/** @file\r
SMI management.\r
\r
- Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials are licensed and made available \r
under the terms and conditions of the BSD License which accompanies this \r
distribution. The full text of the license may be found at \r
\r
#include "PiSmmCore.h"\r
\r
-//\r
-// SMM_HANDLER - used for each SMM handler\r
-//\r
-\r
-#define SMI_ENTRY_SIGNATURE SIGNATURE_32('s','m','i','e')\r
-\r
- typedef struct {\r
- UINTN Signature;\r
- LIST_ENTRY AllEntries; // All entries\r
-\r
- EFI_GUID HandlerType; // Type of interrupt\r
- LIST_ENTRY SmiHandlers; // All handlers\r
-} SMI_ENTRY;\r
-\r
-#define SMI_HANDLER_SIGNATURE SIGNATURE_32('s','m','i','h')\r
-\r
- typedef struct {\r
- UINTN Signature;\r
- LIST_ENTRY Link; // Link on SMI_ENTRY.SmiHandlers\r
- EFI_SMM_HANDLER_ENTRY_POINT2 Handler; // The smm handler's entry point\r
- SMI_ENTRY *SmiEntry;\r
-} SMI_HANDLER;\r
-\r
-LIST_ENTRY mRootSmiHandlerList = INITIALIZE_LIST_HEAD_VARIABLE (mRootSmiHandlerList);\r
LIST_ENTRY mSmiEntryList = INITIALIZE_LIST_HEAD_VARIABLE (mSmiEntryList);\r
\r
+SMI_ENTRY mRootSmiEntry = {\r
+ SMI_ENTRY_SIGNATURE,\r
+ INITIALIZE_LIST_HEAD_VARIABLE (mRootSmiEntry.AllEntries),\r
+ {0},\r
+ INITIALIZE_LIST_HEAD_VARIABLE (mRootSmiEntry.SmiHandlers),\r
+};\r
+\r
/**\r
Finds the SMI entry for the requested handler type.\r
\r
//\r
// Root SMI handler\r
//\r
-\r
- Head = &mRootSmiHandlerList;\r
+ SmiEntry = &mRootSmiEntry;\r
} else {\r
//\r
// Non-root SMI handler\r
//\r
return Status;\r
}\r
-\r
- Head = &SmiEntry->SmiHandlers;\r
}\r
+ Head = &SmiEntry->SmiHandlers;\r
\r
for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r
SmiHandler = CR (Link, SMI_HANDLER, Link, SMI_HANDLER_SIGNATURE);\r
\r
SmiHandler->Signature = SMI_HANDLER_SIGNATURE;\r
SmiHandler->Handler = Handler;\r
+ SmiHandler->CallerAddr = (UINTN)RETURN_ADDRESS (0);\r
\r
if (HandlerType == NULL) {\r
//\r
// This is root SMI handler\r
//\r
- SmiEntry = NULL;\r
- List = &mRootSmiHandlerList;\r
+ SmiEntry = &mRootSmiEntry;\r
} else {\r
//\r
// None root SMI handler\r
if (SmiEntry == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
-\r
- List = &SmiEntry->SmiHandlers;\r
}\r
+ List = &SmiEntry->SmiHandlers;\r
\r
SmiHandler->SmiEntry = SmiEntry;\r
InsertTailList (List, &SmiHandler->Link);\r