MdePkg/Library/BaseLib/X64/LongJump.asm

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2006, Intel Corporation
   4 ; All rights reserved. This program and the accompanying materials
   5 ; are licensed and made available under the terms and conditions of the BSD License
   6 ; which accompanies this distribution.  The full text of the license may be found at
   7 ; http://opensource.org/licenses/bsd-license.php
   8 ;
   9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 ;
  12 ; Module Name:
  13 ;
  14 ;   LongJump.Asm
  15 ;
  16 ; Abstract:
  17 ;
  18 ;   Implementation of _LongJump() on x64.
  19 ;
  20 ;------------------------------------------------------------------------------
  21
  22     .code
  23
  24 ;------------------------------------------------------------------------------
  25 ; VOID
  26 ; EFIAPI
  27 ; InternalLongJump (
  28 ;   IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
  29 ;   IN      UINTN                     Value
  30 ;   );
  31 ;------------------------------------------------------------------------------
  32 InternalLongJump    PROC
  33     mov     rbx, [rcx]
  34     mov     rsp, [rcx + 8]
  35     mov     rbp, [rcx + 10h]
  36     mov     rdi, [rcx + 18h]
  37     mov     rsi, [rcx + 20h]
  38     mov     r12, [rcx + 28h]
  39     mov     r13, [rcx + 30h]
  40     mov     r14, [rcx + 38h]
  41     mov     r15, [rcx + 40h]
  42     mov     rax, rdx
  43     jmp     qword ptr [rcx + 48h]
  44 InternalLongJump    ENDP
  45
  46     END