Last change
on this file since 547 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
1.7 KB
|
Line | |
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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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