+++ /dev/null
-;------------------------------------------------------------------------------\r
-;\r
-; Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>\r
-; 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
-; Abstract:\r
-;\r
-; Switch the stack from temporary memory to permenent memory.\r
-;\r
-;------------------------------------------------------------------------------\r
-\r
- .586p\r
- .model flat,C\r
- .code\r
-\r
-;------------------------------------------------------------------------------\r
-; UINT32\r
-; EFIAPI\r
-; Pei2LoaderSwitchStack (\r
-; VOID\r
-; )\r
-;------------------------------------------------------------------------------\r
-EXTERNDEF C MeasurePoint:PROC\r
-Pei2LoaderSwitchStack PROC C PUBLIC\r
- xor eax, eax\r
- jmp FspSwitchStack\r
-Pei2LoaderSwitchStack ENDP\r
-\r
-;------------------------------------------------------------------------------\r
-; UINT32\r
-; EFIAPI\r
-; Loader2PeiSwitchStack (\r
-; VOID\r
-; )\r
-;------------------------------------------------------------------------------\r
-Loader2PeiSwitchStack PROC C PUBLIC\r
- jmp FspSwitchStack\r
-Loader2PeiSwitchStack ENDP\r
-\r
-;------------------------------------------------------------------------------\r
-; UINT32\r
-; EFIAPI\r
-; FspSwitchStack (\r
-; VOID\r
-; )\r
-;------------------------------------------------------------------------------\r
-EXTERNDEF C SwapStack:PROC\r
-FspSwitchStack PROC C PUBLIC\r
- ; Save current contexts\r
- push eax\r
- pushfd\r
- cli\r
- pushad\r
- sub esp, 8\r
- sidt fword ptr [esp]\r
-\r
- ; Load new stack\r
- push esp\r
- call SwapStack\r
- mov esp, eax\r
-\r
- ; Restore previous contexts\r
- lidt fword ptr [esp]\r
- add esp, 8\r
- popad\r
- popfd\r
- add esp, 4\r
- ret\r
-FspSwitchStack ENDP\r
-\r
- END\r