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Fix CRLF format

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Signed-off-by: Tian, Hot <hot.tian@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15172 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Tian, Hot
2014-01-23 05:27:14 +00:00
committed by hhtian
parent 675723cbca
commit 2b53e39435
50 changed files with 2643 additions and 2643 deletions
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414
EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ia32/ProcessorAsms.S
View File

@@ -1,207 +1,207 @@
#
# Copyright (c) 2004, 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:
#
# ProcessorAsms.Asm
#
#
#
#include "EfiBind.h"
#------------------------------------------------------------------------------
.686P:
.MMX:
#.MODEL SMALL
.CODE:
#------------------------------------------------------------------------------
.globl ASM_PFX(TransferControlSetJump)
.globl ASM_PFX(TransferControlLongJump)
.globl ASM_PFX(SwitchStacks)
.globl ASM_PFX(SwitchIplStacks)
#define EFI_SUCCESS 0
#define EFI_WARN_RETURN_FROM_LONG_JUMP 5
#
# typedef struct {
# UINT32 ebx;
# UINT32 esi;
# UINT32 edi;
# UINT32 ebp;
# UINT32 esp;
# UINT32 eip;
#} EFI_JUMP_BUFFER;
#
#typedef
#EFI_STATUS
#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_SET_JUMP) (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
# OUT EFI_JUMP_BUFFER *Context
# );
#
#Routine Description:
#
# This routine implements the IA32 variant of the SetJump call. Its
# responsibility is to store system state information for a possible
# subsequent LongJump.
#
#Arguments:
#
# Pointer to CPU context save buffer.
#
#Returns:
#
# EFI_SUCCESS
#
ASM_PFX(TransferControlSetJump):
push %ebp
mov %esp,%ebp
mov 0x8(%ebp),%eax
mov 0xc(%ebp),%ecx
mov %ebx,(%ecx)
mov %esi,0x4(%ecx)
mov %edi,0x8(%ecx)
mov 0x0(%ebp),%eax
mov %eax,0xc(%ecx)
lea 0x4(%ebp),%eax
mov %eax,0x10(%ecx)
mov 0x4(%ebp),%eax
mov %eax,0x14(%ecx)
mov $0x0,%eax
leave
ret
#typedef
#EFI_STATUS
#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_LONG_JUMP) (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
# IN EFI_JUMP_BUFFER *Context
# );
#
# Routine Description:
#
# This routine implements the IA32 variant of the LongJump call. Its
# responsibility is restore the system state to the Context Buffer and
# pass control back.
#
# Arguments:
#
# Pointer to CPU context save buffer.
#
# Returns:
#
# EFI_WARN_RETURN_FROM_LONG_JUMP
#
ASM_PFX(TransferControlLongJump):
push %ebp
mov %esp,%ebp
push %ebx
push %esi
push %edi
mov 0x8(%ebp),%eax
mov $0x5,%eax
mov 0xc(%ebp),%ecx
mov (%ecx),%ebx
mov 0x4(%ecx),%esi
mov 0x8(%ecx),%edi
mov 0xc(%ecx),%ebp
mov 0x10(%ecx),%esp
add $0x4,%esp
jmp *0x14(%ecx)
mov $0x5,%eax
pop %edi
pop %esi
pop %ebx
leave
ret
