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| author | Alexei Fedorov <Alexei.Fedorov@arm.com> | 2020-12-07 16:38:53 +0000 |
|---|---|---|
| committer | Alexei Fedorov <Alexei.Fedorov@arm.com> | 2020-12-10 15:31:51 +0000 |
| commit | f18217902a4c84c2cb6695164ffa1db540a0146b (patch) | |
| tree | 44dd1c041c1b75d0022832bc4393a5ab8f268e1e /docs | |
| parent | 2736aca5972d66f4a36267dbb458b3730e95e40e (diff) | |
| download | platform_external_arm-trusted-firmware-f18217902a4c84c2cb6695164ffa1db540a0146b.tar.gz platform_external_arm-trusted-firmware-f18217902a4c84c2cb6695164ffa1db540a0146b.tar.bz2 platform_external_arm-trusted-firmware-f18217902a4c84c2cb6695164ffa1db540a0146b.zip | |
TF-A: Add build option for Arm Feature Modifiers
This patch adds a new ARM_ARCH_FEATURE build option
to add support for compiler's feature modifiers.
It has the form '[no]feature+...' and defaults to
'none'. This option translates into compiler option
'-march=armvX[.Y]-a+[no]feature+...'.
Change-Id: I37742f270a898f5d6968e146cbcc04cbf53ef2ad
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/getting_started/build-options.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst index 8adf4ad8b..d4eb6a768 100644 --- a/docs/getting_started/build-options.rst +++ b/docs/getting_started/build-options.rst @@ -26,6 +26,12 @@ Common build options ``aarch64`` or ``aarch32`` as values. By default, it is defined to ``aarch64``. +- ``ARM_ARCH_FEATURE``: Optional Arm Architecture build option which specifies + one or more feature modifiers. This option has the form ``[no]feature+...`` + and defaults to ``none``. It translates into compiler option + ``-march=armvX[.Y]-a+[no]feature+...``. See compiler's documentation for the + list of supported feature modifiers. + - ``ARM_ARCH_MAJOR``: The major version of Arm Architecture to target when compiling TF-A. Its value must be numeric, and defaults to 8 . See also, *Armv8 Architecture Extensions* and *Armv7 Architecture Extensions* in |