157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
/* $NetBSD: pboot.c,v 1.7 1995/08/05 16:47:47 thorpej Exp $ */
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/*-
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)boot.c 8.1 (Berkeley) 6/10/93
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*/
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#ifndef lint
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static char rcsid[] = "$NetBSD: pboot.c,v 1.7 1995/08/05 16:47:47 thorpej Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/reboot.h>
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#include <a.out.h>
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#include "stand.h"
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#include "samachdep.h"
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/*
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* Boot program... bits in `howto' determine whether boot stops to
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* ask for system name. Boot device is derived from ROM provided
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* information.
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*/
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char line[100];
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extern u_int opendev;
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extern char *lowram;
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extern int noconsole;
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char *name;
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char *names[] = {
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"/netbsd", "/onetbsd", "/netbsd.old",
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};
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#define NUMNAMES (sizeof(names)/sizeof(char *))
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static int bdev, badapt, bctlr, bunit, bpart;
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main()
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{
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int currname = 0;
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printf("\n>> NetBSD BOOT HP9000/%s CPU [%s]\n",
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getmachineid(), "$Revision: 1.7 $");
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bdev = B_TYPE(bootdev);
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badapt = B_ADAPTOR(bootdev);
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bctlr = B_CONTROLLER(bootdev);
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bunit = B_UNIT(bootdev);
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bpart = B_PARTITION(bootdev);
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for (;;) {
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name = names[currname++];
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if (currname == NUMNAMES)
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currname = 0;
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if (!noconsole) {
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howto = 0;
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getbootdev(&howto);
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} else
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printf(": %s\n", name);
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#if 0
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printf("Booting %s%d%c:%s @ 0x%x\n",
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devsw[dev].dv_name, ctlr + (8 * adapt), 'a' + part, name, x.a_entry);
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#endif
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exec(name, lowram, howto);
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printf("boot: %s\n", strerror(errno));
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}
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}
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getbootdev(howto)
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int *howto;
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{
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char c, *ptr = line;
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printf("Boot: [[[%s%d%c:]%s][-s][-a][-d]] :- ",
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devsw[bdev].dv_name, bctlr + (8 * badapt), 'a' + bpart, name);
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if (tgets(line)) {
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while (c = *ptr) {
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while (c == ' ')
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c = *++ptr;
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if (!c)
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return;
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if (c == '-')
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while ((c = *++ptr) && c != ' ')
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switch (c) {
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case 'a':
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*howto |= RB_ASKNAME;
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continue;
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case 's':
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*howto |= RB_SINGLE;
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continue;
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case 'd':
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*howto |= RB_KDB;
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continue;
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case 'b':
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*howto |= RB_HALT;
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continue;
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}
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else {
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name = ptr;
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while ((c = *++ptr) && c != ' ');
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if (c)
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*ptr++ = 0;
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}
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}
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} else
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printf("\n");
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}
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void
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machdep_start(entry, howto, loadaddr, ssym, esym)
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char *entry;
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int howto;
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char *loadaddr;
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char *ssym, *esym;
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{
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asm("movl %0,d7" : : "m" (howto));
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asm("movl %0,d6" : : "m" (opendev));
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asm("movl %0,a5" : : "a" (loadaddr));
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asm("movl %0,a4" : : "a" (esym));
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(*((int (*)())entry))();
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}
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