diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/LongJump.asm')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/LongJump.asm | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/LongJump.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/LongJump.asm new file mode 100644 index 0000000..5a46082 --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/LongJump.asm @@ -0,0 +1,44 @@ +; 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 |