#
# Routine Description:
# This allows the caller to switch the stack and goes to the new entry point
#
# Arguments:
# EntryPoint - Pointer to the location to enter
# Parameter - Parameter to pass in
# NewStack - New Location of the stack
# NewBsp - New BSP
#
# Returns:
#
# Nothing. Goes to the Entry Point passing in the new parameters
#
#SwitchStacks PROC C \
# EntryPoint:PTR DWORD, \
# Parameter:DWORD, \
# NewStack:PTR DWORD, \
# NewBsp:PTR DWORD
ASM_PFX(SwitchStacks):
push %ebp
mov %esp,%ebp
push %ebx
mov 0x14(%ebp),%eax
mov 0xc(%ebp),%ebx
mov 0x8(%ebp),%ecx
mov 0x10(%ebp),%eax
mov %eax,%esp
push %ebx
push $0x0
jmp *%ecx
pop %ebx
leave
ret
#
# Routine Description:
# This allows the caller to switch the stack and goes to the new entry point
#
# Arguments:
# EntryPoint - Pointer to the location to enter
# Parameter1/Parameter2 - Parameter to pass in
# NewStack - New Location of the stack
# NewBsp - New BSP
#
# Returns:
#
# Nothing. Goes to the Entry Point passing in the new parameters
#
#SwitchIplStacks PROC C \
# EntryPoint:PTR DWORD, \
# Parameter1:DWORD, \
# Parameter2:DWORD, \
# NewStack:PTR DWORD, \
# NewBsp:PTR DWORD
ASM_PFX(SwitchIplStacks):
push %ebp
mov %esp,%ebp
push %ebx
mov 0x18(%ebp),%eax
mov 0xc(%ebp),%ebx
mov 0x10(%ebp),%edx
mov 0x8(%ebp),%ecx
mov 0x14(%ebp),%eax
mov %eax,%esp
push %edx
push %ebx
call *%ecx
pop %ebx
leave
ret
#SwitchIplStacks ENDP
#
# Copyright (c) 2004, 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:
#
# ProcessorAsms.Asm
#
#
#
#include "EfiBind.h"
#------------------------------------------------------------------------------
.686P:
.MMX:
#.MODEL SMALL
.CODE:
#------------------------------------------------------------------------------
.globl ASM_PFX(TransferControlSetJump)
.globl ASM_PFX(TransferControlLongJump)
.globl ASM_PFX(SwitchStacks)
.globl ASM_PFX(SwitchIplStacks)
#define EFI_SUCCESS 0
#define EFI_WARN_RETURN_FROM_LONG_JUMP 5
#
# typedef struct {
# UINT32 ebx;
# UINT32 esi;
# UINT32 edi;
# UINT32 ebp;
# UINT32 esp;
# UINT32 eip;
#} EFI_JUMP_BUFFER;
#
#typedef
#EFI_STATUS
#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_SET_JUMP) (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
# OUT EFI_JUMP_BUFFER *Context
# );
#
#Routine Description:
#
# This routine implements the IA32 variant of the SetJump call. Its
# responsibility is to store system state information for a possible
# subsequent LongJump.
#
#Arguments:
#
# Pointer to CPU context save buffer.
#
#Returns:
#
# EFI_SUCCESS
#
ASM_PFX(TransferControlSetJump):
push %ebp
mov %esp,%ebp
mov 0x8(%ebp),%eax
mov 0xc(%ebp),%ecx
mov %ebx,(%ecx)
mov %esi,0x4(%ecx)
mov %edi,0x8(%ecx)
mov 0x0(%ebp),%eax
mov %eax,0xc(%ecx)
lea 0x4(%ebp),%eax
mov %eax,0x10(%ecx)
mov 0x4(%ebp),%eax
mov %eax,0x14(%ecx)
mov $0x0,%eax
leave
ret
#typedef
#EFI_STATUS
#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_LONG_JUMP) (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
