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| author | Mark Dykes <mark.dykes@arm.com> | 2023-09-18 16:29:12 +0200 |
|---|---|---|
| committer | TrustedFirmware Code Review <review@review.trustedfirmware.org> | 2023-09-18 16:29:12 +0200 |
| commit | 57b557d0380419dc06e92ac9ef345f24265f420a (patch) | |
| tree | 39f226136f0b7c1b34de05813531c4b2257dc5e5 /docs | |
| parent | 6ab8bb76cb418fc555deebdce25b9f500672f66b (diff) | |
| parent | f5211420b5a9f1ce0fdcc8cc0a8e90dfc42c51e8 (diff) | |
Merge "refactor(cpufeat): refactor arch feature build options" into integration
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/porting-guide.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/porting-guide.rst b/docs/porting-guide.rst index 5a017ce0f..f612e1ca5 100644 --- a/docs/porting-guide.rst +++ b/docs/porting-guide.rst @@ -3463,6 +3463,15 @@ build system. to ``no``. If any of the options ``EL3_PAYLOAD_BASE`` or ``PRELOADED_BL33_BASE`` are used, this flag will be set to ``no`` automatically. +- **ARM_ARCH_MAJOR and ARM_ARCH_MINOR** + By default, ARM_ARCH_MAJOR.ARM_ARCH_MINOR is set to 8.0 in ``defaults.mk``, + if the platform makefile/build defines or uses the correct ARM_ARCH_MAJOR and + ARM_ARCH_MINOR then mandatory Architectural features available for that Arch + version will be enabled by default and any optional Arch feature supported by + the Architecture and available in TF-A can be enabled from platform specific + makefile. Look up to ``arch_features.mk`` for details pertaining to mandatory + and optional Arch specific features. + Platform include paths ---------------------- |