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//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2011, American Megatrends, Inc. **//
//** **//
//** All Rights Reserved. **//
//** **//
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **//
//** **//
//** Phone (770)-246-8600 **//
//** **//
//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
// $Archive: /Alaska/SOURCE/Modules/AMITSE2_0/AMITSE/BootOnly/variable.c $
//
// $Author: Arunsb $
//
// $Revision: 7 $
//
// $Date: 10/18/12 5:59a $
//
//*****************************************************************//
//*****************************************************************//
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/AMITSE2_0/AMITSE/BootOnly/variable.c $
//
// 7 10/18/12 5:59a Arunsb
// Updated for 2.16.1235 QA submission
//
// 10 10/10/12 12:36p Arunsb
// Synched the source for v2.16.1232, backup with Aptio
//
// 6 9/28/11 10:48p Arunsb
// [TAG] EIP66369
// [Category] Bug Fix
// [Severity] Important
// [Symptom] English strings appears intermediately when Chinese is a
// current language
// [RootCause] Some cases lang variable is not NULL terminated
// [Solution] Lang variable made as NULL terminated.
// [Files] BootOnly\Variable.c
//
// 5 6/17/10 2:59p Madhans
// Dynamic parsing support in TSE.
//
// 4 2/19/10 1:02p Madhans
// Updated for TSE 2.01. Refer Changelog.log for File change history.
//
// 6 2/19/10 8:14a Mallikarjunanv
// updated year in copyright message
//
// 5 2/18/10 8:26p Madhans
// To take care NOGET and NOSET Attribs from Exetendedflags of
// VariableInfo
//
// 4 1/09/10 5:44a Mallikarjunanv
// Updated TSE2.01 Release sources with coding standards
//
// 3 6/23/09 6:56p Blaines
// Coding standard update,
// Remove spaces from file header to allow proper chm function list
// creation.
//
// 2 6/12/09 7:41p Presannar
// Initial implementation of coding standards
//
// 1 6/04/09 8:05p Madhans
//
// 1 4/28/09 11:13p Madhans
// Tse 2.0 Code complete Checkin.
//
// 2 1/30/09 6:06p Madhans
// Function headers added.
//
// 1 12/18/08 7:58p Madhans
// Intial version of TSE Lite sources
//*****************************************************************//
//*****************************************************************//
//<AMI_FHDR_START>
//----------------------------------------------------------------------------
//
// Name: variable.c
//
// Description: This file contains code to handle bootonly lever variables operations.
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "minisetup.h"
extern UINTN gSetupCount;
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: VarGetNvramName
//
// Description: function to get the NvRam Variable Name
//
// Input: CHAR16 *name, EFI_GUID *guid, UINT32 *attributes, UINTN *size
//
// Output: Name String
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID *VarGetNvramName( CHAR16 *name, EFI_GUID *guid, UINT32 *attributes, UINTN *size )
{
VOID *buffer = NULL;
UINT32 attrib = 0;
EFI_STATUS Status = EFI_UNSUPPORTED;
// NO GET Functionality is taken care by VarGetNvram()
if ( attributes != NULL )
{
attrib = *attributes;
}
Status = UefiFormCallbackNVRead(name, guid, &attrib, size, &buffer);
if(EFI_ERROR(Status))
{
Status = gRT->GetVariable(
name,
guid,
&attrib,
size,
buffer
);
if ( Status != EFI_BUFFER_TOO_SMALL )
return buffer;
buffer = EfiLibAllocateZeroPool ( *size + 1);
if ( buffer == NULL )
return buffer;
Status = gRT->GetVariable(
name,
guid,
&attrib,
size,
buffer
);
}
if ( EFI_ERROR( Status ) )
MemFreePointer( (VOID *)&buffer );
if ( attributes != NULL )
*attributes = attrib;
return buffer;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: VarSetNvramName
//
// Description: function to Set the NvRam Variable Name
//
// Input: CHAR16 *name, EFI_GUID *guid, UINT32 *attributes,
// VOID *buffer, UINTN *size
//
// Output: status
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS VarSetNvramName( CHAR16 *name, EFI_GUID *guid, UINT32 attributes, VOID *buffer, UINTN size )
{
EFI_STATUS Status = EFI_UNSUPPORTED;
// NO SET Functionality is taken care by VarSetNvram()
Status = UefiFormCallbackNVWrite(name, guid, attributes, buffer, size);
if(EFI_ERROR(Status ) )
Status = gRT->SetVariable(
name,
guid,
attributes,
size,
buffer
);
return(Status);
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