# IN EFI_JUMP_BUFFER *Context
# );
#
# Routine Description:
#
# This routine implements the IA32 variant of the LongJump call. Its
# responsibility is restore the system state to the Context Buffer and
# pass control back.
#
# Arguments:
#
# Pointer to CPU context save buffer.
#
# Returns:
#
# EFI_WARN_RETURN_FROM_LONG_JUMP
#
ASM_PFX(TransferControlLongJump):
push %ebp
mov %esp,%ebp
push %ebx
push %esi
push %edi
mov 0x8(%ebp),%eax
mov $0x5,%eax
mov 0xc(%ebp),%ecx
mov (%ecx),%ebx
mov 0x4(%ecx),%esi
mov 0x8(%ecx),%edi
mov 0xc(%ecx),%ebp
mov 0x10(%ecx),%esp
add $0x4,%esp
jmp *0x14(%ecx)
mov $0x5,%eax
pop %edi
pop %esi
pop %ebx
leave
ret
#
# Routine Description:
# This allows the caller to switch the stack and goes to the new entry point
#
# Arguments:
# EntryPoint - Pointer to the location to enter
# Parameter - Parameter to pass in
# NewStack - New Location of the stack
# NewBsp - New BSP
#
# Returns:
#
# Nothing. Goes to the Entry Point passing in the new parameters
#
#SwitchStacks PROC C \
# EntryPoint:PTR DWORD, \
# Parameter:DWORD, \
# NewStack:PTR DWORD, \
# NewBsp:PTR DWORD
ASM_PFX(SwitchStacks):
push %ebp
mov %esp,%ebp
push %ebx
mov 0x14(%ebp),%eax
mov 0xc(%ebp),%ebx
mov 0x8(%ebp),%ecx
mov 0x10(%ebp),%eax
mov %eax,%esp
push %ebx
push $0x0
jmp *%ecx
pop %ebx
leave
ret
#
# Routine Description:
# This allows the caller to switch the stack and goes to the new entry point
#
# Arguments:
# EntryPoint - Pointer to the location to enter
# Parameter1/Parameter2 - Parameter to pass in
# NewStack - New Location of the stack
# NewBsp - New BSP
#
# Returns:
#
# Nothing. Goes to the Entry Point passing in the new parameters
#
#SwitchIplStacks PROC C \
# EntryPoint:PTR DWORD, \
# Parameter1:DWORD, \
# Parameter2:DWORD, \
# NewStack:PTR DWORD, \
# NewBsp:PTR DWORD
ASM_PFX(SwitchIplStacks):
push %ebp
mov %esp,%ebp
push %ebx
mov 0x18(%ebp),%eax
mov 0xc(%ebp),%ebx
mov 0x10(%ebp),%edx
mov 0x8(%ebp),%ecx
mov 0x14(%ebp),%eax
mov %eax,%esp
push %edx
push %ebx
call *%ecx
pop %ebx
leave
ret
#SwitchIplStacks ENDP

322
EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/X64/ProcessorAsms.S
View File

@@ -1,161 +1,161 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2010, 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:
# ProcessorAsms.S
#
# Abstract:
# This is separated from processor.c to allow this functions to be built with /O1
#
#
#------------------------------------------------------------------------------
#include <EfiBind.h>
.text
.globl ASM_PFX(SwitchStacks)
.globl ASM_PFX(TransferControlSetJump)
.globl ASM_PFX(TransferControlLongJump)
#
# Routine Description:
# This allows the caller to switch the stack and goes to the new entry point
#
# Arguments:
# EntryPoint - Pointer to the location to enter // rcx
# Parameter - Parameter to pass in // rdx
# NewStack - New Location of the stack // r8
# NewBsp - New BSP // r9 - not used
#
# Returns:
# Nothing. Goes to the Entry Point passing in the new parameters
#
ASM_PFX(SwitchStacks):
# Adjust stack for
# 1) leave 4 registers space
# 2) let it 16 bytes aligned after call
sub $0x20,%r8
and -0x10,%r8w # do not assume 16 bytes aligned
mov %r8,%rsp
mov %rcx,%r10
mov %rdx,%rcx
callq *%r10
#
# no ret as we have a new stack and we jumped to the new location
#
ret
#SwitchStacks ENDP
.set EFI_SUCCESS, 0
.set EFI_WARN_RETURN_FROM_LONG_JUMP, 5
#
#Routine Description:
#
# This routine implements the x64 variant of the SetJump call. Its
# responsibility is to store system state information for a possible
# subsequent LongJump.
#
#Arguments:
