]>
Commit | Line | Data |
---|---|---|
03261851 RK |
1 | /* |
2 | * idtmon.S -- lo-level entry points into IDT monitor. | |
3 | * | |
4 | * Copyright (c) 1996 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 | #ifdef __mips16 | |
18 | /* This file contains 32 bit assembly code. */ | |
19 | .set nomips16 | |
20 | #endif | |
21 | ||
22 | #include "regs.S" | |
23 | ||
24 | .text | |
25 | .align 2 | |
26 | ||
27 | /* Provide named functions for entry into the IDT monitor: */ | |
28 | #define INDIRECT(name,index) \ | |
29 | .globl name; \ | |
30 | .ent name; \ | |
31 | name: la $2,+(0xbfc00000+((index)*8)); \ | |
32 | j $2; \ | |
33 | .end name | |
34 | ||
35 | /* The following magic numbers are for the slots into the IDT monitor: */ | |
36 | INDIRECT(open,6) | |
37 | INDIRECT(read,7) | |
38 | INDIRECT(write,8) | |
39 | INDIRECT(close,10) | |
40 | INDIRECT(inbyte,11) | |
41 | INDIRECT(outbyte,12) | |
2dc32f6a SE |
42 | INDIRECT(unlink,13) |
43 | INDIRECT(lseek,14) | |
44 | INDIRECT(stat,15) | |
03261851 RK |
45 | INDIRECT(mon_printf,16) |
46 | INDIRECT(_flush_cache,28) | |
47 | INDIRECT(get_mem_info,55) /* expects pointer to three word vector */ | |
48 | ||
49 | /* EOF idtmon.S */ |