diff options
Diffstat (limited to 'docs/user-guide.rst')
| -rw-r--r-- | docs/user-guide.rst | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/docs/user-guide.rst b/docs/user-guide.rst index 542fd80e..13f09641 100644 --- a/docs/user-guide.rst +++ b/docs/user-guide.rst @@ -219,7 +219,8 @@ Common build options - ``ARM_ARCH_MAJOR``: The major version of ARM Architecture to target when compiling ARM Trusted Firmware. Its value must be numeric, and defaults to - 8 . See also, *ARMv8 Architecture Extensions* in `Firmware Design`_. + 8 . See also, *ARMv8 Architecture Extensions* and + *ARMv7 Architecture Extensions* in `Firmware Design`_. - ``ARM_ARCH_MINOR``: The minor version of ARM Architecture to target when compiling ARM Trusted Firmware. Its value must be a numeric, and defaults @@ -320,6 +321,11 @@ Common build options payload. Please refer to the "Booting an EL3 payload" section for more details. +- ``ENABLE_AMU``: Boolean option to enable Activity Monitor Unit extensions. + This is an optional architectural feature available on v8.4 onwards. Some + v8.2 implementations also implement an AMU and this option can be used to + enable this feature on those systems as well. Default is 0. + - ``ENABLE_ASSERTIONS``: This option controls whether or not calls to ``assert()`` are compiled out. For debug builds, this option defaults to 1, and calls to ``assert()`` are left in place. For release builds, this option defaults to 0 @@ -348,6 +354,17 @@ Common build options The default is 1 but is automatically disabled when the target architecture is AArch32. +- ``ENABLE_SVE_FOR_NS``: Boolean option to enable Scalable Vector Extension + (SVE) for the Non-secure world only. SVE is an optional architectural feature + for AArch64. Note that when SVE is enabled for the Non-secure world, access + to SIMD and floating-point functionality from the Secure world is disabled. + This is to avoid corruption of the Non-secure world data in the Z-registers + which are aliased by the SIMD and FP registers. The build option is not + compatible with the ``CTX_INCLUDE_FPREGS`` build option, and will raise an + assert on platforms where SVE is implemented and ``ENABLE_SVE_FOR_NS`` set to + 1. The default is 1 but is automatically disabled when the target + architecture is AArch32. + - ``ENABLE_STACK_PROTECTOR``: String option to enable the stack protection checks in GCC. Allowed values are "all", "strong" and "0" (default). "strong" is the recommended stack protection level if this feature is @@ -1206,7 +1223,7 @@ corrupted binaries. make ARCH=aarch64 PLAT=juno LOAD_IMAGE_V2=1 JUNO_AARCH32_EL3_RUNTIME=1 \ BL33=<path-to-juno32-oe-uboot>/SOFTWARE/bl33-uboot.bin \ - SCP_BL2=<path-to-juno32-oe-uboot>/SOFTWARE/scp_bl2.bin SPD=tspd \ + SCP_BL2=<path-to-juno32-oe-uboot>/SOFTWARE/scp_bl2.bin \ BL32=<path-to-bl32>/bl32.bin all fip The resulting BL1 and FIP images may be found in: |