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1160 | decky | 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 __ppc64_BYTEORDER_H__ |
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30 | #define __ppc64_BYTEORDER_H__ |
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31 | |||
32 | #include <arch/types.h> |
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33 | #include <byteorder.h> |
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34 | |||
1298 | vana | 35 | #define BIG_ENDIAN |
36 | |||
1160 | decky | 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 | |||
43 | /** Convert little-endian __native to host __native |
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44 | * |
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45 | * Convert little-endian __native parameter to host endianess. |
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46 | * |
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47 | * @param n Little-endian __native argument. |
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48 | * |
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49 | * @return Result in host endianess. |
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50 | * |
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51 | */ |
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52 | static inline __native __native_le2host(__native n) |
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53 | { |
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54 | __address v; |
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55 | |||
1398 | 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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1160 | decky | 61 | return v; |
62 | } |
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1398 | decky | 63 | |
1160 | decky | 64 | #endif |