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