-/*++\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 Virtual Address Change Callback\r
-//\r
-STATIC EFI_EVENT mVirtualAddressChangeEvent = 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_VIRTUAL_ADDRESS_CHANGE,\r
- TPL_NOTIFY,\r
- VariableClassAddressChangeEvent,\r
- NULL,\r
- &mVirtualAddressChangeEvent\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return EFI_SUCCESS;\r
-}\r