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/* $NetBSD: netboot.c,v 1.10 1995/10/04 07:24:32 thorpej Exp $ */
/*-
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)boot.c 8.1 (Berkeley) 6/10/93
*/
#include <sys/param.h>
#include <sys/reboot.h>
#include <a.out.h>
#include "stand.h"
#include "samachdep.h"
/*
* Boot program... bits in `howto' determine whether boot stops to
* ask for system name. Boot device is derived from ROM provided
* information.
*/
char line[100];
extern u_int opendev;
extern char *lowram;
extern int noconsole;
extern int cons_scode;
char *name;
char *names[] = {
"bsd", "obsd", "bsd.old",
};
#define NUMNAMES (sizeof(names)/sizeof(char *))
static int bdev, badapt, bctlr, bunit, bpart;
main()
{
int currname = 0;
/*
* XXX: different versions of the HP boot rom seem to report
* different things, so we have to compensate.
*/
bootdev = MAKEBOOTDEV(0, 0, 0, 0, 0);
printf("\n>> NetBSD NETWORK BOOT HP9000/%s CPU\n",
getmachineid());
printf(">> $NetBSD: netboot.c,v 1.10 1995/10/04 07:24:32 thorpej Exp $\n");
printf(">> Enter \"reset\" to reset system.\n");
bdev = B_TYPE(bootdev);
badapt = B_ADAPTOR(bootdev);
bctlr = B_CONTROLLER(bootdev);
bunit = B_UNIT(bootdev);
bpart = B_PARTITION(bootdev);
for (;;) {
name = names[currname++];
if (currname == NUMNAMES)
currname = 0;
if (!noconsole) {
howto = 0;
getbootname(&howto);
} else
printf(": %s\n", name);
exec(name, lowram, howto);
printf("boot: %s\n", strerror(errno));
}
}
getbootname(howto)
int *howto;
{
char c, *ptr = line;
printf("Boot: [%s][-s][-a][-d] :- ", name);
if (tgets(line)) {
if (strcmp(line, "reset") == 0) {
call_req_reboot(); /* reset machine */
printf("panic: can't reboot, halting\n");
asm("stop #0x2700");
}
while (c = *ptr) {
while (c == ' ')
c = *++ptr;
if (!c)
return;
if (c == '-')
while ((c = *++ptr) && c != ' ')
switch (c) {
case 'a':
*howto |= RB_ASKNAME;
continue;
case 's':
*howto |= RB_SINGLE;
continue;
case 'd':
*howto |= RB_KDB;
continue;
case 'b':
*howto |= RB_HALT;
continue;
}
else {
name = ptr;
while ((c = *++ptr) && c != ' ');
if (c)
*ptr++ = 0;
}
}
} else
printf("\n");
}
void
machdep_start(entry, howto, loadaddr, ssym, esym)
char *entry;
int howto;
char *loadaddr;
char *ssym, *esym;
{
asm("movl %0,d7" : : "m" (howto));
asm("movl #0,d6"); /* tell setroot we've netbooted */
asm("movl %0,d5" : : "m" (cons_scode));
asm("movl %0,a5" : : "a" (loadaddr));
asm("movl %0,a4" : : "a" (esym));
(*((int (*)())entry))();
}
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