/*****************************************************************************************
Copyright (c) 2002-2004 The UbixOS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are
permitted provided that the following conditions are met:
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form must reproduce the above copyright notice, this list of conditions, the following
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contributors may be used to endorse or promote products derived from this software
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$Id$
*****************************************************************************************/
/*
Page fault wrapper this will aquire some values we need for later use
*/
.globl _vmm_pageFault
.text
.code32
_vmm_pageFault:
xchgl %eax,(%esp) /* Save EAX */
movl 4(%esp),%eax /* Move EIP into EAX to use later */
pushl %ebx /* Save EBX */
movl 20(%esp),%ebx /* Save ESP for ring 3 to use later */
pushl %ecx /* Save ECX,EDX */
pushl %edx
push %ebx /* Push ESP */
push %eax /* Push EIP */
movl %cr2,%eax /* Push the faulted address */
pushl %eax
sti /* Turn interrupts back on we are now entrant safe */
call vmm_pageFault /* Call our page fault handler */
addl $0xC,%esp /* Adjust the stack to compensate for pushed values */
popl %edx /* Restore EAX,EBX,ECX,EDX */
popl %ecx
popl %ebx
popl %eax
iret /* Return from the interrupt */
/***
$Log$
Revision 1.6 2005/08/09 08:45:40 fsdfs
reverting to old vmm. i may have modified something accidently when i wasted time indenting the code.
Revision 1.4 2004/08/14 11:23:03 reddawg
Changes
Revision 1.3 2004/07/28 22:23:02 reddawg
make sure it still works before I goto bed
Revision 1.2 2004/07/26 19:15:49 reddawg
test code, fixes and the like
Revision 1.1 2004/07/24 23:13:21 reddawg
Oh yeah try this one
END
***/
