projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| e1f414b6 | 1 | /** @file\r |
| 2 | Implementation of _LongJump() on IA-32.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2006 - 2007, Intel Corporation<BR>\r | |
| 5 | All rights reserved. This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | //\r | |
| 16 | // Include common header file for this module.\r | |
| 17 | //\r | |
| f734a10a A |
18 | #include <BaseLibInternals.h>\r |
| 19 | \r | |
| e1f414b6 | 20 | \r |
| 21 | __declspec (naked)\r | |
| 22 | VOID\r | |
| 23 | EFIAPI\r | |
| 24 | InternalLongJump (\r | |
| 25 | IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,\r | |
| 26 | IN UINTN Value\r | |
| 27 | )\r | |
| 28 | {\r | |
| 29 | _asm {\r | |
| 30 | pop eax ; skip return address\r | |
| 31 | pop edx ; edx <- JumpBuffer\r | |
| 32 | pop eax ; eax <- Value\r | |
| 33 | mov ebx, [edx]\r | |
| 34 | mov esi, [edx + 4]\r | |
| 35 | mov edi, [edx + 8]\r | |
| 36 | mov ebp, [edx + 12]\r | |
| 37 | mov esp, [edx + 16]\r | |
| 38 | jmp dword ptr [edx + 20]\r | |
| 39 | }\r | |
| 40 | }\r | |
| 41 | \r |