setjump.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 53 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:
;
;   SetJump.Asm
;
; Abstract:
;
;   Implementation of SetJump() on x64.
;
;------------------------------------------------------------------------------

    .code

EXTERNDEF   InternalAssertJumpBuffer:PROC

;------------------------------------------------------------------------------
; UINTN
; EFIAPI
; SetJump (
;   OUT     BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer
;   );
;------------------------------------------------------------------------------
SetJump     PROC
    push    rcx
    add     rsp, -20h
    call    InternalAssertJumpBuffer
    add     rsp, 20h
    pop     rcx
    pop     rdx
    mov     [rcx], rbx
    mov     [rcx + 8], rsp
    mov     [rcx + 10h], rbp
    mov     [rcx + 18h], rdi
    mov     [rcx + 20h], rsi
    mov     [rcx + 28h], r12
    mov     [rcx + 30h], r13
    mov     [rcx + 38h], r14
    mov     [rcx + 40h], r15
    mov     [rcx + 48h], rdx
    xor     rax, rax
    jmp     rdx
SetJump     ENDP

    END