mirror of https://github.com/acidanthera/audk.git
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/** @file
|
|
Math worker functions.
|
|
|
|
Copyright (c) 2006, Intel Corporation<BR>
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
//
|
|
// Include common header file for this module.
|
|
//
|
|
#include "CommonHeader.h"
|
|
|
|
#include "BaseLibInternals.h"
|
|
|
|
/**
|
|
Shifts a 64-bit integer right between 0 and 63 bits. This high bits are
|
|
filled with zeros. The shifted value is returned.
|
|
|
|
This function shifts the 64-bit value Operand to the right by Count bits. The
|
|
high Count bits are set to zero. The shifted value is returned.
|
|
|
|
If Count is greater than 63, then ASSERT().
|
|
|
|
@param Operand The 64-bit operand to shift right.
|
|
@param Count The number of bits to shift right.
|
|
|
|
@return Operand >> Count
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
RShiftU64 (
|
|
IN UINT64 Operand,
|
|
IN UINTN Count
|
|
)
|
|
{
|
|
ASSERT (Count < sizeof (Operand) * 8);
|
|
return InternalMathRShiftU64 (Operand, Count);
|
|
}
|