/posix/nrf52_bsim/                 @aescolar @wopu-ot
+/boards/riscv/                            @kgugala @pgielda
+/boards/riscv/rv32m1_vega/                @dleach02
+/boards/riscv/beaglev_starlight_jh7100/   @rajnesh-kanwal
+/boards/riscv/adp_xc7k_ae350/             @cwshu @kevinwang821020 @jimmyzhe
+/boards/riscv/gd32*/                      @gmarull
+/boards/riscv/longan_nano/                @soburi
+/boards/riscv/neorv32/                    @henrikbrixandersen
+/boards/shields/                          @erwango
+/boards/shields/atmel_rf2xx/              @nandojve
+/boards/shields/esp_8266/                 @nandojve
+/boards/shields/inventek_eswifi/          @nandojve
+/boards/x86/                              @dcpleung @nashif @jenmwms @aasthagr
+/boards/x86/acrn/                         @enjiamai
+/boards/xtensa/                           @nashif @dcpleung
+/boards/xtensa/intel_s1000_crb/           @sathishkuttan @dcpleung
+/boards/xtensa/odroid_go/                 @ydamigos
+/boards/xtensa/nxp_adsp_imx8/             @iuliana-prodan @dbaluta
+/boards/sparc/                            @martin-aberg
+/boards/arm64/qemu_cortex_a53/            @carlocaione
+/boards/arm64/bcm958402m2_a72/            @abhishek-brcm
+/boards/arm64/nxp_ls1046ardb/             @JiafeiPan
+/boards/arm64/xenvm/                      @lorc @firscity
+/boards/arm64/fvp_baser_aemv8r/           @povergoing
+/boards/arm64/fvp_base_revc_2xaemv8a/     @carlocaione
+/boards/arm64/intel_socfpga_agilex_socdk/ @siclim @ngboonkhai
+# All cmake related files
+/cmake/                                   @tejlmand @nashif
+/cmake/*/arcmwdt/                         @abrodkin @evgeniy-paltsev @tejlmand
+/CMakeLists.txt                           @tejlmand @nashif
+/doc/                                     @dbkinder
+/doc/guides/coccinelle.rst                @himanshujha199640 @JuliaLawall
+/doc/CMakeLists.txt                       @carlescufi
+/doc/_scripts/                            @carlescufi
+/doc/guides/bluetooth/                    @alwa-nordic @jhedberg @Vudentz
+/doc/guides/dts/                          @galak @mbolivar-nordic
+/doc/reference/bluetooth/                 @alwa-nordic @jhedberg @Vudentz
+/doc/reference/devicetree/                @galak @mbolivar-nordic
+/doc/reference/canbus/                    @alexanderwachter
+/doc/security/                            @ceolin @d3zd3z
+/drivers/debug/                           @nashif
+/drivers/*/*sam4l*                        @nandojve
+/drivers/*/*cc13xx_cc26xx*                @bwitherspoon
+/drivers/*/*gd32*                         @nandojve
+/drivers/*/*litex*                        @mateusz-holenko @kgugala @pgielda
+/drivers/*/*mcux*                         @mmahadevan108 @dleach02
+/drivers/*/*stm32*                        @erwango @ABOSTM @FRASTM
+/drivers/*/*native_posix*                 @aescolar @daor-oti
+/drivers/*/*lpc11u6x*                     @mbittan @simonguinot
+/drivers/*/*npcx*                         @MulinChao @WealianLiao @ChiHuaL
+/drivers/*/*andes*                        @cwshu @kevinwang821020 @jimmyzhe
+/drivers/*/*neorv32*                      @henrikbrixandersen
+/drivers/adc/                             @anangl
+/drivers/adc/adc_stm32.c                  @cybertale
+/drivers/audio/*nrfx*                     @anangl
+/drivers/bbram/*                          @yperess @sjg20 @jackrosenthal
+/drivers/bluetooth/                       @alwa-nordic @jhedberg @Vudentz
+/drivers/bluetooth/hci/hci_esp32.c        @sylvioalves
+/drivers/cache/                           @carlocaione
+/drivers/syscon/                          @carlocaione @yperess
+/drivers/can/                             @alexanderwachter
+/drivers/can/*mcp2515*                    @karstenkoenig
+/drivers/can/*rcar*                       @julien-massot
+/drivers/clock_control/*agilex*           @siclim
+/drivers/clock_control/*nrf*              @nordic-krch
+/drivers/clock_control/*esp32*            @extremegtx @glaubermaroto
+/drivers/clock_control/*rcar*             @julien-massot
+/drivers/counter/                         @nordic-krch
+/drivers/console/ipm_console.c            @finikorg
+/drivers/console/semihost_console.c       @luozhongyao
+/drivers/counter/counter_cmos.c           @dcpleung
+/drivers/counter/counter_ll_stm32_timer.c @kentjhall
+/drivers/crypto/*nrf_ecb*                 @maciekfabia @anangl
+/drivers/display/                         @vanwinkeljan
+/drivers/display/display_framebuf.c       @dcpleung
+/drivers/dac/                             @martinjaeger
+/drivers/dma/*dw*                         @tbursztyka
+/drivers/dma/*sam0*                       @Sizurka
+/drivers/dma/dma_stm32*                   @cybertale @lowlander
+/drivers/dma/*pl330*                      @raveenp
+/drivers/dma/*iproc_pax*                  @raveenp
+/drivers/ec_host_cmd_periph/              @jettr
+/drivers/edac/                            @finikorg
+/drivers/eeprom/                          @henrikbrixandersen
+/drivers/eeprom/eeprom_stm32.c            @KwonTae-young
+/drivers/entropy/*b91*                    @yurvyn
+/drivers/entropy/*rv32m1*                 @dleach02
+/drivers/entropy/*gecko*                  @chrta
+/drivers/entropy/*litex*                  @mateusz-holenko @kgugala @pgielda
+/drivers/espi/                            @albertofloyd @franciscomunoz @sjvasanth1
+/drivers/ethernet/                        @tbursztyka @pfalcon
+/drivers/ethernet/*dwmac*                 @npitre
+/drivers/ethernet/*stm32*                 @Nukersson @lochej
+/drivers/ethernet/*w5500*                 @parthitce
+/drivers/ethernet/*xlnx_gem*              @ibirnbaum
+/drivers/ethernet/phy/                    @rlubos @tbursztyka @arvinf
+/drivers/mdio/                            @rlubos @tbursztyka @arvinf
+/drivers/flash/                           @nashif @nvlsianpu
+/drivers/flash/*stm32_qspi*               @lmajewski
+/drivers/flash/*b91*                      @yurvyn
+/drivers/flash/*nrf*                      @nvlsianpu
+/drivers/flash/*esp32*                    @glaubermaroto
+/drivers/fpga/                            @tgorochowik @kgugala
+/drivers/gpio/                            @mnkp
+/drivers/gpio/*b91*                       @yurvyn
+/drivers/gpio/*lmp90xxx*                  @henrikbrixandersen
+/drivers/gpio/*nct38xx*                   @MulinChao @WealianLiao @ChiHuaL
+/drivers/gpio/*stm32*                     @erwango
+/drivers/gpio/*eos_s3*                    @wtatarski @kowalewskijan @kgugala
+/drivers/gpio/*rcar*                      @julien-massot
+/drivers/gpio/*esp32*                     @glaubermaroto
+/drivers/gpio/*rpi_pico*                  @yonsch
+/drivers/hwinfo/                          @alexanderwachter
+/drivers/i2c/i2c_common.c                 @sjg20
+/drivers/i2c/i2c_emul.c                   @sjg20
+/drivers/i2c/i2c_ite_it8xxx2.c            @GTLin08
+/drivers/i2c/i2c_shell.c                  @nashif
+/drivers/i2c/Kconfig.i2c_emul             @sjg20
+/drivers/i2c/Kconfig.it8xxx2              @GTLin08
+/drivers/i2c/slave/*eeprom*               @henrikbrixandersen
+/drivers/i2c/Kconfig.test                 @mbolivar-nordic
+/drivers/i2c/i2c_test.c                   @mbolivar-nordic
+/drivers/i2c/*rcar*                       @aaillet
+/drivers/i2s/*litex*                      @mateusz-holenko @kgugala @pgielda
+/drivers/i2s/i2s_ll_stm32*                @avisconti
+/drivers/i2s/*nrfx*                       @anangl
+/drivers/ieee802154/                      @rlubos @tbursztyka
+/drivers/ieee802154/*b91*                 @yurvyn
+/drivers/ieee802154/ieee802154_rf2xx*     @tbursztyka @nandojve
+/drivers/ieee802154/ieee802154_cc13xx*    @bwitherspoon @cfriedt
+/drivers/interrupt_controller/            @dcpleung @nashif
+/drivers/interrupt_controller/intc_gic.c  @stephanosio
+/drivers/interrupt_controller/*esp32*     @glaubermaroto
+/drivers/interrupt_controller/intc_nuclei_eclic.c  @soburi
+/drivers/ipm/ipm_mhu*                     @karl-zh
+/drivers/ipm/Kconfig.nrfx                 @masz-nordic
+/drivers/ipm/Kconfig.nrfx_ipc_channel     @masz-nordic
+/drivers/ipm/ipm_cavs_idc*                @dcpleung
+/drivers/ipm/ipm_nrfx_ipc.c               @masz-nordic
+/drivers/ipm/ipm_nrfx_ipc.h               @masz-nordic
+/drivers/ipm/ipm_stm32_ipcc.c             @arnopo
+/drivers/ipm/ipm_stm32_hsem.c             @cameled
+/drivers/kscan/                           @VenkatKotakonda @franciscomunoz @sjvasanth1
+/drivers/kscan/*xec*                      @franciscomunoz @sjvasanth1
+/drivers/kscan/*ft5336*                   @MaureenHelm
+/drivers/kscan/*ht16k33*                  @henrikbrixandersen
+/drivers/led/                             @Mani-Sadhasivam
+/drivers/led_strip/                       @mbolivar-nordic
+/drivers/lora/                            @Mani-Sadhasivam
+/drivers/mbox/                            @carlocaione
+/drivers/memc/                            @gmarull
+/drivers/misc/                            @tejlmand
+/drivers/misc/ft8xx/                      @hubertmis
+/drivers/mm/                              @dcpleung
+/drivers/modem/hl7800.c                   @LairdCP/zephyr
+/drivers/modem/simcom-sim7080.c           @lgehreke
+/drivers/modem/simcom-sim7080.h           @lgehreke
+/drivers/modem/Kconfig.hl7800             @LairdCP/zephyr
+/drivers/modem/Kconfig.simcom-sim7080     @lgehreke
+/drivers/pcie/                            @dcpleung @nashif @jhedberg
+/drivers/peci/                            @albertofloyd @franciscomunoz @sjvasanth1
+/drivers/pinctrl/                         @gmarull
+/drivers/pinmux/*b91*                     @yurvyn
+/drivers/pinmux/*hsdk*                    @iriszzw
+/drivers/pinmux/*it8xxx2*                 @ite
+/drivers/pinmux/*esp32*                   @glaubermaroto
+/drivers/pm_cpu_ops/                      @carlocaione
+/drivers/power_domain/                    @ceolin
+/drivers/ps2/                             @franciscomunoz @sjvasanth1
+/drivers/ps2/*xec*                        @franciscomunoz @sjvasanth1
+/drivers/ps2/*npcx*                       @MulinChao @WealianLiao @ChiHuaL
+/drivers/pwm/*b91*                        @yurvyn
+/drivers/pwm/*rv32m1*                     @henrikbrixandersen
+/drivers/pwm/*sam0*                       @nzmichaelh
+/drivers/pwm/*stm32*                      @gmarull
+/drivers/pwm/*xlnx*                       @henrikbrixandersen
+/drivers/pwm/pwm_capture.c                @henrikbrixandersen
+/drivers/pwm/pwm_shell.c                  @henrikbrixandersen
+/drivers/pwm/*gecko*                      @sun681
+/drivers/pwm/*it8xxx2*                    @RuibinChang
+/drivers/regulator/*pmic*                 @danieldegrasse
+/drivers/sensor/                          @MaureenHelm
+/drivers/sensor/ams_iAQcore/              @alexanderwachter
+/drivers/sensor/ens210/                   @alexanderwachter
+/drivers/sensor/hts*/                     @avisconti
+/drivers/sensor/ina23*/                   @bbilas
+/drivers/sensor/lis*/                     @avisconti
+/drivers/sensor/lps*/                     @avisconti
+/drivers/sensor/lsm*/                     @avisconti
+/drivers/sensor/mpr/                      @sven-hm
+/drivers/sensor/st*/                      @avisconti
+/drivers/serial/*b91*                     @yurvyn
+/drivers/serial/uart_altera_jtag_hal.c    @nashif
+/drivers/serial/*ns16550*                 @dcpleung @nashif @jenmwms @aasthagr
+/drivers/serial/*nrfx*                    @Mierunski @anangl
+/drivers/serial/uart_liteuart.c           @mateusz-holenko @kgugala @pgielda
+/drivers/serial/Kconfig.mcux_iuart        @Mani-Sadhasivam
+/drivers/serial/uart_mcux_iuart.c         @Mani-Sadhasivam
+/drivers/serial/Kconfig.rtt               @carlescufi @pkral78
+/drivers/serial/uart_rtt.c                @carlescufi @pkral78
+/drivers/serial/*rpi_pico*                @yonsch
+/drivers/serial/Kconfig.xlnx              @wjliang
+/drivers/serial/uart_xlnx_ps.c            @wjliang
+/drivers/serial/uart_xlnx_uartlite.c      @henrikbrixandersen
+/drivers/serial/*xmc4xxx*                 @parthitce
+/drivers/serial/*numicro*                 @ssekar15
+/drivers/serial/*apbuart*                 @martin-aberg
+/drivers/serial/*rcar*                    @aaillet
+/drivers/serial/Kconfig.test              @str4t0m
+/drivers/serial/serial_test.c             @str4t0m
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+/subsys/usb/class/dfu/usb_dfu.c           @nvlsianpu
+/tests/                                   @nashif
+/tests/arch/arm/                          @ioannisg @stephanosio
+/tests/benchmarks/cmsis_dsp/              @stephanosio
+/tests/boards/native_posix/               @aescolar @daor-oti
+/tests/boards/intel_s1000_crb/            @dcpleung @sathishkuttan
+/tests/bluetooth/                         @alwa-nordic @jhedberg @Vudentz
+/tests/bluetooth/controller/              @cvinayak @thoh-ot @kruithofa @erbr-ot @sjanc @ppryga
+/tests/bluetooth/bsim_bt/                 @alwa-nordic @jhedberg @Vudentz @aescolar @wopu-ot
+/tests/bluetooth/bsim_bt/bsim_test_audio/ @alwa-nordic @jhedberg @Vudentz @aescolar @wopu-ot @Thalley @asbjornsabo
+/tests/bluetooth/tester/                  @alwa-nordic @jhedberg @Vudentz @sjanc
+/tests/posix/                             @pfalcon
+/tests/crypto/                            @ceolin
+/tests/crypto/mbedtls/                    @nashif @ceolin @d3zd3z
+/tests/drivers/can/                       @alexanderwachter
+/tests/drivers/counter/                   @nordic-krch
+/tests/drivers/eeprom/                    @henrikbrixandersen @sjg20
+/tests/drivers/flash_simulator/           @nvlsianpu
+/tests/drivers/gpio/                      @mnkp
+/tests/drivers/hwinfo/                    @alexanderwachter
+/tests/drivers/spi/                       @tbursztyka
+/tests/drivers/uart/uart_async_api/       @Mierunski
+/tests/kernel/                            @dcpleung @andyross @nashif
+/tests/lib/                               @nashif
+/tests/lib/cmsis_dsp/                     @stephanosio
+/tests/net/                               @rlubos @tbursztyka @pfalcon
+/tests/net/buf/                           @jhedberg @tbursztyka @pfalcon
+/tests/net/lib/                           @rlubos @tbursztyka @pfalcon
+/tests/net/lib/http_header_fields/        @rlubos @tbursztyka
+/tests/net/lib/mqtt_packet/               @rlubos
+/tests/net/lib/coap/                      @rlubos
+/tests/net/npf/                           @npitre
+/tests/net/socket/socketpair/             @cfriedt
+/tests/net/socket/                        @rlubos @tbursztyka @pfalcon
+/tests/subsys/debug/coredump/             @dcpleung
+/tests/subsys/fs/                         @nashif @nvlsianpu @de-nordic
+/tests/subsys/settings/                   @nvlsianpu
+/tests/subsys/shell/                      @jakub-uC @nordic-krch
+# Get all docs reviewed
+*.rst                                     @nashif
+/doc/reference/kernel/                    @andyross @nashif
+*posix*.rst                               @aescolar @daor-oti

CODE_OF_CONDUCT.md

@@ -1,139 +1,78 @@
-# Zephyr Project Code of Conduct
+# Contributor Covenant Code of Conduct
 
 ## Our Pledge
 
-We as members, contributors, and leaders pledge to make participation in our
-community a harassment-free experience for everyone, regardless of age, body
-size, visible or invisible disability, ethnicity, sex characteristics, gender
-identity and expression, level of experience, education, socio-economic status,
-nationality, personal appearance, race, caste, color, religion, or sexual
-identity and orientation.
-
-We pledge to act and interact in ways that contribute to an open, welcoming,
-diverse, inclusive, and healthy community.
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
 
 ## Our Standards
 
-Examples of behavior that contributes to a positive environment for our
-community include:
+Examples of behavior that contributes to creating a positive environment
+include:
 
-* Demonstrating empathy and kindness toward other people
-* Being respectful of differing opinions, viewpoints, and experiences
-* Giving and gracefully accepting constructive feedback
-* Accepting responsibility and apologizing to those affected by our mistakes,
-  and learning from the experience
-* Focusing on what is best not just for us as individuals, but for the overall
-  community
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
 
-Examples of unacceptable behavior include:
+Examples of unacceptable behavior by participants include:
 
-* The use of sexualized language or imagery, and sexual attention or advances of
-  any kind
-* Trolling, insulting or derogatory comments, and personal or political attacks
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
 * Public or private harassment
-* Publishing others' private information, such as a physical or email address,
-  without their explicit permission
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
 * Other conduct which could reasonably be considered inappropriate in a
-  professional setting
+ professional setting
 
-## Enforcement Responsibilities
+## Our Responsibilities
 
-Community leaders are responsible for clarifying and enforcing our standards of
-acceptable behavior and will take appropriate and fair corrective action in
-response to any behavior that they deem inappropriate, threatening, offensive,
-or harmful.
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
 
-Community leaders have the right and responsibility to remove, edit, or reject
-comments, commits, code, wiki edits, issues, and other contributions that are
-not aligned to this Code of Conduct, and will communicate reasons for moderation
-decisions when appropriate.
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
 
 ## Scope
 
-This Code of Conduct applies within all community spaces, and also applies when
-an individual is officially representing the community in public spaces.
-Examples of representing our community include using an official e-mail address,
-posting via an official social media account, or acting as an appointed
-representative at an online or offline event.
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
 
 ## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported to the community leaders responsible for enforcement at
-conduct@zephyrproject.org. Reports will be received by the Chair of the Zephyr
-Governing Board, the Zephyr Project Director (Linux Foundation), and the Zephyr
-Project Developer Advocate (Linux Foundation). You may refer to the [Governing
-Board](https://zephyrproject.org/governing-board/) and [Linux Foundation
-Staff](https://zephyrproject.org/staff/) web pages to identify who are the
-individuals currently holding these positions.
-All complaints will be reviewed and investigated promptly and fairly.
+reported by contacting the project team at conduct@zephyrproject.org.
+Reports will be received by Kate Stewart (Linux Foundation) and Amy Occhialino
+(Intel). All complaints will be reviewed and investigated, and will result in a
+response that is deemed necessary and appropriate to the circumstances. The
+project team is obligated to maintain confidentiality with regard to the
+reporter of an incident.  Further details of specific enforcement policies may
+be posted separately.
 
