|
Last change
on this file since 612 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; \ |
|---|
| 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.
