bios.S revision 1.1.6.2
1 1.1.6.2 rpaulo /* $NetBSD: bios.S,v 1.1.6.2 2006/09/09 02:40:57 rpaulo Exp $ */ 2 1.1.6.2 rpaulo 3 1.1.6.2 rpaulo /*- 4 1.1.6.2 rpaulo * Copyright (c) 2005 NONAKA Kimihiro 5 1.1.6.2 rpaulo * All rights reserved. 6 1.1.6.2 rpaulo * 7 1.1.6.2 rpaulo * Redistribution and use in source and binary forms, with or without 8 1.1.6.2 rpaulo * modification, are permitted provided that the following conditions 9 1.1.6.2 rpaulo * are met: 10 1.1.6.2 rpaulo * 1. Redistributions of source code must retain the above copyright 11 1.1.6.2 rpaulo * notice, this list of conditions and the following disclaimer. 12 1.1.6.2 rpaulo * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.6.2 rpaulo * notice, this list of conditions and the following disclaimer in the 14 1.1.6.2 rpaulo * documentation and/or other materials provided with the distribution. 15 1.1.6.2 rpaulo * 16 1.1.6.2 rpaulo * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.1.6.2 rpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.6.2 rpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.6.2 rpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.1.6.2 rpaulo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.6.2 rpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.6.2 rpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.6.2 rpaulo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.6.2 rpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.6.2 rpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.6.2 rpaulo * SUCH DAMAGE. 27 1.1.6.2 rpaulo */ 28 1.1.6.2 rpaulo 29 1.1.6.2 rpaulo #include <machine/asm.h> 30 1.1.6.2 rpaulo 31 1.1.6.2 rpaulo /* 32 1.1.6.2 rpaulo * int bioscons_getc(void); 33 1.1.6.2 rpaulo */ 34 1.1.6.2 rpaulo ENTRY(bioscons_getc) 35 1.1.6.2 rpaulo mov #0, r4 36 1.1.6.2 rpaulo mov #1, r0 37 1.1.6.2 rpaulo trapa #0x3f 38 1.1.6.2 rpaulo rts 39 1.1.6.2 rpaulo nop 40 1.1.6.2 rpaulo 41 1.1.6.2 rpaulo /* 42 1.1.6.2 rpaulo * void bioscons_putc(int c); 43 1.1.6.2 rpaulo */ 44 1.1.6.2 rpaulo ENTRY(bioscons_putc) 45 1.1.6.2 rpaulo mov #31, r0 46 1.1.6.2 rpaulo trapa #0x3f 47 1.1.6.2 rpaulo rts 48 1.1.6.2 rpaulo nop 49 1.1.6.2 rpaulo 50 1.1.6.2 rpaulo /* 51 1.1.6.2 rpaulo * int biosdisk_read(int dev, uint32_t blkaddr, void *buf, size_t nblks); 52 1.1.6.2 rpaulo */ 53 1.1.6.2 rpaulo ENTRY(biosdisk_read) 54 1.1.6.2 rpaulo mov #2, r0 55 1.1.6.2 rpaulo trapa #0x3f 56 1.1.6.2 rpaulo rts 57 1.1.6.2 rpaulo nop 58 1.1.6.2 rpaulo 59 1.1.6.2 rpaulo /* 60 1.1.6.2 rpaulo * void cache_enable(void); 61 1.1.6.2 rpaulo * void cache_flush(void); 62 1.1.6.2 rpaulo */ 63 1.1.6.2 rpaulo ENTRY(cache_enable) 64 1.1.6.2 rpaulo ENTRY(cache_flush) 65 1.1.6.2 rpaulo mov #0, r4 66 1.1.6.2 rpaulo mov #6, r0 67 1.1.6.2 rpaulo trapa #0x3f 68 1.1.6.2 rpaulo rts 69 1.1.6.2 rpaulo nop 70 1.1.6.2 rpaulo 71 1.1.6.2 rpaulo /* 72 1.1.6.2 rpaulo * void cache_disable(void); 73 1.1.6.2 rpaulo */ 74 1.1.6.2 rpaulo ENTRY(cache_disable) 75 1.1.6.2 rpaulo mov #1, r4 76 1.1.6.2 rpaulo mov #6, r0 77 1.1.6.2 rpaulo trapa #0x3f 78 1.1.6.2 rpaulo rts 79 1.1.6.2 rpaulo nop 80
Indexes created Sun Oct 26 18:09:56 GMT 2025