| /* |
| * Copright (C) 2014 Linaro Ltd. |
| * Author: Ard Biesheuvel <ard.biesheuvel@linaro.org> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice and this list of conditions, without modification. |
| * 2. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License as published by the Free Software Foundation; |
| * either version 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include "lib.h" |
| |
| UINT64 |
| LShiftU64 ( |
| IN UINT64 Operand, |
| IN UINTN Count |
| ) |
| // Left shift 64bit by 32bit and get a 64bit result |
| { |
| return Operand << Count; |
| } |
| |
| UINT64 |
| RShiftU64 ( |
| IN UINT64 Operand, |
| IN UINTN Count |
| ) |
| // Right shift 64bit by 32bit and get a 64bit result |
| { |
| return Operand >> Count; |
| } |
| |
| |
| UINT64 |
| MultU64x32 ( |
| IN UINT64 Multiplicand, |
| IN UINTN Multiplier |
| ) |
| // Multiple 64bit by 32bit and get a 64bit result |
| { |
| return Multiplicand * Multiplier; |
| } |