Save/Restore missing volatile registers (XMM0-5) save/restore in Page Fault handler.
Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13974 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -1,6 +1,6 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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# Copyright (c) 2006 - 2012, 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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@@ -28,10 +28,28 @@ ASM_PFX(PageFaultHandlerHook):
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pushq %r9
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pushq %r10
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pushq %r11
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addq $-0x68, %rsp # reserve memory to store XMM registers and make address 16-byte alignment
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movdqa %xmm0, 0(%rsp)
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movdqa %xmm1, 0x10(%rsp)
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movdqa %xmm2, 0x20(%rsp)
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movdqa %xmm3, 0x30(%rsp)
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movdqa %xmm4, 0x40(%rsp)
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movdqa %xmm5, 0x50(%rsp)
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addq $-0x20, %rsp
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call ASM_PFX(PageFaultHandler)
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addq $0x20, %rsp
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testb %al, %al
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movdqa 0(%rsp), %xmm0
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movdqa 0x10(%rsp), %xmm1
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movdqa 0x20(%rsp), %xmm2
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movdqa 0x30(%rsp), %xmm3
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movdqa 0x40(%rsp), %xmm4
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movdqa 0x50(%rsp), %xmm5
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addq $0x68, %rsp
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testb %al, %al # set ZF flag
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popq %r11
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popq %r10
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popq %r9
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@@ -39,7 +57,7 @@ ASM_PFX(PageFaultHandlerHook):
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popq %rdx
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popq %rcx
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popq %rax # restore all volatile registers
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jnz L1
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jnz L1 # check ZF flag
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#ifdef __APPLE__
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int $3
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#else
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