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1 | /** @file\r | |
2 | \r | |
3 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials\r | |
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 | **/\r | |
13 | \r | |
14 | #ifndef _FSP_SWITCH_STACK_LIB_H_\r | |
15 | #define _FSP_SWITCH_STACK_LIB_H_\r | |
16 | \r | |
17 | /**\r | |
18 | \r | |
19 | This function will switch the current stack to the previous saved stack.\r | |
20 | Before calling the previous stack has to be set in FSP_GLOBAL_DATA.CoreStack.\r | |
21 | EIP\r | |
22 | FLAGS 16 bit FLAGS 16 bit\r | |
23 | EDI\r | |
24 | ESI\r | |
25 | EBP\r | |
26 | ESP\r | |
27 | EBX\r | |
28 | EDX\r | |
29 | ECX\r | |
30 | EAX\r | |
31 | DWORD IDT base1\r | |
32 | StackPointer: DWORD IDT base2\r | |
33 | \r | |
34 | @return ReturnKey After switching to the saved stack,\r | |
35 | this value will be saved in eax before returning.\r | |
36 | \r | |
37 | \r | |
38 | **/\r | |
39 | UINT32\r | |
40 | EFIAPI\r | |
41 | Pei2LoaderSwitchStack (\r | |
42 | VOID\r | |
43 | );\r | |
44 | \r | |
45 | #endif\r |