-All community leaders are obligated to respect the privacy and security of the
-reporter of any incident.
-
-## Enforcement Guidelines
-
-Community leaders will follow these Community Impact Guidelines in determining
-the consequences for any action they deem in violation of this Code of Conduct:
-
-### 1. Correction
-
-**Community Impact**: Use of inappropriate language or other behavior deemed
-unprofessional or unwelcome in the community.
-
-**Consequence**: A private, written warning from community leaders, providing
-clarity around the nature of the violation and an explanation of why the
-behavior was inappropriate. A public apology may be requested.
-
-### 2. Warning
-
-**Community Impact**: A violation through a single incident or series of
-actions.
-
-**Consequence**: A warning with consequences for continued behavior. No
-interaction with the people involved, including unsolicited interaction with
-those enforcing the Code of Conduct, for a specified period of time. This
-includes avoiding interactions in community spaces as well as external channels
-like social media. Violating these terms may lead to a temporary or permanent
-ban.
-
-### 3. Temporary Ban
-
-**Community Impact**: A serious violation of community standards, including
-sustained inappropriate behavior.
-
-**Consequence**: A temporary ban from any sort of interaction or public
-communication with the community for a specified period of time. No public or
-private interaction with the people involved, including unsolicited interaction
-with those enforcing the Code of Conduct, is allowed during this period.
-Violating these terms may lead to a permanent ban.
-
-### 4. Permanent Ban
-
-**Community Impact**: Demonstrating a pattern of violation of community
-standards, including sustained inappropriate behavior, harassment of an
-individual, or aggression toward or disparagement of classes of individuals.
-
-**Consequence**: A permanent ban from any sort of public interaction within the
-community.
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
 
 ## Attribution
 
-This Code of Conduct is adapted from the [Contributor Covenant][homepage],
-version 2.1, available at
-[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1].
-The only changes made by The Zephyr Project to the original document were to
-make explicit who the recipients of Code of Conduct incident reports are.
-
-Community Impact Guidelines were inspired by
-[Mozilla's code of conduct enforcement ladder][Mozilla CoC].
-
-For answers to common questions about this code of conduct, see the FAQ at
-[https://www.contributor-covenant.org/faq][FAQ]. Translations are available at
-[https://www.contributor-covenant.org/translations][translations].
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
 
 [homepage]: https://www.contributor-covenant.org
-[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html
-[Mozilla CoC]: https://github.com/mozilla/diversity
-[FAQ]: https://www.contributor-covenant.org/faq
-[translations]: https://www.contributor-covenant.org/translations
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

Kconfig.constants

@@ -1,19 +0,0 @@
-# Constant variables to be used across Kconfig options
-
-# Copyright (c) 2024 basalte bv
-# SPDX-License-Identifier: Apache-2.0
-
-INT8_MIN := -128
-INT16_MIN := -32768
-INT32_MIN := -2147483648
-INT64_MIN := -9223372036854775808
-
-INT8_MAX := 127
-INT16_MAX := 32767
-INT32_MAX := 2147483647
-INT64_MAX := 9223372036854775807
-
-UINT8_MAX := 255
-UINT16_MAX := 65535
-UINT32_MAX := 4294967295
-UINT64_MAX := 18446744073709551615

Kconfig.zephyr

@@ -2,16 +2,8 @@
 
 # Copyright (c) 2014-2015 Wind River Systems, Inc.
 # Copyright (c) 2016 Intel Corporation
-# Copyright (c) 2023 Nordic Semiconductor ASA
 # SPDX-License-Identifier: Apache-2.0
 
-source "Kconfig.constants"
-
-osource "$(APPLICATION_SOURCE_DIR)/VERSION"
-
-# This should be sourced early since the autogen Kconfig.dts options
-# and macros may get used by shields/boards/SoC defconfig or modules.
-source "dts/Kconfig"
 
 # Include Kconfig.defconfig files first so that they can override defaults and
 # other symbol/choice properties by adding extra symbol/choice definitions.
@@ -21,21 +13,20 @@ source "dts/Kconfig"
 # Shield defaults should have precedence over board defaults, which should have
 # precedence over SoC defaults, so include them in that order.
 #
-# $ARCH and $KCONFIG_BOARD_DIR will be glob patterns when building documentation.
+# $ARCH and $BOARD_DIR will be glob patterns when building documentation.
 # This loads custom shields defconfigs (from BOARD_ROOT)
 osource "$(KCONFIG_BINARY_DIR)/Kconfig.shield.defconfig"
 # This loads Zephyr base shield defconfigs
 source "boards/shields/*/Kconfig.defconfig"
 
-osource "$(KCONFIG_BOARD_DIR)/Kconfig.defconfig"
-
-# This loads Zephyr specific SoC root defconfigs
-source "$(KCONFIG_BINARY_DIR)/soc/Kconfig.defconfig"
+source "$(BOARD_DIR)/Kconfig.defconfig"
 
+# This loads custom SoC root defconfigs
+osource "$(KCONFIG_BINARY_DIR)/Kconfig.soc.defconfig"
+# This loads Zephyr base SoC root defconfigs
+osource "soc/$(ARCH)/*/Kconfig.defconfig"
 # This loads the toolchain defconfigs
 osource "$(TOOLCHAIN_KCONFIG_DIR)/Kconfig.defconfig"
-# This loads the testsuite defconfig
-source "subsys/testsuite/Kconfig.defconfig"
 
 menu "Modules"
 
@@ -47,6 +38,7 @@ source "boards/Kconfig"
 source "soc/Kconfig"
 source "arch/Kconfig"
 source "kernel/Kconfig"
+source "dts/Kconfig"
 source "drivers/Kconfig"
 source "lib/Kconfig"
 source "subsys/Kconfig"
@@ -57,7 +49,7 @@ menu "Build and Link Features"
 
 menu "Linker Options"
 
-choice LINKER_ORPHAN_CONFIGURATION
+choice
 	prompt "Linker Orphan Section Handling"
 	default LINKER_ORPHAN_SECTION_WARN
 
@@ -142,17 +134,6 @@ config ROM_START_OFFSET
 	  alignment requirements on most ARM targets, although some targets
 	  may require smaller or larger values.
 
-config ROM_END_OFFSET
-	hex "ROM end offset"
-	default 0
-	help
-	  If non-zero, this option reduces the maximum size that the Zephyr image is allowed to
-	  occupy, this is to allow for additional image storage which can be created and used by
-	  other systems such as bootloaders (for MCUboot, this would include the image swap
-	  fields and TLV storage at the end of the image).
-
-	  If unsure, leave at the default value 0.
-
 config LD_LINKER_SCRIPT_SUPPORTED
 	bool
 	default y
@@ -215,6 +196,12 @@ config LINKER_SORT_BY_ALIGNMENT
 	  in decreasing size of symbols. This helps to minimize
 	  padding between symbols.
 
+config SRAM_VECTOR_TABLE
+	bool "Place the vector table in SRAM instead of flash"
+	help
+	  The option specifies that the vector table should be placed at the
+	  start of SRAM instead of the start of flash.
+
 config HAS_SRAM_OFFSET
 	bool
 	help
@@ -234,7 +221,7 @@ config SRAM_OFFSET
 menu "Linker Sections"
 
 config LINKER_USE_BOOT_SECTION
-	bool "Use Boot Linker Section"
+	bool "Enable Usage of Boot Linker Section"
 	help
 	  If enabled, the symbols which are needed for the boot process
 	  will be put into another linker section reserved for these
@@ -244,7 +231,7 @@ config LINKER_USE_BOOT_SECTION
 	  board or custom linker script.
 
 config LINKER_USE_PINNED_SECTION
-	bool "Use Pinned Linker Section"
+	bool "Enable Usage of Pinned Linker Section"
 	help
 	  If enabled, the symbols which need to be pinned in memory
 	  will be put into another linker section reserved for pinned
@@ -254,20 +241,6 @@ config LINKER_USE_PINNED_SECTION
 	  Requires that pinned sections exist in the architecture, SoC,
 	  board or custom linker script.
 
-config LINKER_USE_ONDEMAND_SECTION
-	bool "Use Evictable Linker Section"
-	depends on DEMAND_MAPPING
-	depends on !LINKER_USE_PINNED_SECTION
-	depends on !ARCH_MAPS_ALL_RAM
-	help
-	  If enabled, the symbols which may be evicted from memory
-	  will be put into a linker section reserved for on-demand symbols.
-	  During boot, the corresponding memory will be mapped as paged out.
-	  This is conceptually the opposite of CONFIG_LINKER_USE_PINNED_SECTION.
-
-	  Requires that on-demand sections exist in the architecture, SoC,
-	  board or custom linker script.
-
 config LINKER_GENERIC_SECTIONS_PRESENT_AT_BOOT
 	bool "Generic sections are present at boot" if DEMAND_PAGING && LINKER_USE_PINNED_SECTION
 	default y
@@ -281,208 +254,28 @@ config LINKER_GENERIC_SECTIONS_PRESENT_AT_BOOT
 
 	  If unsure, say Y.
 
-config LINKER_LAST_SECTION_ID
-	bool "Last section identifier"
-	default y if !ARM64
-	depends on ARM || ARM64 || RISCV
-	help
-	  If enabled, the last section will contain an identifier.
-	  This ensures that the '_flash_used' linker symbol will always be
-	  correctly calculated, even in cases where the location counter may
-	  have been incremented for alignment purposes but no data is placed
-	  after alignment.
-
-	  Note: in cases where the flash is fully used, for example application
-	  specific data is written at the end of the flash area, then writing a
-	  last section identifier may cause rom region overflow.
-	  In such cases this setting should be disabled.
-
-config LINKER_LAST_SECTION_ID_PATTERN
-	hex "Last section identifier pattern"
-	default "0xE015E015"
-	depends on LINKER_LAST_SECTION_ID
-	help
-	  Pattern to fill into last section as identifier.
-	  Default pattern is 0xE015 (end of last section), but any pattern can
-	  be used.
-	  The size of the pattern must not exceed 4 bytes.
-
-config LINKER_USE_NO_RELAX
-	bool
-	help
-	  Hidden symbol to allow features to force the use of no relax.
-
-config LINKER_USE_RELAX
-	bool "Linker optimization of call addressing"
-	depends on !LINKER_USE_NO_RELAX
-	default y
-	help
-	  This option performs global optimizations that become possible when the linker resolves
-	  addressing in the program, such as relaxing address modes and synthesizing new
-	  instructions in the output object file. For ld and lld, this enables `--relax`.
-	  On platforms where this is not supported, `--relax' is accepted, but ignored.
-	  Disabling it can reduce performance, as the linker is no longer able to substiture long /
-	  in-effective jump calls to shorter / more effective instructions.
-
 endmenu # "Linker Sections"
 
-config LINKER_ITERABLE_SUBALIGN
-	int
-	default 8 if 64BIT
-	default 4
-	help
-	  Hidden option for the default subalignment of iterable sections.
-
-config LINKER_DEVNULL_SUPPORT
-	bool
-	default y if CPU_CORTEX_M || (RISCV && !64BIT)
-
-config LINKER_DEVNULL_MEMORY
-	bool "Devnull region"
-	depends on LINKER_DEVNULL_SUPPORT
-	help
-	  Devnull region is created. It is stripped from final binary but remains
-	  in byproduct elf file.
-
-config LINKER_DEVNULL_MEMORY_SIZE
-	int "Devnull region size"
-	depends on LINKER_DEVNULL_MEMORY
-	default 262144
-	help
-	  Size can be adjusted so it fits all data placed in that region.
-
 endmenu
 
 menu "Compiler Options"
 
-config REQUIRES_STD_C99
-	bool
-	select DEPRECATED
-	help
-	  Hidden option to select compiler support C99 standard or higher.
-
-config REQUIRES_STD_C11
-	bool
-	select DEPRECATED
-	select REQUIRES_STD_C99
-	help
-	  Hidden option to select compiler support C11 standard or higher.
-
-config REQUIRES_STD_C17
-	bool
-	help
-	  Hidden option to select compiler support C17 standard or higher.
-
-config REQUIRES_STD_C23
-	bool
-	select REQUIRES_STD_C17
-	help
-	  Hidden option to select compiler support C23 standard or higher.
-
-choice STD_C
-	prompt "C Standard"
-	default STD_C23 if REQUIRES_STD_C23
-	default STD_C17
-	help
-	  C Standards.
-
-config STD_C90
-	bool "C90 [DEPRECATED]"
-	select DEPRECATED
-	depends on !REQUIRES_STD_C99
-	help
-	  1989 C standard as completed in 1989 and ratified by ISO/IEC
-	  as ISO/IEC 9899:1990. This version is known as "ANSI C".
-
-config STD_C99
-	bool "C99 [DEPRECATED]"
-	select DEPRECATED
-	depends on !REQUIRES_STD_C11
-	help
-	  1999 C standard.
-
-config STD_C11
-	bool "C11 [DEPRECATED]"
-	select DEPRECATED
-	depends on !REQUIRES_STD_C17
-	help
-	  2011 C standard.
-
-config STD_C17
-	bool "C17"
-	depends on !REQUIRES_STD_C23
-	help
-	  2017 C standard, addresses defects in C11 without introducing
-	  new language features.
-
-config STD_C23
-	bool "C23"
-	help
-	  2023 C standard.
-
-endchoice
-
-config TOOLCHAIN_SUPPORTS_GNU_EXTENSIONS
-	bool
-	default y if "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "zephyr"
-	help
-	  Hidden option to signal that toolchain supports GNU Extensions.
-
-config GNU_C_EXTENSIONS
-	bool "GNU C Extensions"
-	depends on TOOLCHAIN_SUPPORTS_GNU_EXTENSIONS
-	help
-	  Enable GNU C Extensions. GNU C provides several language features
-	  not found in ISO standard C.
-
 config CODING_GUIDELINE_CHECK
 	bool "Enforce coding guideline rules"
 	help
 	  Use available compiler flags to check coding guideline rules during
 	  the build.
 
-config NATIVE_LIBC
-	bool
-	select FULL_LIBC_SUPPORTED
-	select TC_PROVIDES_POSIX_C_LANG_SUPPORT_R
+config NATIVE_APPLICATION
+	bool "Build as a native host application"
 	help
-	  Zephyr will use the host system C library.
-
-config NATIVE_LIBCPP
-	bool
-	select FULL_LIBCPP_SUPPORTED
-	help
-	  Zephyr will use the host system C++ library
-
-config NATIVE_BUILD
-	bool
-	select NATIVE_LIBC if EXTERNAL_LIBC
-	select NATIVE_LIBCPP if EXTERNAL_LIBCPP
-	help
-	  Zephyr will be built targeting the host system for debug and
-	  development purposes.
-
-config NATIVE_LIBRARY
-	bool
-	select NATIVE_BUILD
-	help
-	  Build as a prelinked library for the native host target.
-	  This library can later be built into an executable for the host.
-
-config COMPILER_FREESTANDING
-	bool "Build in a freestanding compiler mode"
-	help
-	  Configure the compiler to operate in freestanding mode according to
-	  the C and C++ language specifications. Freestanding mode reduces the
-	  requirements of the compiler and language environment, which can
-	  negatively impact the ability for the compiler to detect errors and
-	  perform optimizations.
+	  Build as a native application that can run on the host and using
+	  resources and libraries provided by the host.
 
 choice COMPILER_OPTIMIZATIONS
 	prompt "Optimization level"
 	default NO_OPTIMIZATIONS    if COVERAGE
 	default DEBUG_OPTIMIZATIONS if DEBUG
-	default SIZE_OPTIMIZATIONS_AGGRESSIVE if "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "llvm"
 	default SIZE_OPTIMIZATIONS
 	help
 	  Note that these flags shall only control the compiler
@@ -495,12 +288,6 @@ config SIZE_OPTIMIZATIONS
 	  Compiler optimizations will be set to -Os independently of other
 	  options.
 
-config SIZE_OPTIMIZATIONS_AGGRESSIVE
-	bool "Aggressively optimize for size"
-	help
-	  Compiler optimizations will be set to -Oz independently of other
-	  options.
-
 config SPEED_OPTIMIZATIONS
 	bool "Optimize for speed"
 	help
@@ -519,91 +306,14 @@ config NO_OPTIMIZATIONS
 	  Compiler optimizations will be set to -O0 independently of other
 	  options.
 
-	  Selecting this option will likely require manual tuning of the
-	  default stack sizes in order to avoid stack overflows.
 endchoice
 
-config LTO
-	bool "Link Time Optimization"
-	depends on !(GEN_ISR_TABLES || GEN_IRQ_VECTOR_TABLE) || ISR_TABLES_LOCAL_DECLARATION
-	depends on !NATIVE_LIBRARY
-	depends on !CODE_DATA_RELOCATION
-	help
-	  This option enables Link Time Optimization.
-
-config LTO_SINGLE_THREADED
-	bool "Single-threaded LTO"
-	depends on LTO
-	help
-	  This option instructs the linker to use a single thread to process
-	  LTO. See the following issue for more info:
-	  https://github.com/zephyrproject-rtos/sdk-ng/issues/1038
-
-config COMPILER_WARNINGS_AS_ERRORS
-	bool "Treat warnings as errors"
-	help
-	  Turn on "warning as error" toolchain flags
-
-config DEPRECATION_TEST
-	bool "Indicate test for deprecated feature"
-	help
-	  This option is selected by tests which check functionality of
-	  deprecated features. It ensures that COMPILER_WARNINGS_AS_ERRORS
-	  is not selected as that would generate errors when the deprecated
-	  features are used.
-
-config COMPILER_SAVE_TEMPS
-	bool "Save temporary object files"
-	help
-	  Instruct the compiler to save the temporary intermediate files
-	  permanently. These can be useful for troubleshooting build issues.
-
-config COMPILER_TRACK_MACRO_EXPANSION
-	bool "Track macro expansion"
-	default y
-	help
-	  When enabled, locations of tokens across macro expansions will be
-	  tracked. Disabling this option may be useful to debug long macro
-	  expansion chains.
-
 config COMPILER_COLOR_DIAGNOSTICS
-	bool "Colored diagnostics"
+	bool "Enable colored diagnostics"
 	default y
 	help
 	  Compiler diagnostic messages are colorized.
 
-choice COMPILER_SECURITY_FORTIFY
-	prompt "Detect buffer overflows in libc calls"
-	default FORTIFY_SOURCE_NONE if NO_OPTIMIZATIONS || MINIMAL_LIBC || NATIVE_BUILD
-	default FORTIFY_SOURCE_COMPILE_TIME
-	help
-	  Buffer overflow checking in libc calls. Supported by Clang and
-	  GCC when using Picolibc or Newlib. Requires compiler optimization
-	  to be enabled.
-
-config FORTIFY_SOURCE_NONE
-	bool "No detection"
-	help
-	  Disables both compile-time and run-time checking.
-
-config FORTIFY_SOURCE_COMPILE_TIME
-	bool "Compile-time detection"
-	help
-	  Enables only compile-time checking. Compile-time checking
-	  doesn't increase executable size or reduce performance, it
-	  limits checking to what can be done with information available
-	  at compile time.
-
-config FORTIFY_SOURCE_RUN_TIME
-	bool "Compile-time and run-time detection"
-	help
-	  Enables both compile-time and run-time checking. Run-time
-	  checking increases coverage at the expense of additional code,
-	  and means that applications will raise a runtime exception
-	  when buffer overflow is detected.
-
-endchoice
-
 config COMPILER_OPT
 	string "Custom compiler options"
 	help
@@ -622,13 +332,6 @@ config MISRA_SANE
 	  standard for safety reasons.  Specifically variable length
 	  arrays are not permitted (and gcc will enforce this).
 
-config TOOLCHAIN_SUPPORTS_VLA_IN_STATEMENTS
-	bool
-	default y
-	help
-	  Hidden symbol to state if the toolchain can handle vla in
-	  statements.
-
 endmenu
 
 choice
@@ -638,17 +341,17 @@ choice
 config ASSERT_ON_ERRORS
 	bool "Assert on all errors"
 	help
-	  Assert on errors covered with the CHECKIF() macro.
+	  Assert on errors covered with the CHECK macro.
 
 config NO_RUNTIME_CHECKS
 	bool "No runtime error checks"
 	help
-	  Do not do any runtime checks or asserts when using the CHECKIF() macro.
+	  Do not do any runtime checks or asserts when using the CHECK macro.
 
 config RUNTIME_ERROR_CHECKS
-	bool "Runtime error checks"
+	bool "Enable runtime error checks"
 	help
-	  Always perform runtime checks covered with the CHECKIF() macro. This
+	  Always perform runtime checks covered with the CHECK macro. This
 	  option is the default and the only option used during testing.
 
 endchoice
@@ -667,13 +370,9 @@ config OUTPUT_STAT
 	help
 	  Create a stat file using readelf -e <elf>
 
-config OUTPUT_SYMBOLS
-	bool "Create a symbol file"
-	help
-	  Create a symbol file using nm <elf>
-
 config OUTPUT_DISASSEMBLY
 	bool "Create a disassembly file"
+	default y
 	help
 	  Create an .lst file with the assembly listing of the firmware.
 
@@ -685,24 +384,6 @@ config OUTPUT_DISASSEMBLE_ALL
 	  The .lst file will contain complete disassembly of the firmware
 	  not just those expected to contain instructions including zeros
 
-config OUTPUT_DISASSEMBLY_WITH_SOURCE
-	bool "Include source code in output disassembly file"
-	default y
-	depends on OUTPUT_DISASSEMBLY && !OUTPUT_DISASSEMBLE_ALL
-	help
-	  The .lst file will also contain the source code. Having
-	  control over this can be useful for reproducible builds
-	  since it can be used to remove one of the elements of
-	  the .lst file that can vary across platforms because
-	  of reasons such as having ".." include paths.
-
-config OUTPUT_DISASSEMBLY_NO_ALIASES
-	bool "Disassemble with raw instruction mnemonics"
-	depends on OUTPUT_DISASSEMBLY
-	help
-	  The .lst file will contain raw instruction mnemonic instead of
-	  pseudo instructions.
-
 config OUTPUT_PRINT_MEMORY_USAGE
 	bool "Print memory usage to stdout"
 	default y
@@ -721,24 +402,10 @@ config CLEANUP_INTERMEDIATE_FILES
 	bool "Remove all intermediate files"
 	help
 	  Delete intermediate files to save space and cleanup clutter resulting
-	  from the build process. Note this breaks incremental builds, west spdx
-	  (Software Bill of Material generation), and maybe others.
-
-config BUILD_GAP_FILL_PATTERN
-	hex "Gap fill pattern"
-	default 0xFF
-	help
-	  Pattern used for gap filling of output files.
-	  This value should be set to the value of a clean flash as this can
-	  significantly reduce flash write times.
-	  This setting only defines the gap fill pattern and doesn't enable gap
-	  filling.
-	  Note: binary files are always gap filled as they contain no address
-	  information.
+	  from the build process.
 
 config BUILD_NO_GAP_FILL
-	bool "Don't fill gaps in generated hex/s19 files [DEPRECATED]."
-	select DEPRECATED
+	bool "Don't fill gaps in generated hex/bin/s19 files."
 
 config BUILD_OUTPUT_HEX
 	bool "Build a binary in HEX format"
@@ -746,12 +413,6 @@ config BUILD_OUTPUT_HEX
 	  Build an Intel HEX binary zephyr/zephyr.hex in the build directory.
 	  The name of this file can be customized with CONFIG_KERNEL_BIN_NAME.
 
