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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 | |||
1702 | cejka | 29 | /** @addtogroup ppc32 |
30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
342 | jermar | 35 | #ifndef __ppc32_BYTEORDER_H__ |
36 | #define __ppc32_BYTEORDER_H__ |
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292 | jermar | 37 | |
38 | #include <arch/types.h> |
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338 | jermar | 39 | #include <byteorder.h> |
292 | jermar | 40 | |
1298 | vana | 41 | #define BIG_ENDIAN |
42 | |||
1780 | jermar | 43 | static inline uint64_t uint64_t_le2host(uint64_t n) |
338 | jermar | 44 | { |
1780 | jermar | 45 | return uint64_t_byteorder_swap(n); |
338 | jermar | 46 | } |
47 | |||
48 | |||
1780 | jermar | 49 | /** Convert little-endian unative_t to host unative_t |
292 | jermar | 50 | * |
1780 | jermar | 51 | * Convert little-endian unative_t parameter to host endianess. |
292 | jermar | 52 | * |
1780 | jermar | 53 | * @param n Little-endian unative_t argument. |
292 | jermar | 54 | * |
55 | * @return Result in host endianess. |
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56 | * |
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57 | */ |
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1780 | jermar | 58 | static inline unative_t unative_t_le2host(unative_t n) |
332 | palkovsky | 59 | { |
1780 | jermar | 60 | uintptr_t v; |
292 | jermar | 61 | |
1267 | decky | 62 | asm volatile ( |
63 | "lwbrx %0, %1, %2\n" |
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64 | : "=r" (v) |
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65 | : "i" (0), "r" (&n) |
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66 | ); |
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292 | jermar | 67 | return v; |
68 | } |
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1267 | decky | 69 | |
292 | jermar | 70 | #endif |
1702 | cejka | 71 | |
72 | /** @} |
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73 | */ |
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74 |