diff options
| -rw-r--r-- | docs/user-guide.rst | 6 | ||||
| -rw-r--r-- | make_helpers/defaults.mk | 13 |
2 files changed, 5 insertions, 14 deletions
diff --git a/docs/user-guide.rst b/docs/user-guide.rst index 172e7932..eeacc169 100644 --- a/docs/user-guide.rst +++ b/docs/user-guide.rst @@ -344,9 +344,9 @@ Common build options the ``ENABLE_PMF`` build option as well. Default is 0. - ``ENABLE_SPE_FOR_LOWER_ELS`` : Boolean option to enable Statistical Profiling - extensions. This is an optional architectural feature available only for - AArch64 8.2 onwards. This option defaults to 1 but is automatically - disabled when the target architecture is AArch32 or AArch64 8.0/8.1. + extensions. This is an optional architectural feature for AArch64. + 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). diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk index 660e54e7..b7ce051b 100644 --- a/make_helpers/defaults.mk +++ b/make_helpers/defaults.mk @@ -149,19 +149,10 @@ V := 0 # platforms). WARMBOOT_ENABLE_DCACHE_EARLY := 0 -# By default, enable Statistical Profiling Extensions. -# The top level Makefile will disable this feature depending on -# the target architecture and version number. +# Build option to enable/disable the Statistical Profiling Extensions ENABLE_SPE_FOR_LOWER_ELS := 1 -# SPE is enabled by default but only supported on AArch64 8.2 onwards. -# Disable it in all other cases. +# SPE is only supported on AArch64 so disable it on AArch32. ifeq (${ARCH},aarch32) override ENABLE_SPE_FOR_LOWER_ELS := 0 -else - ifeq (${ARM_ARCH_MAJOR},8) - ifeq ($(ARM_ARCH_MINOR),$(filter $(ARM_ARCH_MINOR),0 1)) - ENABLE_SPE_FOR_LOWER_ELS := 0 - endif - endif endif |