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;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2015, Linaro Ltd. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; InterlockedCompareExchange16.Asm
;
; Abstract:
;
; InterlockedCompareExchange16 function
;
; Notes:
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; UINT16
; EFIAPI
; InternalSyncCompareExchange16 (
; IN volatile UINT16 *Value,
; IN UINT16 CompareValue,
; IN UINT16 ExchangeValue
; );
;------------------------------------------------------------------------------
global ASM_PFX(InternalSyncCompareExchange16)
ASM_PFX(InternalSyncCompareExchange16):
mov ecx, [esp + 4]
mov ax, [esp + 8]
mov dx, [esp + 12]
lock cmpxchg [ecx], dx
ret
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