|
Last change
on this file since 479 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 -- m68k simulator system calls. |
|---|
| 3 | * |
|---|
| 4 | * Copyright (c) 1995, 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 "asm.h" |
|---|
| 18 | |
|---|
| 19 | #define SYSCALL(x) .word 0x4afc, x |
|---|
| 20 | |
|---|
| 21 | #define FUNC_START(x) .globl x; x: |
|---|
| 22 | #define FUNC_END(x) |
|---|
| 23 | #define FUNC_NAME(x) SYM(x) |
|---|
| 24 | |
|---|
| 25 | FUNC_START(_exit) |
|---|
| 26 | SYSCALL(1) |
|---|
| 27 | |
|---|
| 28 | /* |
|---|
| 29 | * Insure that the debugger tells the client that the PC is in _exit, |
|---|
| 30 | * not whatever function happens to follow this function. |
|---|
| 31 | */ |
|---|
| 32 | |
|---|
| 33 | 0: nop |
|---|
| 34 | jmp 0b /* we never should return, but... */ |
|---|
| 35 | |
|---|
| 36 | FUNC_END(_exit) |
|---|
| 37 | |
|---|
| 38 | FUNC_START(read) |
|---|
| 39 | SYSCALL(3) |
|---|
| 40 | bcs FUNC_NAME(_cerror) |
|---|
| 41 | rts |
|---|
| 42 | FUNC_END(read) |
|---|
| 43 | |
|---|
| 44 | FUNC_START(write) |
|---|
| 45 | SYSCALL(4) |
|---|
| 46 | bcs FUNC_NAME(_cerror) |
|---|
| 47 | rts |
|---|
| 48 | FUNC_END(write) |
|---|
| 49 | |
|---|
| 50 | FUNC_START(open) |
|---|
| 51 | SYSCALL(5) |
|---|
| 52 | bcs FUNC_NAME(_cerror) |
|---|
| 53 | rts |
|---|
| 54 | FUNC_END(open) |
|---|
| 55 | |
|---|
| 56 | FUNC_START(close) |
|---|
| 57 | SYSCALL(6) |
|---|
| 58 | bcs FUNC_NAME(_cerror) |
|---|
| 59 | rts |
|---|
| 60 | FUNC_END(close) |
|---|
| 61 | |
|---|
| 62 | FUNC_START(brk) |
|---|
| 63 | SYSCALL(17) |
|---|
| 64 | bcs FUNC_NAME(_cerror) |
|---|
| 65 | rts |
|---|
| 66 | FUNC_END(brk) |
|---|
| 67 | |
|---|
| 68 | FUNC_START(lseek) |
|---|
| 69 | SYSCALL(199) |
|---|
| 70 | bcs FUNC_NAME(_cerror) |
|---|
| 71 | rts |
|---|
| 72 | FUNC_END(lseek) |
|---|
| 73 | |
|---|
| 74 | FUNC_START(fstat) |
|---|
| 75 | SYSCALL(28) |
|---|
| 76 | bcs FUNC_NAME(_cerror) |
|---|
| 77 | rts |
|---|
| 78 | FUNC_END(lseek) |
|---|
| 79 | |
|---|
| 80 | FUNC_START(isatty) |
|---|
| 81 | SYSCALL(29) |
|---|
| 82 | bcs FUNC_NAME(_cerror) |
|---|
| 83 | rts |
|---|
| 84 | FUNC_END(isatty) |
|---|
Note: See
TracBrowser
for help on using the repository browser.
