StandaloneMmPkg: Enforce alignment check for AArch64

On AArch64, Standalone MM during the SEC phase runs in S-EL0 with
SCTLR_EL1.A=1. This patch adds the -mstrict-align compiler flag to
ensure that the generated code is compliant with the runtime
alignment checks.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Signed-off-by: Sughosh Ganu <sughosh.ganu@arm.com>
Reviewed-by: Achin Gupta <achin.gupta@arm.com>

diff --git a/StandaloneMmPkg/StandaloneMmPkg.dsc b/StandaloneMmPkg/StandaloneMmPkg.dsc
index 84de1ab0f13a6b7df6a77bde9960e0154908c6c6..3470e1102cc3e3b09e43fdd99681c7e80fff78fc 100644 (file)
--- a/StandaloneMmPkg/StandaloneMmPkg.dsc
+++ b/StandaloneMmPkg/StandaloneMmPkg.dsc
@@ -128,4 +128,5 @@
 #\r
 ###################################################################################################\r
 [BuildOptions.AARCH64]\r
-GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000 -march=armv8-a+nofp\r
+GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000 -march=armv8-a+nofp -mstrict-align\r
+GCC:*_*_*_CC_FLAGS = -mstrict-align\r