audk/MdePkg/Library/PeiMemoryLib/MemLib.c

66 lines
1.8 KiB
C

/** @file
Base Memory Library functions implementation bases on PeiServcie.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "MemLibInternals.h"
/**
Copies a source buffer to a destination buffer, and returns the destination buffer.
This function wraps the gPS->CopyMem ().
@param DestinationBuffer The pointer to the destination buffer of the memory copy.
@param SourceBuffer The pointer to the source buffer of the memory copy.
@param Length The number of bytes to copy from SourceBuffer to DestinationBuffer.
@return DestinationBuffer.
**/
VOID *
EFIAPI
InternalMemCopyMem (
OUT VOID *Destination,
IN CONST VOID *Source,
IN UINTN Length
)
{
(*GetPeiServicesTablePointer ())->CopyMem (
Destination,
(VOID*)Source,
Length
);
return Destination;
}
/**
Fills a target buffer with a byte value, and returns the target buffer.
This function wraps the gPS->SetMem ().
@param Buffer Memory to set.
@param Size The number of bytes to set.
@param Value Value of the set operation.
@return Buffer.
**/
VOID *
EFIAPI
InternalMemSetMem (
OUT VOID *Buffer,
IN UINTN Size,
IN UINT8 Value
)
{
(*GetPeiServicesTablePointer ())->SetMem (
Buffer,
Size,
Value
);
return Buffer;
}