735561c27f
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2556 6f19259b-4bc3-4df7-8a09-765794883524
271 lines
7.3 KiB
ArmAsm
271 lines
7.3 KiB
ArmAsm
#******************************************************************************
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#*
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#* Copyright (c) 2006, Intel Corporation
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#* All rights reserved. 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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#* http://opensource.org/licenses/bsd-license.php
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#*
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#* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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#* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#*
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#******************************************************************************
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.globl ASM_PFX(OrigVector)
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.globl ASM_PFX(InterruptEntryStub)
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.globl ASM_PFX(StubSize)
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.globl ASM_PFX(CommonIdtEntry)
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.globl ASM_PFX(FxStorSupport)
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ASM_PFX(AppEsp): .long 0x11111111 # ?
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ASM_PFX(DebugEsp): .long 0x22222222 # ?
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ASM_PFX(ExtraPush): .long 0x33333333 # ?
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ASM_PFX(ExceptData): .long 0x44444444 # ?
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ASM_PFX(Eflags): .long 0x55555555 # ?
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ASM_PFX(OrigVector): .long 0x66666666 # ?
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ASM_PFX(StubSize): .long ASM_PFX(InterruptEntryStubEnd) - ASM_PFX(InterruptEntryStub)
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.globl ASM_PFX(FxStorSupport)
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ASM_PFX(FxStorSupport):
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push %ebx
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mov $0x1,%eax
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cpuid
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mov %edx,%eax
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and $0x1000000,%eax
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shr $0x18,%eax
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pop %ebx
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ret
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.globl ASM_PFX(GetIdtr)
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ASM_PFX(GetIdtr):
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push %ebp
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mov %esp,%ebp
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add $0xfffffff8,%esp
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sidtl 0xfffffffa(%ebp)
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mov 0xfffffffc(%ebp),%eax
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leave
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ret
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.globl ASM_PFX(WriteInterruptFlag)
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ASM_PFX(WriteInterruptFlag):
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push %ebp
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mov %esp,%ebp
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pushf
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pop %eax
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and $0x200,%eax
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shr $0x9,%eax
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mov 0x8(%ebp),%ecx
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or %cl,%cl
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jne ASM_PFX(WriteInterruptFlag+0x17)
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cli
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jmp ASM_PFX(WriteInterruptFlag+0x18)
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sti
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leave
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ret
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.globl ASM_PFX(Vect2Desc)
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ASM_PFX(Vect2Desc):
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push %ebp
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mov %esp,%ebp
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mov 0xc(%ebp),%eax
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mov 0x8(%ebp),%ecx
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mov %ax,(%ecx)
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movw $0x20,0x2(%ecx)
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movw $0x8e00,0x4(%ecx)
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shr $0x10,%eax
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mov %ax,0x6(%ecx)
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leave
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ret
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.globl ASM_PFX(InterruptEntryStub)
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ASM_PFX(InterruptEntryStub):
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mov %esp,0x0
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mov $0x0,%esp
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push $0x0
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jmp ASM_PFX(CommonIdtEntry)
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.globl ASM_PFX(InterruptEntryStubEnd)
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ASM_PFX(InterruptEntryStubEnd):
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.globl ASM_PFX(CommonIdtEntry)
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ASM_PFX(CommonIdtEntry):
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pusha
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pushf
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pop %eax
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mov %eax,0x0
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cmpl $0x8,0x0
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jne ASM_PFX(CommonIdtEntry+0x20)
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movl $0x1,0x0
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jmp ASM_PFX(CommonIdtEntry+0xa8)
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cmpl $0xa,0x0
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jne ASM_PFX(CommonIdtEntry+0x35)
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movl $0x1,0x0
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jmp ASM_PFX(CommonIdtEntry+0xa8)
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cmpl $0xb,0x0
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jne ASM_PFX(CommonIdtEntry+0x4a)
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movl $0x1,0x0
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jmp ASM_PFX(CommonIdtEntry+0xa8)
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cmpl $0xc,0x0
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jne ASM_PFX(CommonIdtEntry+0x5f)
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movl $0x1,0x0
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jmp ASM_PFX(CommonIdtEntry+0xa8)
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cmpl $0xd,0x0
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jne ASM_PFX(CommonIdtEntry+0x74)
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movl $0x1,0x0
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jmp ASM_PFX(CommonIdtEntry+0xa8)
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cmpl $0xe,0x0
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jne ASM_PFX(CommonIdtEntry+0x89)
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movl $0x1,0x0
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jmp ASM_PFX(CommonIdtEntry+0xa8)
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cmpl $0x11,0x0
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jne ASM_PFX(CommonIdtEntry+0x9e)
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movl $0x1,0x0
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jmp ASM_PFX(CommonIdtEntry+0xa8)
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movl $0x0,0x0
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cmpl $0x1,0x0
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jne ASM_PFX(CommonIdtEntry+0xc8)
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mov 0x0,%eax
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mov (%eax),%ebx
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mov %ebx,0x0
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add $0x4,%eax
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mov %eax,0x0
