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Add Makefile check for PAuth and AArch64

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Pointer authentication is supported only in AArch64. A relevant check is
added for that in the Makefile.

Change-Id: I021ba65a9bd5764fd33292bee42617015e04a870
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>
This commit is contained in:
John Tsichritzis 2019-05-07 14:09:09 +01:00
parent f2f0846598
commit dfc66a178b
1 changed files with 8 additions and 2 deletions
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10
Makefile
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@ -454,14 +454,20 @@ endif
# registers associated to it are also saved and restored. Not doing it would # registers associated to it are also saved and restored. Not doing it would
# leak the value of the key used by EL3 to EL1 and S-EL1. # leak the value of the key used by EL3 to EL1 and S-EL1.
ifeq ($(ENABLE_PAUTH),1) ifeq ($(ENABLE_PAUTH),1)
ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) ifneq ($(ARCH),aarch64)
$(error ENABLE_PAUTH=1 requires AArch64)
else ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
$(error ENABLE_PAUTH=1 requires CTX_INCLUDE_PAUTH_REGS=1) $(error ENABLE_PAUTH=1 requires CTX_INCLUDE_PAUTH_REGS=1)
else else
$(info ENABLE_PAUTH and CTX_INCLUDE_PAUTH_REGS are experimental features) $(info ENABLE_PAUTH and CTX_INCLUDE_PAUTH_REGS are experimental features)
endif endif
else else
ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
$(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) ifneq ($(ARCH),aarch64)
$(error CTX_INCLUDE_PAUTH_REGS=1 requires AArch64)
else
$(info CTX_INCLUDE_PAUTH_REGS is an experimental feature)
endif
endif endif
endif endif