-config BUILD_OUTPUT_HEX_GAP_FILL
-	bool "Fill gaps in hex files"
-	depends on !BUILD_NO_GAP_FILL
-	help
-	  Fill gaps in hex based files.
-
 config BUILD_OUTPUT_BIN
 	bool "Build a binary in BIN format"
 	default y
@@ -786,12 +447,6 @@ config BUILD_OUTPUT_S19
 	  Build an S19 binary zephyr/zephyr.s19 in the build directory.
 	  The name of this file can be customized with CONFIG_KERNEL_BIN_NAME.
 
-config BUILD_OUTPUT_S19_GAP_FILL
-	bool "Fill gaps in s19 files"
-	depends on !BUILD_NO_GAP_FILL
-	help
-	  Fill gaps in s19 based files.
-
 config BUILD_OUTPUT_UF2
 	bool "Build a binary in UF2 format"
 	depends on BUILD_OUTPUT_BIN
@@ -799,23 +454,15 @@ config BUILD_OUTPUT_UF2
 	  Build a UF2 binary zephyr/zephyr.uf2 in the build directory.
 	  The name of this file can be customized with CONFIG_KERNEL_BIN_NAME.
 
-config BUILD_OUTPUT_MOT
-	bool "Build a binary in MOT format"
-	help
-	  Build a MOT binary zephyr/zephyr.mot in the build directory.
-	  The name of this file can be customized with CONFIG_KERNEL_BIN_NAME.
-
 if BUILD_OUTPUT_UF2
 
 config BUILD_OUTPUT_UF2_FAMILY_ID
 	string "UF2 device family ID"
-	default "0x1c5f21b0" if SOC_SERIES_ESP32
-	default "0x621e937a" if SOC_NRF52833_QIAA
+	default "0x1c5f21b0" if SOC_ESP32
 	default "0xada52840" if SOC_NRF52840_QIAA
-	default "0x4fb2d5bd" if SOC_SERIES_IMXRT10XX || SOC_SERIES_IMXRT11XX
+	default "0x4fb2d5bd" if SOC_SERIES_IMX_RT
 	default "0x2abc77ec" if SOC_SERIES_LPC55XXX
-	default "0xe48bff56" if SOC_SERIES_RP2040
-	default "0xe48bff57" if SOC_SERIES_RP2350
+	default "0xe48bff56" if SOC_SERIES_RP2XXX
 	default "0x68ed2b88" if SOC_SERIES_SAMD21
 	default "0x55114460" if SOC_SERIES_SAMD51
 	default "0x647824b6" if SOC_SERIES_STM32F0X
@@ -831,7 +478,7 @@ config BUILD_OUTPUT_UF2_FAMILY_ID
 	default "0x04240bdf" if SOC_SERIES_STM32L5X
 	default "0x70d16653" if SOC_SERIES_STM32WBX
 	default "0x5ee21072" if SOC_STM32F103XE
-	default "0x57755a57" if SOC_SERIES_STM32F4X && (!SOC_STM32F407XE) && (!SOC_STM32F407XG)
+	default "0x57755a57" if SOC_STM32F401XC || SOC_STM32F401XE
 	default "0x6d0922fa" if SOC_STM32F407XE
 	default "0x8fb060fe" if SOC_STM32F407XG
 	help
@@ -856,11 +503,6 @@ config BUILD_OUTPUT_STRIPPED
 	  Build a stripped binary zephyr/zephyr.strip in the build directory.
 	  The name of this file can be customized with CONFIG_KERNEL_BIN_NAME.
 
-config BUILD_OUTPUT_COMPRESS_DEBUG_SECTIONS
-	bool "Compress debug sections in the ELF file"
-	help
-	  Compress debug sections in the ELF file to reduce the file size.
-
 config BUILD_OUTPUT_ADJUST_LMA
 	string
 	help
@@ -885,23 +527,6 @@ config BUILD_OUTPUT_ADJUST_LMA
 	    default "$(dt_chosen_reg_addr_hex,$(DT_CHOSEN_IMAGE_M4))-\
 	             $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))"
 
-config BUILD_OUTPUT_ADJUST_LMA_SECTIONS
-	def_string "*"
-	depends on BUILD_OUTPUT_ADJUST_LMA!=""
-	help
-	  This determines the output sections to which the above LMA adjustment
-	  will be applied.
-	  The value can be the name of a section in the final ELF, like "text".
-	  It can also be a pattern with wildcards, such as "*bss", which could
-	  match more than one section name. Multiple such patterns can be given
-	  as a ";"-separated list. It's possible to supply a 'negative' pattern
-	  starting with "!", to exclude sections matched by a preceding pattern.
-
-	  By default, all sections will have their LMA adjusted. The following
-	  example excludes one section produced by the code relocation feature:
-	  config BUILD_OUTPUT_ADJUST_LMA_SECTIONS
-	    default "*;!.extflash_text_reloc"
-
 config BUILD_OUTPUT_INFO_HEADER
 	bool "Create a image information header"
 	help
@@ -913,15 +538,6 @@ config BUILD_OUTPUT_INFO_HEADER
 	  - VMA address of each segment
 	  - Size of each segment
 
-config BUILD_ALIGN_LMA
-	bool "Align LMA in output image"
-	default y if BUILD_OUTPUT_ADJUST_LMA!=""
-	help
-	  Ensure that the LMA for each section in the output image respects
-	  the alignment requirements of that section. This is required for
-	  some tooling, such as objcopy, to be able to adjust the LMA of the
-	  ELF file.
-
 config APPLICATION_DEFINED_SYSCALL
 	bool "Scan application folder for any syscall definition"
 	help
@@ -969,61 +585,8 @@ config BUILD_OUTPUT_META_STATE_PROPAGATE
 	           defined when `west update` was run the last time (`manifest-rev`).
 	           The off state is only present if a west workspace is found.
 
-config BUILD_OUTPUT_STRIP_PATHS
-	bool "Strip absolute paths from binaries"
-	default y
-	help
-	  If the compiler supports it, strip the $(ZEPHYR_BASE) prefix from the
-	  __FILE__ macro used in __ASSERT*, in the
-	  .noinit."/home/joe/zephyr/fu/bar.c" section names and in any
-	  application code.
-	  This saves some memory, stops leaking user locations in binaries, makes
-	  failure logs more deterministic and most importantly makes builds more
-	  deterministic.
-	  Debuggers usually have a path mapping feature to ensure the files are
-	  still found.
-
-config CHECK_INIT_PRIORITIES
-	bool "Build time initialization priorities check"
-	default y
-	# If we are building a native_simulator target, we can only check the init priorities
-	# if we are building the final output but we are not assembling several images together
-	depends on !(NATIVE_LIBRARY && (!BUILD_OUTPUT_EXE || NATIVE_SIMULATOR_EXTRA_IMAGE_PATHS != ""))
-	depends on "$(ZEPHYR_TOOLCHAIN_VARIANT)" != "armclang"
-	help
-	  Check the build for initialization priority issues by comparing the
-	  initialization priority in the build with the device dependency
-	  derived from the devicetree definition.
-
-	  Fails the build on priority errors (dependent devices, inverted
-	  priority).
-
-config EMIT_ALL_SYSCALLS
-	bool "Emit all possible syscalls in the tree"
-	help
-	  This tells the build system to emit all possible syscalls found
-	  in the tree, instead of only those syscalls associated with enabled
-	  drivers and subsystems.
-
 endmenu
 
-config DEPRECATED
-	bool
-	help
-	  Symbol that must be selected by a feature or module if it is
-	  considered to be deprecated.
-	  When adding this to an option, remember to follow the instructions in
-	  https://docs.zephyrproject.org/latest/develop/api/api_lifecycle.html#deprecated
-
-config WARN_DEPRECATED
-	bool
-	default y
-	prompt "Warn on deprecated usage"
-	help
-	  Print a warning when the Kconfig tree is parsed if any deprecated
-	  features are enabled, or at compile time, when deprecated macros or
-	  symbols are used.
-
 config EXPERIMENTAL
 	bool
 	help
@@ -1037,34 +600,6 @@ config WARN_EXPERIMENTAL
 	  Print a warning when the Kconfig tree is parsed if any experimental
 	  features are enabled.
 
-config NOT_SECURE
-	bool
-	help
-	  Symbol to be selected by a feature to indicate that feature is
-	  not secure.
-
-config TAINT
-	bool
-	help
-	  Symbol that must be selected by a feature or module if the Zephyr
-	  build is considered tainted.
-
-config ENFORCE_ZEPHYR_STDINT
-	bool
-	prompt "Enforce Zephyr convention for stdint"
-	depends on !ARCH_POSIX
-	default y
-	help
-	  This enforces the Zephyr stdint convention where int32_t = int,
-	  int64_t = long long, and intptr_t = long so that short string
-	  format length modifiers can be used universally across ILP32
-	  and LP64 architectures. Sometimes this is not possible e.g. when
-	  linking against a binary-only C++ library whose type mangling
-	  is incompatible with the Zephyr convention, or if the build
-	  environment doesn't allow such enforcement, in which case this
-	  should be turned off with the caveat that argument type validation
-	  on Zephyr code will be skipped.
-
 endmenu
 
 
@@ -1072,10 +607,145 @@ menu "Boot Options"
 
 config IS_BOOTLOADER
 	bool "Act as a bootloader"
+	depends on XIP
+	depends on ARM
 	help
 	  This option indicates that Zephyr will act as a bootloader to execute
 	  a separate Zephyr image payload.
 
+config BOOTLOADER_SRAM_SIZE
+	int "SRAM reserved for bootloader"
+	default 16
+	depends on !XIP || IS_BOOTLOADER
+	depends on ARM || XTENSA
+	help
+	  This option specifies the amount of SRAM (measure in kB) reserved for
+	  a bootloader image, when either:
+	  - the Zephyr image itself is to act as the bootloader, or
+	  - Zephyr is a !XIP image, which implicitly assumes existence of a
+	  bootloader that loads the Zephyr !XIP image onto SRAM.
+
+config MCUBOOT
+	bool
+	help
+	  Hidden option used to indicate that the current image is MCUBoot
+
+config BOOTLOADER_MCUBOOT
+	bool "MCUboot bootloader support"
+	select USE_DT_CODE_PARTITION
+	imply INIT_ARCH_HW_AT_BOOT if ARCH_SUPPORTS_ARCH_HW_INIT
+	depends on !MCUBOOT
+	help
+	  This option signifies that the target uses MCUboot as a bootloader,
+	  or in other words that the image is to be chain-loaded by MCUboot.
+	  This sets several required build system and Device Tree options in
+	  order for the image generated to be bootable using the MCUboot open
+	  source bootloader. Currently this includes:
+
+	    * Setting ROM_START_OFFSET to a default value that allows space
+	      for the MCUboot image header
+	    * Activating SW_VECTOR_RELAY_CLIENT on Cortex-M0
+	      (or Armv8-M baseline) targets with no built-in vector relocation
+	      mechanisms
+
+	  By default, this option instructs Zephyr to initialize the core
+	  architecture HW registers during boot, when this is supported by
+	  the application. This removes the need by MCUboot to reset
+	  the core registers' state itself.
+
+if BOOTLOADER_MCUBOOT
+
+config MCUBOOT_SIGNATURE_KEY_FILE
+	string "Path to the mcuboot signing key file"
+	default ""
+	depends on !MCUBOOT_GENERATE_UNSIGNED_IMAGE
+	help
+	  The file contains a key pair whose public half is verified
+	  by your target's MCUboot image. The file is in PEM format.
+
+	  If set to a non-empty value, the build system tries to
+	  sign the final binaries using a 'west sign -t imgtool' command.
+	  The signed binaries are placed in the build directory
+	  at zephyr/zephyr.signed.bin and zephyr/zephyr.signed.hex.
+
+	  The file names can be customized with CONFIG_KERNEL_BIN_NAME.
+	  The existence of bin and hex files depends on CONFIG_BUILD_OUTPUT_BIN
+	  and CONFIG_BUILD_OUTPUT_HEX.
+
+	  This option should contain a path to the same file as the
+	  BOOT_SIGNATURE_KEY_FILE option in your MCUboot .config. The path
+	  may be absolute or relative to the west workspace topdir. (The MCUboot
+	  config option is used for the MCUboot bootloader image; this option is
+	  for your application which is to be loaded by MCUboot. The MCUboot
+	  config option can be a relative path from the MCUboot repository
+	  root.)
+
+	  If left empty, you must sign the Zephyr binaries manually.
+
+config MCUBOOT_ENCRYPTION_KEY_FILE
+	string "Path to the mcuboot encryption key file"
+	default ""
+	depends on MCUBOOT_SIGNATURE_KEY_FILE != ""
+	help
+	  The file contains the public key that is used to encrypt the
+	  ephemeral key that encrypts the image. The corresponding
+	  private key is hard coded in the MCUboot source code and is
+	  used to decrypt the ephemeral key that is embedded in the
+	  image. The file is in PEM format.
+
+	  If set to a non-empty value, the build system tries to
+	  sign and encrypt the final binaries using a 'west sign -t imgtool'
+	  command. The binaries are placed in the build directory at
+	  zephyr/zephyr.signed.encrypted.bin and
+	  zephyr/zephyr.signed.encrypted.hex.
+
+	  The file names can be customized with CONFIG_KERNEL_BIN_NAME.
+	  The existence of bin and hex files depends on CONFIG_BUILD_OUTPUT_BIN
+	  and CONFIG_BUILD_OUTPUT_HEX.
+
+	  This option should either be an absolute path or a path relative to
+	  the west workspace topdir.
+	  Example: './bootloader/mcuboot/enc-rsa2048-pub.pem'
+
+	  If left empty, you must encrypt the Zephyr binaries manually.
+
+config MCUBOOT_EXTRA_IMGTOOL_ARGS
+	string "Extra arguments to pass to imgtool"
+	default ""
+	help
+	  If CONFIG_MCUBOOT_SIGNATURE_KEY_FILE is a non-empty string,
+	  you can use this option to pass extra options to imgtool.
+	  For example, you could set this to "--version 1.2".
+
+config MCUBOOT_GENERATE_UNSIGNED_IMAGE
+	bool "Generate unsigned binary image bootable with MCUboot"
+	help
+	  Enabling this configuration allows automatic unsigned binary image
+	  generation when MCUboot signing key is not provided,
+	  i.e., MCUBOOT_SIGNATURE_KEY_FILE is left empty.
+
+config MCUBOOT_GENERATE_CONFIRMED_IMAGE
+	bool "Also generate a padded, confirmed image"
+	help
+	  The signed, padded, and confirmed binaries are placed in the build
+	  directory at zephyr/zephyr.signed.confirmed.bin and
+	  zephyr/zephyr.signed.confirmed.hex.
+
+	  The file names can be customized with CONFIG_KERNEL_BIN_NAME.
+	  The existence of bin and hex files depends on CONFIG_BUILD_OUTPUT_BIN
+	  and CONFIG_BUILD_OUTPUT_HEX.
+
+endif # BOOTLOADER_MCUBOOT
+
+config BOOTLOADER_ESP_IDF
+	bool "ESP-IDF bootloader support"
+	depends on (SOC_ESP32 || SOC_ESP32S2 || SOC_ESP32C3) && !BOOTLOADER_MCUBOOT
+	default y
+	help
+	  This option will trigger the compilation of the ESP-IDF bootloader
+	  inside the build folder.
+	  At flash time, the bootloader will be flashed with the zephyr image
+
 config BOOTLOADER_BOSSA
 	bool "BOSSA bootloader support"
 	select USE_DT_CODE_PARTITION
@@ -1121,17 +791,11 @@ endmenu
 
 menu "Compatibility"
 
-config LEGACY_GENERATED_INCLUDE_PATH
-	bool "Legacy include path for generated headers"
+config COMPAT_INCLUDES
+	bool "Suppress warnings when using header shims"
 	default y
 	help
-	  Allow applications and libraries to use the Zephyr legacy include
-	  path for the generated headers which does not use the `zephyr/` prefix.
-
-	  From now on, i.e., the preferred way to include the `version.h` header is to
-	  use <zephyr/version.h>, this Kconfig is currently enabled by default so that
-	  user applications won't immediately fail to compile.
-
-	  This Kconfig will be deprecated and eventually removed in the future releases.
+	  Suppress any warnings from the pre-processor when including
+	  deprecated header files.
 
 endmenu

LICENSES/Apache-2.0.txt

@@ -1,202 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
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-      represent, as a whole, an original work of authorship. For the purposes
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-   END OF TERMS AND CONDITIONS
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-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
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-
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-   See the License for the specific language governing permissions and
-   limitations under the License.

LICENSES/README.md

@@ -1,10 +0,0 @@
-> [!IMPORTANT]
-> The license files in this directory are maintained as per the recommendation
-> of the REUSE specification (https://reuse.software/spec-3.3).
-> These are licenses that may apply to some components hosted in the source tree
-> but that do not end up in built binaries
-> (see https://docs.zephyrproject.org/latest/LICENSING.html#zephyr-licensing).
->
-> These files do _not_ define the license of the Zephyr project itself.
-> Zephyr is licensed under the Apache 2.0 license, as specified in
-> the [LICENSE](/LICENSE) file at the root of the repository.

README.rst

@@ -2,17 +2,16 @@
 
    <a href="https://www.zephyrproject.org">
      <p align="center">
-       <picture>
-         <source media="(prefers-color-scheme: dark)" srcset="doc/_static/images/logo-readme-dark.svg">
-         <source media="(prefers-color-scheme: light)" srcset="doc/_static/images/logo-readme-light.svg">
-         <img src="doc/_static/images/logo-readme-light.svg">
-       </picture>
+       <img src="doc/_static/images/logo-readme.svg">
      </p>
    </a>
 
-   <a href="https://bestpractices.coreinfrastructure.org/projects/74"><img src="https://bestpractices.coreinfrastructure.org/projects/74/badge"></a>
-   <a href="https://scorecard.dev/viewer/?uri=github.com/zephyrproject-rtos/zephyr"><img src="https://api.securityscorecards.dev/projects/github.com/zephyrproject-rtos/zephyr/badge"></a>
-   <a href="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml?query=branch%3Amain"><img src="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml/badge.svg?event=push"></a>
+   <a href="https://bestpractices.coreinfrastructure.org/projects/74"><img
+   src="https://bestpractices.coreinfrastructure.org/projects/74/badge"></a>
+   <a
+   href="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml?query=branch%3Amain">
+   <img
+   src="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml/badge.svg?event=push"></a>
 
 
 The Zephyr Project is a scalable real-time operating system (RTOS) supporting
@@ -23,9 +22,9 @@ The Zephyr OS is based on a small-footprint kernel designed for use on
 resource-constrained systems: from simple embedded environmental sensors and
 LED wearables to sophisticated smart watches and IoT wireless gateways.
 
-The Zephyr kernel supports multiple architectures, including ARM (Cortex-A,
-Cortex-R, Cortex-M), Intel x86, ARC, Tensilica Xtensa, and RISC-V,
-SPARC, MIPS, and a large number of `supported boards`_.
+The Zephyr kernel supports multiple architectures, including ARM Cortex-M,
+Intel x86, ARC, Nios II, Tensilica Xtensa, and RISC-V, and a large number of
+`supported boards`_.
 
