projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| b1ff428c | 1 | #------------------------------------------------------------------------------\r |
| 2 | #\r | |
| bb817c56 HT |
3 | # Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r |
| 4 | # This program and the accompanying materials\r | |
| b1ff428c | 5 | # are licensed and made available under the terms and conditions of the BSD License\r |
| 6 | # which accompanies this distribution. The full text of the license may be found at\r | |
| 7 | # http://opensource.org/licenses/bsd-license.php\r | |
| 8 | #\r | |
| 9 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 10 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 11 | #\r | |
| 12 | # Module Name:\r | |
| 13 | #\r | |
| 14 | # LongJump.S\r | |
| 15 | #\r | |
| 16 | # Abstract:\r | |
| 17 | #\r | |
| 18 | # Implementation of _LongJump() on IA-32.\r | |
| 19 | #\r | |
| 20 | #------------------------------------------------------------------------------\r | |
| 21 | \r | |
| 132f41f0 | 22 | ASM_GLOBAL ASM_PFX(InternalLongJump)\r |
| b1ff428c | 23 | \r |
| 24 | #------------------------------------------------------------------------------\r | |
| 25 | # VOID\r | |
| 26 | # EFIAPI\r | |
| 27 | # InternalLongJump (\r | |
| 28 | # IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,\r | |
| 29 | # IN UINTN Value\r | |
| 30 | # );\r | |
| 31 | #------------------------------------------------------------------------------\r | |
| 32 | ASM_PFX(InternalLongJump):\r | |
| 33 | pop %eax # skip return address\r | |
| 34 | pop %edx # edx <- JumpBuffer\r | |
| 35 | pop %eax # eax <- Value\r | |
| 36 | movl (%edx), %ebx\r | |
| 37 | movl 4(%edx), %esi\r | |
| 38 | movl 8(%edx), %edi\r | |
| 39 | movl 12(%edx), %ebp\r | |
| 40 | movl 16(%edx), %esp\r | |
| 41 | jmp *20(%edx) # restore "eip"\r |