mirror of https://github.com/acidanthera/audk.git
42 lines
1.5 KiB
ArmAsm
42 lines
1.5 KiB
ArmAsm
#------------------------------------------------------------------------------
|
|
#
|
|
# Copyright (c) 2006 - 2008, 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.
|
|
#
|
|
# Module Name:
|
|
#
|
|
# LongJump.S
|
|
#
|
|
# Abstract:
|
|
#
|
|
# Implementation of _LongJump() on IA-32.
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
|
|
ASM_GLOBAL ASM_PFX(InternalLongJump)
|
|
|
|
#------------------------------------------------------------------------------
|
|
# VOID
|
|
# EFIAPI
|
|
# InternalLongJump (
|
|
# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
|
|
# IN UINTN Value
|
|
# );
|
|
#------------------------------------------------------------------------------
|
|
ASM_PFX(InternalLongJump):
|
|
pop %eax # skip return address
|
|
pop %edx # edx <- JumpBuffer
|
|
pop %eax # eax <- Value
|
|
movl (%edx), %ebx
|
|
movl 4(%edx), %esi
|
|
movl 8(%edx), %edi
|
|
movl 12(%edx), %ebp
|
|
movl 16(%edx), %esp
|
|
jmp *20(%edx) # restore "eip"
|