From 1760cf81e4b1847c6823ea3514a78dd120e19b6e Mon Sep 17 00:00:00 2001 From: Guo Mang Date: Thu, 22 Dec 2016 15:57:14 +0800 Subject: MdePkg: Move to new location Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Guo Mang --- Core/MdePkg/Library/BaseLib/RRotU64.c | 42 +++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Core/MdePkg/Library/BaseLib/RRotU64.c (limited to 'Core/MdePkg/Library/BaseLib/RRotU64.c') diff --git a/Core/MdePkg/Library/BaseLib/RRotU64.c b/Core/MdePkg/Library/BaseLib/RRotU64.c new file mode 100644 index 0000000000..45be7efdc3 --- /dev/null +++ b/Core/MdePkg/Library/BaseLib/RRotU64.c @@ -0,0 +1,42 @@ +/** @file + Math worker functions. + + Copyright (c) 2006 - 2008, Intel Corporation. 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 "BaseLibInternals.h" + +/** + Rotates a 64-bit integer right between 0 and 63 bits, filling the high bits + with the high low bits that were rotated. + + This function rotates the 64-bit value Operand to the right by Count bits. + The high Count bits are fill with the low Count bits of Operand. The rotated + value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to rotate right. + @param Count The number of bits to rotate right. + + @return Operand >> Count. + +**/ +UINT64 +EFIAPI +RRotU64 ( + IN UINT64 Operand, + IN UINTN Count + ) +{ + ASSERT (Count < 64); + return InternalMathRRotU64 (Operand, Count); +} -- cgit v1.2.3