 .. below included in doc/introduction/introduction.rst
 
@@ -51,59 +50,39 @@ Resources
 
 Here's a quick summary of resources to help you find your way around:
 
-Getting Started
----------------
+* **Help**: `Asking for Help Tips`_
+* **Documentation**: http://docs.zephyrproject.org (`Getting Started Guide`_)
+* **Source Code**: https://github.com/zephyrproject-rtos/zephyr is the main
+  repository; https://elixir.bootlin.com/zephyr/latest/source contains a
+  searchable index
+* **Releases**: https://github.com/zephyrproject-rtos/zephyr/releases
+* **Samples and example code**: see `Sample and Demo Code Examples`_
+* **Mailing Lists**: users@lists.zephyrproject.org and
+  devel@lists.zephyrproject.org are the main user and developer mailing lists,
+  respectively. You can join the developer's list and search its archives at
+  `Zephyr Development mailing list`_. The other `Zephyr mailing list
+  subgroups`_ have their own archives and sign-up pages.
+* **Nightly CI Build Status**: https://lists.zephyrproject.org/g/builds
+  The builds@lists.zephyrproject.org mailing list archives the CI nightly build results.
+* **Chat**: Real-time chat happens in Zephyr's Discord Server. Use
+  this `Discord Invite`_ to register.
+* **Contributing**: see the `Contribution Guide`_
+* **Wiki**: `Zephyr GitHub wiki`_
+* **Issues**: https://github.com/zephyrproject-rtos/zephyr/issues
+* **Security Issues**: Email vulnerabilities@zephyrproject.org to report
+  security issues; also see our `Security`_ documentation. Security issues are
+  tracked separately at https://zephyrprojectsec.atlassian.net.
+* **Zephyr Project Website**: https://zephyrproject.org
 
-  | 📖 `Zephyr Documentation`_
-  | 🚀 `Getting Started Guide`_
-  | 🙋🏽 `Tips when asking for help`_
-  | 💻 `Code samples`_
-
-Code and Development
---------------------
-
-  | 🌐 `Source Code Repository`_
-  | 📦 `Releases`_
-  | 🤝 `Contribution Guide`_
-
-Community and Support
----------------------
-
-  | 💬 `Discord Server`_ for real-time community discussions
-  | 📧 `User mailing list (users@lists.zephyrproject.org)`_
-  | 📧 `Developer mailing list (devel@lists.zephyrproject.org)`_
-  | 📬 `Other project mailing lists`_
-  | 📚 `Project Wiki`_
-
-Issue Tracking and Security
----------------------------
-
-  | 🐛 `GitHub Issues`_
-  | 🔒 `Security documentation`_
-  | 🛡️ `Security Advisories Repository`_
-  | ⚠️ Report security vulnerabilities at vulnerabilities@zephyrproject.org
-
-Additional Resources
---------------------
-  | 🌐 `Zephyr Project Website`_
-  | 📺 `Zephyr Tech Talks`_
-
-.. _Zephyr Project Website: https://www.zephyrproject.org
-.. _Discord Server: https://chat.zephyrproject.org
-.. _supported boards: https://docs.zephyrproject.org/latest/boards/index.html
-.. _Zephyr Documentation: https://docs.zephyrproject.org
-.. _Introduction to Zephyr: https://docs.zephyrproject.org/latest/introduction/index.html
-.. _Getting Started Guide: https://docs.zephyrproject.org/latest/develop/getting_started/index.html
-.. _Contribution Guide: https://docs.zephyrproject.org/latest/contribute/index.html
-.. _Source Code Repository: https://github.com/zephyrproject-rtos/zephyr
-.. _GitHub Issues: https://github.com/zephyrproject-rtos/zephyr/issues
-.. _Releases: https://github.com/zephyrproject-rtos/zephyr/releases
-.. _Project Wiki: https://github.com/zephyrproject-rtos/zephyr/wiki
-.. _User mailing list (users@lists.zephyrproject.org): https://lists.zephyrproject.org/g/users
-.. _Developer mailing list (devel@lists.zephyrproject.org): https://lists.zephyrproject.org/g/devel
-.. _Other project mailing lists: https://lists.zephyrproject.org/g/main/subgroups
-.. _Code samples: https://docs.zephyrproject.org/latest/samples/index.html
-.. _Security documentation: https://docs.zephyrproject.org/latest/security/index.html
-.. _Security Advisories Repository: https://github.com/zephyrproject-rtos/zephyr/security
-.. _Tips when asking for help: https://docs.zephyrproject.org/latest/develop/getting_started/index.html#asking-for-help
-.. _Zephyr Tech Talks: https://www.zephyrproject.org/tech-talks
+.. _Discord Invite: https://chat.zephyrproject.org
+.. _supported boards: http://docs.zephyrproject.org/latest/boards/index.html
+.. _Zephyr Documentation: http://docs.zephyrproject.org
+.. _Introduction to Zephyr: http://docs.zephyrproject.org/latest/introduction/index.html
+.. _Getting Started Guide: http://docs.zephyrproject.org/latest/getting_started/index.html
+.. _Contribution Guide: http://docs.zephyrproject.org/latest/contribute/index.html
+.. _Zephyr GitHub wiki: https://github.com/zephyrproject-rtos/zephyr/wiki
+.. _Zephyr Development mailing list: https://lists.zephyrproject.org/g/devel
+.. _Zephyr mailing list subgroups: https://lists.zephyrproject.org/g/main/subgroups
+.. _Sample and Demo Code Examples: http://docs.zephyrproject.org/latest/samples/index.html
+.. _Security: http://docs.zephyrproject.org/latest/security/index.html
+.. _Asking for Help Tips: https://docs.zephyrproject.org/latest/getting_started/index.html#asking-for-help

REUSE.toml

@@ -1,26 +0,0 @@
-version = 1
-
-# Declare default license and copyright text for files that typically do not or cannot include them.
-[[annotations]]
-path = [
-    # zephyr-keep-sorted-start
-    "**/*.cfg",
-    "**/*.cmake",
-    "**/*.conf",
-    "**/*.ecl",
-    "**/*.html",
-    "**/*.json",
-    "**/*.rst",
-    "**/*.yaml",
-    "**/*.yml",
-    "**/*_defconfig",
-    "**/CMakeLists.txt",
-    "**/Kconfig*",
-    "doc/requirements.in",
-    "doc/requirements.txt",
-    "scripts/requirements-*.in",
-    "scripts/requirements-*.txt",
-    # zephyr-keep-sorted-stop
-]
-SPDX-License-Identifier = "Apache-2.0"
-SPDX-FileCopyrightText = "Copyright The Zephyr Project Contributors"

SDK_VERSION

@@ -1 +0,0 @@
-0.17.4

VERSION

@@ -1,5 +1,5 @@
-VERSION_MAJOR = 4
-VERSION_MINOR = 3
-PATCHLEVEL = 99
+VERSION_MAJOR = 3
+VERSION_MINOR = 0
+PATCHLEVEL = 0
 VERSION_TWEAK = 0
 EXTRAVERSION =

arch/CMakeLists.txt

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-# FIXME: SHADOW_VARS: Remove this once we have enabled -Wshadow globally.
-add_compile_options($<TARGET_PROPERTY:compiler,warning_shadow_variables>)
-
 add_definitions(-D__ZEPHYR_SUPERVISOR__)
 
 include_directories(

arch/Kconfig

@@ -8,10 +8,8 @@
 # Include these first so that any properties (e.g. defaults) below can be
 # overridden (by defining symbols in multiple locations)
 
-source "$(KCONFIG_BINARY_DIR)/arch/Kconfig"
-
-# ToDo: Generate a Kconfig.arch for loading of additional arch in HWMv2.
-osource "$(KCONFIG_BINARY_DIR)/Kconfig.arch"
+# Note: $ARCH might be a glob pattern
+source "$(ARCH_DIR)/$(ARCH)/Kconfig"
 
 # Architecture symbols
 #
@@ -21,10 +19,9 @@ osource "$(KCONFIG_BINARY_DIR)/Kconfig.arch"
 config ARC
 	bool
 	select ARCH_IS_SET
+	select HAS_DTS
 	imply XIP
 	select ARCH_HAS_THREAD_LOCAL_STORAGE
-	select ARCH_SUPPORTS_ROM_START
-	select ARCH_HAS_DIRECTED_IPIS
 	help
 	  ARC architecture
 
@@ -32,13 +29,11 @@ config ARM
 	bool
 	select ARCH_IS_SET
 	select ARCH_SUPPORTS_COREDUMP if CPU_CORTEX_M
-	select ARCH_SUPPORTS_COREDUMP_THREADS if CPU_CORTEX_M
-	select ARCH_SUPPORTS_COREDUMP_STACK_PTR if CPU_CORTEX_M
+	select HAS_DTS
 	# FIXME: current state of the code for all ARM requires this, but
 	# is really only necessary for Cortex-M with ARM MPU!
 	select GEN_PRIV_STACKS
-	select ARCH_HAS_THREAD_LOCAL_STORAGE if CPU_AARCH32_CORTEX_R || CPU_CORTEX_M || CPU_AARCH32_CORTEX_A
-	select BARRIER_OPERATIONS_ARCH
+	select ARCH_HAS_THREAD_LOCAL_STORAGE if CPU_CORTEX_R || CPU_CORTEX_M
 	help
 	  ARM architecture
 
@@ -46,18 +41,11 @@ config ARM64
 	bool
 	select ARCH_IS_SET
 	select 64BIT
-	select ARCH_SUPPORTS_COREDUMP
+	select HAS_DTS
 	select HAS_ARM_SMCCC
 	select ARCH_HAS_THREAD_LOCAL_STORAGE
 	select USE_SWITCH
 	select USE_SWITCH_SUPPORTED
-	select BARRIER_OPERATIONS_ARCH
-	select ARCH_HAS_DIRECTED_IPIS
-	select ARCH_HAS_DEMAND_PAGING
-	select ARCH_HAS_DEMAND_MAPPING
-	select ARCH_SUPPORTS_EVICTION_TRACKING
-	select EVICTION_TRACKING if DEMAND_PAGING
-	select MEM_DOMAIN_HAS_THREAD_LIST if ARM_MPU
 	help
 	  ARM64 (AArch64) architecture
 
@@ -65,12 +53,14 @@ config MIPS
 	bool
 	select ARCH_IS_SET
 	select ATOMIC_OPERATIONS_C
+	select HAS_DTS
 	help
 	  MIPS architecture
 
 config SPARC
 	bool
 	select ARCH_IS_SET
+	select HAS_DTS
 	select USE_SWITCH
 	select USE_SWITCH_SUPPORTED
 	select BIG_ENDIAN
@@ -85,88 +75,64 @@ config X86
 	bool
 	select ARCH_IS_SET
 	select ATOMIC_OPERATIONS_BUILTIN
+	select HAS_DTS
 	select ARCH_SUPPORTS_COREDUMP
-	select ARCH_SUPPORTS_COREDUMP_PRIV_STACKS
-	select ARCH_SUPPORTS_ROM_START if !X86_64
 	select CPU_HAS_MMU
 	select ARCH_MEM_DOMAIN_DATA if USERSPACE && !X86_COMMON_PAGE_TABLE
 	select ARCH_MEM_DOMAIN_SYNCHRONOUS_API if USERSPACE
 	select ARCH_HAS_GDBSTUB if !X86_64
 	select ARCH_HAS_TIMING_FUNCTIONS
 	select ARCH_HAS_THREAD_LOCAL_STORAGE
-	select ARCH_HAS_DEMAND_PAGING if !X86_64
-	select ARCH_HAS_DEMAND_MAPPING if ARCH_HAS_DEMAND_PAGING
+	select ARCH_HAS_DEMAND_PAGING
 	select NEED_LIBC_MEM_PARTITION if USERSPACE && TIMING_FUNCTIONS \
 					  && !BOARD_HAS_TIMING_FUNCTIONS \
 					  && !SOC_HAS_TIMING_FUNCTIONS
-	select ARCH_HAS_STACK_CANARIES_TLS
-	select ARCH_SUPPORTS_MEM_MAPPED_STACKS if X86_MMU && !DEMAND_PAGING
-	select ARCH_HAS_THREAD_PRIV_STACK_SPACE_GET if USERSPACE
 	help
 	  x86 architecture
 
+config NIOS2
+	bool
+	select ARCH_IS_SET
+	select ATOMIC_OPERATIONS_C
+	select HAS_DTS
+	imply XIP
+	select ARCH_HAS_TIMING_FUNCTIONS
+	help
+	  Nios II Gen 2 architecture
+
 config RISCV
 	bool
 	select ARCH_IS_SET
-	select ATOMIC_OPERATIONS_C if !RISCV_ISA_EXT_A
-	select ATOMIC_OPERATIONS_BUILTIN if RISCV_ISA_EXT_A
+	select HAS_DTS
 	select ARCH_SUPPORTS_COREDUMP
-	select ARCH_SUPPORTS_COREDUMP_PRIV_STACKS
-	select ARCH_SUPPORTS_ROM_START if !SOC_FAMILY_ESPRESSIF_ESP32
-	select ARCH_SUPPORTS_EMPTY_IRQ_SPURIOUS
-	select ARCH_HAS_CODE_DATA_RELOCATION
 	select ARCH_HAS_THREAD_LOCAL_STORAGE
-	select USE_SWITCH_SUPPORTED
-	select USE_SWITCH
-	select SCHED_IPI_SUPPORTED if SMP
-	select ARCH_HAS_DIRECTED_IPIS
-	select BARRIER_OPERATIONS_BUILTIN
-	select ARCH_HAS_THREAD_PRIV_STACK_SPACE_GET if USERSPACE
+	imply XIP
 	help
 	  RISCV architecture
 
 config XTENSA
 	bool
 	select ARCH_IS_SET
+	select HAS_DTS
 	select USE_SWITCH
 	select USE_SWITCH_SUPPORTED
-	select ARCH_HAS_CODE_DATA_RELOCATION
-	select ARCH_HAS_TIMING_FUNCTIONS
-	select ARCH_MEM_DOMAIN_DATA if USERSPACE
-	select ARCH_HAS_DIRECTED_IPIS
-	select THREAD_STACK_INFO
-	select ARCH_HAS_THREAD_PRIV_STACK_SPACE_GET if USERSPACE
-	select ARCH_SUPPORTS_COREDUMP_STACK_PTR if !SMP
-	select ARCH_HAS_USERSPACE if XTENSA_MMU || XTENSA_MPU
-	imply ARCH_HAS_RESERVED_PAGE_FRAMES if XTENSA_MMU
+	imply ATOMIC_OPERATIONS_ARCH
 	help
 	  Xtensa architecture
 
 config ARCH_POSIX
 	bool
 	select ARCH_IS_SET
+	select HAS_DTS
 	select ATOMIC_OPERATIONS_BUILTIN
 	select ARCH_HAS_CUSTOM_SWAP_TO_MAIN
 	select ARCH_HAS_CUSTOM_BUSY_WAIT
 	select ARCH_HAS_THREAD_ABORT
-	select ARCH_HAS_THREAD_NAME_HOOK
-	select NATIVE_BUILD
+	select NATIVE_APPLICATION
 	select HAS_COVERAGE_SUPPORT
-	select BARRIER_OPERATIONS_BUILTIN
-	# POSIX arch based targets get their memory cleared on entry by the host OS
-	select SKIP_BSS_CLEAR
 	help
 	  POSIX (native) architecture
 
-config RX
-	bool
-	select ARCH_IS_SET
-	select ATOMIC_OPERATIONS_C
-	select USE_SWITCH
-	select USE_SWITCH_SUPPORTED
-	help
-	  Renesas RX architecture
-
 config ARCH_IS_SET
 	bool
 	help
@@ -175,12 +141,14 @@ config ARCH_IS_SET
 
 menu "General Architecture Options"
 
-source "arch/common/Kconfig"
-
 module = ARCH
 module-str = arch
 source "subsys/logging/Kconfig.template.log_config"
 
+module = MPU
+module-str = mpu
+source "subsys/logging/Kconfig.template.log_config"
+
 config BIG_ENDIAN
 	bool
 	help
@@ -188,17 +156,8 @@ config BIG_ENDIAN
 	  Little-endian architecture is the default and should leave this option
 	  unselected.  This option is selected by arch/$ARCH/Kconfig,
 	  soc/**/Kconfig, or boards/**/Kconfig and the user should generally avoid
-	  modifying it.  The option is used to select linker script OUTPUT_FORMAT,
-	  the toolchain flags (TOOLCHAIN_C_FLAGS, TOOLCHAIN_LD_FLAGS), and command
-	  line option for gen_isr_tables.py.
-
-config LITTLE_ENDIAN
-	# Hidden Kconfig option representing the default little-endian architecture
-	# This is just the opposite of BIG_ENDIAN and is used for non-negative
-	# conditional compilation
-	bool
-	depends on !BIG_ENDIAN
-	default y
+	  modifying it.  The option is used to select linker script OUTPUT_FORMAT
+	  and command line option for gen_isr_tables.py.
 
 config 64BIT
 	bool
@@ -224,21 +183,11 @@ config SRAM_BASE_ADDRESS
 	hex "SRAM Base Address"
 	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_SRAM))
 	help
-	  The SRAM base address. The default value comes from
+	  The SRAM base address. The default value comes from from
 	  /chosen/zephyr,sram in devicetree. The user should generally avoid
 	  changing it via menuconfig or in configuration files.
 
-config XIP
-	bool "Execute in place"
-	help
-	  This option allows zephyr to operate with its text and read-only
-	  sections residing in ROM (or similar read-only memory). Not all boards
-	  support this option so it must be used with care; you must also
-	  supply a linker command file when building your image. Enabling this
-	  option increases both the code and data footprint of the image.
-
-
-if ARC || ARM || ARM64 || X86 || RISCV || RX || ARCH_POSIX
+if ARC || ARM || ARM64 || NIOS2 || X86
 
 # Workaround for not being able to have commas in macro arguments
 DT_CHOSEN_Z_FLASH := zephyr,flash
@@ -246,7 +195,6 @@ DT_CHOSEN_Z_FLASH := zephyr,flash
 config FLASH_SIZE
 	int "Flash Size in kB"
 	default $(dt_chosen_reg_size_int,$(DT_CHOSEN_Z_FLASH),0,K) if (XIP && (ARM ||ARM64)) || !ARM
-	default 0 if !XIP
 	help
 	  This option specifies the size of the flash in kB.  It is normally set by
 	  the board's defconfig file and the user should generally avoid modifying
@@ -255,13 +203,12 @@ config FLASH_SIZE
 config FLASH_BASE_ADDRESS
 	hex "Flash Base Address"
 	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH)) if (XIP && (ARM || ARM64)) || !ARM
-	default 0 if !XIP
 	help
 	  This option specifies the base address of the flash on the board. It is
 	  normally set by the board's defconfig file and the user should generally
 	  avoid modifying it via the menu configuration.
 
-endif # ARM || ARM64 || ARC || X86 || RISCV || RX || ARCH_POSIX
+endif # ARM || ARM64 || ARC || NIOS2 || X86
 
 if ARCH_HAS_TRUSTED_EXECUTION
 
@@ -311,7 +258,6 @@ config USERSPACE
 	depends on RUNTIME_ERROR_CHECKS
 	depends on SRAM_REGION_PERMISSIONS
 	select THREAD_STACK_INFO
-	select LINKER_USE_NO_RELAX
 	help
 	  When enabled, threads may be created or dropped down to user mode,
 	  which has significantly restricted permissions and must interact
@@ -324,21 +270,10 @@ config USERSPACE
 	  privileged mode or handling a system call; to ensure these are always
 	  caught, enable CONFIG_HW_STACK_PROTECTION.
 
-config NOINIT_SNIPPET_FIRST
-	bool "Place the no-init linker script snippet first"
-	help
-	  By default the include/zephyr/linker/common-noinit.ld file inserts the
-	  snippets-noinit.ld file at the end of the section.  There are times when
-	  the directives in the snippets-noinit.ld file apply to the other directives
-	  in this file.  And in that case the include statement for the snippets-noinit.ld
-	  file needs to come at the start of the section.  This configuration option
-	  allows that to happen.
-
 config PRIVILEGED_STACK_SIZE
 	int "Size of privileged stack"
-	default 2048 if EMUL
 	default 1024
-	depends on USERSPACE
+	depends on ARCH_HAS_USERSPACE
 	help
 	  This option sets the privileged stack region size that will be used
 	  in addition to the user mode thread stack.  During normal execution,
@@ -348,19 +283,18 @@ config PRIVILEGED_STACK_SIZE
 
 config KOBJECT_TEXT_AREA
 	int "Size of kobject text area"
-	default 1024 if UBSAN
 	default 512 if COVERAGE_GCOV
 	default 512 if NO_OPTIMIZATIONS
 	default 512 if STACK_CANARIES && RISCV
 	default 256
-	depends on USERSPACE
+	depends on ARCH_HAS_USERSPACE
 	help
 	  Size of kernel object text area. Used in linker script.
 
 config KOBJECT_DATA_AREA_RESERVE_EXTRA_PERCENT
 	int "Reserve extra kobject data area (in percentage)"
 	default 100
-	depends on USERSPACE
+	depends on ARCH_HAS_USERSPACE
 	help
 	  Multiplication factor used to calculate the size of placeholder to
 	  reserve space for kobject metadata hash table. The hash table is
@@ -374,7 +308,7 @@ config KOBJECT_DATA_AREA_RESERVE_EXTRA_PERCENT
 config KOBJECT_RODATA_AREA_EXTRA_BYTES
 	int "Reserve extra bytes for kobject rodata area"
 	default 16
-	depends on USERSPACE
+	depends on ARCH_HAS_USERSPACE
 	help
 	  Reserve a few more bytes for the RODATA region for kobject metadata.
 	  This is to account for the uncertainty of tables generated by gperf.
@@ -436,83 +370,15 @@ config NOCACHE_MEMORY
 	  transfers when cache coherence issues are not optimal or can not
 	  be solved using cache maintenance operations.
 
-config FRAME_POINTER
-	bool "Compile the kernel with frame pointers"
-	select OVERRIDE_FRAME_POINTER_DEFAULT
-	help
-	  Select Y here to gain precise stack traces at the expense of slightly
-	  increased size and decreased speed.
-
-config ARCH_STACKWALK
-	bool "Compile the stack walking function"
-	default y
-	depends on ARCH_HAS_STACKWALK
-	help
-	  Select Y here to compile the `arch_stack_walk()` function
-
-config ARCH_STACKWALK_MAX_FRAMES
-	int "Max depth for stack walk function"
-	default 8
-	depends on ARCH_STACKWALK
-	help
-	  Depending on implementation, this can place a hard limit on the depths of the stack
-	  for the stack walk function to examine.
-
 menu "Interrupt Configuration"
 
-config TOOLCHAIN_SUPPORTS_ISR_TABLES_LOCAL_DECLARATION
-	bool
-	help
-	  Hidden option to signal that toolchain supports local declaration of
-	  interrupt tables.
-
-config ISR_TABLES_LOCAL_DECLARATION_SUPPORTED
-	bool
-	default y
-	# Userspace is currently not supported
-	depends on !USERSPACE
-	# List of currently supported architectures
-	depends on ARM || ARM64 || RISCV
-	# List of currently supported toolchains
-	depends on "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "zephyr" || "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "gnuarmemb" || "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "llvm" || TOOLCHAIN_SUPPORTS_ISR_TABLES_LOCAL_DECLARATION
-
-config ISR_TABLES_LOCAL_DECLARATION
-	bool "ISR tables created locally and placed by linker"
-	depends on ISR_TABLES_LOCAL_DECLARATION_SUPPORTED
-	help
-	  Enable new scheme of interrupt tables generation.
-	  This is totally different generator that would create tables entries locally
-	  where the IRQ_CONNECT macro is called and then use the linker script to position it
-	  in the right place in memory.
-	  The most important advantage of such approach is that the generated interrupt tables
-	  are LTO compatible.
-	  The drawback is that the support on the architecture port is required.
-
 config DYNAMIC_INTERRUPTS
-	bool "Installation of IRQs at runtime"
-	select SRAM_SW_ISR_TABLE
+	bool "Enable installation of IRQs at runtime"
 	help
 	  Enable installation of interrupts at runtime, which will move some
 	  interrupt-related data structures to RAM instead of ROM, and
 	  on some architectures increase code size.
 
