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/* $NetBSD: boot.c,v 1.6 1995/02/21 09:06:13 mycroft 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"
/*
* 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 howto, bootdev;
main()
{
int retry, type;
printf("%s CPU\nBoot\n", getmachineid());
#ifdef JUSTASK
howto = RB_ASKNAME|RB_SINGLE;
#else
if ((howto & RB_ASKNAME) == 0) {
type = (bootdev >> B_TYPESHIFT) & B_TYPEMASK;
if ((unsigned)type < ndevs && devsw[type].dv_name)
strcpy(line, "/netbsd");
else
howto |= RB_SINGLE|RB_ASKNAME;
}
#endif
for (retry = 0;;) {
if (!noconsole && (howto & RB_ASKNAME)) {
printf(": ");
gets(line);
if (line[0] == 0) {
strcpy(line, "/netbsd");
printf(": %s\n", line);
}
} else
printf(": %s\n", line);
exec(line, lowram, howto);
printf("boot: %s\n", strerror(errno));
howto |= RB_SINGLE|RB_ASKNAME;
}
}
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" : : "m" (opendev));
asm("movl %0,a5" : : "a" (loadaddr));
asm("movl %0,a4" : : "a" (esym));
(*((int (*)())entry))();
}
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