MdePkg/BaseLib: Add bit field population calculating methods

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / SetMem64Wrapper.c

/** @file\r
  SetMem64() implementation.\r
\r
  The following BaseMemoryLib instances contain the same copy of this file:\r
    BaseMemoryLib\r
    BaseMemoryLibMmx\r
    BaseMemoryLibSse2\r
    BaseMemoryLibRepStr\r
    BaseMemoryLibOptDxe\r
    BaseMemoryLibOptPei\r
    PeiMemoryLib\r
    UefiMemoryLib\r
\r
  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php.\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "MemLibInternals.h"\r
\r
/**\r
  Fills a target buffer with a 64-bit value, and returns the target buffer.\r
\r
  This function fills Length bytes of Buffer with the 64-bit value specified by\r
  Value, and returns Buffer. Value is repeated every 64-bits in for Length\r
  bytes of Buffer.\r
\r
  If Length > 0 and Buffer is NULL, then ASSERT().\r
  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
  If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
  If Length is not aligned on a 64-bit boundary, then ASSERT().\r
\r
  @param  Buffer  The pointer to the target buffer to fill.\r
  @param  Length  The number of bytes in Buffer to fill.\r
  @param  Value   The value with which to fill Length bytes of Buffer.\r
\r
  @return Buffer.\r
\r
**/\r
VOID *\r
EFIAPI\r
SetMem64 (\r
  OUT VOID   *Buffer,\r
  IN UINTN   Length,\r
  IN UINT64  Value\r
  )\r
{\r
  if (Length == 0) {\r
    return Buffer;\r
  }\r
\r
  ASSERT (Buffer != NULL);\r
  ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));\r
  ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0);\r
  ASSERT ((Length & (sizeof (Value) - 1)) == 0);\r
\r
  return InternalMemSetMem64 (Buffer, Length / sizeof (Value), Value);\r
}\r