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/* $OpenBSD: boot.c,v 1.10 1997/07/08 10:42:25 niklas Exp $ */
/* $NetBSD: boot.c,v 1.10 1997/01/18 01:58:33 cgd Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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 <lib/libkern/libkern.h>
#include <lib/libsa/stand.h>
#include <sys/param.h>
#include <sys/exec.h>
#include <sys/exec_ecoff.h>
#include <machine/rpb.h>
#include <machine/prom.h>
#define _KERNEL
#include "include/pte.h"
int loadfile __P((char *, u_int64_t *));
char boot_file[128];
char boot_flags[128];
extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
vm_offset_t ffp_save, ptbr_save, esym;
int debug;
char *kernelnames[] = {
"bsd",
"bsd.bak",
"bsd.old",
"obsd",
NULL
};
void
main()
{
char *name, **namep;
u_int64_t entry;
int win;
/* Init prom callback vector. */
init_prom_calls();
/* print a banner */
printf("\n");
printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
printf("(%s, %s)\n", bootprog_maker, bootprog_date);
printf("\n");
/* switch to OSF pal code. */
OSFpal();
printf("\n");
prom_getenv(PROM_E_BOOTED_FILE, boot_file, sizeof(boot_file));
prom_getenv(PROM_E_BOOTED_OSFLAGS, boot_flags, sizeof(boot_flags));
if (boot_file[0] != 0)
(void)printf("Boot file: %s\n", boot_file);
(void)printf("Boot flags: %s\n", boot_flags);
if (boot_file[0] != '\0')
win = (loadfile(name = boot_file, &entry) == 0);
else
for (namep = kernelnames, win = 0; *namep != NULL && !win;
namep++)
win = (loadfile(name = *namep, &entry) == 0);
printf("\n");
if (win) {
(void)printf("Entering %s at 0x%lx...\n", name, entry);
(*(void (*)())entry)(ffp_save, ptbr_save, esym);
}
(void)printf("Boot failed! Halting...\n");
halt();
}
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