;------------------------------------------------------------------------------ | |
; | |
; Copyright (c) 2006, 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: | |
; | |
; LongJump.Asm | |
; | |
; Abstract: | |
; | |
; Implementation of _LongJump() on IA-32. | |
; | |
;------------------------------------------------------------------------------ | |
SECTION .text | |
;------------------------------------------------------------------------------ | |
; VOID | |
; EFIAPI | |
; InternalLongJump ( | |
; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, | |
; IN UINTN Value | |
; ); | |
;------------------------------------------------------------------------------ | |
global ASM_PFX(InternalLongJump) | |
ASM_PFX(InternalLongJump): | |
pop eax ; skip return address | |
pop edx ; edx <- JumpBuffer | |
pop eax ; eax <- Value | |
mov ebx, [edx] | |
mov esi, [edx + 4] | |
mov edi, [edx + 8] | |
mov ebp, [edx + 12] | |
mov esp, [edx + 16] | |
jmp dword [edx + 20] ; restore "eip" | |