-config SHARED_INTERRUPTS
-	bool "Set this to enable support for shared interrupts"
-	depends on GEN_SW_ISR_TABLE
-	select EXPERIMENTAL
-	help
-	  Set this to enable support for shared interrupts. Use this with
-	  caution as enabling this will increase the image size by a
-	  non-negligible amount.
-
-config SHARED_IRQ_MAX_NUM_CLIENTS
-	int "Maximum number of clients allowed per shared interrupt"
-	default 2
-	depends on SHARED_INTERRUPTS
-	help
-	  This option controls the maximum number of clients allowed
-	  per shared interrupt. Set this according to your needs.
-
 config GEN_ISR_TABLES
 	bool "Use generated IRQ tables"
 	help
@@ -532,41 +398,6 @@ config GEN_IRQ_VECTOR_TABLE
 	  indexed by IRQ line. In the latter case, the vector table must be
 	  supplied by the application or architecture code.
 
-config ARCH_IRQ_VECTOR_TABLE_ALIGN
-	int "Alignment size of the interrupt vector table"
-	default 4
-	depends on GEN_IRQ_VECTOR_TABLE
-	help
-	  This option controls alignment size of generated
-	  _irq_vector_table.  Some architecture needs an IRQ vector table
-	  to be aligned to architecture specific size.  The default
-	  size is 0 for no alignment.
-
-config ARCH_DEVICE_STATE_ALIGN
-	int "Alignment size of device state"
-	default 4
-	help
-	  This option controls alignment size of device state.
-
-choice IRQ_VECTOR_TABLE_TYPE
-	prompt "IRQ vector table type"
-	depends on GEN_IRQ_VECTOR_TABLE
-	default IRQ_VECTOR_TABLE_JUMP_BY_CODE if (RISCV && !RISCV_HAS_CLIC)
-	default IRQ_VECTOR_TABLE_JUMP_BY_ADDRESS
-
-config IRQ_VECTOR_TABLE_JUMP_BY_ADDRESS
-	bool "Jump by address"
-	help
-	  The IRQ vector table contains the address of the interrupt handler.
-
-config IRQ_VECTOR_TABLE_JUMP_BY_CODE
-	bool "Jump by code"
-	help
-	  The IRQ vector table contains the opcode of a jump instruction to the
-	  interrupt handler address.
-
-endchoice
-
 config GEN_SW_ISR_TABLE
 	bool "Generate a software ISR table"
 	default y
@@ -579,14 +410,13 @@ config GEN_SW_ISR_TABLE
 
 config ARCH_SW_ISR_TABLE_ALIGN
 	int "Alignment size of a software ISR table"
-	default 64 if RISCV_HAS_CLIC
-	default 4
+	default 0
 	depends on GEN_SW_ISR_TABLE
 	help
 	  This option controls alignment size of generated
 	  _sw_isr_table.  Some architecture needs a software ISR table
 	  to be aligned to architecture specific size.  The default
-	  size is 4.
+	  size is 0 for no alignment.
 
 config GEN_IRQ_START_VECTOR
 	int
@@ -601,47 +431,13 @@ config GEN_IRQ_START_VECTOR
 	  left alone.
 
 config IRQ_OFFLOAD
-	bool "IRQ offload"
+	bool "Enable IRQ offload"
 	depends on TEST
 	help
 	  Enable irq_offload() API which allows functions to be synchronously
 	  run in interrupt context. Only useful for test cases that need
 	  to validate the correctness of kernel objects in IRQ context.
 
-config SRAM_VECTOR_TABLE
-	bool "Place the vector table in SRAM instead of flash"
-	depends on ARCH_HAS_VECTOR_TABLE_RELOCATION
-	depends on XIP
-	depends on !ROMSTART_RELOCATION_ROM
-	help
-	  When XiP is enabled, this option will result in the vector table being
-	  relocated from Flash to SRAM.
-
-config SRAM_SW_ISR_TABLE
-	bool "Place the software ISR table in SRAM instead of flash"
-	help
-	  The option specifies that the software interrupts vector table will be
-	  placed inside SRAM instead of the flash.
-
-config IRQ_OFFLOAD_NESTED
-	bool "irq_offload() supports nested IRQs"
-	depends on IRQ_OFFLOAD
-	default y if ARM64 || X86 || RISCV || XTENSA
-	help
-	  When set by the platform layers, indicates that
-	  irq_offload() may legally be called in interrupt context to
-	  cause a synchronous nested interrupt on the current CPU.
-	  Not all hardware is capable.
-
-config EXCEPTION_DEBUG
-	bool "Unhandled exception debugging"
-	default y
-	depends on PRINTK || LOG
-	help
-	  Install handlers for various CPU exception/trap vectors to
-	  make debugging them easier, at a small expense in code size.
-	  This prints out the specific exception vector and any associated
-	  error codes.
 
 config EXTRA_EXCEPTION_INFO
 	bool "Collect extra exception info"
@@ -651,26 +447,6 @@ config EXTRA_EXCEPTION_INFO
 	  register state, when a fault occurs. This information can be useful
 	  to collect for post-mortem analysis and debug of issues.
 
-config SIMPLIFIED_EXCEPTION_CODES
-	bool "Convert arch specific exception codes to K_ERR_CPU_EXCEPTION"
-	default y if ZTEST
-	help
-	  The same piece of faulty code (NULL dereference, etc) can result in
-	  a multitude of potential exception codes at the CPU level, depending
-	  upon whether addresses exist, an MPU is configured, the particular
-	  implementation of the CPU or any number of other reasons. Enabling
-	  this option collapses all the architecture specific exception codes
-	  down to the generic K_ERR_CPU_EXCEPTION, which makes testing code
-	  much more portable.
-
-config EMPTY_IRQ_SPURIOUS
-	bool "Create empty spurious interrupt handler"
-	depends on ARCH_SUPPORTS_EMPTY_IRQ_SPURIOUS
-	help
-	  This option changes body of spurious interrupt handler. When enabled,
-	  handler contains only an infinite while loop, when disabled, handler
-	  contains the whole Zephyr fault handling procedure.
-
 endmenu # Interrupt configuration
 
 config INIT_ARCH_HW_AT_BOOT
@@ -721,69 +497,31 @@ config ARCH_HAS_NOCACHE_MEMORY_SUPPORT
 config ARCH_HAS_RAMFUNC_SUPPORT
 	bool
 
-config ARCH_HAS_VECTOR_TABLE_RELOCATION
-	bool
-
 config ARCH_HAS_NESTED_EXCEPTION_DETECTION
 	bool
 
 config ARCH_SUPPORTS_COREDUMP
 	bool
 
-config ARCH_SUPPORTS_COREDUMP_THREADS
-	bool
-
-config ARCH_SUPPORTS_COREDUMP_PRIV_STACKS
-	bool
-
-config ARCH_SUPPORTS_COREDUMP_STACK_PTR
-	bool
-
 config ARCH_SUPPORTS_ARCH_HW_INIT
 	bool
 
-config ARCH_SUPPORTS_ROM_START
-	bool
-
-config ARCH_SUPPORTS_EMPTY_IRQ_SPURIOUS
-	bool
-
-config ARCH_SUPPORTS_EVICTION_TRACKING
-	bool
-	help
-	  Architecture code supports page tracking for eviction algorithms
-	  when demand paging is enabled.
-
 config ARCH_HAS_EXTRA_EXCEPTION_INFO
 	bool
 
 config ARCH_HAS_GDBSTUB
 	bool
 
+config ARCH_HAS_COHERENCE
+	bool
+	help
+	  When selected, the architecture supports the
+	  arch_mem_coherent() API and can link into incoherent/cached
+	  memory using the ".cached" linker section.
+
 config ARCH_HAS_THREAD_LOCAL_STORAGE
 	bool
 
-config ARCH_HAS_SUSPEND_TO_RAM
-	bool
-	help
-	  When selected, the architecture supports suspend-to-RAM (S2RAM).
-
-config ARCH_HAS_STACK_CANARIES_TLS
-	bool
-
-config ARCH_SUPPORTS_MEM_MAPPED_STACKS
-	bool
-	help
-	  Select when the architecture supports memory mapped stacks.
-
-config ARCH_HAS_THREAD_PRIV_STACK_SPACE_GET
-	bool
-	help
-	  Select when the architecture implements arch_thread_priv_stack_space_get().
-
-config ARCH_HAS_HW_SHADOW_STACK
-	bool
-
 #
 # Other architecture related options
 #
@@ -791,12 +529,6 @@ config ARCH_HAS_HW_SHADOW_STACK
 config ARCH_HAS_THREAD_ABORT
 	bool
 
-config ARCH_HAS_CODE_DATA_RELOCATION
-	bool
-	help
-	  When selected, the architecture/SoC implements support for
-	  CODE_DATA_RELOCATION in its linker scripts.
-
 #
 # Hidden CPU family configs
 #
@@ -811,7 +543,7 @@ config CPU_HAS_TEE
 config CPU_HAS_DCLS
 	bool
 	help
-	  This option is enabled when the processor hardware has support for
+	  This option is enabled when the processor hardware is configured in
 	  Dual-redundant Core Lock-step (DCLS) topology.
 
 config CPU_HAS_FPU
@@ -820,11 +552,6 @@ config CPU_HAS_FPU
 	  This option is enabled when the CPU has hardware floating point
 	  unit.
 
-config CPU_HAS_DSP
-	bool
-	help
-	  This option is enabled when the CPU has hardware DSP unit.
-
 config CPU_HAS_FPU_DOUBLE_PRECISION
 	bool
 	select CPU_HAS_FPU
@@ -849,13 +576,6 @@ config ARCH_HAS_DEMAND_PAGING
 	  This hidden configuration should be selected by the architecture if
 	  demand paging is supported.
 
-config ARCH_HAS_DEMAND_MAPPING
-	bool
-	help
-	  This hidden configuration should be selected by the architecture if
-	  demand paging is supported and arch_mem_map() supports
-	  K_MEM_MAP_UNPAGED.
-
 config ARCH_HAS_RESERVED_PAGE_FRAMES
 	bool
 	help
@@ -864,30 +584,6 @@ config ARCH_HAS_RESERVED_PAGE_FRAMES
 	  memory mappings. The architecture will need to implement
 	  arch_reserved_pages_update().
 
-config ARCH_HAS_DIRECTED_IPIS
-	bool
-	help
-	  This hidden configuration should be selected by the architecture if
-	  it has an implementation for arch_sched_directed_ipi() which allows
-	  for IPIs to be directed to specific CPUs.
-
-config CPU_HAS_DCACHE
-	bool
-	help
-	  This hidden configuration should be selected when the CPU has a d-cache.
-
-config CPU_CACHE_INCOHERENT
-	bool
-	help
-	  This hidden configuration should be selected when the CPU has
-	  incoherent cache. This applies to intra-CPU multiprocessing
-	  incoherence and makes only sense when MP_MAX_NUM_CPUS > 1.
-
-config CPU_HAS_ICACHE
-	bool
-	help
-	  This hidden configuration should be selected when the CPU has an i-cache.
-
 config ARCH_MAPS_ALL_RAM
 	bool
 	help
@@ -906,30 +602,16 @@ config ARCH_MAPS_ALL_RAM
 	  virtual addresses elsewhere, this is limited to only management of the
 	  virtual address space. The kernel's page frame ontology will not consider
 	  this mapping at all; non-kernel pages will be considered free (unless marked
-	  as reserved) and K_MEM_PAGE_FRAME_MAPPED will not be set.
-
-config DCLS
-	bool "Processor is configured in DCLS mode"
-	depends on CPU_HAS_DCLS
-	default y
-	help
-	  This option is enabled when the processor hardware is configured in
-	  Dual-redundant Core Lock-step (DCLS) topology. For the processor that
-	  supports DCLS, but is configured in split-lock mode (by default or
-	  changed at flash time), this option should be disabled.
+	  as reserved) and Z_PAGE_FRAME_MAPPED will not be set.
 
 menuconfig MPU
-	bool "MPU features"
+	bool "Enable MPU features"
 	depends on CPU_HAS_MPU
 	help
 	  This option, when enabled, indicates to the core kernel that an MPU
 	  is enabled.
 
 if MPU
-module = MPU
-module-str = mpu
-source "subsys/logging/Kconfig.template.log_config"
-
 config MPU_REQUIRES_POWER_OF_TWO_ALIGNMENT
 	bool
 	help
@@ -1001,30 +683,10 @@ config SRAM_REGION_PERMISSIONS
 	  paging, do not need memory protection, and would rather not use up
 	  RAM for the alignment between regions.
 
-config CODE_DATA_RELOCATION
-	bool "Support code/data section relocation"
-	depends on ARCH_HAS_CODE_DATA_RELOCATION
-	help
-	  Enable support for relocating .text, data and .bss sections from specified
-	  files and placing them in a chosen memory region. Files to relocate and
-	  the target regions should be specified in CMakeLists.txt using
-	  zephyr_code_relocate().
-
-menu "DSP Options"
-
-config DSP_SHARING
-	bool "DSP register sharing"
-	depends on CPU_HAS_DSP
-	help
-	  This option enables preservation of the hardware DSP registers
-	  across context switches to allow multiple threads to perform concurrent
-	  DSP operations.
-endmenu
-
 menu "Floating Point Options"
 
 config FPU
-	bool "Floating point unit (FPU)"
+	bool "Enable floating point unit (FPU)"
 	depends on CPU_HAS_FPU
 	help
 	  This option enables the hardware Floating Point Unit (FPU), in order to
@@ -1064,56 +726,15 @@ endmenu
 
 menu "Cache Options"
 
-config DCACHE
-	bool "Data cache (d-cache) support"
-	depends on CPU_HAS_DCACHE
-	default y
-	help
-	  This option enables the support for the data cache (d-cache).
-
-config ICACHE
-	bool "Instruction cache (i-cache) support"
-	depends on CPU_HAS_ICACHE
-	default y
-	help
-	  This option enables the support for the instruction cache (i-cache).
-
-config CACHE_HAS_MIRRORED_MEMORY_REGIONS
-	bool "Mirrored memory region(s) for both cached and uncached access"
-	depends on CPU_CACHE_INCOHERENT
-	help
-	  Enable this if hardware has mirrored memory regions at different
-	  addressed when accessing one would go through cache, but accessing
-	  the other would go to memory directly. A pointer can be cheaply
-	  converted to cached or uncached access.
-
-	  This applies to intra-CPU multiprocessing incoherence and makes only
-	  sense when MP_MAX_NUM_CPUS > 1.
-
-config CACHE_DOUBLEMAP
-	bool "Cache double-mapping support"
-	select CACHE_HAS_MIRRORED_MEMORY_REGIONS
-	select DEPRECATED
-	help
-	  Double-mapping behavior where a pointer can be cheaply converted to
-	  point to the same cached/uncached memory at different locations.
-
-	  This applies to intra-CPU multiprocessing incoherence and makes only
-	  sense when MP_MAX_NUM_CPUS > 1.
-
 config CACHE_MANAGEMENT
-	bool "Cache management features"
-	depends on DCACHE || ICACHE
+	bool "Enable cache management features"
 	help
-	  This option enables the cache management functions backed by arch or
-	  driver code.
-
-if CACHE_MANAGEMENT
-
-if DCACHE
+	  This links in the cache management functions (for d-cache and i-cache
+	  where possible).
 
 config DCACHE_LINE_SIZE_DETECT
 	bool "Detect d-cache line size at runtime"
+	depends on CACHE_MANAGEMENT
 	help
 	  This option enables querying some architecture-specific hardware for
 	  finding the d-cache line size at the expense of taking more memory and
@@ -1124,22 +745,19 @@ config DCACHE_LINE_SIZE_DETECT
 	  using the 'd-cache-line-size' property.
 
 config DCACHE_LINE_SIZE
-	int "d-cache line size"
-	depends on !DCACHE_LINE_SIZE_DETECT
-	default $(dt_node_int_prop_int,/cpus/cpu@0,d-cache-line-size) \
-		  if $(dt_node_has_prop,/cpus/cpu@0,d-cache-line-size)
+	int "d-cache line size" if !DCACHE_LINE_SIZE_DETECT
+	depends on CACHE_MANAGEMENT
 	default 0
 	help
-	  Size in bytes of a CPU d-cache line.
+	  Size in bytes of a CPU d-cache line. If this is set to 0 the value is
+	  obtained from the 'd-cache-line-size' DT property instead if present.
+
 
 	  Detect automatically at runtime by selecting DCACHE_LINE_SIZE_DETECT.
 
-endif # DCACHE
-
-if ICACHE
-
 config ICACHE_LINE_SIZE_DETECT
 	bool "Detect i-cache line size at runtime"
+	depends on CACHE_MANAGEMENT
 	help
 	  This option enables querying some architecture-specific hardware for
 	  finding the i-cache line size at the expense of taking more memory and
@@ -1150,52 +768,32 @@ config ICACHE_LINE_SIZE_DETECT
 	  using the 'i-cache-line-size' property.
 
 config ICACHE_LINE_SIZE
-	int "i-cache line size"
-	depends on !ICACHE_LINE_SIZE_DETECT
-	default $(dt_node_int_prop_int,/cpus/cpu@0,i-cache-line-size) \
-		  if $(dt_node_has_prop,/cpus/cpu@0,i-cache-line-size)
+	int "i-cache line size" if !ICACHE_LINE_SIZE_DETECT
+	depends on CACHE_MANAGEMENT
 	default 0
 	help
-	  Size in bytes of a CPU i-cache line.
+	  Size in bytes of a CPU i-cache line. If this is set to 0 the value is
+	  obtained from the 'i-cache-line-size' DT property instead if present.
 
 	  Detect automatically at runtime by selecting ICACHE_LINE_SIZE_DETECT.
 
-endif # ICACHE
-
 choice CACHE_TYPE
 	prompt "Cache type"
-	default ARCH_CACHE
+	depends on CACHE_MANAGEMENT
+	default HAS_ARCH_CACHE
 
-config ARCH_CACHE
+config HAS_ARCH_CACHE
 	bool "Integrated cache controller"
 	help
-	  Integrated on-core cache controller
+	  "Integrade on-core cache controller"
 
-config SOC_CACHE
-	bool "SoC specific cache controller"
-	depends on SOC_HAS_CACHE_FUNCTIONS
-	help
-	  SoC specific cache controller.
-
-	  This requires soc_cache.h file to exist in search path.
-
-config EXTERNAL_CACHE
+config HAS_EXTERNAL_CACHE
 	bool "External cache controller"
 	help
-	  External cache controller
+	  "External cache controller or cache management system"
 
 endchoice
 
-config CACHE_CAN_SAY_MEM_COHERENCE
-	bool
-	help
-	  sys_cache_is_mem_coherent() is defined when enabled. This function can be
-	  used to determine if a pointer lies inside "coherence regions" and can be
-	  safely used in multiprocessor code without explicit flush or invalidate
-	  operations.
-
-endif # CACHE_MANAGEMENT
-
 endmenu
 
 config ARCH
@@ -1203,46 +801,38 @@ config ARCH
 	help
 	  System architecture string.
 
