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1 | /** @file\r |
2 | Math worker functions.\r |
3 | \r |
4 | Copyright (c) 2006, Intel Corporation<BR>\r |
5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r |
8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
12 | \r |
13 | **/\r |
14 | \r |
15 | #include "BaseLibInternals.h"\r |
16 | \r |
17 | /**\r |
18 | Rotates a 64-bit integer right between 0 and 63 bits, filling the high bits\r |
19 | with the high low bits that were rotated.\r |
20 | \r |
21 | This function rotates the 64-bit value Operand to the right by Count bits.\r |
22 | The high Count bits are fill with the low Count bits of Operand. The rotated\r |
23 | value is returned.\r |
24 | \r |
25 | If Count is greater than 63, then ASSERT().\r |
26 | \r |
27 | @param Operand The 64-bit operand to rotate right.\r |
28 | @param Count The number of bits to rotate right.\r |
29 | \r |
30 | @return Operand >>> Count\r |
31 | \r |
32 | **/\r |
33 | UINT64\r |
34 | EFIAPI\r |
35 | RRotU64 (\r |
36 | IN UINT64 Operand,\r |
37 | IN UINTN Count\r |
38 | )\r |
39 | {\r |
40 | ASSERT (Count < sizeof (Operand) * 8);\r |
41 | return InternalMathRRotU64 (Operand, Count);\r |
42 | }\r |