50 lines
1.4 KiB
ArmAsm
50 lines
1.4 KiB
ArmAsm
/*
|
|
* 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 */
|