source: trunk/libs/newlib/src/libgloss/mips/idtmon.S @ 546

Last change on this file since 546 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.4 KB
Line 
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;                           \
31name:   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: */
36INDIRECT(open,6)
37INDIRECT(read,7)
38INDIRECT(write,8)
39INDIRECT(close,10)
40INDIRECT(inbyte,11)
41INDIRECT(outbyte,12)
42INDIRECT(unlink,13)
43INDIRECT(lseek,14)
44INDIRECT(stat,15)
45INDIRECT(mon_printf,16)
46INDIRECT(_flush_cache,28)
47INDIRECT(get_mem_info,55)       /* expects pointer to three word vector */
48
49/* EOF idtmon.S */
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