+config SOC
+	string
+	help
+	  SoC name which can be found under soc/<arch>/<soc name>.
+	  This option holds the directory name used by the build system to locate
+	  the correct linker and header files for the SoC.
+
+config SOC_SERIES
+	string
+	help
+	  SoC series name which can be found under soc/<arch>/<family>/<series>.
+	  This option holds the directory name used by the build system to locate
+	  the correct linker and header files.
+
+config SOC_FAMILY
+	string
+	help
+	  SoC family name which can be found under soc/<arch>/<family>.
+	  This option holds the directory name used by the build system to locate
+	  the correct linker and header files.
+
+config BOARD
+	string
+	help
+	  This option holds the name of the board and is used to locate the files
+	  related to the board in the source tree (under boards/).
+	  The Board is the first location where we search for a linker.ld file,
+	  if not found we look for the linker file in
+	  soc/<arch>/<family>/<series>
+
 config TOOLCHAIN_HAS_BUILTIN_FFS
 	bool
 	default y if !(64BIT && RISCV)
 	help
 	  Hidden option to signal that toolchain has __builtin_ffs*().
-
-config ARCH_HAS_CUSTOM_CPU_IDLE
-	bool
-	help
-	  This options allows applications to override the default arch idle implementation with
-	  a custom one.
-
-config ARCH_HAS_CUSTOM_CPU_ATOMIC_IDLE
-	bool
-	help
-	  This options allows applications to override the default arch idle implementation with
-	  a custom one.
-
-config ARCH_HAS_CUSTOM_SWAP_TO_MAIN
-	bool
-	help
-	  It's possible that an architecture port cannot use z_swap_unlocked()
-	  to swap to the main thread (bg_thread_main), but instead must do
-	  something custom. It must enable this option in that case.
-
-config ARCH_HAS_CUSTOM_BUSY_WAIT
-	bool
-	help
-	  It's possible that an architecture port cannot or does not want to use
-	  the provided k_busy_wait(), but instead must do something custom. It must
-	  enable this option in that case.
-
-config ARCH_HAS_CUSTOM_CURRENT_IMPL
-	bool
-	help
-	  Select when architecture implements arch_current_thread() &
-	  arch_current_thread_set().
-
-config ARCH_IPI_LAZY_COPROCESSORS_SAVE
-	bool
-	help
-	  Select when the architecture has multi-CPU lazy context switching
-	  of coprocessor registers.

arch/arc/CMakeLists.txt

@@ -12,36 +12,15 @@ zephyr_cc_option(-fno-delete-null-pointer-checks)
 
 zephyr_cc_option_ifdef(CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS -munaligned-access)
 
-if(NOT COMPILER STREQUAL arcmwdt)
-  if(CONFIG_THREAD_LOCAL_STORAGE)
-    # Instruct compiler to use proper register as cached thread pointer for thread local storage.
-    # For ARCv2 the default register is usually not specified - so we need to specify it
-    # For ARCv3 the register is fixed to r30, so we don't need to specify it
-    zephyr_compile_options_ifdef(CONFIG_ISA_ARCV2 -mtp-regno=26)
-  else()
-    # If thread local storage isn't used - we can safely schedule thread pointer register
-    zephyr_compile_options_ifdef(CONFIG_ISA_ARCV2 -mtp-regno=none)
-  endif()
+if(CONFIG_ISA_ARCV2)
+  # Instruct compiler to use register R26 as thread pointer
+  # for thread local storage.
+  # For ARCv3 the register is fixed to r30, so we don't need to specify it
+  zephyr_cc_option_ifdef(CONFIG_THREAD_LOCAL_STORAGE -mtp-regno=26)
 endif()
 
 add_subdirectory(core)
 
 if(COMPILER STREQUAL arcmwdt)
   add_subdirectory(arcmwdt)
-
-  if(CONFIG_64BIT)
-    zephyr_compile_options(-Ml)
-    # Instruct MWDT assembler not to warn when we load only lower half (32bit) of symbol
-    # instead of full 64bit address in ASM code. It is valid as we don't support Zephyr
-    # linkage to high addresses for 64bit ARC platforms.
-    zephyr_compile_options(-Wa,-offwarn=168)
-  endif()
-endif()
-
-if(CONFIG_ISA_ARCV3 AND CONFIG_64BIT)
-  set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf64-littlearc64)
-elseif(CONFIG_ISA_ARCV3 AND NOT CONFIG_64BIT)
-  set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littlearc64)
-else()
-  set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littlearc)
 endif()

arch/arc/Kconfig

@@ -9,6 +9,7 @@ menu "ARC Options"
 config ARCH
 	default "arc"
 
+
 config CPU_ARCEM
 	bool
 	select ATOMIC_OPERATIONS_C
@@ -18,7 +19,6 @@ config CPU_ARCEM
 config CPU_ARCHS
 	bool
 	select ATOMIC_OPERATIONS_BUILTIN
-	select BARRIER_OPERATIONS_BUILTIN
 	help
 	  This option signifies the use of an ARC HS CPU
 
@@ -31,7 +31,6 @@ config ISA_ARCV2
 	bool "ARC ISA v2"
 	select ARCH_HAS_STACK_PROTECTION if ARC_HAS_STACK_CHECKING || (ARC_MPU && ARC_MPU_VER !=2)
 	select ARCH_HAS_USERSPACE if ARC_MPU
-	select ARCH_HAS_SINGLE_THREAD_SUPPORT if !SMP
 	select USE_SWITCH
 	select USE_SWITCH_SUPPORTED
 	help
@@ -39,7 +38,6 @@ config ISA_ARCV2
 
 config ISA_ARCV3
 	bool "ARC ISA v3"
-	select ARCH_HAS_SINGLE_THREAD_SUPPORT if !SMP
 	select USE_SWITCH
 	select USE_SWITCH_SUPPORTED
 
@@ -76,45 +74,23 @@ config CPU_EM4_FPUDA
 config CPU_EM6
 	bool
 	select CPU_ARCEM
-	select CPU_HAS_DCACHE
-	select CPU_HAS_ICACHE
 	help
 	  If y, the SoC uses an ARC EM6 CPU
 
 config CPU_HS3X
 	bool
 	select CPU_ARCHS
-	select CPU_HAS_DCACHE
-	select CPU_HAS_ICACHE
 	help
-	  If y, the SoC uses an ARC HS3x CPU
-
-config CPU_HS4X
-	bool
-	select CPU_ARCHS
-	select CPU_HAS_DCACHE
-	select CPU_HAS_ICACHE
-	help
-	  If y, the SoC uses an HS4X CPU
+	  If y, the SoC uses an ARC HS3x or HS4x CPU
 
 endif #ISA_ARCV2
 
 if ISA_ARCV3
 
-config CPU_HS5X
-	bool
-	select CPU_ARCHS
-	select CPU_HAS_DCACHE
-	select CPU_HAS_ICACHE
-	help
-	  If y, the SoC uses an ARC HS6x CPU
-
 config CPU_HS6X
 	bool
 	select CPU_ARCHS
 	select 64BIT
-	select CPU_HAS_DCACHE
-	select CPU_HAS_ICACHE
 	help
 	  If y, the SoC uses an ARC HS6x CPU
 
@@ -179,7 +155,6 @@ config ARC_FIRQ
 	bool "FIRQ enable"
 	depends on ISA_ARCV2
 	depends on NUM_IRQ_PRIO_LEVELS > 1
-	depends on !ARC_HAS_SECURE
 	default y
 	help
 	  Fast interrupts are supported (FIRQ). If FIRQ enabled, for interrupts
@@ -193,7 +168,7 @@ config ARC_FIRQ
 	  from the performance point of view.
 
 config ARC_FIRQ_STACK
-	bool "Separate firq stack"
+	bool "Enable separate firq stack"
 	depends on ARC_FIRQ && RGF_NUM_BANKS > 1
 	help
 	  Use separate stack for FIRQ handing. When the fast irq is also a direct
@@ -245,7 +220,7 @@ config ARC_STACK_PROTECTION
 	  prioritized over the MPU-based stack guard.
 
 config ARC_USE_UNALIGNED_MEM_ACCESS
-	bool "Unaligned access in HW"
+	bool "Enable unaligned access in HW"
 	default y if CPU_ARCHS
 	depends on (CPU_ARCEM && !ARC_HAS_SECURE) || CPU_ARCHS
 	help
@@ -253,17 +228,20 @@ config ARC_USE_UNALIGNED_MEM_ACCESS
 	  to support unaligned memory access which is then disabled by default.
 	  Enable unaligned access in hardware and make software to use it.
 
-config ARC_CURRENT_THREAD_USE_NO_TLS
-	bool
-	select CURRENT_THREAD_USE_NO_TLS
-	default y if (RGF_NUM_BANKS > 1) || ("$(ZEPHYR_TOOLCHAIN_VARIANT)" = "arcmwdt")
+config FAULT_DUMP
+	int "Fault dump level"
+	default 2
+	range 0 2
 	help
-	  Disable current Thread Local Storage for ARC. For cores with more than one
-	  RGF_NUM_BANKS the parameter is disabled by-default because banks synchronization
-	  requires significant time, and it slows down performance.
-	  ARCMWDT works with TLS pointer in different way then GCC. Optimized access to
-	  TLS pointer via the _current symbol does not provide significant advantages
-	  in case of MetaWare.
+	  Different levels for display information when a fault occurs.
+
+	  2: The default. Display specific and verbose information. Consumes
+		the most memory (long strings).
+
+	  1: Display general and short information. Consumes less memory
+		(short strings).
+
+	  0: Off.
 
 config GEN_ISR_TABLES
 	default y
@@ -274,7 +252,7 @@ config GEN_IRQ_START_VECTOR
 config HARVARD
 	bool "Harvard Architecture"
 	help
-	  The ARC CPU can be configured to have two buses;
+	  The ARC CPU can be configured to have two busses;
 	  one for instruction fetching and another that serves as a data bus.
 
 config CODE_DENSITY
@@ -283,8 +261,8 @@ config CODE_DENSITY
 	  Enable code density option to get better code density
 
 config ARC_HAS_ACCL_REGS
-	bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6 and/or DSP)"
-	default y if CPU_HS3X || CPU_HS4X || CPU_HS5X || CPU_HS6X
+	bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6)"
+	default y if CPU_HS3X
 	help
 	  Depending on the configuration, CPU can contain accumulator reg-pair
 	  (also referred to as r58:r59). These can also be used by gcc as GPR so
@@ -343,22 +321,11 @@ config ARC_NORMAL_FIRMWARE
 	  resources of the ARC processors, and, therefore, it shall avoid
 	  accessing them.
 
-config ARC_VPX_COOPERATIVE_SHARING
-	bool "Cooperative sharing of ARC VPX vector registers"
-	select SCHED_CPU_MASK if MP_MAX_NUM_CPUS > 1
-	help
-	  This option enables the cooperative sharing of the ARC VPX vector
-	  registers. Threads that want to use those registers must successfully
-	  call arc_vpx_lock() before using them, and call arc_vpx_unlock()
-	  when done using them.
-
-source "arch/arc/core/dsp/Kconfig"
-
 menu "ARC MPU Options"
 depends on CPU_HAS_MPU
 
 config ARC_MPU_ENABLE
-	bool "Memory Protection Unit (MPU)"
+	bool "Enable MPU"
 	select ARC_MPU
 	help
 	  Enable MPU
@@ -370,28 +337,6 @@ endmenu
 config DCACHE_LINE_SIZE
 	default 32
 
-config ARC_DCACHE_REGION_OPERATIONS
-	bool "DCACHE region operations"
-	depends on CACHE_MANAGEMENT && DCACHE
-	default n
-	help
-	  Perform L1 data cache management operations by regions rather than line by line in a loop,
-	  improves performance of cache management operations.
-
-config ARC_SLC
-	bool "System level cache"
-	depends on CACHE_MANAGEMENT && DCACHE && (CPU_HS4X || CPU_HS3X)
-	default n
-	help
-	  This option enables System Level Cache, and adds SLC support to the data cache management operations.
-
-config ARC_SLC_LINE_SIZE
-	int "SLC line size"
-	depends on ARC_SLC
-	default 128
-	help
-	  Size in bytes of a CPU system level cache line.
-
 config ARC_EXCEPTION_STACK_SIZE
 	int "ARC exception handling stack size"
 	default 768 if !64BIT
@@ -404,17 +349,16 @@ config ARC_EXCEPTION_STACK_SIZE
 
 endmenu
 
-config ARC_EARLY_SOC_INIT
-	bool "Make early stage SoC-specific initialization"
+config ARC_EXCEPTION_DEBUG
+	bool "Unhandled exception debugging information"
+	default n
+	depends on PRINTK || LOG
 	help
-	  Call SoC per-core setup code on early stage initialization
-	  (before C runtime initialization). Setup code is called in form of
-	  soc_early_asm_init_percpu assembler macro.
+	  Print human-readable information about exception vectors, cause codes,
+	  and parameters, at a cost of code/data size for the human-readable
+	  strings.
 
-# ARC vector table must be aligned to 1KiB boundary, and will be at the
-# start of the ROM region.
-config ROM_START_OFFSET
-	default 0x400 if BOOTLOADER_MCUBOOT
+endmenu
 
 config MAIN_STACK_SIZE
 	default 4096 if 64BIT
@@ -431,7 +375,7 @@ config IDLE_STACK_SIZE
 config IPM_CONSOLE_STACK_SIZE
 	default 2048 if 64BIT
 
-config TEST_EXTRA_STACK_SIZE
+config TEST_EXTRA_STACKSIZE
 	default 2048 if 64BIT
 
 config CMSIS_THREAD_MAX_STACK_SIZE
@@ -442,5 +386,3 @@ config CMSIS_V2_THREAD_MAX_STACK_SIZE
 
 config CMSIS_V2_THREAD_DYNAMIC_STACK_SIZE
 	default 2048 if 64BIT
-
-endmenu

arch/arc/arcmwdt/CMakeLists.txt

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-if(CONFIG_ARCMWDT_LIBC OR CONFIG_CPP)
+if(CONFIG_ARCMWDT_LIBC OR CONFIG_CPLUSPLUS)
   zephyr_sources(arcmwdt-dtr-stubs.c)
 endif()

arch/arc/arcmwdt/arcmwdt-dtr-stubs.c

@@ -4,10 +4,18 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/toolchain.h>
+#include <toolchain.h>
 
 __weak void *__dso_handle;
 
+int __cxa_atexit(void (*destructor)(void *), void *objptr, void *dso)
+{
+	ARG_UNUSED(destructor);
+	ARG_UNUSED(objptr);
+	ARG_UNUSED(dso);
+	return 0;
+}
+
 int atexit(void (*function)(void))
 {
 	return 0;

arch/arc/core/CMakeLists.txt

@@ -19,14 +19,14 @@ zephyr_library_sources(
   vector_table.c
   )
 
-zephyr_library_sources_ifdef(CONFIG_ARCH_CACHE cache.c)
+zephyr_library_sources_ifdef(CONFIG_CACHE_MANAGEMENT cache.c)
 zephyr_library_sources_ifdef(CONFIG_ARC_FIRQ fast_irq.S)
 
 zephyr_library_sources_ifdef(CONFIG_IRQ_OFFLOAD irq_offload.c)
 
 zephyr_library_sources_ifdef(CONFIG_USERSPACE userspace.S)
 zephyr_library_sources_ifdef(CONFIG_ARC_CONNECT arc_connect.c)
-zephyr_library_sources_ifdef(CONFIG_ARC_CONNECT smp.c)
+zephyr_library_sources_ifdef(CONFIG_ARC_CONNECT arc_smp.c)
 
 zephyr_library_sources_ifdef(CONFIG_THREAD_LOCAL_STORAGE tls.c)
 
@@ -34,5 +34,3 @@ add_subdirectory_ifdef(CONFIG_ARC_CORE_MPU mpu)
 add_subdirectory_ifdef(CONFIG_ARC_SECURE_FIRMWARE secureshield)
 
 zephyr_linker_sources(ROM_START SORT_KEY 0x0vectors vector_table.ld)
-
-zephyr_library_sources_ifdef(CONFIG_LLEXT elf.c)

arch/arc/core/arc_connect.c

@@ -10,9 +10,9 @@
  *
  */
 
-#include <zephyr/kernel.h>
-#include <zephyr/arch/cpu.h>
-#include <zephyr/spinlock.h>
+#include <kernel.h>
+#include <arch/cpu.h>
+#include <spinlock.h>
 #include <kernel_internal.h>
 
 static struct k_spinlock arc_connect_spinlock;
@@ -20,7 +20,7 @@ static struct k_spinlock arc_connect_spinlock;
 /* Generate an inter-core interrupt to the target core */
 void z_arc_connect_ici_generate(uint32_t core)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_INTRPT_GENERATE_IRQ, core);
 	}
 }
@@ -28,7 +28,7 @@ void z_arc_connect_ici_generate(uint32_t core)
 /* Acknowledge the inter-core interrupt raised by core */
 void z_arc_connect_ici_ack(uint32_t core)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_INTRPT_GENERATE_ACK, core);
 	}
 }
@@ -38,7 +38,7 @@ uint32_t z_arc_connect_ici_read_status(uint32_t core)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_INTRPT_READ_STATUS, core);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -51,7 +51,7 @@ uint32_t z_arc_connect_ici_check_src(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_INTRPT_CHECK_SOURCE, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -64,7 +64,7 @@ void z_arc_connect_ici_clear(void)
 {
 	uint32_t cpu, c;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 
 		z_arc_connect_cmd(ARC_CONNECT_CMD_INTRPT_CHECK_SOURCE, 0);
 		cpu = z_arc_connect_cmd_readback(); /* 1,2,4,8... */
@@ -85,7 +85,7 @@ void z_arc_connect_ici_clear(void)
 /* Reset the cores in core_mask */
 void z_arc_connect_debug_reset(uint32_t core_mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_DEBUG_RESET,
 			0, core_mask);
 	}
@@ -94,7 +94,7 @@ void z_arc_connect_debug_reset(uint32_t core_mask)
 /* Halt the cores in core_mask */
 void z_arc_connect_debug_halt(uint32_t core_mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_DEBUG_HALT,
 			0, core_mask);
 	}
@@ -103,7 +103,7 @@ void z_arc_connect_debug_halt(uint32_t core_mask)
 /* Run the cores in core_mask */
 void z_arc_connect_debug_run(uint32_t core_mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_DEBUG_RUN,
 			0, core_mask);
 	}
@@ -112,7 +112,7 @@ void z_arc_connect_debug_run(uint32_t core_mask)
 /* Set core mask */
 void z_arc_connect_debug_mask_set(uint32_t core_mask, uint32_t mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_DEBUG_SET_MASK,
 			mask, core_mask);
 	}
@@ -123,7 +123,7 @@ uint32_t z_arc_connect_debug_mask_read(uint32_t core_mask)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_DEBUG_READ_MASK,
 			0, core_mask);
 		ret = z_arc_connect_cmd_readback();
@@ -137,7 +137,7 @@ uint32_t z_arc_connect_debug_mask_read(uint32_t core_mask)
  */
 void z_arc_connect_debug_select_set(uint32_t core_mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_DEBUG_SET_SELECT,
 			0, core_mask);
 	}
@@ -148,7 +148,7 @@ uint32_t z_arc_connect_debug_select_read(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_DEBUG_READ_SELECT, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -161,7 +161,7 @@ uint32_t z_arc_connect_debug_en_read(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_DEBUG_READ_EN, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -174,7 +174,7 @@ uint32_t z_arc_connect_debug_cmd_read(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_DEBUG_READ_CMD, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -187,7 +187,7 @@ uint32_t z_arc_connect_debug_core_read(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_DEBUG_READ_CORE, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -198,7 +198,7 @@ uint32_t z_arc_connect_debug_core_read(void)
 /* Clear global free running counter */
 void z_arc_connect_gfrc_clear(void)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_GFRC_CLEAR, 0);
 	}
 }
@@ -233,7 +233,7 @@ uint64_t z_arc_connect_gfrc_read(void)
 /* Enable global free running counter */
 void z_arc_connect_gfrc_enable(void)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_GFRC_ENABLE, 0);
 	}
 }
@@ -241,7 +241,7 @@ void z_arc_connect_gfrc_enable(void)
 /* Disable global free running counter */
 void z_arc_connect_gfrc_disable(void)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_GFRC_DISABLE, 0);
 	}
 }
@@ -249,7 +249,7 @@ void z_arc_connect_gfrc_disable(void)
 /* Disable global free running counter */
 void z_arc_connect_gfrc_core_set(uint32_t core_mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_GFRC_SET_CORE,
 			0, core_mask);
 	}
@@ -260,7 +260,7 @@ uint32_t z_arc_connect_gfrc_halt_read(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_GFRC_READ_HALT, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -273,7 +273,7 @@ uint32_t z_arc_connect_gfrc_core_read(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_GFRC_READ_CORE, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -284,7 +284,7 @@ uint32_t z_arc_connect_gfrc_core_read(void)
 /* Enable interrupt distribute unit */
 void z_arc_connect_idu_enable(void)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_ENABLE, 0);
 	}
 }
@@ -292,7 +292,7 @@ void z_arc_connect_idu_enable(void)
 /* Disable interrupt distribute unit */
 void z_arc_connect_idu_disable(void)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_DISABLE, 0);
 	}
 }
@@ -302,7 +302,7 @@ uint32_t z_arc_connect_idu_read_enable(void)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_READ_ENABLE, 0);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -317,7 +317,7 @@ uint32_t z_arc_connect_idu_read_enable(void)
 void z_arc_connect_idu_set_mode(uint32_t irq_num,
 	uint16_t trigger_mode, uint16_t distri_mode)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_IDU_SET_MODE,
 			irq_num, (distri_mode | (trigger_mode << 4)));
 	}
@@ -328,7 +328,7 @@ uint32_t z_arc_connect_idu_read_mode(uint32_t irq_num)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_READ_MODE, irq_num);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -342,7 +342,7 @@ uint32_t z_arc_connect_idu_read_mode(uint32_t irq_num)
  */
 void z_arc_connect_idu_set_dest(uint32_t irq_num, uint32_t core_mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_IDU_SET_DEST,
 			irq_num, core_mask);
 	}
@@ -353,7 +353,7 @@ uint32_t z_arc_connect_idu_read_dest(uint32_t irq_num)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_READ_DEST, irq_num);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -364,7 +364,7 @@ uint32_t z_arc_connect_idu_read_dest(uint32_t irq_num)
 /* Assert the specified common interrupt */
 void z_arc_connect_idu_gen_cirq(uint32_t irq_num)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_GEN_CIRQ, irq_num);
 	}
 }
@@ -372,7 +372,7 @@ void z_arc_connect_idu_gen_cirq(uint32_t irq_num)
 /* Acknowledge the specified common interrupt */
 void z_arc_connect_idu_ack_cirq(uint32_t irq_num)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_ACK_CIRQ, irq_num);
 	}
 }
@@ -382,7 +382,7 @@ uint32_t z_arc_connect_idu_check_status(uint32_t irq_num)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_CHECK_STATUS, irq_num);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -395,7 +395,7 @@ uint32_t z_arc_connect_idu_check_source(uint32_t irq_num)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_CHECK_SOURCE, irq_num);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -406,7 +406,7 @@ uint32_t z_arc_connect_idu_check_source(uint32_t irq_num)
 /* Mask or unmask the specified common interrupt */
 void z_arc_connect_idu_set_mask(uint32_t irq_num, uint32_t mask)
 {
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd_data(ARC_CONNECT_CMD_IDU_SET_MASK,
 			irq_num, mask);
 	}
@@ -417,7 +417,7 @@ uint32_t z_arc_connect_idu_read_mask(uint32_t irq_num)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_READ_MASK, irq_num);
 		ret = z_arc_connect_cmd_readback();
 	}
@@ -433,7 +433,7 @@ uint32_t z_arc_connect_idu_check_first(uint32_t irq_num)
 {
 	uint32_t ret = 0;
 
