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| author | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-12-22 04:26:08 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-12-22 04:26:08 +0000 |
| commit | d766b22843bc2304cdb834eedc486ea3f1dd3335 (patch) | |
| tree | bcffab11f221e9fe5a6db611423a4e129d25aaff /EdkCompatibilityPkg/Compatibility/BootScriptSaveOnS3SaveStateThunk/IA32 | |
| parent | 23228db3827140cea7be70a20bb62cbcd9636cd7 (diff) | |
| download | edk2-platforms-d766b22843bc2304cdb834eedc486ea3f1dd3335.tar.xz | |
Fix boot script thunk issue that we need dispatch in PEI mode for Framework dispatch function, not in DXE mode.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11189 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkCompatibilityPkg/Compatibility/BootScriptSaveOnS3SaveStateThunk/IA32')
| -rw-r--r-- | EdkCompatibilityPkg/Compatibility/BootScriptSaveOnS3SaveStateThunk/IA32/DispatchExecute.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/BootScriptSaveOnS3SaveStateThunk/IA32/DispatchExecute.c b/EdkCompatibilityPkg/Compatibility/BootScriptSaveOnS3SaveStateThunk/IA32/DispatchExecute.c new file mode 100644 index 0000000000..7a3c9143b6 --- /dev/null +++ b/EdkCompatibilityPkg/Compatibility/BootScriptSaveOnS3SaveStateThunk/IA32/DispatchExecute.c @@ -0,0 +1,43 @@ +/** @file
+ Execute 32-bit code in Long Mode
+ Provide a thunk function to transition from long mode to compatibility mode to execute 32-bit code and then transit
+ back to long mode.
+
+ Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+ 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.
+
+**/
+#include "ScriptSave.h"
+/**
+ Wrapper for a thunk to transition from long mode to compatibility mode to execute 32-bit code and then transit back to
+ long mode.
+
+ @param Function The 32bit code entry to be executed.
+ @param Param1 The first parameter to pass to 32bit code
+ @param Param2 The second parameter to pass to 32bit code
+ @retval EFI_SUCCESS Execute 32bit code successfully.
+ @retval other Something wrong when execute the 32bit code
+
+**/
+EFI_STATUS
+Execute32BitCode (
+ IN UINT64 Function,
+ IN UINT64 Param1,
+ IN UINT64 Param2
+ )
+{
+ DISPATCH_ENTRYPOINT_FUNC EntryFunc;
+ EFI_STATUS Status;
+
+ EntryFunc = (DISPATCH_ENTRYPOINT_FUNC) (UINTN) (Function);
+ Status = EntryFunc ((VOID *)(UINTN)Param1, (VOID *)(UINTN)Param2);
+
+ return Status;
+}
+
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