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EdkCompatibilityPkg SmmBaseHelper: Fix PageFaultHandlerHook assembly code to use AL register for return value from PageFaultHandler(). 

Signed-off-by: rsun3
Reviewed-by: vanjeff


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12466 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2011-09-28 09:00:06 +00:00
parent a93e23f9ed
commit 743ee63f93
2 changed files with 4 additions and 4 deletions
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4
EdkCompatibilityPkg/Compatibility/SmmBaseHelper/X64/PageFaultHandler.S
View File

@ -1,6 +1,6 @@
#------------------------------------------------------------------------------ #------------------------------------------------------------------------------
# #
# 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 # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # 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 # which accompanies this distribution. The full text of the license may be found at
@ -31,7 +31,7 @@ ASM_PFX(PageFaultHandlerHook):
addq $-0x20, %rsp addq $-0x20, %rsp
call ASM_PFX(PageFaultHandler) call ASM_PFX(PageFaultHandler)
addq $0x20, %rsp addq $0x20, %rsp
test %rax, %rax testb %al, %al
popq %r11 popq %r11
popq %r10 popq %r10
popq %r9 popq %r9

4
EdkCompatibilityPkg/Compatibility/SmmBaseHelper/X64/PageFaultHandler.asm
View File

@ -1,6 +1,6 @@
;------------------------------------------------------------------------------ ;------------------------------------------------------------------------------
; ;
; Copyright (c) 2010, Intel Corporation. All rights reserved.<BR> ; Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials ; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License ; 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 ; which accompanies this distribution. The full text of the license may be found at
@ -35,7 +35,7 @@ PageFaultHandlerHook PROC
add rsp, -20h add rsp, -20h
call PageFaultHandler call PageFaultHandler
add rsp, 20h add rsp, 20h
test rax, rax test al, al
pop r11 pop r11
pop r10 pop r10
pop r9 pop r9