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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 | //\r |
16 | // Include common header file for this module.\r |
17 | //\r |
18 | #include "CommonHeader.h"\r |
19 | \r |
20 | #include "BaseLibInternals.h"\r |
21 | \r |
22 | /**\r |
23 | Shifts a 64-bit integer right between 0 and 63 bits. The high bits are filled\r |
24 | with original integer's bit 63. The shifted value is returned.\r |
25 | \r |
26 | This function shifts the 64-bit value Operand to the right by Count bits. The\r |
27 | high Count bits are set to bit 63 of Operand. The shifted value is returned.\r |
28 | \r |
29 | If Count is greater than 63, then ASSERT().\r |
30 | \r |
31 | @param Operand The 64-bit operand to shift right.\r |
32 | @param Count The number of bits to shift right.\r |
33 | \r |
34 | @return Operand arithmetically shifted right by Count\r |
35 | \r |
36 | **/\r |
37 | UINT64\r |
38 | EFIAPI\r |
39 | ARShiftU64 (\r |
40 | IN UINT64 Operand,\r |
41 | IN UINTN Count\r |
42 | )\r |
43 | {\r |
44 | ASSERT (Count < sizeof (Operand) * 8);\r |
45 | return InternalMathARShiftU64 (Operand, Count);\r |
46 | }\r |