freebsd-dev/usr.sbin/acpi/acpidump/acpidump.c
Mike Smith add420aa72 Add support for decoding Buffer objects that contain PnP/ACPI resource
streams.  Since the output is bulky, it's controlled by the '-r'
option.

Document this in the manpage, and clean up some awkward English a
little.
2002-01-02 07:01:34 +00:00

108 lines
2.7 KiB
C

/*-
* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@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 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 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.
*
* $Id: acpidump.c,v 1.3 2000/08/08 14:12:21 iwasaki Exp $
* $FreeBSD$
*/
#include <sys/param.h>
#include <assert.h>
#include <err.h>
#include <stdio.h>
#include <unistd.h>
#include "acpidump.h"
static void
asl_dump_from_file(char *file)
{
u_int8_t *dp;
u_int8_t *end;
struct ACPIsdt *dsdt;
acpi_load_dsdt(file, &dp, &end);
acpi_dump_dsdt(dp, end);
}
static void
asl_dump_from_devmem()
{
struct ACPIrsdp *rp;
struct ACPIsdt *rsdp;
rp = acpi_find_rsd_ptr();
if (!rp)
errx(1, "Can't find ACPI information\n");
acpi_print_rsd_ptr(rp);
rsdp = (struct ACPIsdt *) acpi_map_sdt(rp->addr);
if (memcmp(rsdp->signature, "RSDT", 4) ||
acpi_checksum(rsdp, rsdp->len))
errx(1, "RSDT is corrupted\n");
acpi_handle_rsdt(rsdp);
}
static void
usage(const char *progname)
{
printf("usage:\t%s [-r] [-o dsdt_file_for_output]\n", progname);
printf("\t%s [-r] [-f dsdt_file_for_input]\n", progname);
printf("\t%s [-h]\n", progname);
exit(1);
}
int
main(int argc, char *argv[])
{
char c, *progname;
progname = argv[0];
while ((c = getopt(argc, argv, "f:o:hr")) != -1) {
switch (c) {
case 'f':
asl_dump_from_file(optarg);
return (0);
case 'o':
aml_dumpfile = optarg;
break;
case 'h':
usage(progname);
break;
case 'r':
rflag++;
break;
default:
argc -= optind;
argv += optind;
}
}
asl_dump_from_devmem();
return (0);
}