1/* $NetBSD: fdsub.S,v 1.1 2001/09/27 10:03:28 minoura Exp $ */ 2 3/* 4 * Copyright (c) 2001 MINOURA Makoto. 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <machine/asm.h> 29#include "iocscall.h" 30 31/* 32 * int fd_check_fmt(drive, head, minmax) 33 * int drive; (0-3) 34 * int head; (0-1) 35 * struct fdfmt *minmax; (results are stored) 36 * return value: 0 on success, or negative 37 */ 38 39 .text 40ENTRY_NOPROFILE(fd_check_format) 41|| movl %sp@(4),%d1 42|| andil #3,%d1 43|| orib #0x90,%d1 44|| lslw #8,%d1 45|| movql #0,%d2 46|| IOCS(__B_DRVCHK) 47|| btst.b #1,%d0 48|| beq fail 49|| IOCS(__B_RECALI) 50 51 moveml %sp@(4),%d0-%d1 52 andil #1,%d1 53 andil #3,%d0 54 lslw #2,%d1 55 orw %d1,%d0 56 jbsr check_fd_format 57 58 tstl %d1 59 beq fail1 60 61 moval %sp@(12),%a0 62 moveml %d0-%d1,%a0@ 63 64 movl #0,%d0 65 rts 66 67||fail: 68|| movl #-6,%d0 69|| rts 70fail1: 71 movl #-5,%d0 72 73#define BOOT_ERROR(a) movl #0,%d1; \ 74 rts 75 76#include "chkfmt.s" 77