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authorBrendan Jackman <brendan.jackman@arm.com>2014-05-08 14:59:04 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2014-05-08 14:59:04 +0000
commit73ca50096eea3edc64e2c635b6b6d99fbb5572d5 (patch)
treec2005188cc6c82478ff1a1e0e3c101297e64d53e /ArmPlatformPkg/ArmVExpressPkg
parent7eb1d8522a583b2a0a8eea5034be7b30ab14e0f8 (diff)
downloadedk2-platforms-73ca50096eea3edc64e2c635b6b6d99fbb5572d5.tar.xz
ARM Packages: Use AND instead of BIC instruction with immediate
AARCH64 does not have a BIC-with-immediate instruction. GAS assembles it as a AND with the immediate inverted, but Clang's integrated assembler emits an error. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Brendan Jackman <brendan.jackman@arm.com> Reviewed-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15509 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/ArmVExpressPkg')
-rw-r--r--ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/GicV3.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/GicV3.S b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/GicV3.S
index 7d9c25c769..035e095493 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/GicV3.S
+++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/GicV3.S
@@ -12,6 +12,7 @@
//
#include <AsmMacroIoLibV8.h>
+#include <Chipset/AArch64.h>
#ifndef __clang__
// Register definitions used by GCC for GICv3 access.
@@ -64,6 +65,6 @@ ASM_PFX(InitializeGicV3):
// Remove the SCR.NS bit
mrs x0, scr_el3
- bic x0, x0, #1
+ and x0, x0, #~SCR_NS
msr scr_el3, x0
ret