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A complement fix for revision 11664 to update GCC assembly files : clear the direction flag in interrupt/exception handlers' assembly entry code before calling C functions to follow the UEFI calling convention.

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Signed-off-by: rsun3
Reviewed-by:  jyao1


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11670 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3
2011-05-17 08:35:20 +00:00
parent 8b6d0c057f
commit 24f7e42cb7
4 changed files with 16 additions and 4 deletions
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5
UefiCpuPkg/CpuDxe/X64/CpuAsm.S
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@@ -2,7 +2,7 @@
#------------------------------------------------------------------------------
#*
#* Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
#* Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>
#* 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
@@ -234,6 +234,9 @@ CommonInterruptEntry_al_0000:
movq %rsp, %rdi
.byte 0x0f, 0x0ae, 0x07 #fxsave [rdi]
#; UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear
cld
#; UINT32 ExceptionData;
pushq 16(%rbp)