fdsub.S revision 1.2
1 1.2 isaki /* $NetBSD: fdsub.S,v 1.2 2024/01/07 07:58:34 isaki Exp $ */ 2 1.1 minoura 3 1.1 minoura /* 4 1.1 minoura * Copyright (c) 2001 MINOURA Makoto. 5 1.1 minoura * All rights reserved. 6 1.1 minoura * 7 1.1 minoura * Redistribution and use in source and binary forms, with or without 8 1.1 minoura * modification, are permitted provided that the following conditions 9 1.1 minoura * are met: 10 1.1 minoura * 1. Redistributions of source code must retain the above copyright 11 1.1 minoura * notice, this list of conditions and the following disclaimer. 12 1.1 minoura * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 minoura * notice, this list of conditions and the following disclaimer in the 14 1.1 minoura * documentation and/or other materials provided with the distribution. 15 1.1 minoura * 16 1.1 minoura * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1 minoura * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1 minoura * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1 minoura * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1 minoura * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 1.1 minoura * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 1.1 minoura * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 1.1 minoura * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 1.1 minoura * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 1.1 minoura * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 1.1 minoura */ 27 1.1 minoura 28 1.1 minoura #include <machine/asm.h> 29 1.1 minoura #include "iocscall.h" 30 1.1 minoura 31 1.1 minoura /* 32 1.1 minoura * int fd_check_fmt(drive, head, minmax) 33 1.1 minoura * int drive; (0-3) 34 1.1 minoura * int head; (0-1) 35 1.1 minoura * struct fdfmt *minmax; (results are stored) 36 1.2 isaki * return value: 0 on success, or negative 37 1.1 minoura */ 38 1.1 minoura 39 1.1 minoura .text 40 1.1 minoura ENTRY_NOPROFILE(fd_check_format) 41 1.1 minoura || movl %sp@(4),%d1 42 1.1 minoura || andil #3,%d1 43 1.1 minoura || orib #0x90,%d1 44 1.1 minoura || lslw #8,%d1 45 1.1 minoura || movql #0,%d2 46 1.1 minoura || IOCS(__B_DRVCHK) 47 1.1 minoura || btst.b #1,%d0 48 1.1 minoura || beq fail 49 1.1 minoura || IOCS(__B_RECALI) 50 1.1 minoura 51 1.1 minoura moveml %sp@(4),%d0-%d1 52 1.1 minoura andil #1,%d1 53 1.1 minoura andil #3,%d0 54 1.1 minoura lslw #2,%d1 55 1.1 minoura orw %d1,%d0 56 1.1 minoura jbsr check_fd_format 57 1.1 minoura 58 1.1 minoura tstl %d1 59 1.1 minoura beq fail1 60 1.1 minoura 61 1.1 minoura moval %sp@(12),%a0 62 1.1 minoura moveml %d0-%d1,%a0@ 63 1.1 minoura 64 1.1 minoura movl #0,%d0 65 1.1 minoura rts 66 1.1 minoura 67 1.1 minoura ||fail: 68 1.1 minoura || movl #-6,%d0 69 1.1 minoura || rts 70 1.1 minoura fail1: 71 1.1 minoura movl #-5,%d0 72 1.1 minoura 73 1.1 minoura #define BOOT_ERROR(a) movl #0,%d1; \ 74 1.1 minoura rts 75 1.1 minoura 76 1.1 minoura #include "chkfmt.s" 77
Indexes created Fri Oct 03 02:09:57 GMT 2025