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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 | |||
29 | #ifndef __mips_BYTEORDER_H__ |
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30 | #define __mips_BYTEORDER_H__ |
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31 | |||
32 | /* MIPS is little-endian */ |
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326 | palkovsky | 33 | #ifdef BIG_ENDIAN |
332 | palkovsky | 34 | static inline __u64 u64_le2host(__u64 n) |
35 | { |
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36 | return ((n & 0xff) << 56) | |
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37 | ((n & 0xff00) << 40) | |
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38 | ((n & 0xff0000) << 24) | |
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39 | ((n & 0xff000000LL) << 8) | |
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40 | ((n & 0xff00000000LL) >>8) | |
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41 | ((n & 0xff0000000000LL) >> 24) | |
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42 | ((n & 0xff000000000000LL) >> 40) | |
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43 | ((n & 0xff00000000000000LL) >> 56); |
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44 | } |
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45 | |||
326 | palkovsky | 46 | static inline __native native_le2host(__native n) |
47 | { |
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48 | return ((n & 0xff) << 24) | |
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49 | ((n & 0xff00) << 8) | |
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50 | ((n & 0xff0000) >> 8) | |
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51 | ((n & 0xff000000) >> 24); |
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52 | } |
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53 | #else |
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332 | palkovsky | 54 | # define native_le2host(n) (n) |
55 | # define u64_le2host(n) (n) |
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326 | palkovsky | 56 | #endif |
292 | jermar | 57 | |
58 | #endif |