NetBSD/sys/arch/mmeye/stand/bootelf/boot.c

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1999-09-27 12:47:56 +04:00
/* $NetBSD: boot.c,v 1.2 1999/09/27 08:47:56 tsubai Exp $ */
/*-
* Copyright (C) 1999 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/sysctl.h>
1999-09-27 12:47:56 +04:00
#include <machine/cpu.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "loadfile.h"
#if 1
# define DPRINTF printf
#else
# define DPRINTF while (0) printf
#endif
void LoadAndReset __P((void *));
char *netbsd = "/netbsd";
int
main(argc, argv)
int argc;
char *argv[];
{
u_long marks[MARK_MAX];
u_long start, entry;
int fd, sz, i;
u_long *ap;
u_long cksum, *lp;
void *image;
/* use the specified kernel if any */
if (argc > 1)
netbsd = argv[1];
DPRINTF("loading %s...\n", netbsd);
/* count kernel size */
marks[MARK_START] = 0;
fd = loadfile(netbsd, marks, COUNT_ALL);
if (fd == -1)
err(0, "loadfile(1)");
close(fd);
sz = marks[MARK_END] - marks[MARK_START];
start = marks[MARK_START];
entry = marks[MARK_ENTRY];
DPRINTF("size = 0x%x\n", sz);
DPRINTF("start = 0x%lx\n", start);
ap = malloc(sz + 2 * sizeof(long));
if (ap == NULL)
err(0, "malloc");
image = &ap[2];
marks[MARK_START] = (u_long)image - start;
fd = loadfile(netbsd, marks, LOAD_ALL);
if (fd == -1)
err(0, "loadfile(2)");
close(fd);
/* ssym = marks[MARK_SYM]; */
/* esym = marks[MARK_END]; */
cksum = 0;
lp = image;
for (i = 0; i < sz / sizeof(cksum); i++)
cksum += *lp++;
ap[0] = sz;
ap[1] = cksum;
LoadAndReset(ap);
printf("LoadAndReset returned...\n");
free(ap);
exit(0);
}
void
LoadAndReset(image)
void *image;
{
int mib[2];
u_long val;
mib[0] = CTL_MACHDEP;
mib[1] = CPU_LOADANDRESET;
val = (u_long)image;
sysctl(mib, 2, NULL, NULL, &val, sizeof(val));
}