Home | History | Annotate | Line # | Download | only in common
prom.S revision 1.1 
      1 /*	$NetBSD: prom.S,v 1.1 2000/09/18 11:40:48 wdk Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Wayne Knowles
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <mips/asm.h>
     40 #include <mips/cpuregs.h>
     41 #include <machine/prom.h>
     42 
     43 
     44 /* XXX:	address has only been tested on Version 5.4 firmware */
     45 	.global	saiob
     46 	.equ	saiob, 0x80004cd8
     47 
     48 	.set noreorder
     49 LEAF(prom_restart)
     50 	li	v0, MIPS_PROM_RESTART
     51 	j	v0
     52 	move	a0, zero
     53 END(prom_restart)
     54 
     55 LEAF(prom_open)
     56 	li	v0, MIPS_PROM_OPEN
     57 	j	v0
     58 	nop
     59 END(prom_open)
     60 
     61 #ifndef LIBSA_NO_DEV_CLOSE
     62 LEAF(prom_close)
     63 	li	v0, MIPS_PROM_CLOSE
     64 	j	v0
     65 	nop
     66 END(prom_close)
     67 #endif
     68 
     69 LEAF(prom_read)
     70 	li	v0, MIPS_PROM_READ
     71 	j	v0
     72 	nop
     73 END(prom_read)
     74 
     75 #ifndef LIBSA_NO_FS_WRITE
     76 LEAF(prom_write)
     77 	li	v0, MIPS_PROM_WRITE
     78 	j	v0
     79 	nop
     80 END(prom_write)
     81 #endif
     82 
     83 LEAF(printf)
     84 	li	v0, MIPS_PROM_PRINTF
     85 	j	v0
     86 	nop
     87 END(printf)
     88 
     89 #ifndef NO_GETCHAR
     90 LEAF(getchar)
     91 	li	v0, MIPS_PROM_GETCHAR
     92 	j	v0
     93 	nop
     94 END(getchar)
     95 
     96 LEAF(putchar)
     97 	li	v0, MIPS_PROM_PUTCHAR
     98 	j	v0
     99 	nop
    100 END(putchar)
    101 #endif
    102