longjump.asm

来自「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是」· 汇编 代码 · 共 45 行

; Copyright (c) 2004, 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.Asm
;
; Abstract:
;
;   Implementation of _LongJump() on IA-32.
;
;------------------------------------------------------------------------------

    .386
    .model  flat,C
    .code

;------------------------------------------------------------------------------
; VOID
; EFIAPI
; InternalLongJump (
;   IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
;   IN      UINTN                     Value
;   );
;------------------------------------------------------------------------------
InternalLongJump    PROC
    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 ptr [edx + 20]
InternalLongJump    ENDP

    END