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| 292 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 342 | jermar | 29 | #ifndef __ppc32_BYTEORDER_H__ |
| 30 | #define __ppc32_BYTEORDER_H__ |
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| 292 | jermar | 31 | |
| 32 | #include <arch/types.h> |
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| 338 | jermar | 33 | #include <byteorder.h> |
| 292 | jermar | 34 | |
| 1298 | vana | 35 | #define BIG_ENDIAN |
| 36 | |||
| 338 | jermar | 37 | static inline __u64 __u64_le2host(__u64 n) |
| 38 | { |
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| 39 | return __u64_byteorder_swap(n); |
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| 40 | } |
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| 41 | |||
| 42 | |||
| 294 | jermar | 43 | /** Convert little-endian __native to host __native |
| 292 | jermar | 44 | * |
| 294 | jermar | 45 | * Convert little-endian __native parameter to host endianess. |
| 292 | jermar | 46 | * |
| 294 | jermar | 47 | * @param n Little-endian __native argument. |
| 292 | jermar | 48 | * |
| 49 | * @return Result in host endianess. |
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| 50 | * |
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| 51 | */ |
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| 338 | jermar | 52 | static inline __native __native_le2host(__native n) |
| 332 | palkovsky | 53 | { |
| 292 | jermar | 54 | __address v; |
| 55 | |||
| 1267 | decky | 56 | asm volatile ( |
| 57 | "lwbrx %0, %1, %2\n" |
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| 58 | : "=r" (v) |
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| 59 | : "i" (0), "r" (&n) |
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| 60 | ); |
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| 292 | jermar | 61 | return v; |
| 62 | } |
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| 1267 | decky | 63 | |
| 292 | jermar | 64 | #endif |