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boot.c revision 1.4.44.1
      1 /*	$NetBSD: boot.c,v 1.4.44.1 2008/06/02 13:22:27 mjf Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Steve C. Woodford.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (c) 1982, 1986, 1990, 1993
     34  *	The Regents of the University of California.  All rights reserved.
     35  *
     36  * Redistribution and use in source and binary forms, with or without
     37  * modification, are permitted provided that the following conditions
     38  * are met:
     39  * 1. Redistributions of source code must retain the above copyright
     40  *    notice, this list of conditions and the following disclaimer.
     41  * 2. Redistributions in binary form must reproduce the above copyright
     42  *    notice, this list of conditions and the following disclaimer in the
     43  *    documentation and/or other materials provided with the distribution.
     44  * 3. Neither the name of the University nor the names of its contributors
     45  *    may be used to endorse or promote products derived from this software
     46  *    without specific prior written permission.
     47  *
     48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     58  * SUCH DAMAGE.
     59  *
     60  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
     61  */
     62 
     63 #include <sys/param.h>
     64 #include <sys/reboot.h>
     65 #include <sys/termios.h>
     66 #include <sys/ttydefaults.h>
     67 #include <machine/bootinfo.h>
     68 
     69 #include <lib/libkern/libkern.h>
     70 
     71 #include "stand.h"
     72 #include "libsa.h"
     73 #include "bugsyscalls.h"
     74 
     75 struct bug_bootinfo	bug_bootinfo;
     76 struct mvmeppc_bootinfo	bootinfo;
     77 
     78 static u_int32_t ioctrl2cflag(u_int32_t);
     79 
     80 void
     81 main(void)
     82 {
     83 	struct bug_buginfo *bbi;
     84 	struct bug_boardid *bid;
     85 	struct bug_ioinquiry *ioi, ioinq;
     86 	struct bug_ioctrl ioctrl;
     87 	char consname[CONSOLEDEV_LEN];
     88 	char line[80];
     89 	const char *file;
     90 	int ask = 0, howto, part;
     91 
     92 	if (bug_bootinfo.bbi_bugmode == 0)
     93 		panic("mvmeppc-boot: PReP boot mode not supported!");
     94 
     95 	bbi = &bug_bootinfo.bbi_bi.bbi;
     96 
     97 	if ((bid = bugsys_brdid()) == NULL)
     98 		panic("mvmeppc-boot: bugsys_brdid() failed!");
     99 
    100 	ioinq.ii_boardname = consname;
    101 	ioinq.ii_ioctrl = &ioctrl;
    102 	ioinq.ii_portnum = BUG_IOINQ_PORT_CONSOLE;
    103 	if ((ioi = bugsys_ioinq(&ioinq)) == NULL)
    104 		panic("mvmeppc-boot: bugsys_ioinq() failed!");
    105 
    106 	if (bid->bi_devtype > 9)
    107 		panic("mvmeppc-boot: Bogus boot device type (%d)",
    108 		    bid->bi_devtype);
    109 
    110 	printf(">> MVMEPPC boot on MVME%x\n", bid->bi_bnumber);
    111 
    112 	parse_args(bbi->bbi_argstart, bbi->bbi_argend, &file, &howto, &part);
    113 
    114 	for (;;) {
    115 		if (ask) {
    116 			printf("boot: ");
    117 			gets(line);
    118 			if (strcmp(line, "halt") == 0)
    119 				break;
    120 
    121 			if (line[0]) {
    122 				char *cp = line;
    123 
    124 				while (cp < (line + sizeof(line) - 1) && *cp)
    125 					cp++;
    126 
    127 				bbi->bbi_argstart = line;
    128 				bbi->bbi_argend = cp;
    129 				parse_args(bbi->bbi_argstart, bbi->bbi_argend,
    130 				    &file, &howto, &part);
    131 			}
    132 		}
    133 
    134 		bootinfo.bi_boothowto = howto;
    135 		bootinfo.bi_bootaddr = bbi->bbi_devaddr;
    136 		bootinfo.bi_bootclun = bbi->bbi_clun;
    137 		bootinfo.bi_bootclun = bbi->bbi_dlun;
    138 		strncpy(bootinfo.bi_bootline, bbi->bbi_argstart,
    139 		    MIN(BOOTLINE_LEN, bbi->bbi_argend - bbi->bbi_argstart));
    140 		strncpy(bootinfo.bi_consoledev, consname, CONSOLEDEV_LEN);
    141 		bootinfo.bi_consoleaddr = ioi->ii_devaddr;
    142 		bootinfo.bi_consolechan = ioi->ii_channel;
    143 		bootinfo.bi_consolespeed = ioctrl.ic_baud;
    144 		bootinfo.bi_consolecflag = ioctrl2cflag(ioctrl.ic_ctrlbits);
    145 		bootinfo.bi_modelnumber = bid->bi_bnumber;
    146 
    147 		exec_mvme(file, howto, part);
    148 		printf("boot: %s: %s\n", file, strerror(errno));
    149 		ask = 1;
    150 	}
    151 }
    152 
    153 static u_int32_t
    154 ioctrl2cflag(u_int32_t ctrlbits)
    155 {
    156 	u_int32_t rv;
    157 
    158 	rv = TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB | PARODD);
    159 
    160 	/* Convert parity */
    161 	if (ctrlbits & IOCTRL_PARITY_ODD)
    162 		rv |= PARENB | PARODD;
    163 	else
    164 	if (ctrlbits & IOCTRL_PARITY_EVEN)
    165 		rv |= PARENB;
    166 
    167 	/* Convert character length */
    168 	if (ctrlbits & IOCTRL_BITS_8)
    169 		rv |= CS8;
    170 	else
    171 	if (ctrlbits & IOCTRL_BITS_7)
    172 		rv |= CS7;
    173 	else
    174 	if (ctrlbits & IOCTRL_BITS_6)
    175 		rv |= CS6;
    176 	else
    177 	if (ctrlbits & IOCTRL_BITS_5)
    178 		rv |= CS5;
    179 	else
    180 		panic("ioctrl2cflag: Bad character length: 0x%x", ctrlbits);
    181 
    182 	/* Convert number of stop bits */
    183 	if (ctrlbits & IOCTRL_STOP_2)
    184 		rv |= CSTOPB;
    185 	else
    186 	if ((ctrlbits & IOCTRL_STOP_1) == 0)
    187 		panic("ioctrl2cflag: Bad number of stop bits: 0x%x", ctrlbits);
    188 
    189 	return (rv);
    190 }
    191