|
Last change
on this file since 684 was
444,
checked in by satin@…, 7 years ago
|
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
|
File size:
1.7 KB
|
| Line | |
|---|
| 1 | /* |
|---|
| 2 | * simulator.S -- PowerPC simulator system calls. |
|---|
| 3 | * |
|---|
| 4 | * Copyright (c) 1995, 2000, 2001 Cygnus Support |
|---|
| 5 | * |
|---|
| 6 | * The authors hereby grant permission to use, copy, modify, distribute, |
|---|
| 7 | * and license this software and its documentation for any purpose, provided |
|---|
| 8 | * that existing copyright notices are retained in all copies and that this |
|---|
| 9 | * notice is included verbatim in any distributions. No written agreement, |
|---|
| 10 | * license, or royalty fee is required for any of the authorized uses. |
|---|
| 11 | * Modifications to this software may be copyrighted by their authors |
|---|
| 12 | * and need not follow the licensing terms described here, provided that |
|---|
| 13 | * the new terms are clearly indicated on the first page of each file where |
|---|
| 14 | * they apply. |
|---|
| 15 | */ |
|---|
| 16 | |
|---|
| 17 | #include "ppc-asm.h" |
|---|
| 18 | |
|---|
| 19 | FUNC_START(_exit) |
|---|
| 20 | li r0, 1 |
|---|
| 21 | sc |
|---|
| 22 | |
|---|
| 23 | /* |
|---|
| 24 | * Insure that the debugger tells the client that the PC is in _exit, |
|---|
| 25 | * not whatever function happens to follow this function. |
|---|
| 26 | */ |
|---|
| 27 | |
|---|
| 28 | 0: trap |
|---|
| 29 | b 0b /* we never should return, but... */ |
|---|
| 30 | |
|---|
| 31 | FUNC_END(_exit) |
|---|
| 32 | |
|---|
| 33 | FUNC_START(read) |
|---|
| 34 | li r0,3 |
|---|
| 35 | sc |
|---|
| 36 | bnslr+ |
|---|
| 37 | b FUNC_NAME(_cerror) |
|---|
| 38 | FUNC_END(read) |
|---|
| 39 | |
|---|
| 40 | FUNC_START(write) |
|---|
| 41 | li r0,4 |
|---|
| 42 | sc |
|---|
| 43 | bnslr+ |
|---|
| 44 | b FUNC_NAME(_cerror) |
|---|
| 45 | FUNC_END(write) |
|---|
| 46 | |
|---|
| 47 | FUNC_START(open) |
|---|
| 48 | li r0,5 |
|---|
| 49 | sc |
|---|
| 50 | bnslr+ |
|---|
| 51 | b FUNC_NAME(_cerror) |
|---|
| 52 | FUNC_END(open) |
|---|
| 53 | |
|---|
| 54 | FUNC_START(close) |
|---|
| 55 | li r0,6 |
|---|
| 56 | sc |
|---|
| 57 | bnslr+ |
|---|
| 58 | b FUNC_NAME(_cerror) |
|---|
| 59 | FUNC_END(close) |
|---|
| 60 | |
|---|
| 61 | FUNC_START(brk) |
|---|
| 62 | li r0,17 |
|---|
| 63 | sc |
|---|
| 64 | bnslr+ |
|---|
| 65 | b FUNC_NAME(_cerror) |
|---|
| 66 | FUNC_END(brk) |
|---|
| 67 | |
|---|
| 68 | FUNC_START(access) |
|---|
| 69 | li r0,33 |
|---|
| 70 | sc |
|---|
| 71 | bnslr+ |
|---|
| 72 | b FUNC_NAME(_cerror) |
|---|
| 73 | FUNC_END(access) |
|---|
| 74 | |
|---|
| 75 | FUNC_START(dup) |
|---|
| 76 | li r0,41 |
|---|
| 77 | sc |
|---|
| 78 | bnslr+ |
|---|
| 79 | b FUNC_NAME(_cerror) |
|---|
| 80 | FUNC_END(dup) |
|---|
| 81 | |
|---|
| 82 | FUNC_START(gettimeofday) |
|---|
| 83 | li r0,116 |
|---|
| 84 | sc |
|---|
| 85 | bns+ 0f |
|---|
| 86 | b FUNC_NAME(_cerror) |
|---|
| 87 | 0: blr |
|---|
| 88 | FUNC_END(gettimeofday) |
|---|
| 89 | |
|---|
| 90 | FUNC_START(lseek) |
|---|
| 91 | li r0,199 |
|---|
| 92 | sc |
|---|
| 93 | bnslr+ |
|---|
| 94 | b FUNC_NAME(_cerror) |
|---|
| 95 | FUNC_END(lseek) |
|---|
Note: See
TracBrowser
for help on using the repository browser.
