1 /* 2 * Copyright 2013, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <portability.h> 18 #include <sys/types.h> 19 20 uint16_t WRAP(__swap16md)(uint16_t x) { 21 register uint16_t _x = (x); 22 __asm volatile ("rorw $8, %w0" : "+r" (_x)); 23 return _x; 24 } 25 26 uint32_t WRAP(__swap32md)(uint32_t x) { 27 register uint32_t _x = (x); 28 __asm volatile ("bswap %0" : "+r" (_x)); 29 return _x; 30 } 31 32