sys/arch/mvmeppc/stand/boot/boot.c

   1 /*      $NetBSD: boot.c,v 1.4 2007/01/24 13:08:12 hubertf 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 }