140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/* $NetBSD: boot.c,v 1.6 1997/09/06 14:03:56 drochner 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/libsa/stand.h>
|
|
#include <lib/libkern/libkern.h>
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/exec.h>
|
|
#include <sys/exec_ecoff.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
#include <machine/prom.h>
|
|
|
|
#include <machine/pte.h>
|
|
|
|
#include "common.h"
|
|
|
|
int loadfile __P((char *, u_int64_t *));
|
|
|
|
char boot_file[128];
|
|
char boot_flags[128];
|
|
|
|
struct bootinfo bootinfo;
|
|
|
|
extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
|
|
|
|
vm_offset_t ffp_save, ptbr_save;
|
|
|
|
extern vm_offset_t ssym, esym;
|
|
|
|
int debug;
|
|
|
|
char *kernelnames[] = {
|
|
"netbsd", "netbsd.gz",
|
|
"netbsd.bak", "netbsd.bak.gz",
|
|
"netbsd.old", "netbsd.old.gz",
|
|
"onetbsd", "onetbsd.gz",
|
|
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) {
|
|
/*
|
|
* Fill in the bootinfo for the kernel.
|
|
*/
|
|
bzero(&bootinfo, sizeof(bootinfo));
|
|
bootinfo.version = 1;
|
|
bootinfo.un.v1.ssym = ssym;
|
|
bootinfo.un.v1.esym = esym;
|
|
bcopy(name, bootinfo.un.v1.booted_kernel,
|
|
sizeof(bootinfo.un.v1.booted_kernel));
|
|
bcopy(boot_flags, bootinfo.un.v1.boot_flags,
|
|
sizeof(bootinfo.un.v1.boot_flags));
|
|
bootinfo.un.v1.hwrpb = NULL;
|
|
bootinfo.un.v1.hwrpbsize = 0;
|
|
bootinfo.un.v1.cngetc = NULL;
|
|
bootinfo.un.v1.cnputc = NULL;
|
|
bootinfo.un.v1.cnpollc = NULL;
|
|
|
|
(void)printf("Entering %s at 0x%lx...\n", name, entry);
|
|
(*(void (*)())entry)(ffp_save, ptbr_save,
|
|
BOOTINFO_MAGIC, &bootinfo, 0);
|
|
}
|
|
|
|
(void)printf("Boot failed! Halting...\n");
|
|
halt();
|
|
}
|