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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | #ifndef __ppc_BYTEORDER_H__ |
29 | #ifndef __ppc_BYTEORDER_H__ |
| 30 | #define __ppc_BYTEORDER_H__ |
30 | #define __ppc_BYTEORDER_H__ |
| 31 | 31 | ||
| 32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
| - | 33 | #include <byteorder.h> |
|
| - | 34 | ||
| - | 35 | static inline __u64 __u64_le2host(__u64 n) |
|
| - | 36 | { |
|
| - | 37 | return __u64_byteorder_swap(n); |
|
| - | 38 | } |
|
| - | 39 | ||
| 33 | 40 | ||
| 34 | /** Convert little-endian __native to host __native |
41 | /** Convert little-endian __native to host __native |
| 35 | * |
42 | * |
| 36 | * Convert little-endian __native parameter to host endianess. |
43 | * Convert little-endian __native parameter to host endianess. |
| 37 | * |
44 | * |
| 38 | * @param n Little-endian __native argument. |
45 | * @param n Little-endian __native argument. |
| 39 | * |
46 | * |
| 40 | * @return Result in host endianess. |
47 | * @return Result in host endianess. |
| 41 | * |
48 | * |
| 42 | */ |
49 | */ |
| 43 | static inline __u64 u64_le2host(__u64 n) |
- | |
| 44 | { |
- | |
| 45 | return ((n & 0xff) << 56) | |
- | |
| 46 | ((n & 0xff00) << 40) | |
- | |
| 47 | ((n & 0xff0000) << 24) | |
- | |
| 48 | ((n & 0xff000000LL) << 8) | |
- | |
| 49 | ((n & 0xff00000000LL) >>8) | |
- | |
| 50 | ((n & 0xff0000000000LL) >> 24) | |
- | |
| 51 | ((n & 0xff000000000000LL) >> 40) | |
- | |
| 52 | ((n & 0xff00000000000000LL) >> 56); |
- | |
| 53 | } |
- | |
| 54 | static inline __native native_le2host(__native n) |
50 | static inline __native __native_le2host(__native n) |
| 55 | { |
51 | { |
| 56 | __address v; |
52 | __address v; |
| 57 | 53 | ||
| 58 | __asm__ volatile ("lwbrx %0, %1, %2\n" : "=r" (v) : "i" (0) , "r" (&n)); |
54 | __asm__ volatile ("lwbrx %0, %1, %2\n" : "=r" (v) : "i" (0) , "r" (&n)); |
| 59 | 55 | ||
| 60 | return v; |
56 | return v; |
| 61 | } |
57 | } |
| 62 | #endif |
58 | #endif |
| 63 | 59 | ||