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freebsd/usr.sbin/ofwdump/ofwdump.c
Thomas Moestl 1b6eef5b4e Add a utility to examine the OpenFirmware device tree (on sparc64). This
allows access to detailed machine configuration information, and should
be especially useful to gather information for driver-related bug
reports.
2002-10-18 15:37:15 +00:00

107 lines
2.6 KiB
C

/*-
* Copyright (c) 2002 by Thomas Moestl <tmm@FreeBSD.org>.
* 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.
*
* 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 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "ofw_util.h"
void usage(void);
void
usage(void)
{
fprintf(stderr,
"usage: ofwdump -a [-p | -P property] [-R | -S]\n"
" ofwdump [-p | -P property] [-r] [-R | -S] [--] nodes\n");
exit(1);
}
int
main(int argc, char *argv[])
{
int opt, i, fd;
int aflag, pflag, rflag, Rflag, Sflag;
char *Parg;
aflag = pflag = rflag = Rflag = Sflag = 0;
Parg = NULL;
while ((opt = getopt(argc, argv, "-aprP:RS")) != -1) {
if (opt == '-')
break;
switch (opt) {
case 'a':
aflag = 1;
rflag = 1;
break;
case 'p':
if (Parg != NULL)
usage();
pflag = 1;
break;
case 'r':
rflag = 1;
break;
case 'P':
if (pflag)
usage();
pflag = 1;
Parg = optarg;
break;
case 'R':
if (Sflag)
usage();
Rflag = 1;
break;
case 'S':
if (Rflag)
usage();
Sflag = 1;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
fd = ofw_open();
if (aflag) {
if (argc != 0)
usage();
ofw_dump(fd, NULL, rflag, pflag, Parg, Rflag, Sflag);
} else {
for (i = 0; i < argc; i++)
ofw_dump(fd, argv[i], rflag, pflag, Parg, Rflag, Sflag);
}
ofw_close(fd);
return (0);
}