#
# Pointer to CPU context save buffer.
#
#Returns:
#
# EFI_SUCCESS
#
# EFI_STATUS
# EFIAPI
# TransferControlLongJump (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
# IN EFI_JUMP_BUFFER *Jump
# );
#
# rcx - *This
# rdx - JumpBuffer
#
ASM_PFX(TransferControlSetJump):
mov %rbx,(%rdx)
mov %rsp,0x8(%rdx)
mov %rbp,0x10(%rdx)
mov %rdi,0x18(%rdx)
mov %rsi,0x20(%rdx)
mov %r10,0x28(%rdx)
mov %r11,0x30(%rdx)
mov %r12,0x38(%rdx)
mov %r13,0x40(%rdx)
mov %r14,0x48(%rdx)
mov %r15,0x50(%rdx)
#; save non-volatile fp registers
stmxcsr 0x60(%rdx)
lea 0x68(%rdx), %rax
movdqu %xmm6, (%rax)
movdqu %xmm7, 0x10(%rax)
movdqu %xmm8, 0x20(%rax)
movdqu %xmm9, 0x30(%rax)
movdqu %xmm10, 0x40(%rax)
movdqu %xmm11, 0x50(%rax)
movdqu %xmm12, 0x60(%rax)
movdqu %xmm13, 0x70(%rax)
movdqu %xmm14, 0x80(%rax)
movdqu %xmm15, 0x90(%rax)
mov (%rsp),%rax
mov %rax,0x58(%rdx)
mov $0x0,%rax
retq
#
# EFI_STATUS
# EFIAPI
# TransferControlLongJump (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This, // rcx
# IN EFI_JUMP_BUFFER *Jump // rdx
# );
#
#
ASM_PFX(TransferControlLongJump):
# set return from SetJump to EFI_WARN_RETURN_FROM_LONG_JUMP
#; load non-volatile fp registers
ldmxcsr 0x60(%rdx)
lea 0x68(%rdx), %rax
movdqu (%rax), %xmm6
movdqu 0x10(%rax), %xmm7
movdqu 0x20(%rax), %xmm8
movdqu 0x30(%rax), %xmm9
movdqu 0x40(%rax), %xmm10
movdqu 0x50(%rax), %xmm11
movdqu 0x60(%rax), %xmm12
movdqu 0x70(%rax), %xmm13
movdqu 0x80(%rax), %xmm14
movdqu 0x90(%rax), %xmm15
mov $0x5,%rax
mov (%rdx),%rbx
mov 0x8(%rdx),%rsp
mov 0x10(%rdx),%rbp
mov 0x18(%rdx),%rdi
mov 0x20(%rdx),%rsi
mov 0x28(%rdx),%r10
mov 0x30(%rdx),%r11
mov 0x38(%rdx),%r12
mov 0x40(%rdx),%r13
mov 0x48(%rdx),%r14
mov 0x50(%rdx),%r15
add $0x8,%rsp
jmpq *0x58(%rdx)
mov $0x5,%rax
retq
#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2010, 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:
# ProcessorAsms.S
#
# Abstract:
# This is separated from processor.c to allow this functions to be built with /O1
#
#
#------------------------------------------------------------------------------
#include <EfiBind.h>
.text
.globl ASM_PFX(SwitchStacks)
.globl ASM_PFX(TransferControlSetJump)
.globl ASM_PFX(TransferControlLongJump)
#
# Routine Description:
# This allows the caller to switch the stack and goes to the new entry point
#
# Arguments:
# EntryPoint - Pointer to the location to enter // rcx
# Parameter - Parameter to pass in // rdx
# NewStack - New Location of the stack // r8
# NewBsp - New BSP // r9 - not used
#
# Returns:
# Nothing. Goes to the Entry Point passing in the new parameters
#
ASM_PFX(SwitchStacks):
# Adjust stack for
# 1) leave 4 registers space
# 2) let it 16 bytes aligned after call
sub $0x20,%r8
and -0x10,%r8w # do not assume 16 bytes aligned
mov %r8,%rsp
mov %rcx,%r10
mov %rdx,%rcx
callq *%r10
#
# no ret as we have a new stack and we jumped to the new location
#
ret
#SwitchStacks ENDP
.set EFI_SUCCESS, 0
.set EFI_WARN_RETURN_FROM_LONG_JUMP, 5
#
#Routine Description:
#
# This routine implements the x64 variant of the SetJump call. Its
# responsibility is to store system state information for a possible
# subsequent LongJump.
#
#Arguments:
