bios.S revision 1.1.12.2
1 1.1.12.2 yamt /* $NetBSD: bios.S,v 1.1.12.2 2006/12/30 20:46:24 yamt Exp $ */ 2 1.1.12.2 yamt 3 1.1.12.2 yamt /*- 4 1.1.12.2 yamt * Copyright (c) 2005 NONAKA Kimihiro 5 1.1.12.2 yamt * All rights reserved. 6 1.1.12.2 yamt * 7 1.1.12.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.1.12.2 yamt * modification, are permitted provided that the following conditions 9 1.1.12.2 yamt * are met: 10 1.1.12.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.1.12.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.1.12.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.12.2 yamt * notice, this list of conditions and the following disclaimer in the 14 1.1.12.2 yamt * documentation and/or other materials provided with the distribution. 15 1.1.12.2 yamt * 16 1.1.12.2 yamt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.1.12.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.12.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.12.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.1.12.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.12.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.12.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.12.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.12.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.12.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.12.2 yamt * SUCH DAMAGE. 27 1.1.12.2 yamt */ 28 1.1.12.2 yamt 29 1.1.12.2 yamt #include <machine/asm.h> 30 1.1.12.2 yamt 31 1.1.12.2 yamt /* 32 1.1.12.2 yamt * int bioscons_getc(void); 33 1.1.12.2 yamt */ 34 1.1.12.2 yamt ENTRY(bioscons_getc) 35 1.1.12.2 yamt mov #0, r4 36 1.1.12.2 yamt mov #1, r0 37 1.1.12.2 yamt trapa #0x3f 38 1.1.12.2 yamt rts 39 1.1.12.2 yamt nop 40 1.1.12.2 yamt 41 1.1.12.2 yamt /* 42 1.1.12.2 yamt * void bioscons_putc(int c); 43 1.1.12.2 yamt */ 44 1.1.12.2 yamt ENTRY(bioscons_putc) 45 1.1.12.2 yamt mov #31, r0 46 1.1.12.2 yamt trapa #0x3f 47 1.1.12.2 yamt rts 48 1.1.12.2 yamt nop 49 1.1.12.2 yamt 50 1.1.12.2 yamt /* 51 1.1.12.2 yamt * int biosdisk_read(int dev, uint32_t blkaddr, void *buf, size_t nblks); 52 1.1.12.2 yamt */ 53 1.1.12.2 yamt ENTRY(biosdisk_read) 54 1.1.12.2 yamt mov #2, r0 55 1.1.12.2 yamt trapa #0x3f 56 1.1.12.2 yamt rts 57 1.1.12.2 yamt nop 58 1.1.12.2 yamt 59 1.1.12.2 yamt /* 60 1.1.12.2 yamt * void cache_enable(void); 61 1.1.12.2 yamt * void cache_flush(void); 62 1.1.12.2 yamt */ 63 1.1.12.2 yamt ENTRY(cache_enable) 64 1.1.12.2 yamt ENTRY(cache_flush) 65 1.1.12.2 yamt mov #0, r4 66 1.1.12.2 yamt mov #6, r0 67 1.1.12.2 yamt trapa #0x3f 68 1.1.12.2 yamt rts 69 1.1.12.2 yamt nop 70 1.1.12.2 yamt 71 1.1.12.2 yamt /* 72 1.1.12.2 yamt * void cache_disable(void); 73 1.1.12.2 yamt */ 74 1.1.12.2 yamt ENTRY(cache_disable) 75 1.1.12.2 yamt mov #1, r4 76 1.1.12.2 yamt mov #6, r0 77 1.1.12.2 yamt trapa #0x3f 78 1.1.12.2 yamt rts 79 1.1.12.2 yamt nop 80
Indexes created Mon Oct 27 08:10:08 GMT 2025