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cortex-M ports: Clarify hardware-saved exception frame size variable (#1314)

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* cortex-M ports: Clarify hardware-saved exception frame size variable

- Rename ulStackFrameSize to ulHardwareSavedExceptionFrameSize to
reflect the hardware-saved exception frame (8 or 26 words based
on FPU/lazy stacking).
- Add comments explaining standard vs extended frames.
- Apply across Cortex-M ports.
- No functional change, improves readability.

Signed-off-by: Ahmed Ismail <Ahmed.Ismail@arm.com>
Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>

* kernel-checker-script: Modify Arm copyright header regex

Arm's copyright header regex is modified with the following:

* Accept both single year copyright headers (e.g., "2024")
and year range copyright headers (e.g., "2024-2025").

* Accept both single-line copyright header and also
multi-line header.

* Add the escape backslash to accept only literal dot
not any character.

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
Signed-off-by: Ahmed Ismail <Ahmed.Ismail@arm.com>

---------

Signed-off-by: Ahmed Ismail <Ahmed.Ismail@arm.com>
Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
Ahmed Ismail 2025-09-09 07:25:42 +01:00 • committed by GitHub
parent ccabdec2f8
commit 44ae6cf61a
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27 changed files with 561 additions and 343 deletions
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8
.github/scripts/kernel_checker.py vendored
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@ -114,6 +114,10 @@ KERNEL_ARM_COLLAB_FILES_PATTERNS = [
r'.*portable/.*/ARM_CM35*',
r'.*portable/.*/ARM_CM55*',
r'.*portable/.*/ARM_CM85*',
r'.*portable/.*/ARM_CM0*',
r'.*portable/.*/ARM_CM3_MPU*',
r'.*portable/.*/ARM_CM4_MPU*',
r'.*portable/.*/ARM_CM4F_MPU*',
]
KERNEL_HEADER = [
@ -150,8 +154,8 @@ KERNEL_HEADER = [
FREERTOS_COPYRIGHT_REGEX = r"^(;|#)?( *(\/\*|\*|#|\/\/))? Copyright \(C\) 20\d\d Amazon.com, Inc. or its affiliates. All Rights Reserved\.( \*\/)?$"
FREERTOS_ARM_COLLAB_COPYRIGHT_REGEX = r"(^(;|#)?( *(\/\*|\*|#|\/\/))? Copyright \(C\) 20\d\d Amazon.com, Inc. or its affiliates. All Rights Reserved\.( \*\/)?$)|" + \
r"(^(;|#)?( *(\/\*|\*|#|\/\/))? Copyright 20\d\d Arm Limited and/or its affiliates( \*\/)?$)|" + \
r"(^(;|#)?( *(\/\*|\*|#|\/\/))? <open-source-office@arm.com>( \*\/)?$)"
r"(^(;|#)?( *(\/\*|\*|#|\/\/))? Copyright 20\d\d(-20\d\d)? Arm Limited and/or its affiliates( +<open-source-office@arm\.com>)?( \*\/)?$)|" + \
r"(^(;|#)?( *(\/\*|\*|#|\/\/))? <open-source-office@arm\.com>( \*\/)?$)"
class KernelHeaderChecker(HeaderChecker):