xref: /netbsd-src/sys/arch/mvmeppc/stand/boot/boot.c (revision 27527e67bbdf8d9ec84fd58803048ed6d181ece2)
1 /*	$NetBSD: boot.c,v 1.3 2005/12/11 12:18:20 christos 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Copyright (c) 1982, 1986, 1990, 1993
41  *	The Regents of the University of California.  All rights reserved.
42  *
43  * Redistribution and use in source and binary forms, with or without
44  * modification, are permitted provided that the following conditions
45  * are met:
46  * 1. Redistributions of source code must retain the above copyright
47  *    notice, this list of conditions and the following disclaimer.
48  * 2. Redistributions in binary form must reproduce the above copyright
49  *    notice, this list of conditions and the following disclaimer in the
50  *    documentation and/or other materials provided with the distribution.
51  * 3. Neither the name of the University nor the names of its contributors
52  *    may be used to endorse or promote products derived from this software
53  *    without specific prior written permission.
54  *
55  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
56  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
59  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65  * SUCH DAMAGE.
66  *
67  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
68  */
69 
70 #include <sys/param.h>
71 #include <sys/reboot.h>
72 #include <sys/reboot.h>
73 #include <sys/termios.h>
74 #include <sys/ttydefaults.h>
75 #include <machine/bootinfo.h>
76 
77 #include <lib/libkern/libkern.h>
78 
79 #include "stand.h"
80 #include "libsa.h"
81 #include "bugsyscalls.h"
82 
83 struct bug_bootinfo	bug_bootinfo;
84 struct mvmeppc_bootinfo	bootinfo;
85 
86 static u_int32_t ioctrl2cflag(u_int32_t);
87 
88 void
89 main(void)
90 {
91 	struct bug_buginfo *bbi;
92 	struct bug_boardid *bid;
93 	struct bug_ioinquiry *ioi, ioinq;
94 	struct bug_ioctrl ioctrl;
95 	char consname[CONSOLEDEV_LEN];
96 	char line[80];
97 	const char *file;
98 	int ask = 0, howto, part;
99 
100 	if (bug_bootinfo.bbi_bugmode == 0)
101 		panic("mvmeppc-boot: PReP boot mode not supported!");
102 
103 	bbi = &bug_bootinfo.bbi_bi.bbi;
104 
105 	if ((bid = bugsys_brdid()) == NULL)
106 		panic("mvmeppc-boot: bugsys_brdid() failed!");
107 
108 	ioinq.ii_boardname = consname;
109 	ioinq.ii_ioctrl = &ioctrl;
110 	ioinq.ii_portnum = BUG_IOINQ_PORT_CONSOLE;
111 	if ((ioi = bugsys_ioinq(&ioinq)) == NULL)
112 		panic("mvmeppc-boot: bugsys_ioinq() failed!");
113 
114 	if (bid->bi_devtype > 9)
115 		panic("mvmeppc-boot: Bogus boot device type (%d)",
116 		    bid->bi_devtype);
117 
118 	printf(">> MVMEPPC boot on MVME%x\n", bid->bi_bnumber);
119 
120 	parse_args(bbi->bbi_argstart, bbi->bbi_argend, &file, &howto, &part);
121 
122 	for (;;) {
123 		if (ask) {
124 			printf("boot: ");
125 			gets(line);
126 			if (strcmp(line, "halt") == 0)
127 				break;
128 
129 			if (line[0]) {
130 				char *cp = line;
131 
132 				while (cp < (line + sizeof(line) - 1) && *cp)
133 					cp++;
134 
135 				bbi->bbi_argstart = line;
136 				bbi->bbi_argend = cp;
137 				parse_args(bbi->bbi_argstart, bbi->bbi_argend,
138 				    &file, &howto, &part);
139 			}
140 		}
141 
142 		bootinfo.bi_boothowto = howto;
143 		bootinfo.bi_bootaddr = bbi->bbi_devaddr;
144 		bootinfo.bi_bootclun = bbi->bbi_clun;
145 		bootinfo.bi_bootclun = bbi->bbi_dlun;
146 		strncpy(bootinfo.bi_bootline, bbi->bbi_argstart,
147 		    MIN(BOOTLINE_LEN, bbi->bbi_argend - bbi->bbi_argstart));
148 		strncpy(bootinfo.bi_consoledev, consname, CONSOLEDEV_LEN);
149 		bootinfo.bi_consoleaddr = ioi->ii_devaddr;
150 		bootinfo.bi_consolechan = ioi->ii_channel;
151 		bootinfo.bi_consolespeed = ioctrl.ic_baud;
152 		bootinfo.bi_consolecflag = ioctrl2cflag(ioctrl.ic_ctrlbits);
153 		bootinfo.bi_modelnumber = bid->bi_bnumber;
154 
155 		exec_mvme(file, howto, part);
156 		printf("boot: %s: %s\n", file, strerror(errno));
157 		ask = 1;
158 	}
159 }
160 
161 static u_int32_t
162 ioctrl2cflag(u_int32_t ctrlbits)
163 {
164 	u_int32_t rv;
165 
166 	rv = TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB | PARODD);
167 
168 	/* Convert parity */
169 	if (ctrlbits & IOCTRL_PARITY_ODD)
170 		rv |= PARENB | PARODD;
171 	else
172 	if (ctrlbits & IOCTRL_PARITY_EVEN)
173 		rv |= PARENB;
174 
175 	/* Convert character length */
176 	if (ctrlbits & IOCTRL_BITS_8)
177 		rv |= CS8;
178 	else
179 	if (ctrlbits & IOCTRL_BITS_7)
180 		rv |= CS7;
181 	else
182 	if (ctrlbits & IOCTRL_BITS_6)
183 		rv |= CS6;
184 	else
185 	if (ctrlbits & IOCTRL_BITS_5)
186 		rv |= CS5;
187 	else
188 		panic("ioctrl2cflag: Bad character length: 0x%x", ctrlbits);
189 
190 	/* Convert number of stop bits */
191 	if (ctrlbits & IOCTRL_STOP_2)
192 		rv |= CSTOPB;
193 	else
194 	if ((ctrlbits & IOCTRL_STOP_1) == 0)
195 		panic("ioctrl2cflag: Bad number of stop bits: 0x%x", ctrlbits);
196 
197 	return (rv);
198 }
199