31c0aa2fd0
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert Ia32/TestAndClearBit.asm to Ia32/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@16316 6f19259b-4bc3-4df7-8a09-765794883524
17 lines
269 B
NASM
17 lines
269 B
NASM
SECTION .text
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; INT32
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; EFIAPI
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; TestAndClearBit (
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; IN INT32 Bit,
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; IN volatile VOID* Address
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; );
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global ASM_PFX(TestAndClearBit)
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ASM_PFX(TestAndClearBit):
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mov ecx, [esp + 4]
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mov edx, [esp + 8]
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lock btr [edx], ecx
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sbb eax, eax
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ret
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