-	K_SPINLOCK(&arc_connect_spinlock) {
+	LOCKED(&arc_connect_spinlock) {
 		z_arc_connect_cmd(ARC_CONNECT_CMD_IDU_CHECK_FIRST, irq_num);
 		ret = z_arc_connect_cmd_readback();
 	}

arch/arc/core/arc_smp.c

@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2019 Synopsys.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file
+ * @brief codes required for ARC multicore and Zephyr smp support
+ *
+ */
+#include <device.h>
+#include <kernel.h>
+#include <kernel_structs.h>
+#include <ksched.h>
+#include <soc.h>
+#include <init.h>
+
+
+#ifndef IRQ_ICI
+#define IRQ_ICI 19
+#endif
+
+#define ARCV2_ICI_IRQ_PRIORITY 1
+
+volatile struct {
+	arch_cpustart_t fn;
+	void *arg;
+} arc_cpu_init[CONFIG_MP_NUM_CPUS];
+
+/*
+ * arc_cpu_wake_flag is used to sync up master core and slave cores
+ * Slave core will spin for arc_cpu_wake_flag until master core sets
+ * it to the core id of slave core. Then, slave core clears it to notify
+ * master core that it's waken
+ *
+ */
+volatile uint32_t arc_cpu_wake_flag;
+
+volatile char *arc_cpu_sp;
+/*
+ * _curr_cpu is used to record the struct of _cpu_t of each cpu.
+ * for efficient usage in assembly
+ */
+volatile _cpu_t *_curr_cpu[CONFIG_MP_NUM_CPUS];
+
+/* Called from Zephyr initialization */
+void arch_start_cpu(int cpu_num, k_thread_stack_t *stack, int sz,
+		    arch_cpustart_t fn, void *arg)
+{
+	_curr_cpu[cpu_num] = &(_kernel.cpus[cpu_num]);
+	arc_cpu_init[cpu_num].fn = fn;
+	arc_cpu_init[cpu_num].arg = arg;
+
+	/* set the initial sp of target sp through arc_cpu_sp
+	 * arc_cpu_wake_flag will protect arc_cpu_sp that
+	 * only one slave cpu can read it per time
+	 */
+	arc_cpu_sp = Z_KERNEL_STACK_BUFFER(stack) + sz;
+
+	arc_cpu_wake_flag = cpu_num;
+
+	/* wait slave cpu to start */
+	while (arc_cpu_wake_flag != 0U) {
+		;
+	}
+}
+
+#ifdef CONFIG_SMP
+static void arc_connect_debug_mask_update(int cpu_num)
+{
+	uint32_t core_mask = 1 << cpu_num;
+
+	core_mask |= z_arc_connect_debug_select_read();
+	z_arc_connect_debug_select_set(core_mask);
+	/* Debugger halts cores at all conditions:
+	 * ARC_CONNECT_CMD_DEBUG_MASK_H: Core global halt.
+	 * ARC_CONNECT_CMD_DEBUG_MASK_AH: Actionpoint halt.
+	 * ARC_CONNECT_CMD_DEBUG_MASK_BH: Software breakpoint halt.
+	 * ARC_CONNECT_CMD_DEBUG_MASK_SH: Self halt.
+	 */
+	z_arc_connect_debug_mask_set(core_mask,	(ARC_CONNECT_CMD_DEBUG_MASK_SH
+		| ARC_CONNECT_CMD_DEBUG_MASK_BH | ARC_CONNECT_CMD_DEBUG_MASK_AH
+		| ARC_CONNECT_CMD_DEBUG_MASK_H));
+}
+#endif
+
+/* the C entry of slave cores */
+void z_arc_slave_start(int cpu_num)
+{
+	arch_cpustart_t fn;
+
+#ifdef CONFIG_SMP
+	struct arc_connect_bcr bcr;
+
+	bcr.val = z_arc_v2_aux_reg_read(_ARC_V2_CONNECT_BCR);
+
+	if (bcr.dbg) {
+		/* configure inter-core debug unit if available */
+		arc_connect_debug_mask_update(cpu_num);
+	}
+
+	z_irq_setup();
+
+	z_arc_connect_ici_clear();
+	z_irq_priority_set(IRQ_ICI, ARCV2_ICI_IRQ_PRIORITY, 0);
+	irq_enable(IRQ_ICI);
+#endif
+	/* call the function set by arch_start_cpu */
+	fn = arc_cpu_init[cpu_num].fn;
+
+	fn(arc_cpu_init[cpu_num].arg);
+}
+
+#ifdef CONFIG_SMP
+
+static void sched_ipi_handler(const void *unused)
+{
+	ARG_UNUSED(unused);
+
+	z_arc_connect_ici_clear();
+	z_sched_ipi();
+}
+
+/* arch implementation of sched_ipi */
+void arch_sched_ipi(void)
+{
+	uint32_t i;
+
+	/* broadcast sched_ipi request to other cores
+	 * if the target is current core, hardware will ignore it
+	 */
+	for (i = 0U; i < CONFIG_MP_NUM_CPUS; i++) {
+		z_arc_connect_ici_generate(i);
+	}
+}
+
+static int arc_smp_init(const struct device *dev)
+{
+	ARG_UNUSED(dev);
+	struct arc_connect_bcr bcr;
+
+	/* necessary master core init */
+	_curr_cpu[0] = &(_kernel.cpus[0]);
+
+	bcr.val = z_arc_v2_aux_reg_read(_ARC_V2_CONNECT_BCR);
+
+	if (bcr.dbg) {
+		/* configure inter-core debug unit if available */
+		arc_connect_debug_mask_update(0);
+	}
+
+	if (bcr.ipi) {
+	/* register ici interrupt, just need master core to register once */
+		z_arc_connect_ici_clear();
+		IRQ_CONNECT(IRQ_ICI, ARCV2_ICI_IRQ_PRIORITY,
+		    sched_ipi_handler, NULL, 0);
+
+		irq_enable(IRQ_ICI);
+	} else {
+		__ASSERT(0,
+			"ARC connect has no inter-core interrupt\n");
+		return -ENODEV;
+	}
+
+	if (bcr.gfrc) {
+		/* global free running count init */
+		z_arc_connect_gfrc_enable();
+
+		/* when all cores halt, gfrc halt */
+		z_arc_connect_gfrc_core_set((1 << CONFIG_MP_NUM_CPUS) - 1);
+		z_arc_connect_gfrc_clear();
+	} else {
+		__ASSERT(0,
+			"ARC connect has no global free running counter\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+SYS_INIT(arc_smp_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+#endif

arch/arc/core/cache.c

@@ -2,7 +2,6 @@
 
 /*
  * Copyright (c) 2016 Synopsys, Inc. All rights reserved.
- * Copyright (c) 2025 GSI Technology, All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -14,50 +13,33 @@
  * This module contains functions for manipulation of the d-cache.
  */
 
-#include <zephyr/kernel.h>
-#include <zephyr/arch/cpu.h>
-#include <zephyr/sys/util.h>
-#include <zephyr/toolchain.h>
-#include <zephyr/cache.h>
-#include <zephyr/linker/linker-defs.h>
-#include <zephyr/arch/arc/v2/aux_regs.h>
+#include <kernel.h>
+#include <arch/cpu.h>
+#include <sys/util.h>
+#include <toolchain.h>
+#include <cache.h>
+#include <linker/linker-defs.h>
+#include <arch/arc/v2/aux_regs.h>
 #include <kernel_internal.h>
-#include <zephyr/sys/__assert.h>
-#include <zephyr/init.h>
+#include <sys/__assert.h>
+#include <init.h>
 #include <stdbool.h>
 
 #if defined(CONFIG_DCACHE_LINE_SIZE_DETECT)
 size_t sys_cache_line_size;
 #endif
 
-#define DC_CTRL_DC_ENABLE            0x0   /* enable d-cache */
-#define DC_CTRL_DC_DISABLE           0x1   /* disable d-cache */
-#define DC_CTRL_INVALID_ONLY         0x0   /* invalid d-cache only */
-#define DC_CTRL_INVALID_FLUSH        0x40  /* invalid and flush d-cache */
-#define DC_CTRL_ENABLE_FLUSH_LOCKED  0x80  /* locked d-cache can be flushed */
-#define DC_CTRL_DISABLE_FLUSH_LOCKED 0x0   /* locked d-cache cannot be flushed */
-#define DC_CTRL_FLUSH_STATUS         0x100 /* flush status */
-#define DC_CTRL_DIRECT_ACCESS        0x0   /* direct access mode  */
-#define DC_CTRL_INDIRECT_ACCESS      0x20  /* indirect access mode */
-#define DC_CTRL_OP_SUCCEEDED         0x4   /* d-cache operation succeeded */
-#define DC_CTRL_INVALIDATE_MODE      0x40  /* d-cache invalidate mode bit */
-#define DC_CTRL_REGION_OP            0xe00 /* d-cache region operation */
+#define DC_CTRL_DC_ENABLE            0x0  /* enable d-cache */
+#define DC_CTRL_DC_DISABLE           0x1  /* disable d-cache */
+#define DC_CTRL_INVALID_ONLY         0x0  /* invalid d-cache only */
+#define DC_CTRL_INVALID_FLUSH        0x40 /* invalid and flush d-cache */
+#define DC_CTRL_ENABLE_FLUSH_LOCKED  0x80 /* locked d-cache can be flushed */
+#define DC_CTRL_DISABLE_FLUSH_LOCKED 0x0  /* locked d-cache cannot be flushed */
+#define DC_CTRL_FLUSH_STATUS         0x100/* flush status */
+#define DC_CTRL_DIRECT_ACCESS        0x0  /* direct access mode  */
+#define DC_CTRL_INDIRECT_ACCESS      0x20 /* indirect access mode */
+#define DC_CTRL_OP_SUCCEEDED         0x4  /* d-cache operation succeeded */
 
-#define MMU_BUILD_PHYSICAL_ADDR_EXTENSION 0x1000 /* physical address extension enable mask */
-
-#define SLC_CTRL_DISABLE         0x1   /* SLC disable */
-#define SLC_CTRL_INVALIDATE_MODE 0x40  /* SLC invalidate mode  */
-#define SLC_CTRL_BUSY_STATUS     0x100 /* SLC busy status */
-#define SLC_CTRL_REGION_OP       0xe00 /* SLC region operation */
-
-#if defined(CONFIG_ARC_SLC)
-/*
- * spinlock is used for SLC access because depending on HW configuration, the SLC might be shared
- * between the cores, and in this case, only one core is allowed to access the SLC register
- * interface at a time.
- */
-static struct k_spinlock slc_lock;
-#endif
 
 static bool dcache_available(void)
 {
@@ -74,297 +56,22 @@ static void dcache_dc_ctrl(uint32_t dcache_en_mask)
 	}
 }
 
-static bool pae_exists(void)
-{
-	uint32_t bcr = z_arc_v2_aux_reg_read(_ARC_V2_MMU_BUILD);
-
-	return 1 == FIELD_GET(MMU_BUILD_PHYSICAL_ADDR_EXTENSION, bcr);
-}
-
-#if defined(CONFIG_ARC_SLC)
-static void slc_enable(void)
-{
-	uint32_t val = z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-
-	val &= ~SLC_CTRL_DISABLE;
-	z_arc_v2_aux_reg_write(_ARC_V2_SLC_CTRL, val);
-}
-
-static void slc_high_addr_init(void)
-{
-	z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_END1, 0);
-	z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_START1, 0);
-}
-
-static void slc_flush_region(void *start_addr_ptr, size_t size)
-{
-	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
-	uintptr_t end_addr;
-	uint32_t ctrl;
-
-	K_SPINLOCK(&slc_lock) {
-		ctrl = z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-
-		ctrl &= ~SLC_CTRL_REGION_OP;
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_CTRL, ctrl);
-
-		/*
-		 * END needs to be setup before START (latter triggers the operation)
-		 * END can't be same as START, so add (l2_line_sz - 1) to sz
-		 */
-		end_addr = start_addr + size + CONFIG_ARC_SLC_LINE_SIZE - 1;
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_END, end_addr);
-		/* Align start address to cache line size, see STAR 5103816 */
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_START,
-				       start_addr & ~(CONFIG_ARC_SLC_LINE_SIZE - 1));
-
-		/* Make sure "busy" bit reports correct status, see STAR 9001165532 */
-		z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		while (z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL) & SLC_CTRL_BUSY_STATUS) {
-			/* Do Nothing */
-		}
-	}
-}
-
-static void slc_invalidate_region(void *start_addr_ptr, size_t size)
-{
-	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
-	uintptr_t end_addr;
-	uint32_t ctrl;
-
-	K_SPINLOCK(&slc_lock) {
-		ctrl = z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-
-		ctrl &= ~SLC_CTRL_INVALIDATE_MODE;
-
-		ctrl &= ~SLC_CTRL_REGION_OP;
-		ctrl |= FIELD_PREP(SLC_CTRL_REGION_OP, 0x1);
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_CTRL, ctrl);
-
-		/*
-		 * END needs to be setup before START (latter triggers the operation)
-		 * END can't be same as START, so add (l2_line_sz - 1) to sz
-		 */
-		end_addr = start_addr + size + CONFIG_ARC_SLC_LINE_SIZE - 1;
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_END, end_addr);
-		/* Align start address to cache line size, see STAR 5103816 */
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_START,
-				       start_addr & ~(CONFIG_ARC_SLC_LINE_SIZE - 1));
-
-		/* Make sure "busy" bit reports correct status, see STAR 9001165532 */
-		z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		while (z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL) & SLC_CTRL_BUSY_STATUS) {
-			/* Do Nothing */
-		}
-	}
-}
-
-static void slc_flush_and_invalidate_region(void *start_addr_ptr, size_t size)
-{
-	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
-	uintptr_t end_addr;
-	uint32_t ctrl;
-
-	K_SPINLOCK(&slc_lock) {
-		ctrl = z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-
-		ctrl |= SLC_CTRL_INVALIDATE_MODE;
-
-		ctrl &= ~SLC_CTRL_REGION_OP;
-		ctrl |= FIELD_PREP(SLC_CTRL_REGION_OP, 0x1);
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_CTRL, ctrl);
-
-		/*
-		 * END needs to be setup before START (latter triggers the operation)
-		 * END can't be same as START, so add (l2_line_sz - 1) to sz
-		 */
-		end_addr = start_addr + size + CONFIG_ARC_SLC_LINE_SIZE - 1;
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_END, end_addr);
-		/* Align start address to cache line size, see STAR 5103816 */
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_RGN_START,
-				       start_addr & ~(CONFIG_ARC_SLC_LINE_SIZE - 1));
-
-		/* Make sure "busy" bit reports correct status, see STAR 9001165532 */
-		z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		while (z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL) & SLC_CTRL_BUSY_STATUS) {
-			/* Do Nothing */
-		}
-	}
-}
-
-static void slc_flush_all(void)
-{
-	K_SPINLOCK(&slc_lock) {
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_FLUSH, 0x1);
-
-		/* Make sure "busy" bit reports correct status, see STAR 9001165532 */
-		z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		while (z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL) & SLC_CTRL_BUSY_STATUS) {
-			/* Do Nothing */
-		}
-	}
-}
-
-static void slc_invalidate_all(void)
-{
-	uint32_t ctrl;
-
-	K_SPINLOCK(&slc_lock) {
-		ctrl = z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		ctrl &= ~SLC_CTRL_INVALIDATE_MODE;
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_CTRL, ctrl);
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_INVALIDATE, 0x1);
-
-		/* Make sure "busy" bit reports correct status, see STAR 9001165532 */
-		z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		while (z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL) & SLC_CTRL_BUSY_STATUS) {
-			/* Do Nothing */
-		}
-	}
-}
-
-static void slc_flush_and_invalidate_all(void)
-{
-	uint32_t ctrl;
-
-	K_SPINLOCK(&slc_lock) {
-		ctrl = z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		ctrl |= SLC_CTRL_INVALIDATE_MODE;
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_CTRL, ctrl);
-
-		z_arc_v2_aux_reg_write(_ARC_V2_SLC_INVALIDATE, 0x1);
-
-		/* Make sure "busy" bit reports correct status, see STAR 9001165532 */
-		z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL);
-		while (z_arc_v2_aux_reg_read(_ARC_V2_SLC_CTRL) & SLC_CTRL_BUSY_STATUS) {
-			/* Do Nothing */
-		}
-	}
-}
-#endif /* CONFIG_ARC_SLC */
-
 void arch_dcache_enable(void)
 {
 	dcache_dc_ctrl(DC_CTRL_DC_ENABLE);
-
-#if defined(CONFIG_ARC_SLC)
-	slc_enable();
-#endif
 }
 
-void arch_dcache_disable(void)
-{
-	/* nothing */
-}
-
-#if defined(CONFIG_ARC_DCACHE_REGION_OPERATIONS)
-static void dcache_high_addr_init(void)
-{
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_PTAG_HI, 0);
-}
-
-static void dcache_flush_region(void *start_addr_ptr, size_t size)
+static void arch_dcache_flush(void *start_addr_ptr, size_t size)
 {
 	size_t line_size = sys_cache_data_line_size_get();
 	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
 	uintptr_t end_addr;
-	uint32_t ctrl;
 	unsigned int key;
 
-	key = arch_irq_lock(); /* --enter critical section-- */
-
-	ctrl = z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL);
-
-	ctrl &= ~DC_CTRL_REGION_OP;
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_CTRL, ctrl);
-
-	end_addr = start_addr + size + line_size - 1;
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_ENDR, end_addr);
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_STARTR, start_addr);
-
-	while (z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL) & DC_CTRL_FLUSH_STATUS) {
-		/* Do nothing */
+	if (!dcache_available() || (size == 0U) || line_size == 0U) {
+		return;
 	}
 
-	arch_irq_unlock(key); /* --exit critical section-- */
-}
-
-static void dcache_invalidate_region(void *start_addr_ptr, size_t size)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
-	uintptr_t end_addr;
-	uint32_t ctrl;
-	unsigned int key;
-
-	key = arch_irq_lock(); /* --enter critical section-- */
-
-	ctrl = z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL);
-
-	ctrl &= ~DC_CTRL_INVALIDATE_MODE;
-
-	ctrl &= ~DC_CTRL_REGION_OP;
-	ctrl |= FIELD_PREP(DC_CTRL_REGION_OP, 0x1);
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_CTRL, ctrl);
-
-	end_addr = start_addr + size + line_size - 1;
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_ENDR, end_addr);
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_STARTR, start_addr);
-
-	arch_irq_unlock(key); /* --exit critical section-- */
-}
-
-static void dcache_flush_and_invalidate_region(void *start_addr_ptr, size_t size)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
-	uintptr_t end_addr;
-	uint32_t ctrl;
-	unsigned int key;
-
-	key = arch_irq_lock(); /* --enter critical section-- */
-
-	ctrl = z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL);
-
-	ctrl |= DC_CTRL_INVALIDATE_MODE;
-
-	ctrl &= ~DC_CTRL_REGION_OP;
-	ctrl |= FIELD_PREP(DC_CTRL_REGION_OP, 0x1);
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_CTRL, ctrl);
-
-	end_addr = start_addr + size + line_size - 1;
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_ENDR, end_addr);
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_STARTR, start_addr);
-
-	while (z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL) & DC_CTRL_FLUSH_STATUS) {
-		/* Do nothing */
-	}
-
-	arch_irq_unlock(key); /* --exit critical section-- */
-}
-
-#else /* CONFIG_ARC_DCACHE_REGION_OPERATIONS */
-
-static void dcache_flush_lines(void *start_addr_ptr, size_t size)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
-	uintptr_t end_addr;
-	unsigned int key;
-
 	end_addr = start_addr + size;
 
 	start_addr = ROUND_DOWN(start_addr, line_size);
@@ -387,25 +94,24 @@ static void dcache_flush_lines(void *start_addr_ptr, size_t size)
 	} while (start_addr < end_addr);
 
 	arch_irq_unlock(key); /* --exit critical section-- */
+
 }
 
-static void dcache_invalidate_lines(void *start_addr_ptr, size_t size)
+static void arch_dcache_invd(void *start_addr_ptr, size_t size)
 {
 	size_t line_size = sys_cache_data_line_size_get();
 	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
 	uintptr_t end_addr;
 	unsigned int key;
-	uint32_t ctrl;
 
