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MdePkg/BaseLib AARCH64: Make asm files BTI compatible

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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 17:37:10 +01:00
committed by mergify[bot]
parent e504b3917e
commit c4c7fb2174
8 changed files with 10 additions and 0 deletions
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MdePkg/Library/BaseLib/AArch64/EnableInterrupts.S
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@@ -26,5 +26,6 @@ GCC_ASM_EXPORT(EnableInterrupts)
# );
#
ASM_PFX(EnableInterrupts):
AARCH64_BTI(c)
msr daifclr, #DAIF_WR_IRQ_BIT
ret