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Diffstat (limited to 'EDK/MiniSetup/BootOnly/variable.c')
| -rw-r--r-- | EDK/MiniSetup/BootOnly/variable.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/EDK/MiniSetup/BootOnly/variable.c b/EDK/MiniSetup/BootOnly/variable.c new file mode 100644 index 0000000..f600267 --- /dev/null +++ b/EDK/MiniSetup/BootOnly/variable.c @@ -0,0 +1,204 @@ +//*****************************************************************// +//*****************************************************************// +//*****************************************************************// +//** **// +//** (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 ** +//** ** +//********************************************************************** +//********************************************************************** |