1/* $NetBSD: bios.S,v 1.1 2006/09/01 21:26:18 uwe Exp $ */ 2 3/*- 4 * Copyright (c) 2005 NONAKA Kimihiro 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <machine/asm.h> 30 31/* 32 * int bioscons_getc(void); 33 */ 34ENTRY(bioscons_getc) 35 mov #0, r4 36 mov #1, r0 37 trapa #0x3f 38 rts 39 nop 40 41/* 42 * void bioscons_putc(int c); 43 */ 44ENTRY(bioscons_putc) 45 mov #31, r0 46 trapa #0x3f 47 rts 48 nop 49 50/* 51 * int biosdisk_read(int dev, uint32_t blkaddr, void *buf, size_t nblks); 52 */ 53ENTRY(biosdisk_read) 54 mov #2, r0 55 trapa #0x3f 56 rts 57 nop 58 59/* 60 * void cache_enable(void); 61 * void cache_flush(void); 62 */ 63ENTRY(cache_enable) 64ENTRY(cache_flush) 65 mov #0, r4 66 mov #6, r0 67 trapa #0x3f 68 rts 69 nop 70 71/* 72 * void cache_disable(void); 73 */ 74ENTRY(cache_disable) 75 mov #1, r4 76 mov #6, r0 77 trapa #0x3f 78 rts 79 nop 80