123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/* $NetBSD: boot.c,v 1.2 1999/09/27 08:47:56 tsubai Exp $ */
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/*-
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* Copyright (C) 1999 Tsubai Masanari. All rights reserved.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <machine/cpu.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "loadfile.h"
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#if 1
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# define DPRINTF printf
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#else
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# define DPRINTF while (0) printf
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#endif
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void LoadAndReset __P((void *));
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char *netbsd = "/netbsd";
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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u_long marks[MARK_MAX];
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u_long start, entry;
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int fd, sz, i;
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u_long *ap;
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u_long cksum, *lp;
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void *image;
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/* use the specified kernel if any */
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if (argc > 1)
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netbsd = argv[1];
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DPRINTF("loading %s...\n", netbsd);
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/* count kernel size */
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marks[MARK_START] = 0;
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fd = loadfile(netbsd, marks, COUNT_ALL);
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if (fd == -1)
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err(0, "loadfile(1)");
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close(fd);
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sz = marks[MARK_END] - marks[MARK_START];
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start = marks[MARK_START];
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entry = marks[MARK_ENTRY];
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DPRINTF("size = 0x%x\n", sz);
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DPRINTF("start = 0x%lx\n", start);
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ap = malloc(sz + 2 * sizeof(long));
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if (ap == NULL)
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err(0, "malloc");
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image = &ap[2];
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marks[MARK_START] = (u_long)image - start;
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fd = loadfile(netbsd, marks, LOAD_ALL);
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if (fd == -1)
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err(0, "loadfile(2)");
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close(fd);
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/* ssym = marks[MARK_SYM]; */
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/* esym = marks[MARK_END]; */
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cksum = 0;
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lp = image;
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for (i = 0; i < sz / sizeof(cksum); i++)
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cksum += *lp++;
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ap[0] = sz;
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ap[1] = cksum;
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LoadAndReset(ap);
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printf("LoadAndReset returned...\n");
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free(ap);
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exit(0);
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}
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void
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LoadAndReset(image)
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void *image;
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{
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int mib[2];
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u_long val;
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mib[0] = CTL_MACHDEP;
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mib[1] = CPU_LOADANDRESET;
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val = (u_long)image;
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sysctl(mib, 2, NULL, NULL, &val, sizeof(val));
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}
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