Last change
on this file since 548 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
|
Rev | Line | |
---|
[444] | 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) |
---|
| 42 | INDIRECT(unlink,13) |
---|
| 43 | INDIRECT(lseek,14) |
---|
| 44 | INDIRECT(stat,15) |
---|
| 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 */ |
---|
Note: See
TracBrowser
for help on using the repository browser.