diff options
Diffstat (limited to 'EdkCompatibilityPkg/Compatibility/SmmBaseHelper/X64/PageFaultHandler.asm')
-rw-r--r-- | EdkCompatibilityPkg/Compatibility/SmmBaseHelper/X64/PageFaultHandler.asm | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/SmmBaseHelper/X64/PageFaultHandler.asm b/EdkCompatibilityPkg/Compatibility/SmmBaseHelper/X64/PageFaultHandler.asm deleted file mode 100644 index ed0d7f7c28..0000000000 --- a/EdkCompatibilityPkg/Compatibility/SmmBaseHelper/X64/PageFaultHandler.asm +++ /dev/null @@ -1,70 +0,0 @@ -;------------------------------------------------------------------------------
-;
-; Copyright (c) 2010 - 2012, 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
-; 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:
-;
-; PageFaultHandler.asm
-;
-; Abstract:
-;
-; Defines page fault handler used to hook SMM IDT
-;
-;------------------------------------------------------------------------------
-
-EXTERN mOriginalHandler:QWORD
-EXTERN PageFaultHandler:PROC
-
- .code
-
-PageFaultHandlerHook PROC
- push rax ; save all volatile registers
- push rcx
- push rdx
- push r8
- push r9
- push r10
- push r11
-
- add rsp, -10h * 6 - 8 ; reserve memory to store XMM registers and make address 16-byte alignment
- movdqa [rsp], xmm0
- movdqa [rsp + 10h], xmm1
- movdqa [rsp + 20h], xmm2
- movdqa [rsp + 30h], xmm3
- movdqa [rsp + 40h], xmm4
- movdqa [rsp + 50h], xmm5
-
- add rsp, -20h
- call PageFaultHandler
- add rsp, 20h
-
- movdqa xmm0, [rsp]
- movdqa xmm1, [rsp + 10h]
- movdqa xmm2, [rsp + 20h]
- movdqa xmm3, [rsp + 30h]
- movdqa xmm4, [rsp + 40h]
- movdqa xmm5, [rsp + 50h]
- add rsp, 10h * 6 + 8
-
- test al, al ; set ZF flag
- pop r11
- pop r10
- pop r9
- pop r8
- pop rdx
- pop rcx
- pop rax ; restore all volatile registers
- jnz @F ; check ZF flag
- jmp mOriginalHandler
-@@:
- add rsp, 08h ; skip error code for PF
- iretq
-PageFaultHandlerHook ENDP
- END
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