xref: /netbsd/sys/arch/mvmeppc/stand/boot/boot.c (revision bf9ec67e)
1 /*	$NetBSD: boot.c,v 1.1 2002/02/27 21:02:26 scw 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. All advertising materials mentioning features or use of this software
52  *    must display the following acknowledgement:
53  *	This product includes software developed by the University of
54  *	California, Berkeley and its contributors.
55  * 4. Neither the name of the University nor the names of its contributors
56  *    may be used to endorse or promote products derived from this software
57  *    without specific prior written permission.
58  *
59  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69  * SUCH DAMAGE.
70  *
71  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
72  */
73 
74 #include <sys/param.h>
75 #include <sys/reboot.h>
76 #include <sys/reboot.h>
77 #include <sys/termios.h>
78 #include <sys/ttydefaults.h>
79 #include <machine/bootinfo.h>
80 
81 #include <lib/libkern/libkern.h>
82 
83 #include "stand.h"
84 #include "libsa.h"
85 #include "bugsyscalls.h"
86 
87 struct bug_bootinfo	bug_bootinfo;
88 struct mvmeppc_bootinfo	bootinfo;
89 
90 static u_int32_t ioctrl2cflag(u_int32_t);
91 
92 void
93 main(void)
94 {
95 	struct bug_buginfo *bbi;
96 	struct bug_boardid *bid;
97 	struct bug_ioinquiry *ioi, ioinq;
98 	struct bug_ioctrl ioctrl;
99 	char consname[CONSOLEDEV_LEN];
100 	char line[80];
101 	const char *file;
102 	int ask = 0, howto, part;
103 
104 	if (bug_bootinfo.bbi_bugmode == 0)
105 		panic("mvmeppc-boot: PReP boot mode not supported!");
106 
107 	bbi = &bug_bootinfo.bbi_bi.bbi;
108 
109 	if ((bid = bugsys_brdid()) == NULL)
110 		panic("mvmeppc-boot: bugsys_brdid() failed!");
111 
112 	ioinq.ii_boardname = consname;
113 	ioinq.ii_ioctrl = &ioctrl;
114 	ioinq.ii_portnum = BUG_IOINQ_PORT_CONSOLE;
115 	if ((ioi = bugsys_ioinq(&ioinq)) == NULL)
116 		panic("mvmeppc-boot: bugsys_ioinq() failed!");
117 
118 	if (bid->bi_devtype > 9)
119 		panic("mvmeppc-boot: Bogus boot device type (%d)",
120 		    bid->bi_devtype);
121 
122 	printf(">> MVMEPPC boot on MVME%x\n", bid->bi_bnumber);
123 
124 	parse_args(bbi->bbi_argstart, bbi->bbi_argend, &file, &howto, &part);
125 
126 	for (;;) {
127 		if (ask) {
128 			printf("boot: ");
129 			gets(line);
130 			if (strcmp(line, "halt") == 0)
131 				break;
132 
133 			if (line[0]) {
134 				char *cp = line;
135 
136 				while (cp < (line + sizeof(line) - 1) && *cp)
137 					cp++;
138 
139 				bbi->bbi_argstart = line;
140 				bbi->bbi_argend = cp;
141 				parse_args(bbi->bbi_argstart, bbi->bbi_argend,
142 				    &file, &howto, &part);
143 			}
144 		}
145 
146 		bootinfo.bi_boothowto = howto;
147 		bootinfo.bi_bootaddr = bbi->bbi_devaddr;
148 		bootinfo.bi_bootclun = bbi->bbi_clun;
149 		bootinfo.bi_bootclun = bbi->bbi_dlun;
150 		strncpy(bootinfo.bi_bootline, bbi->bbi_argstart,
151 		    MIN(BOOTLINE_LEN, bbi->bbi_argend - bbi->bbi_argstart));
152 		strncpy(bootinfo.bi_consoledev, consname, CONSOLEDEV_LEN);
153 		bootinfo.bi_consoleaddr = ioi->ii_devaddr;
154 		bootinfo.bi_consolechan = ioi->ii_channel;
155 		bootinfo.bi_consolespeed = ioctrl.ic_baud;
156 		bootinfo.bi_consolecflag = ioctrl2cflag(ioctrl.ic_ctrlbits);
157 		bootinfo.bi_modelnumber = bid->bi_bnumber;
158 
159 		exec_mvme(file, howto, part);
160 		printf("boot: %s: %s\n", file, strerror(errno));
161 		ask = 1;
162 	}
163 }
164 
165 static u_int32_t
166 ioctrl2cflag(u_int32_t ctrlbits)
167 {
168 	u_int32_t rv;
169 
170 	rv = TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB | PARODD);
171 
172 	/* Convert parity */
173 	if (ctrlbits & IOCTRL_PARITY_ODD)
174 		rv |= PARENB | PARODD;
175 	else
176 	if (ctrlbits & IOCTRL_PARITY_EVEN)
177 		rv |= PARENB;
178 
179 	/* Convert character length */
180 	if (ctrlbits & IOCTRL_BITS_8)
181 		rv |= CS8;
182 	else
183 	if (ctrlbits & IOCTRL_BITS_7)
184 		rv |= CS7;
185 	else
186 	if (ctrlbits & IOCTRL_BITS_6)
187 		rv |= CS6;
188 	else
189 	if (ctrlbits & IOCTRL_BITS_5)
190 		rv |= CS5;
191 	else
192 		panic("ioctrl2cflag: Bad character length: 0x%x", ctrlbits);
193 
194 	/* Convert number of stop bits */
195 	if (ctrlbits & IOCTRL_STOP_2)
196 		rv |= CSTOPB;
197 	else
198 	if ((ctrlbits & IOCTRL_STOP_1) == 0)
199 		panic("ioctrl2cflag: Bad number of stop bits: 0x%x", ctrlbits);
200 
201 	return (rv);
202 }
203