6f6c3a1fb6
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert X64/TestAndClearBit.asm to X64/TestAndClearBit.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16319 6f19259b-4bc3-4df7-8a09-765794883524
17 lines
273 B
NASM
17 lines
273 B
NASM
DEFAULT REL
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SECTION .text
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; INT32
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; EFIAPI
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; TestAndClearBit (
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; IN INT32 Bit, // rcx
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; IN volatile VOID* Address // rdx
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; );
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global ASM_PFX(TestAndClearBit)
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ASM_PFX(TestAndClearBit):
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lock
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btr [rdx], ecx
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sbb eax, eax
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ret
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