+	if (!dcache_available() || (size == 0U) || line_size == 0U) {
+		return;
+	}
 	end_addr = start_addr + size;
 	start_addr = ROUND_DOWN(start_addr, line_size);
 
 	key = arch_irq_lock(); /* -enter critical section- */
 
-	ctrl = z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL);
-	ctrl &= ~DC_CTRL_INVALIDATE_MODE;
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_CTRL, ctrl);
-
 	do {
 		z_arc_v2_aux_reg_write(_ARC_V2_DC_IVDL, start_addr);
 		__builtin_arc_nop();
@@ -416,179 +122,20 @@ static void dcache_invalidate_lines(void *start_addr_ptr, size_t size)
 	irq_unlock(key); /* -exit critical section- */
 }
 
-static void dcache_flush_and_invalidate_lines(void *start_addr_ptr, size_t size)
+int arch_dcache_range(void *addr, size_t size, int op)
 {
-	size_t line_size = sys_cache_data_line_size_get();
-	uintptr_t start_addr = (uintptr_t)start_addr_ptr;
-	uintptr_t end_addr;
-	unsigned int key;
-	uint32_t ctrl;
-
-	end_addr = start_addr + size;
-	start_addr = ROUND_DOWN(start_addr, line_size);
-
-	key = arch_irq_lock(); /* -enter critical section- */
-
-	ctrl = z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL);
-	ctrl |= DC_CTRL_INVALIDATE_MODE;
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_CTRL, ctrl);
-
-	do {
-		z_arc_v2_aux_reg_write(_ARC_V2_DC_IVDL, start_addr);
-		__builtin_arc_nop();
-		__builtin_arc_nop();
-		__builtin_arc_nop();
-		start_addr += line_size;
-	} while (start_addr < end_addr);
-	irq_unlock(key); /* -exit critical section- */
-}
-
-#endif /* CONFIG_ARC_DCACHE_REGION_OPERATIONS */
-
-int arch_dcache_flush_range(void *start_addr_ptr, size_t size)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-
-	if (!dcache_available() || (size == 0U) || line_size == 0U) {
+	if (op == K_CACHE_INVD) {
+		/*
+		 * TODO: On invalidate we can contextually flush by setting the
+		 * DC_CTRL_INVALID_FLUSH bit
+		 */
+		arch_dcache_invd(addr, size);
+	} else if (op == K_CACHE_WB) {
+		arch_dcache_flush(addr, size);
+	} else {
 		return -ENOTSUP;
 	}
 
-#if defined(CONFIG_ARC_DCACHE_REGION_OPERATIONS)
-	dcache_flush_region(start_addr_ptr, size);
-#else
-	dcache_flush_lines(start_addr_ptr, size);
-#endif
-
-#if defined(CONFIG_ARC_SLC)
-	slc_flush_region(start_addr_ptr, size);
-#endif
-
-	return 0;
-}
-
-int arch_dcache_invd_range(void *start_addr_ptr, size_t size)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-
-	if (!dcache_available() || (size == 0U) || line_size == 0U) {
-		return -ENOTSUP;
-	}
-
-#if defined(CONFIG_ARC_DCACHE_REGION_OPERATIONS)
-	dcache_invalidate_region(start_addr_ptr, size);
-#else
-	dcache_invalidate_lines(start_addr_ptr, size);
-#endif
-
-#if defined(CONFIG_ARC_SLC)
-	slc_invalidate_region(start_addr_ptr, size);
-#endif
-
-	return 0;
-}
-
-int arch_dcache_flush_and_invd_range(void *start_addr_ptr, size_t size)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-
-	if (!dcache_available() || (size == 0U) || line_size == 0U) {
-		return -ENOTSUP;
-	}
-
-#if defined(CONFIG_ARC_DCACHE_REGION_OPERATIONS)
-	dcache_flush_and_invalidate_region(start_addr_ptr, size);
-#else
-	dcache_flush_and_invalidate_lines(start_addr_ptr, size);
-#endif
-
-#if defined(CONFIG_ARC_SLC)
-	slc_flush_and_invalidate_region(start_addr_ptr, size);
-#endif
-
-	return 0;
-}
-
-int arch_dcache_flush_all(void)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-	unsigned int key;
-
-	if (!dcache_available() || line_size == 0U) {
-		return -ENOTSUP;
-	}
-
-	key = irq_lock();
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_FLSH, 0x1);
-
-	while (z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL) & DC_CTRL_FLUSH_STATUS) {
-		/* Do nothing */
-	}
-
-	irq_unlock(key);
-
-#if defined(CONFIG_ARC_SLC)
-	slc_flush_all();
-#endif
-
-	return 0;
-}
-
-int arch_dcache_invd_all(void)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-	unsigned int key;
-	uint32_t ctrl;
-
-	if (!dcache_available() || line_size == 0U) {
-		return -ENOTSUP;
-	}
-
-	key = irq_lock();
-
-	ctrl = z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL);
-	ctrl &= ~DC_CTRL_INVALIDATE_MODE;
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_CTRL, ctrl);
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_IVDC, 0x1);
-
-	irq_unlock(key);
-
-#if defined(CONFIG_ARC_SLC)
-	slc_invalidate_all();
-#endif
-
-	return 0;
-}
-
-int arch_dcache_flush_and_invd_all(void)
-{
-	size_t line_size = sys_cache_data_line_size_get();
-	unsigned int key;
-	uint32_t ctrl;
-
-	if (!dcache_available() || line_size == 0U) {
-		return -ENOTSUP;
-	}
-
-	key = irq_lock();
-
-	ctrl = z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL);
-	ctrl |= DC_CTRL_INVALIDATE_MODE;
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_CTRL, ctrl);
-
-	z_arc_v2_aux_reg_write(_ARC_V2_DC_IVDC, 0x1);
-
-	while (z_arc_v2_aux_reg_read(_ARC_V2_DC_CTRL) & DC_CTRL_FLUSH_STATUS) {
-		/* Do nothing */
-	}
-
-	irq_unlock(key);
-
-#if defined(CONFIG_ARC_SLC)
-	slc_flush_and_invalidate_all();
-#endif
-
 	return 0;
 }
 
@@ -610,81 +157,17 @@ size_t arch_dcache_line_size_get(void)
 }
 #endif
 
-void arch_icache_enable(void)
+static int init_dcache(const struct device *unused)
 {
-	/* nothing */
-}
+	ARG_UNUSED(unused);
 
-void arch_icache_disable(void)
-{
-	/* nothing */
-}
-
-int arch_icache_flush_all(void)
-{
-	return -ENOTSUP;
-}
-
-int arch_icache_invd_all(void)
-{
-	return -ENOTSUP;
-}
-
-int arch_icache_flush_and_invd_all(void)
-{
-	return -ENOTSUP;
-}
-
-int arch_icache_flush_range(void *addr, size_t size)
-{
-	ARG_UNUSED(addr);
-	ARG_UNUSED(size);
-
-	return -ENOTSUP;
-}
-
-int arch_icache_invd_range(void *addr, size_t size)
-{
-	ARG_UNUSED(addr);
-	ARG_UNUSED(size);
-
-	return -ENOTSUP;
-}
-
-int arch_icache_flush_and_invd_range(void *addr, size_t size)
-{
-	ARG_UNUSED(addr);
-	ARG_UNUSED(size);
-
-	return -ENOTSUP;
-}
-
-static int init_dcache(void)
-{
-	sys_cache_data_enable();
+	arch_dcache_enable();
 
 #if defined(CONFIG_DCACHE_LINE_SIZE_DETECT)
 	init_dcache_line_size();
 #endif
 
-	/*
-	 * Init high address registers to 0 if PAE exists, cache operations for 40 bit addresses not
-	 * implemented
-	 */
-	if (pae_exists()) {
-#if defined(CONFIG_ARC_DCACHE_REGION_OPERATIONS)
-		dcache_high_addr_init();
-#endif
-#if defined(CONFIG_ARC_SLC)
-		slc_high_addr_init();
-#endif
-	}
-
 	return 0;
 }
 
-
-void arch_cache_init(void)
-{
-	init_dcache();
-}
+SYS_INIT(init_dcache, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);

arch/arc/core/cpu_idle.S

@@ -11,12 +11,12 @@
  * CPU power management routines.
  */
 
-#include <zephyr/kernel_structs.h>
+#include <kernel_structs.h>
 #include <offsets_short.h>
-#include <zephyr/toolchain.h>
-#include <zephyr/linker/sections.h>
-#include <zephyr/arch/cpu.h>
-#include <zephyr/arch/arc/asm-compat/assembler.h>
+#include <toolchain.h>
+#include <linker/sections.h>
+#include <arch/cpu.h>
+#include <arch/arc/asm-compat/assembler.h>
 
 GTEXT(arch_cpu_idle)
 GTEXT(arch_cpu_atomic_idle)
@@ -26,7 +26,6 @@ SECTION_VAR(BSS, z_arc_cpu_sleep_mode)
 	.align 4
 	.word 0
 
-#ifndef CONFIG_ARCH_HAS_CUSTOM_CPU_IDLE
 /*
  * @brief Put the CPU in low-power mode
  *
@@ -49,9 +48,7 @@ SECTION_FUNC(TEXT, arch_cpu_idle)
 	sleep r1
 	j_s [blink]
 	nop
-#endif
 
-#ifndef CONFIG_ARCH_HAS_CUSTOM_CPU_ATOMIC_IDLE
 /*
  * @brief Put the CPU in low-power mode, entered with IRQs locked
  *
@@ -59,7 +56,6 @@ SECTION_FUNC(TEXT, arch_cpu_idle)
  *
  * void arch_cpu_atomic_idle(unsigned int key)
  */
-
 SECTION_FUNC(TEXT, arch_cpu_atomic_idle)
 
 #ifdef CONFIG_TRACING
@@ -74,4 +70,3 @@ SECTION_FUNC(TEXT, arch_cpu_atomic_idle)
 	sleep r1
 	j_s.d [blink]
 	seti r0
-#endif

arch/arc/core/dsp/Kconfig

@@ -1,70 +0,0 @@
-# Digital Signal Processing (DSP) configuration options
-
-# Copyright (c) 2022 Synopsys
-# SPDX-License-Identifier: Apache-2.0
-
-menu "ARC DSP Options"
-depends on CPU_HAS_DSP
-
-config ARC_DSP
-	bool "digital signal processing (DSP)"
-	help
-	  This option enables DSP and DSP instructions.
-
-config ARC_DSP_TURNED_OFF
-	bool "Turn off DSP if it presents"
-	depends on !ARC_DSP
-	help
-	  This option disables DSP block via resetting DSP_CRTL register.
-
-config DSP_SHARING
-	bool "DSP register sharing"
-	depends on ARC_DSP && MULTITHREADING
-	select ARC_HAS_ACCL_REGS
-	help
-	  This option enables preservation of the hardware DSP registers
-	  across context switches to allow multiple threads to perform concurrent
-	  DSP operations.
-
-config ARC_DSP_BFLY_SHARING
-	bool "ARC complex DSP operation"
-	depends on ARC_DSP && CPU_ARCEM
-	help
-	  This option is to enable Zephyr to store and restore DSP_BFLY0
-	  and FFT_CTRL registers during context switch. This option is
-	  only required when butterfly instructions are used in
-	  multi-thread.
-
-config ARC_XY_ENABLE
-	bool "ARC address generation unit registers"
-	help
-	  Processors with XY memory and AGU registers can configure this
-	  option to accelerate DSP instructions.
-
-config ARC_AGU_SHARING
-	bool "ARC address generation unit register sharing"
-	depends on ARC_XY_ENABLE && MULTITHREADING
-	default y if DSP_SHARING
-	help
-	  This option enables preservation of the hardware AGU registers
-	  across context switches to allow multiple threads to perform concurrent
-	  operations on XY memory. Save and restore small size AGU registers is
-	  set as default, including 4 address pointers regs, 2 address offset regs
-	  and 4 modifiers regs.
-
-config ARC_AGU_MEDIUM
-	bool "ARC AGU medium size register"
-	depends on ARC_AGU_SHARING
-	help
-	  Save and restore medium AGU registers, including 8 address pointers regs,
-	  4 address offset regs and 12 modifiers regs.
-
-config ARC_AGU_LARGE
-	bool "ARC AGU large size register"
-	depends on ARC_AGU_SHARING
-	select ARC_AGU_MEDIUM
-	help
-	  Save and restore large AGU registers, including 12 address pointers regs,
-	  8 address offset regs and 24 modifiers regs.
-
-endmenu

arch/arc/core/dsp/dsp_offsets.c

@@ -1,70 +0,0 @@
-/*
- * Copyright (c) 2022 Synopsys.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @file
- * @brief ARCv2 DSP and AGU structure member offset definition file
- *
- */
-#ifdef CONFIG_DSP_SHARING
-GEN_OFFSET_SYM(_callee_saved_stack_t, dsp_ctrl);
-GEN_OFFSET_SYM(_callee_saved_stack_t, acc0_glo);
-GEN_OFFSET_SYM(_callee_saved_stack_t, acc0_ghi);
-#ifdef CONFIG_ARC_DSP_BFLY_SHARING
-GEN_OFFSET_SYM(_callee_saved_stack_t, dsp_bfly0);
-GEN_OFFSET_SYM(_callee_saved_stack_t, dsp_fft_ctrl);
-#endif
-#endif
-#ifdef CONFIG_ARC_AGU_SHARING
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap0);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap1);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap2);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap3);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os0);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os1);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod0);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod1);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod2);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod3);
-#ifdef CONFIG_ARC_AGU_MEDIUM
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap4);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap5);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap6);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap7);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os2);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os3);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod4);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod5);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod6);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod7);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod8);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod9);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod10);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod11);
-#endif
-#ifdef CONFIG_ARC_AGU_LARGE
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap8);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap9);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap10);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_ap11);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os4);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os5);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os6);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_os7);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod12);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod13);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod14);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod15);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod16);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod17);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod18);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod19);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod20);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod21);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod22);
-GEN_OFFSET_SYM(_callee_saved_stack_t, agu_mod23);
-#endif
-#endif

arch/arc/core/dsp/swap_dsp_macros.h

@@ -1,269 +0,0 @@
-/*
- * Copyright (c) 2022 Synopsys.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @file
- * @brief save and load macro for ARCv2 DSP and AGU regs
- *
- */
-.macro _save_dsp_regs
-#ifdef CONFIG_DSP_SHARING
-	ld_s r13, [r2, ___thread_base_t_user_options_OFFSET]
-	bbit0 r13, K_DSP_IDX, dsp_skip_save
-	lr r13, [_ARC_V2_DSP_CTRL]
-	st_s r13, [sp, ___callee_saved_stack_t_dsp_ctrl_OFFSET]
-	lr r13, [_ARC_V2_ACC0_GLO]
-	st_s r13, [sp, ___callee_saved_stack_t_acc0_glo_OFFSET]
-	lr r13, [_ARC_V2_ACC0_GHI]
-	st_s r13, [sp, ___callee_saved_stack_t_acc0_ghi_OFFSET]
-#ifdef CONFIG_ARC_DSP_BFLY_SHARING
-	lr r13, [_ARC_V2_DSP_BFLY0]
-	st_s r13, [sp, ___callee_saved_stack_t_dsp_bfly0_OFFSET]
-	lr r13, [_ARC_V2_DSP_FFT_CTRL]
-	st_s r13, [sp, ___callee_saved_stack_t_dsp_fft_ctrl_OFFSET]
-#endif
-#endif
-dsp_skip_save :
-#ifdef CONFIG_ARC_AGU_SHARING
-	_save_agu_regs
-#endif
-.endm
-
-.macro _save_agu_regs
-#ifdef CONFIG_ARC_AGU_SHARING
-	ld_s r13, [r2, ___thread_base_t_user_options_OFFSET]
-	btst r13, K_AGU_IDX
-
-	jeq agu_skip_save
-
-	lr r13, [_ARC_V2_AGU_AP0]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap0_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP1]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap1_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP2]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap2_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP3]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap3_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS0]
-	st r13, [sp, ___callee_saved_stack_t_agu_os0_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS1]
-	st r13, [sp, ___callee_saved_stack_t_agu_os1_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD0]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod0_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD1]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod1_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD2]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod2_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD3]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod3_OFFSET]
-#ifdef CONFIG_ARC_AGU_MEDIUM
-	lr r13, [_ARC_V2_AGU_AP4]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap4_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP5]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap5_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP6]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap6_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP7]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap7_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS2]
-	st r13, [sp, ___callee_saved_stack_t_agu_os2_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS3]
-	st r13, [sp, ___callee_saved_stack_t_agu_os3_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD4]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod4_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD5]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod5_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD6]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod6_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD7]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod7_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD8]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod8_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD9]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod9_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD10]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod10_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD11]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod11_OFFSET]
-#endif
-#ifdef CONFIG_ARC_AGU_LARGE
-	lr r13, [_ARC_V2_AGU_AP8]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap8_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP9]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap9_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP10]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap10_OFFSET]
-	lr r13, [_ARC_V2_AGU_AP11]
-	st r13, [sp, ___callee_saved_stack_t_agu_ap11_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS4]
-	st r13, [sp, ___callee_saved_stack_t_agu_os4_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS5]
-	st r13, [sp, ___callee_saved_stack_t_agu_os5_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS6]
-	st r13, [sp, ___callee_saved_stack_t_agu_os6_OFFSET]
-	lr r13, [_ARC_V2_AGU_OS7]
-	st r13, [sp, ___callee_saved_stack_t_agu_os7_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD12]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod12_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD13]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod13_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD14]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod14_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD15]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod15_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD16]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod16_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD17]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod17_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD18]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod18_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD19]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod19_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD20]
-	st r13, [sp, ___callee_saved_stack_t_agu_mod20_OFFSET]
-	lr r13, [_ARC_V2_AGU_MOD21]
-	_st32_huge_offset r13, sp, ___callee_saved_stack_t_agu_mod21_OFFSET, r1
-	lr r13, [_ARC_V2_AGU_MOD22]
-	_st32_huge_offset r13, sp, ___callee_saved_stack_t_agu_mod22_OFFSET, r1
-	lr r13, [_ARC_V2_AGU_MOD23]
-	_st32_huge_offset r13, sp, ___callee_saved_stack_t_agu_mod23_OFFSET, r1
-#endif
-#endif
-agu_skip_save :
-.endm
-
-.macro _load_dsp_regs
-#ifdef CONFIG_DSP_SHARING
-	ld_s r13, [r2, ___thread_base_t_user_options_OFFSET]
-	bbit0 r13, K_DSP_IDX, dsp_skip_load
-	ld_s r13, [sp, ___callee_saved_stack_t_dsp_ctrl_OFFSET]
-	sr r13, [_ARC_V2_DSP_CTRL]
-	ld_s r13, [sp, ___callee_saved_stack_t_acc0_glo_OFFSET]
-	sr r13, [_ARC_V2_ACC0_GLO]
-	ld_s r13, [sp, ___callee_saved_stack_t_acc0_ghi_OFFSET]
-	sr r13, [_ARC_V2_ACC0_GHI]
-#ifdef CONFIG_ARC_DSP_BFLY_SHARING
-	ld_s r13, [sp, ___callee_saved_stack_t_dsp_bfly0_OFFSET]
-	sr r13, [_ARC_V2_DSP_BFLY0]
-	ld_s r13, [sp, ___callee_saved_stack_t_dsp_fft_ctrl_OFFSET]
-	sr r13, [_ARC_V2_DSP_FFT_CTRL]
-#endif
-#endif
-dsp_skip_load :
-#ifdef CONFIG_ARC_AGU_SHARING
-	_load_agu_regs
-#endif
-.endm
-
-.macro _load_agu_regs
-#ifdef CONFIG_ARC_AGU_SHARING
-	ld_s r13, [r2, ___thread_base_t_user_options_OFFSET]
-	btst r13, K_AGU_IDX
-
-	jeq agu_skip_load
-
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap0_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP0]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap1_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP1]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap2_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP2]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap3_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP3]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os0_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS0]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os1_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS1]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod0_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD0]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod1_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD1]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod2_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD2]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod3_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD3]
-#ifdef CONFIG_ARC_AGU_MEDIUM
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap4_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP4]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap5_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP5]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap6_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP6]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap7_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP7]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os2_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS2]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os3_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS3]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod4_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD4]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod5_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD5]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod6_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD6]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod7_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD7]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod8_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD8]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod9_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD9]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod10_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD10]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod11_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD11]
-#endif
-#ifdef CONFIG_ARC_AGU_LARGE
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap8_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP8]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap9_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP9]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap10_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP10]
-	ld r13, [sp, ___callee_saved_stack_t_agu_ap11_OFFSET]
-	sr r13, [_ARC_V2_AGU_AP11]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os4_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS4]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os5_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS5]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os6_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS6]
-	ld r13, [sp, ___callee_saved_stack_t_agu_os7_OFFSET]
-	sr r13, [_ARC_V2_AGU_OS7]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod12_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD12]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod13_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD13]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod14_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD14]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod15_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD15]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod16_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD16]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod17_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD17]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod18_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD18]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod19_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD19]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod20_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD20]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod21_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD21]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod22_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD22]
-	ld r13, [sp, ___callee_saved_stack_t_agu_mod23_OFFSET]
-	sr r13, [_ARC_V2_AGU_MOD23]
-#endif
-#endif
-agu_skip_load :
-.endm
-
-.macro _dsp_extension_probe
-#ifdef CONFIG_ARC_DSP_TURNED_OFF
-	mov	 r0, 0 /* DSP_CTRL_DISABLED_ALL */
-	sr	 r0, [_ARC_V2_DSP_CTRL]
-#endif
-.endm