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