Add Makefile check for PAuth and AArch64
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>
diff --git a/Makefile b/Makefile
index 41a64f9..16b4ccc 100644
--- a/Makefile
+++ b/Makefile
@@ -454,14 +454,20 @@
# 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.
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)
else
$(info ENABLE_PAUTH and CTX_INCLUDE_PAUTH_REGS are experimental features)
endif
else
ifeq ($(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