MdePkg/BaseMemoryLibOptDxe AARCH64: Make asm files BTI compatible

Add the BTI instructions and the associated note to make the AArch64 asm
objects compatible with BTI enforcement.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
This commit is contained in:
Ard Biesheuvel
2023-03-25 17:37:30 +01:00
committed by mergify[bot]
parent c4c7fb2174
commit 0ee255f50a
5 changed files with 9 additions and 0 deletions

View File

@@ -178,6 +178,7 @@ L(copy_long):
ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
ASM_PFX(InternalMemCopyMem):
AARCH64_BTI(c)
sub tmp2, dstin, src
cmp count, 96
ccmp tmp2, count, 2, hi