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1400 | decky | 1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
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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 | |||
1656 | cejka | 29 | /** @addtogroup libcppc64 ppc64 |
30 | * @brief ppc64 architecture dependent parts of libc |
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31 | * @ingroup lc |
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32 | * @{ |
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33 | */ |
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34 | /** @file |
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35 | */ |
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36 | |||
1400 | decky | 37 | #include <libc.h> |
38 | |||
39 | sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, const sysarg_t p3, const sysarg_t p4, const syscall_t id) |
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40 | { |
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41 | register sysarg_t __ppc32_reg_r3 asm("3") = p1; |
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42 | register sysarg_t __ppc32_reg_r4 asm("4") = p2; |
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43 | register sysarg_t __ppc32_reg_r5 asm("5") = p3; |
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44 | register sysarg_t __ppc32_reg_r6 asm("6") = p4; |
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45 | register sysarg_t __ppc32_reg_r7 asm("7") = id; |
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46 | |||
47 | asm volatile ( |
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48 | "sc\n" |
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49 | : "=r" (__ppc32_reg_r3) |
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50 | : "r" (__ppc32_reg_r3), |
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51 | "r" (__ppc32_reg_r4), |
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52 | "r" (__ppc32_reg_r5), |
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53 | "r" (__ppc32_reg_r6), |
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54 | "r" (__ppc32_reg_r7) |
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55 | ); |
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56 | |||
57 | return __ppc32_reg_r3; |
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58 | } |
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1656 | cejka | 59 | |
60 | /** @} |
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61 | */ |
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62 |