mirror of https://github.com/acidanthera/audk.git
16 lines
411 B
ArmAsm
16 lines
411 B
ArmAsm
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# UINT16
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# EFIAPI
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# InternalSyncCompareExchange16 (
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# IN volatile UINT16 *Value,
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# IN UINT16 CompareValue,
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# IN UINT16 ExchangeValue
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# );
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ASM_GLOBAL ASM_PFX(InternalSyncCompareExchange16)
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ASM_PFX(InternalSyncCompareExchange16):
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mov 4(%esp), %ecx
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mov 8(%esp), %eax
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mov 12(%esp), %edx
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lock
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cmpxchgw %dx, (%ecx)
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ret
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