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#******************************************************************************
#*
#* Copyright (c) 2006, Intel Corporation
#* All rights reserved. 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.
#*
#******************************************************************************
.global _OrigVector
.global _InterruptEntryStub
.global _StubSize
.global _CommonIdtEntry
.global _FxStorSupport
_AppEsp: .long 0x11111111 # ?
_DebugEsp: .long 0x22222222 # ?
_ExtraPush: .long 0x33333333 # ?
_ExceptData: .long 0x44444444 # ?
_Eflags: .long 0x55555555 # ?
_OrigVector: .long 0x66666666 # ?
_StubSize: .long _InterruptEntryStubEnd - _InterruptEntryStub
.global _FxStorSupport
_FxStorSupport:
push %ebx
mov $0x1,%eax
cpuid
mov %edx,%eax
and $0x1000000,%eax
shr $0x18,%eax
pop %ebx
ret
.global _GetIdtr
_GetIdtr:
push %ebp
mov %esp,%ebp
add $0xfffffff8,%esp
sidtl 0xfffffffa(%ebp)
mov 0xfffffffc(%ebp),%eax
leave
ret
.global _WriteInterruptFlag
_WriteInterruptFlag:
push %ebp
mov %esp,%ebp
pushf
pop %eax
and $0x200,%eax
shr $0x9,%eax
mov 0x8(%ebp),%ecx
or %ecx,%ecx
jne _WriteInterruptFlag+0x17
cli
jmp _WriteInterruptFlag+0x18
sti
leave
ret
.global _Vect2Desc
_Vect2Desc:
push %ebp
mov %esp,%ebp
mov 0xc(%ebp),%eax
mov 0x8(%ebp),%ecx
mov %ax,(%ecx)
movw $0x20,0x2(%ecx)
movw $0x8e00,0x4(%ecx)
shr $0x10,%eax
mov %ax,0x6(%ecx)
leave
ret
.global _InterruptEntryStub
_InterruptEntryStub:
mov %esp,0x0
mov $0x0,%esp
push $0x0
jmp _CommonIdtEntry
.global _InterruptEntryStubEnd
_InterruptEntryStubEnd:
.global _CommonIdtEntry
_CommonIdtEntry:
pusha
pushf
pop %eax
mov %eax,0x0
cmpl $0x8,0x0
jne _CommonIdtEntry+0x20
movl $0x1,0x0
jmp _CommonIdtEntry+0xa8
cmpl $0xa,0x0
jne _CommonIdtEntry+0x35
movl $0x1,0x0
jmp _CommonIdtEntry+0xa8
cmpl $0xb,0x0
jne _CommonIdtEntry+0x4a
movl $0x1,0x0
jmp _CommonIdtEntry+0xa8
cmpl $0xc,0x0
jne _CommonIdtEntry+0x5f
movl $0x1,0x0
jmp _CommonIdtEntry+0xa8
cmpl $0xd,0x0
jne _CommonIdtEntry+0x74
movl $0x1,0x0
jmp _CommonIdtEntry+0xa8
cmpl $0xe,0x0
jne _CommonIdtEntry+0x89
movl $0x1,0x0
jmp _CommonIdtEntry+0xa8
cmpl $0x11,0x0
jne _CommonIdtEntry+0x9e
movl $0x1,0x0
jmp _CommonIdtEntry+0xa8
movl $0x0,0x0
cmpl $0x1,0x0
jne _CommonIdtEntry+0xc8
mov 0x0,%eax
mov (%eax),%ebx
mov %ebx,0x0
add $0x4,%eax
mov %eax,0x0
jmp _CommonIdtEntry+0xd2
movl $0x0,0x0
mov 0xc(%esp),%eax
mov %eax,0x0
mov 0x0,%eax
add $0xc,%eax
mov %eax,0xc(%esp)
mov %ss,%eax
push %eax
mov 0x0,%eax
movzwl 0x4(%eax),%eax
push %eax
mov %ds,%eax
push %eax
mov %es,%eax
push %eax
mov %fs,%eax
push %eax
mov %gs,%eax
push %eax
mov 0x0,%eax
pushl (%eax)
push $0x0
push $0x0
sidtl (%esp)
push $0x0
push $0x0
sgdtl (%esp)
xor %eax,%eax
str %eax
push %eax
sldt %eax
push %eax
mov 0x0,%eax
pushl 0x8(%eax)
mov %cr4,%eax
or $0x208,%eax
mov %eax,%cr4
push %eax
mov %cr3,%eax
push %eax
mov %cr2,%eax
push %eax
push $0x0
mov %cr0,%eax
push %eax
mov %db7,%eax
push %eax
xor %eax,%eax
mov %eax,%db7
mov %db6,%eax
push %eax
xor %eax,%eax
mov %eax,%db6
mov %db3,%eax
push %eax
mov %db2,%eax
push %eax
mov %db1,%eax
push %eax
mov %db0,%eax
push %eax
sub $0x200,%esp
mov %esp,%edi
fxsave (%edi)
mov 0x0,%eax
push %eax
mov %esp,%eax
push %eax
mov 0x0,%eax
push %eax
call _CommonIdtEntry+0x184
add $0x8,%esp
add $0x4,%esp
mov %esp,%esi
fxrstor (%esi)
add $0x200,%esp
pop %eax
mov %eax,%db0
pop %eax
mov %eax,%db1
pop %eax
mov %eax,%db2
pop %eax
mov %eax,%db3
add $0x4,%esp
pop %eax
mov %eax,%db7
pop %eax
mov %eax,%cr0
add $0x4,%esp
pop %eax
mov %eax,%cr2
pop %eax
mov %eax,%cr3
pop %eax
mov %eax,%cr4
mov 0x0,%eax
popl 0x8(%eax)
add $0x18,%esp
popl (%eax)
pop %gs
pop %fs
pop %es
pop %ds
popl 0x4(%eax)
pop %ss
mov 0xc(%esp),%ebx
mov 0x0,%eax
add $0xc,%eax
cmp %eax,%ebx
je _CommonIdtEntry+0x202
mov 0x0,%eax
mov (%eax),%ecx
mov %ecx,(%ebx)
mov 0x4(%eax),%ecx
mov %ecx,0x4(%ebx)
mov 0x8(%eax),%ecx
mov %ecx,0x8(%ebx)
mov %ebx,%eax
mov %eax,0x0
mov 0x0,%eax
mov %eax,0xc(%esp)
cmpl $0x68,0x0
jne PhonyIretd+0xd
mov 0x0,%eax
mov 0x8(%eax),%ebx
and $0xfffffcff,%ebx
push %ebx
push %cs
push $0x0
iret
PhonyIretd:
popa
mov 0x0,%esp
jmp *0x0
popa
mov 0x0,%esp
iret
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