1 /*        $NetBSD: boot.c,v 1.7 2016/06/11 06:34:00 dholland 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 main(void);
81 
82 void
main(void)83 main(void)
84 {
85           struct bug_buginfo *bbi;
86           struct bug_boardid *bid;
87           struct bug_ioinquiry *ioi, ioinq;
88           struct bug_ioctrl ioctrl;
89           char consname[CONSOLEDEV_LEN];
90           char line[80];
91           const char *file;
92           int ask = 0, howto, part;
93 
94           if (bug_bootinfo.bbi_bugmode == 0)
95                     panic("mvmeppc-boot: PReP boot mode not supported!");
96 
97           bbi = &bug_bootinfo.bbi_bi.bbi;
98 
99           if ((bid = bugsys_brdid()) == NULL)
100                     panic("mvmeppc-boot: bugsys_brdid() failed!");
101 
102           ioinq.ii_boardname = consname;
103           ioinq.ii_ioctrl = &ioctrl;
104           ioinq.ii_portnum = BUG_IOINQ_PORT_CONSOLE;
105           if ((ioi = bugsys_ioinq(&ioinq)) == NULL)
106                     panic("mvmeppc-boot: bugsys_ioinq() failed!");
107 
108           if (bid->bi_devtype > 9)
109                     panic("mvmeppc-boot: Bogus boot device type (%d)",
110                         bid->bi_devtype);
111 
112           printf(">> MVMEPPC boot on MVME%x\n", bid->bi_bnumber);
113 
114           parse_args(bbi->bbi_argstart, bbi->bbi_argend, &file, &howto, &part);
115 
116           for (;;) {
117                     if (ask) {
118                               printf("boot: ");
119                               kgets(line, sizeof(line));
120                               if (strcmp(line, "halt") == 0)
121                                         break;
122 
123                               if (line[0]) {
124                                         char *cp = line;
125 
126                                         while (cp < (line + sizeof(line) - 1) && *cp)
127                                                   cp++;
128 
129                                         bbi->bbi_argstart = line;
130                                         bbi->bbi_argend = cp;
131                                         parse_args(bbi->bbi_argstart, bbi->bbi_argend,
132                                             &file, &howto, &part);
133                               }
134                     }
135 
136                     bootinfo.bi_boothowto = howto;
137                     bootinfo.bi_bootaddr = bbi->bbi_devaddr;
138                     bootinfo.bi_bootclun = bbi->bbi_clun;
139                     bootinfo.bi_bootclun = bbi->bbi_dlun;
140                     strncpy(bootinfo.bi_bootline, bbi->bbi_argstart,
141                         MIN(BOOTLINE_LEN, bbi->bbi_argend - bbi->bbi_argstart));
142                     strncpy(bootinfo.bi_consoledev, consname, CONSOLEDEV_LEN);
143                     bootinfo.bi_consoleaddr = ioi->ii_devaddr;
144                     bootinfo.bi_consolechan = ioi->ii_channel;
145                     bootinfo.bi_consolespeed = ioctrl.ic_baud;
146                     bootinfo.bi_consolecflag = ioctrl2cflag(ioctrl.ic_ctrlbits);
147                     bootinfo.bi_modelnumber = bid->bi_bnumber;
148 
149                     exec_mvme(file, howto, part);
150                     printf("boot: %s: %s\n", file, strerror(errno));
151                     ask = 1;
152           }
153 }
154 
155 static u_int32_t
ioctrl2cflag(u_int32_t ctrlbits)156 ioctrl2cflag(u_int32_t ctrlbits)
157 {
158           u_int32_t rv;
159 
160           rv = TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB | PARODD);
161 
162           /* Convert parity */
163           if (ctrlbits & IOCTRL_PARITY_ODD)
164                     rv |= PARENB | PARODD;
165           else
166           if (ctrlbits & IOCTRL_PARITY_EVEN)
167                     rv |= PARENB;
168 
169           /* Convert character length */
170           if (ctrlbits & IOCTRL_BITS_8)
171                     rv |= CS8;
172           else
173           if (ctrlbits & IOCTRL_BITS_7)
174                     rv |= CS7;
175           else
176           if (ctrlbits & IOCTRL_BITS_6)
177                     rv |= CS6;
178           else
179           if (ctrlbits & IOCTRL_BITS_5)
180                     rv |= CS5;
181           else
182                     panic("ioctrl2cflag: Bad character length: 0x%x", ctrlbits);
183 
184           /* Convert number of stop bits */
185           if (ctrlbits & IOCTRL_STOP_2)
186                     rv |= CSTOPB;
187           else
188           if ((ctrlbits & IOCTRL_STOP_1) == 0)
189                     panic("ioctrl2cflag: Bad number of stop bits: 0x%x", ctrlbits);
190 
191           return (rv);
192 }
193