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Makefile: Add FEAT_RNG support define 

Define ENABLE_FEAT_RNG that describes whether the
armv8.5 FEAT_RNG is supported in this build. This
allows conditional inclusion of code targetting
RNDR and RNDRRS registers.

Signed-off-by: Tomas Pilar <tomas@nuviainc.com>
Change-Id: Idd632f8b9bc20ea3d8793f55ead88fa12cb08821
This commit is contained in:
Tomas Pilar 2020-10-29 13:01:16 +00:00
parent 7c802c715f
commit 12cd65e091
1 changed files with 5 additions and 0 deletions
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5
Makefile
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@ -242,6 +242,9 @@ endif
$(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
endif # arch-features
# Determine if FEAT_RNG is supported
ENABLE_FEAT_RNG = $(if $(findstring rng,${arch-features}),1,0)
ifneq ($(findstring armclang,$(notdir $(CC))),)
TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive)
TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive)
@ -940,6 +943,7 @@ $(eval $(call assert_booleans,\
RAS_TRAP_LOWER_EL_ERR_ACCESS \
COT_DESC_IN_DTB \
USE_SP804_TIMER \
ENABLE_FEAT_RNG \
)))
$(eval $(call assert_numerics,\
@ -1030,6 +1034,7 @@ $(eval $(call add_defines,\
RAS_TRAP_LOWER_EL_ERR_ACCESS \
COT_DESC_IN_DTB \
USE_SP804_TIMER \
ENABLE_FEAT_RNG \
)))
ifeq (${SANITIZE_UB},trap)