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Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.7 KB
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| 1 | /* |
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| 2 | * simulator.S -- PowerPC simulator system calls. |
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| 3 | * |
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| 4 | * Copyright (c) 1995, 2000, 2001 Cygnus Support |
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| 5 | * |
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| 6 | * The authors hereby grant permission to use, copy, modify, distribute, |
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| 7 | * and license this software and its documentation for any purpose, provided |
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| 8 | * that existing copyright notices are retained in all copies and that this |
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| 9 | * notice is included verbatim in any distributions. No written agreement, |
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| 10 | * license, or royalty fee is required for any of the authorized uses. |
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| 11 | * Modifications to this software may be copyrighted by their authors |
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| 12 | * and need not follow the licensing terms described here, provided that |
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| 13 | * the new terms are clearly indicated on the first page of each file where |
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| 14 | * they apply. |
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| 15 | */ |
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| 16 | |
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| 17 | #include "ppc-asm.h" |
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| 18 | |
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| 19 | FUNC_START(_exit) |
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| 20 | li r0, 1 |
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| 21 | sc |
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| 22 | |
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| 23 | /* |
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| 24 | * Insure that the debugger tells the client that the PC is in _exit, |
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| 25 | * not whatever function happens to follow this function. |
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| 26 | */ |
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| 27 | |
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| 28 | 0: trap |
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| 29 | b 0b /* we never should return, but... */ |
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| 30 | |
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| 31 | FUNC_END(_exit) |
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| 32 | |
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| 33 | FUNC_START(read) |
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| 34 | li r0,3 |
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| 35 | sc |
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| 36 | bnslr+ |
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| 37 | b FUNC_NAME(_cerror) |
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| 38 | FUNC_END(read) |
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| 39 | |
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| 40 | FUNC_START(write) |
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| 41 | li r0,4 |
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| 42 | sc |
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| 43 | bnslr+ |
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| 44 | b FUNC_NAME(_cerror) |
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| 45 | FUNC_END(write) |
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| 46 | |
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| 47 | FUNC_START(open) |
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| 48 | li r0,5 |
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| 49 | sc |
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| 50 | bnslr+ |
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| 51 | b FUNC_NAME(_cerror) |
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| 52 | FUNC_END(open) |
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| 53 | |
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| 54 | FUNC_START(close) |
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| 55 | li r0,6 |
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| 56 | sc |
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| 57 | bnslr+ |
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| 58 | b FUNC_NAME(_cerror) |
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| 59 | FUNC_END(close) |
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| 60 | |
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| 61 | FUNC_START(brk) |
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| 62 | li r0,17 |
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| 63 | sc |
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| 64 | bnslr+ |
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| 65 | b FUNC_NAME(_cerror) |
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| 66 | FUNC_END(brk) |
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| 67 | |
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| 68 | FUNC_START(access) |
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| 69 | li r0,33 |
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| 70 | sc |
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| 71 | bnslr+ |
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| 72 | b FUNC_NAME(_cerror) |
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| 73 | FUNC_END(access) |
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| 74 | |
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| 75 | FUNC_START(dup) |
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| 76 | li r0,41 |
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| 77 | sc |
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| 78 | bnslr+ |
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| 79 | b FUNC_NAME(_cerror) |
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| 80 | FUNC_END(dup) |
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| 81 | |
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| 82 | FUNC_START(gettimeofday) |
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| 83 | li r0,116 |
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| 84 | sc |
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| 85 | bns+ 0f |
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| 86 | b FUNC_NAME(_cerror) |
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| 87 | 0: blr |
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| 88 | FUNC_END(gettimeofday) |
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| 89 | |
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| 90 | FUNC_START(lseek) |
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| 91 | li r0,199 |
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| 92 | sc |
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| 93 | bnslr+ |
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| 94 | b FUNC_NAME(_cerror) |
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| 95 | FUNC_END(lseek) |
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