| /* |
| * Copyright 2013, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <portability.h> |
| #include <sys/types.h> |
| |
| /* |
| * REV and REV16 weren't available on ARM5 or ARM4. |
| */ |
| #if !defined __ARM_ARCH_5__ && !defined __ARM_ARCH_5T__ && \ |
| !defined __ARM_ARCH_5TE__ && !defined __ARM_ARCH_5TEJ__ && \ |
| !defined __ARM_ARCH_4T__ && !defined __ARM_ARCH_4__ |
| |
| uint16_t WRAP(__swap16md)(uint16_t x) { |
| register uint16_t _x = (x); |
| __asm volatile ("rev16 %0, %0" : "+l" (_x)); |
| return _x; |
| } |
| |
| uint32_t WRAP(__swap32md)(uint32_t x) { |
| register uint32_t _x = (x); |
| __asm volatile ("rev %0, %0" : "+l" (_x)); |
| return _x; |
| } |
| |
| #endif |
| |