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jmp ASM_PFX(CommonIdtEntry+0xd2)
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movl $0x0,0x0
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mov 0xc(%esp),%eax
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mov %eax,0x0
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mov 0x0,%eax
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add $0xc,%eax
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mov %eax,0xc(%esp)
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mov %ss,%eax
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push %eax
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mov 0x0,%eax
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movzwl 0x4(%eax),%eax
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push %eax
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mov %ds,%eax
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push %eax
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mov %es,%eax
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push %eax
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mov %fs,%eax
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push %eax
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mov %gs,%eax
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push %eax
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mov 0x0,%eax
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pushl (%eax)
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push $0x0
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push $0x0
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sidtl (%esp)
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push $0x0
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push $0x0
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sgdtl (%esp)
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xor %eax,%eax
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str %eax
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push %eax
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sldt %eax
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push %eax
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mov 0x0,%eax
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pushl 0x8(%eax)
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mov %cr4,%eax
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or $0x208,%eax
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mov %eax,%cr4
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push %eax
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mov %cr3,%eax
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push %eax
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mov %cr2,%eax
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push %eax
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push $0x0
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mov %cr0,%eax
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push %eax
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mov %db7,%eax
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push %eax
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xor %eax,%eax
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mov %eax,%db7
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mov %db6,%eax
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push %eax
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xor %eax,%eax
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mov %eax,%db6
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mov %db3,%eax
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push %eax
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mov %db2,%eax
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push %eax
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mov %db1,%eax
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push %eax
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mov %db0,%eax
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push %eax
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sub $0x200,%esp
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mov %esp,%edi
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fxsave (%edi)
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mov 0x0,%eax
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push %eax
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mov %esp,%eax
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push %eax
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mov 0x0,%eax
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push %eax
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call ASM_PFX(CommonIdtEntry+0x184)
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add $0x8,%esp
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add $0x4,%esp
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mov %esp,%esi
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fxrstor (%esi)
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add $0x200,%esp
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pop %eax
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mov %eax,%db0
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pop %eax
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mov %eax,%db1
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pop %eax
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mov %eax,%db2
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pop %eax
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mov %eax,%db3
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add $0x4,%esp
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pop %eax
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mov %eax,%db7
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pop %eax
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mov %eax,%cr0
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add $0x4,%esp
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pop %eax
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mov %eax,%cr2
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pop %eax
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mov %eax,%cr3
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pop %eax
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mov %eax,%cr4
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mov 0x0,%eax
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popl 0x8(%eax)
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add $0x18,%esp
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popl (%eax)
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pop %gs
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pop %fs
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pop %es
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pop %ds
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popl 0x4(%eax)
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pop %ss
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mov 0xc(%esp),%ebx
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mov 0x0,%eax
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add $0xc,%eax
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cmp %eax,%ebx
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je ASM_PFX(CommonIdtEntry+0x202)
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mov 0x0,%eax
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mov (%eax),%ecx
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mov %ecx,(%ebx)
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mov 0x4(%eax),%ecx
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mov %ecx,0x4(%ebx)
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mov 0x8(%eax),%ecx
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mov %ecx,0x8(%ebx)
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mov %ebx,%eax
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mov %eax,0x0
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mov 0x0,%eax
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mov %eax,0xc(%esp)
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cmpl $0x68,0x0
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jne PhonyIretd+0xd
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mov 0x0,%eax
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mov 0x8(%eax),%ebx
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and $0xfffffcff,%ebx
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push %ebx
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push %cs
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push $0x0
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iret
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PhonyIretd:
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popa
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mov 0x0,%esp
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jmp *0x0
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popa
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mov 0x0,%esp
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iret
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