mirror of https://github.com/acidanthera/audk.git
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.
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
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@ -1,7 +1,7 @@
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#/**@file
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# Low leve IA32 specific debug support functions.
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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# Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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@ -276,6 +276,9 @@ ASM_PFX(CommonIdtEntry):
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# They MUST be. If they are not, a GP fault will occur.
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fxsave (%edi)
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## UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
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cld
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## UINT32 ExceptionData;
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mov 0x0,%eax
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push %eax
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@ -1,7 +1,7 @@
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///**@file
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// Low leve x64 specific debug support functions.
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//
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// Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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// Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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// Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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// This program and the accompanying materials
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// are licensed and made available under the terms and conditions of the BSD License
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@ -357,6 +357,9 @@ ExtraPushDone:
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# FXSTOR_RDI
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fxsave (%rdi)
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// UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear
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cld
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// UINT64 ExceptionData;
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movq ASM_PFX(ExceptData)(%rip), %rax
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pushq %rax
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@ -1,6 +1,6 @@
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#------------------------------------------------------------------------------
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#*
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#* Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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#* Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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#* This program and the accompanying materials
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#* are licensed and made available under the terms and conditions of the BSD License
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#* which accompanies this distribution. The full text of the license may be found at
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@ -274,6 +274,9 @@ ErrorCodeAndVectorOnStack:
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movl %esp, %edi
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.byte 0x0f, 0x0ae, 0x07 #fxsave [edi]
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#; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
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cld
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#; UINT32 ExceptionData;
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pushl 8(%ebp)
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@ -2,7 +2,7 @@
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#------------------------------------------------------------------------------
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#*
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#* Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
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#* Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>
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#* This program and the accompanying materials
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#* are licensed and made available under the terms and conditions of the BSD License
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#* which accompanies this distribution. The full text of the license may be found at
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@ -234,6 +234,9 @@ CommonInterruptEntry_al_0000:
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movq %rsp, %rdi
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.byte 0x0f, 0x0ae, 0x07 #fxsave [rdi]
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#; UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear
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cld
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#; UINT32 ExceptionData;
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pushq 16(%rbp)
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