Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing...

[mirror_edk2.git] / OldMdePkg / Library / BaseLib / Ia32 / SetJump.c

/** @file\r
  Implementation of SetJump() on IA-32.\r
\r
  Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
  All rights reserved. This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
VOID\r
EFIAPI\r
InternalAssertJumpBuffer (\r
  IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer\r
  );\r
\r
_declspec (naked)\r
UINTN\r
EFIAPI\r
SetJump (\r
  OUT     BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer\r
  )\r
{\r
  _asm {\r
    push    [esp + 4]\r
    call    InternalAssertJumpBuffer\r
    pop     ecx\r
    pop     ecx\r
    mov     edx, [esp]\r
    mov     [edx], ebx\r
    mov     [edx + 4], esi\r
    mov     [edx + 8], edi\r
    mov     [edx + 12], ebp\r
    mov     [edx + 16], esp\r
    mov     [edx + 20], ecx\r
    xor     eax, eax\r
    jmp     ecx\r
  }\r
}\r
\r