mirror of https://github.com/acidanthera/audk.git
48 lines
1.5 KiB
ArmAsm
48 lines
1.5 KiB
ArmAsm
|
#------------------------------------------------------------------------------
|
||
|
|
#
|
||
|
|
# Copyright (c) 2006, Intel Corporation
|
||
|
|
# All rights reserved. This program and the accompanying materials
|
||
|
|
# are licensed and made available under the terms and conditions of the BSD License
|
||
|
|
# which accompanies this distribution. The full text of the license may be found at
|
||
|
|
# http://opensource.org/licenses/bsd-license.php
|
||
|
|
#
|
||
|
|
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||
|
|
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||
|
|
#
|
||
|
|
# Module Name:
|
||
|
|
#
|
||
|
|
# InterlockedCompareExchange64.Asm
|
||
|
|
#
|
||
|
|
# Abstract:
|
||
|
|
#
|
||
|
# InternalSyncCompareExchange64 function
|
||
|
|
#
|
||
|
|
# Notes:
|
||
|
|
#
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
|
||
|
.globl ASM_PFX(InternalSyncCompareExchange64)
|
||
|
|
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
# UINT64
|
||
|
|
# EFIAPI
|
||
|
|
# InternalSyncCompareExchange64 (
|
||
|
|
# IN UINT64 *Value,
|
||
|
|
# IN UINT64 CompareValue,
|
||
|
|
# IN UINT64 ExchangeValue
|
||
|
|
# );
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
ASM_PFX(InternalSyncCompareExchange64):
|
||
|
|
push %esi
|
||
|
|
push %ebx
|
||
|
movl 12(%esp), %esi
|
||
|
|
movl 16(%esp), %eax
|
||
|
|
movl 20(%esp), %edx
|
||
|
|
movl 24(%esp), %ebx
|
||
|
|
movl 28(%esp), %ecx
|
||
|
|
lock
|
||
|
|
cmpxchg8b (%esi)
|
||
|
|
pop %ebx
|
||
|
|
pop %esi
|
||
|
|
ret
|