Root/
| Source at commit 1305 created 12 years 8 months ago. By meklort, Cleanup arch makefiles. Begin merging of BootX source - will need cleaning up | |
|---|---|
| 1 | /*␊ |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * The contents of this file constitute Original Code as defined in and␊ |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the␊ |
| 8 | * "License"). You may not use this file except in compliance with the␊ |
| 9 | * License. Please obtain a copy of the License at␊ |
| 10 | * http://www.apple.com/publicsource and read it before using this file.␊ |
| 11 | * ␊ |
| 12 | * This Original Code and all software distributed under the License are␊ |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
| 17 | * License for the specific language governing rights and limitations␊ |
| 18 | * under the License.␊ |
| 19 | * ␊ |
| 20 | * @APPLE_LICENSE_HEADER_END@␊ |
| 21 | */␊ |
| 22 | /*␊ |
| 23 | * bswap.c - Endian Swapping functions.␊ |
| 24 | *␊ |
| 25 | * Copyright (c) 2000 Apple Computer, Inc.␊ |
| 26 | *␊ |
| 27 | * DRI: Josh de Cesare␊ |
| 28 | */␊ |
| 29 | ␊ |
| 30 | #include <libclite.h>␊ |
| 31 | ␊ |
| 32 | int16_t bswap16(int16_t data)␊ |
| 33 | {␊ |
| 34 | int16_t tmpData;␊ |
| 35 | ␊ |
| 36 | __asm__ volatile("sthbrx %0, 0, %1" : : "r" (data), "r" (&tmpData));␊ |
| 37 | ␊ |
| 38 | return tmpData;␊ |
| 39 | }␊ |
| 40 | ␊ |
| 41 | int32_t bswap32(int32_t data)␊ |
| 42 | {␊ |
| 43 | int32_t tmpData;␊ |
| 44 | ␊ |
| 45 | __asm__ volatile("stwbrx %0, 0, %1" : : "r" (data), "r" (&tmpData));␊ |
| 46 | ␊ |
| 47 | return tmpData;␊ |
| 48 | }␊ |
| 49 | |
