9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
37 lines
912 B
C
37 lines
912 B
C
/** @file
|
|
Math worker functions.
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include "BaseLibInternals.h"
|
|
|
|
/**
|
|
Rotates a 32-bit integer left between 0 and 31 bits, filling the low bits
|
|
with the high bits that were rotated.
|
|
|
|
This function rotates the 32-bit value Operand to the left by Count bits. The
|
|
low Count bits are fill with the high Count bits of Operand. The rotated
|
|
value is returned.
|
|
|
|
If Count is greater than 31, then ASSERT().
|
|
|
|
@param Operand The 32-bit operand to rotate left.
|
|
@param Count The number of bits to rotate left.
|
|
|
|
@return Operand << Count
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
LRotU32 (
|
|
IN UINT32 Operand,
|
|
IN UINTN Count
|
|
)
|
|
{
|
|
ASSERT (Count < 32);
|
|
return (Operand << Count) | (Operand >> (32 - Count));
|
|
}
|