EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SetJump.asm

   1 ; Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>
   2 ; This program and the accompanying materials
   3 ; are licensed and made available under the terms and conditions of the BSD License
   4 ; which accompanies this distribution.  The full text of the license may be found at
   5 ; http://opensource.org/licenses/bsd-license.php
   6 ;
   7 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   8 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   9 ;
  10 ; Module Name:
  11 ;
  12 ;   SetJump.Asm
  13 ;
  14 ; Abstract:
  15 ;
  16 ;   Implementation of SetJump() on x64.
  17 ;
  18 ;------------------------------------------------------------------------------
  19
  20     .code
  21
  22 EXTERNDEF   InternalAssertJumpBuffer:PROC
  23
  24 ;------------------------------------------------------------------------------
  25 ; UINTN
  26 ; EFIAPI
  27 ; SetJump (
  28 ;   OUT     BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer
  29 ;   );
  30 ;------------------------------------------------------------------------------
  31 SetJump     PROC
  32     push    rcx
  33     add     rsp, -20h
  34     call    InternalAssertJumpBuffer
  35     add     rsp, 20h
  36     pop     rcx
  37     pop     rdx
  38     mov     [rcx], rbx
  39     mov     [rcx + 8], rsp
  40     mov     [rcx + 10h], rbp
  41     mov     [rcx + 18h], rdi
  42     mov     [rcx + 20h], rsi
  43     mov     [rcx + 28h], r12
  44     mov     [rcx + 30h], r13
  45     mov     [rcx + 38h], r14
  46     mov     [rcx + 40h], r15
  47     mov     [rcx + 48h], rdx
  48     xor     rax, rax
  49     jmp     rdx
  50 SetJump     ENDP
  51
  52     END