diff options
| -rw-r--r-- | MdeModulePkg/Universal/DebugSupportDxe/Ia32/AsmFuncs.asm | 5 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.asm | 5 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm | 5 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuDxe/X64/CpuAsm.asm | 5 |
4 files changed, 16 insertions, 4 deletions
diff --git a/MdeModulePkg/Universal/DebugSupportDxe/Ia32/AsmFuncs.asm b/MdeModulePkg/Universal/DebugSupportDxe/Ia32/AsmFuncs.asm index 80ee1824d6..32cbc31654 100644 --- a/MdeModulePkg/Universal/DebugSupportDxe/Ia32/AsmFuncs.asm +++ b/MdeModulePkg/Universal/DebugSupportDxe/Ia32/AsmFuncs.asm @@ -1,7 +1,7 @@ ;/** @file
; Low leve IA32 specific debug support functions.
;
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2006 - 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
@@ -363,6 +363,9 @@ CommonIdtEntry:: ; They MUST be. If they are not, a GP fault will occur.
FXSTOR_EDI
+;; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
+ cld
+
;; UINT32 ExceptionData;
mov eax, ExceptData
push eax
diff --git a/MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.asm b/MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.asm index b9c32dd277..bce49ef762 100644 --- a/MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.asm +++ b/MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.asm @@ -1,7 +1,7 @@ ;/** @file
; Low level x64 routines used by the debug support driver.
;
-; Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2007 - 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
@@ -393,6 +393,9 @@ ExtraPushDone: ; They MUST be. If they are not, a GP fault will occur.
FXSTOR_RDI
+;; UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear
+ cld
+
;; UINT64 ExceptionData;
mov rax, ExceptData
push rax
diff --git a/UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm b/UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm index 68454bdeca..a279e6ab5a 100644 --- a/UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm +++ b/UefiCpuPkg/CpuDxe/Ia32/CpuAsm.asm @@ -1,7 +1,7 @@ TITLE CpuAsm.asm:
;------------------------------------------------------------------------------
;*
-;* Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+;* Copyright (c) 2006 - 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
@@ -272,6 +272,9 @@ ErrorCodeAndVectorOnStack: mov edi, esp
db 0fh, 0aeh, 07h ;fxsave [edi]
+;; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
+ cld
+
;; UINT32 ExceptionData;
push dword ptr [ebp + 2 * 4]
diff --git a/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm b/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm index 79edb7b83e..68fcd3f404 100644 --- a/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm +++ b/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm @@ -1,7 +1,7 @@ TITLE CpuAsm.asm:
;------------------------------------------------------------------------------
;*
-;* 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
@@ -223,6 +223,9 @@ NoErrorCode: mov rdi, rsp
db 0fh, 0aeh, 07h ;fxsave [rdi]
+;; UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear
+ cld
+
;; UINT32 ExceptionData;
push qword ptr [rbp + 16]
|