#
# Pointer to CPU context save buffer.
#
#Returns:
#
# EFI_SUCCESS
#
# EFI_STATUS
# EFIAPI
# TransferControlLongJump (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
# IN EFI_JUMP_BUFFER *Jump
# );
#
# rcx - *This
# rdx - JumpBuffer
#
ASM_PFX(TransferControlSetJump):
mov %rbx,(%rdx)
mov %rsp,0x8(%rdx)
mov %rbp,0x10(%rdx)
mov %rdi,0x18(%rdx)
mov %rsi,0x20(%rdx)
mov %r10,0x28(%rdx)
mov %r11,0x30(%rdx)
mov %r12,0x38(%rdx)
mov %r13,0x40(%rdx)
mov %r14,0x48(%rdx)
mov %r15,0x50(%rdx)
#; save non-volatile fp registers
stmxcsr 0x60(%rdx)
lea 0x68(%rdx), %rax
movdqu %xmm6, (%rax)
movdqu %xmm7, 0x10(%rax)
movdqu %xmm8, 0x20(%rax)
movdqu %xmm9, 0x30(%rax)
movdqu %xmm10, 0x40(%rax)
movdqu %xmm11, 0x50(%rax)
movdqu %xmm12, 0x60(%rax)
movdqu %xmm13, 0x70(%rax)
movdqu %xmm14, 0x80(%rax)
movdqu %xmm15, 0x90(%rax)
mov (%rsp),%rax
mov %rax,0x58(%rdx)
mov $0x0,%rax
retq
#
# EFI_STATUS
# EFIAPI
# TransferControlLongJump (
# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This, // rcx
# IN EFI_JUMP_BUFFER *Jump // rdx
# );
#
#
ASM_PFX(TransferControlLongJump):
# set return from SetJump to EFI_WARN_RETURN_FROM_LONG_JUMP
#; load non-volatile fp registers
ldmxcsr 0x60(%rdx)
lea 0x68(%rdx), %rax
movdqu (%rax), %xmm6
movdqu 0x10(%rax), %xmm7
movdqu 0x20(%rax), %xmm8
movdqu 0x30(%rax), %xmm9
movdqu 0x40(%rax), %xmm10
movdqu 0x50(%rax), %xmm11
movdqu 0x60(%rax), %xmm12
movdqu 0x70(%rax), %xmm13
movdqu 0x80(%rax), %xmm14
movdqu 0x90(%rax), %xmm15
mov $0x5,%rax
mov (%rdx),%rbx
mov 0x8(%rdx),%rsp
mov 0x10(%rdx),%rbp
mov 0x18(%rdx),%rdi
mov 0x20(%rdx),%rsi
mov 0x28(%rdx),%r10
mov 0x30(%rdx),%r11
mov 0x38(%rdx),%r12
mov 0x40(%rdx),%r13
mov 0x48(%rdx),%r14
mov 0x50(%rdx),%r15
add $0x8,%rsp
jmpq *0x58(%rdx)
mov $0x5,%rax
retq

156
EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/X64/SupportItpDebug.S
View File

@@ -1,78 +1,78 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2008, 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:
#
# SupportItpDebug.S
#
# Abstract:
#
# This is the code for debuging X64, to add a break hook at loading every module
#
#------------------------------------------------------------------------------
#include <EfiBind.h>
.text
.globl ASM_PFX(AsmEfiSetBreakSupport)
#------------------------------------------------------------------------------
# VOID
# AsmEfiSetBreakSupport (
# IN UINTN LoadAddr // rcx
# )
#------------------------------------------------------------------------------
ASM_PFX(AsmEfiSetBreakSupport):
movw $60000, %dx
outl %eax, %dx
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
ret
#------------------------------------------------------------------------------
#
# Copyright (c) 2008, 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:
#
# SupportItpDebug.S
#
# Abstract:
#
# This is the code for debuging X64, to add a break hook at loading every module
#
#------------------------------------------------------------------------------
#include <EfiBind.h>
.text
.globl ASM_PFX(AsmEfiSetBreakSupport)
#------------------------------------------------------------------------------
# VOID
# AsmEfiSetBreakSupport (
# IN UINTN LoadAddr // rcx
# )
#------------------------------------------------------------------------------
ASM_PFX(AsmEfiSetBreakSupport):
movw $60000, %dx
outl %eax, %dx
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
ret