Line | Count | Source |
1 | /** @file | |
2 | Math worker functions. | |
3 | ||
4 | Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> | |
5 | SPDX-License-Identifier: BSD-2-Clause-Patent | |
6 | ||
7 | **/ | |
8 | ||
9 | #include <Base.h> | |
10 | #include <Library/BaseLib.h> | |
11 | #include <Library/DebugLib.h> | |
12 | ||
13 | UINT64 | |
14 | EFIAPI | |
15 | InternalMathLShiftU64 ( | |
16 | IN UINT64 Operand, | |
17 | IN UINTN Count | |
18 | ); | |
19 | ||
20 | /** | |
21 | Shifts a 64-bit integer left between 0 and 63 bits. The low bits are filled | |
22 | with zeros. The shifted value is returned. | |
23 | ||
24 | This function shifts the 64-bit value Operand to the left by Count bits. The | |
25 | low Count bits are set to zero. The shifted value is returned. | |
26 | ||
27 | If Count is greater than 63, then ASSERT(). | |
28 | ||
29 | @param Operand The 64-bit operand to shift left. | |
30 | @param Count The number of bits to shift left. | |
31 | ||
32 | @return Operand << Count. | |
33 | ||
34 | **/ | |
35 | UINT64 | |
36 | EFIAPI | |
37 | LShiftU64 ( | |
38 | IN UINT64 Operand, | |
39 | IN UINTN Count | |
40 | ) | |
41 | 149 | { |
42 | 149 | ASSERT (Count < 64); |
43 | 149 | return InternalMathLShiftU64 (Operand, Count); |
44 | 149 | } |