--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006 - 2007, Intel Corporation\r
+All rights reserved. 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
+Module Name:\r
+\r
+ InitVariable.c\r
+\r
+Abstract:\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+#include "Variable.h"\r
+\r
+//\r
+// Event for Exit Boot Services Callback\r
+//\r
+STATIC EFI_EVENT mExitBootServicesEvent = NULL;\r
+\r
+\r
+//\r
+// Don't use module globals after the SetVirtualAddress map is signaled\r
+//\r
+extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceGetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID * VendorGuid,\r
+ OUT UINT32 *Attributes OPTIONAL,\r
+ IN OUT UINTN *DataSize,\r
+ OUT VOID *Data\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return GetVariable (\r
+ VariableName,\r
+ VendorGuid,\r
+ Attributes OPTIONAL,\r
+ DataSize,\r
+ Data,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceGetNextVariableName (\r
+ IN OUT UINTN *VariableNameSize,\r
+ IN OUT CHAR16 *VariableName,\r
+ IN OUT EFI_GUID *VendorGuid\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return GetNextVariableName (\r
+ VariableNameSize,\r
+ VariableName,\r
+ VendorGuid,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceSetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID *VendorGuid,\r
+ IN UINT32 Attributes,\r
+ IN UINTN DataSize,\r
+ IN VOID *Data\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return SetVariable (\r
+ VariableName,\r
+ VendorGuid,\r
+ Attributes,\r
+ DataSize,\r
+ Data,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ &mVariableModuleGlobal->VolatileLastVariableOffset,\r
+ &mVariableModuleGlobal->NonVolatileLastVariableOffset,\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceQueryVariableInfo (\r
+ IN UINT32 Attributes,\r
+ OUT UINT64 *MaximumVariableStorageSize,\r
+ OUT UINT64 *RemainingVariableStorageSize,\r
+ OUT UINT64 *MaximumVariableSize\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return QueryVariableInfo (\r
+ Attributes,\r
+ MaximumVariableStorageSize,\r
+ RemainingVariableStorageSize,\r
+ MaximumVariableSize,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+VariableClassAddressChangeEvent (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ EfiConvertPointer (\r
+ 0x0,\r
+ (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase\r
+ );\r
+ EfiConvertPointer (\r
+ 0x0,\r
+ (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase\r
+ );\r
+ EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VariableServiceInitialize (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ EFI_HANDLE NewHandle;\r
+ EFI_STATUS Status;\r
+\r
+ Status = VariableCommonInitialize (ImageHandle, SystemTable);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;\r
+ SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;\r
+ SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;\r
+ SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo;\r
+\r
+ //\r
+ // Now install the Variable Runtime Architectural Protocol on a new handle\r
+ //\r
+ NewHandle = NULL;\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &NewHandle,\r
+ &gEfiVariableArchProtocolGuid,\r
+ NULL,\r
+ &gEfiVariableWriteArchProtocolGuid,\r
+ NULL,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ Status = gBS->CreateEvent (\r
+ EVT_SIGNAL_EXIT_BOOT_SERVICES,\r
+ TPL_NOTIFY,\r
+ VariableClassAddressChangeEvent,\r
+ NULL,\r
+ &mExitBootServicesEvent\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ return EFI_SUCCESS;\r
+}\r