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//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2010, 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/mem.c $
//
// $Author: Arunsb $
//
// $Revision: 5 $
//
// $Date: 10/18/12 5:58a $
//
//*****************************************************************//
//*****************************************************************//
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/AMITSE2_0/AMITSE/BootOnly/mem.c $
//
// 5 10/18/12 5:58a Arunsb
// Updated for 2.16.1235 QA submission
//
// 7 10/10/12 12:36p Arunsb
// Synched the source for v2.16.1232, backup with Aptio
//
// 4 11/10/11 12:52a Arunsb
// [TAG] EIP67735
// [Category] Improvement
// [Description] Zeroing password buffers before freeing
// [Files] mem.c, mem.h, popupedit.c, popuppassword.c and tseadvanced.c
//
// 3 2/19/10 1:02p Madhans
// Updated for TSE 2.01. Refer Changelog.log for File change history.
//
// 4 2/19/10 8:14a Mallikarjunanv
// updated year in copyright message
//
// 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 11:12p Madhans
// Tse 2.0 Code complete Checkin.
//
// 3 3/31/09 3:37p Madhans
// TSE_USE_EDK_LIBRARY
//
// 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: mem.c
//
// Description: file contains code to handle the memory operations.
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "minisetup.h"
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: MemFreePointer
//
// Description: function to free the pointers
//
// Input: VOID **ptr
//
// Output: void
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID MemFreePointer( VOID **ptr )
{
if ( ( ptr == NULL ) || ( *ptr == NULL ) )
return;
gBS->FreePool( *ptr );
*ptr = NULL;
}
//<AMI_PHDR_START>
//-----------------------------------------------------------------------------------------------
// Procedure: StringZeroFreeMemory
//
// Description: Function to free the string pointers and zeroing its memory, used for strings
// Care should be taken String Length identification function is used
//
// Input: VOID **ptr
//
// Output: void
//
//-------------------------------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID StringZeroFreeMemory (VOID **ptr)
{
if ( (ptr == NULL) || (*ptr == NULL))
return;
MemSet (*ptr, (EfiStrLen ((CHAR16 *)*ptr) * sizeof (CHAR16)), 0);
gBS->FreePool (*ptr);
*ptr = NULL;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: MemCopy
//
// Description: function to copy a memory
//
// Input: VOID *dest, VOID *src, UINTN size
//
// Output: void
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID MemCopy( VOID *dest, VOID *src, UINTN size )
{
gBS->CopyMem( dest, src, size );
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: MemSet
//
// Description: function to set the memory with the specified value
//
// Input: VOID *buffer, UINTN size, UINT8 value
//
// Output: void
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
#if TSE_USE_EDK_LIBRARY
VOID MemSet( VOID *buffer, UINTN size, UINT8 value )
{
gBS->SetMem( buffer, size, value );
}
#endif //#if TSE_USE_EDK_LIBRARY
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: MemReallocateZeroPool
//
// Description: function to reuse a allocated buffer
//
// Input: VOID *oldBuffer, UINTN oldSize, UINTN newSize
//
// Output: void
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID *MemReallocateZeroPool( VOID *oldBuffer, UINTN oldSize, UINTN newSize )
{
VOID *buffer;
buffer = EfiLibAllocateZeroPool( newSize );
if ( buffer == NULL )
return buffer;
if ( newSize < oldSize )
oldSize = newSize;
if ( oldBuffer != NULL )
MemCopy( buffer, oldBuffer, oldSize );
MemFreePointer( (VOID **)&oldBuffer );
return buffer;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: MemFillUINT16Buffer
//
// Description: function to fill a UINT16 Buffer
//
// Input: VOID *buffer, UINTN bufferSize, UINT16 value
//
// Output: void
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID MemFillUINT16Buffer( VOID *buffer, UINTN bufferSize, UINT16 value )
{
UINTN Index;
UINT16 *bufPtr = (UINT16 *)buffer;
for ( Index = 0; Index < bufferSize; Index++ )
*bufPtr++ = value;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: MemCmp
//
// Description: function to compare the memory of two buffers.
//
// Input: UINT8 *dest, UINT8 *src, UINTN size
//
// Output: 0/1/-1
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
#if TSE_USE_EDK_LIBRARY
INTN MemCmp( UINT8 *dest, UINT8 *src, UINTN size )
{
UINTN i;
for( i=0; i<size; i++)
{
if(dest[i] < src[i])
return -1;
if(dest[i] > src[i])
return 1;
}
return 0;
}
#endif //#if TSE_USE_EDK_LIBRARY
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
