Annotation of sys/arch/hp300/stand/uboot/uboot.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: uboot.c,v 1.5 2007/05/29 00:03:09 deraadt Exp $ */
! 2: /* $NetBSD: uboot.c,v 1.3 1997/04/27 21:17:13 thorpej Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1982, 1986, 1990, 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. Neither the name of the University nor the names of its contributors
! 17: * may be used to endorse or promote products derived from this software
! 18: * without specific prior written permission.
! 19: *
! 20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 30: * SUCH DAMAGE.
! 31: *
! 32: * @(#)boot.c 8.1 (Berkeley) 6/10/93
! 33: */
! 34:
! 35: #include <sys/param.h>
! 36: #include <sys/reboot.h>
! 37: #include <machine/exec.h>
! 38: #include <a.out.h>
! 39:
! 40: #include <lib/libsa/stand.h>
! 41:
! 42: #include "samachdep.h"
! 43:
! 44: /*
! 45: * Boot program... bits in `howto' determine whether boot stops to
! 46: * ask for system name. Boot device is derived from ROM provided
! 47: * information.
! 48: */
! 49:
! 50: char line[100];
! 51:
! 52: extern u_int opendev;
! 53: extern char *lowram;
! 54: extern int noconsole;
! 55:
! 56: extern const char version[];
! 57:
! 58: /*
! 59: * XXX UFS accepts a /, NFS doesn't.
! 60: */
! 61: char *name;
! 62: char *names[] = {
! 63: "bsd"
! 64: };
! 65: #define NUMNAMES (sizeof(names) / sizeof(char *))
! 66:
! 67: static int bdev, badapt, bctlr, bunit, bpart;
! 68:
! 69: void getbootdev(int *);
! 70:
! 71: int
! 72: main()
! 73: {
! 74: int currname = 0;
! 75:
! 76: printf("\n>> OpenBSD [%dKB] UNIFIED BOOT %s HP 9000/%s CPU\n",
! 77: (__LDPGSZ / 1024), version, getmachineid());
! 78: printf(">> Enter \"reset\" to reset system.\n");
! 79:
! 80: bdev = B_TYPE(bootdev);
! 81: badapt = B_ADAPTOR(bootdev);
! 82: bctlr = B_CONTROLLER(bootdev);
! 83: bunit = B_UNIT(bootdev);
! 84: bpart = B_PARTITION(bootdev);
! 85:
! 86: for (;;) {
! 87: name = names[currname++];
! 88: if (currname == NUMNAMES)
! 89: currname = 0;
! 90:
! 91: if (!noconsole) {
! 92: howto = 0;
! 93: getbootdev(&howto);
! 94: } else
! 95: printf(": %s\n", name);
! 96:
! 97: exec(name, lowram, howto);
! 98: printf("boot: %s\n", strerror(errno));
! 99: }
! 100: return (0);
! 101: }
! 102:
! 103: void
! 104: getbootdev(int *howto)
! 105: {
! 106: char c, *ptr = line;
! 107:
! 108: printf("Boot: [[[%s%d%c:]%s][-acds]] :- ",
! 109: devsw[bdev].dv_name, bctlr + (8 * badapt), 'a' + bpart, name);
! 110:
! 111: if (tgets(line)) {
! 112: if (strcmp(line, "reset") == 0) {
! 113: call_req_reboot(); /* reset machine */
! 114: printf("panic: can't reboot, halting\n");
! 115: asm("stop #0x2700");
! 116: }
! 117: while ((c = *ptr) != '\0') {
! 118: while (c == ' ')
! 119: c = *++ptr;
! 120: if (!c)
! 121: return;
! 122: if (c == '-')
! 123: while ((c = *++ptr) && c != ' ')
! 124: switch (c) {
! 125: case 'a':
! 126: *howto |= RB_ASKNAME;
! 127: continue;
! 128: case 'b':
! 129: *howto |= RB_HALT;
! 130: continue;
! 131: case 'c':
! 132: *howto |= RB_CONFIG;
! 133: continue;
! 134: case 'd':
! 135: *howto |= RB_KDB;
! 136: continue;
! 137: case 's':
! 138: *howto |= RB_SINGLE;
! 139: continue;
! 140: }
! 141: else {
! 142: name = ptr;
! 143: while ((c = *++ptr) && c != ' ');
! 144: if (c)
! 145: *ptr++ = 0;
! 146: }
! 147: }
! 148: } else
! 149: printf("\n");
! 150: }
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