| /* |
| * idtmon.S -- lo-level entry points into IDT monitor. |
| * |
| * Copyright (c) 1996 Cygnus Support |
| * |
| * The authors hereby grant permission to use, copy, modify, distribute, |
| * and license this software and its documentation for any purpose, provided |
| * that existing copyright notices are retained in all copies and that this |
| * notice is included verbatim in any distributions. No written agreement, |
| * license, or royalty fee is required for any of the authorized uses. |
| * Modifications to this software may be copyrighted by their authors |
| * and need not follow the licensing terms described here, provided that |
| * the new terms are clearly indicated on the first page of each file where |
| * they apply. |
| */ |
| |
| #ifdef __mips16 |
| /* This file contains 32 bit assembly code. */ |
| .set nomips16 |
| #endif |
| |
| #include "regs.S" |
| |
| .text |
| .align 2 |
| |
| /* Provide named functions for entry into the IDT monitor: */ |
| #define INDIRECT(name,index) \ |
| .globl name; \ |
| .ent name; \ |
| name: la $2,+(0xbfc00000+((index)*8)); \ |
| j $2; \ |
| .end name |
| |
| /* The following magic numbers are for the slots into the IDT monitor: */ |
| INDIRECT(open,6) |
| INDIRECT(read,7) |
| INDIRECT(write,8) |
| INDIRECT(close,10) |
| INDIRECT(inbyte,11) |
| INDIRECT(outbyte,12) |
| INDIRECT(unlink,13) |
| INDIRECT(lseek,14) |
| INDIRECT(stat,15) |
| INDIRECT(mon_printf,16) |
| INDIRECT(_flush_cache,28) |
| INDIRECT(get_mem_info,55) /* expects pointer to three word vector */ |
| |
| /* EOF idtmon.S */ |