acpidump.c revision 66490 
1170448Sgrog/*-
2170448Sgrog * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
3170448Sgrog * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 *	$Id: acpidump.c,v 1.3 2000/08/08 14:12:21 iwasaki Exp $
27 *	$FreeBSD: head/usr.sbin/acpi/acpidump/acpidump.c 66490 2000-09-30 20:13:57Z msmith $
28 */
29
30#include <sys/param.h>
31
32#include <assert.h>
33#include <err.h>
34#include <stdio.h>
35#include <unistd.h>
36
37#include <dev/acpi/acpireg.h>
38
39#include "acpidump.h"
40
41static void
42asl_dump_from_file(char *file)
43{
44	u_int8_t	*dp;
45	u_int8_t	*end;
46
47	acpi_load_dsdt(file, &dp, &end);
48	asl_dump_objectlist(&dp, end, 0);
49}
50
51static void
52asl_dump_from_devmem()
53{
54	struct	ACPIrsdp *rp;
55	struct	ACPIsdt *rsdp;
56
57	rp = acpi_find_rsd_ptr();
58	if (!rp)
59		errx(1, "Can't find ACPI information\n");
60
61	acpi_print_rsd_ptr(rp);
62	rsdp = (struct ACPIsdt *) acpi_map_sdt(rp->addr);
63	if (memcmp(rsdp->signature, "RSDT", 4) ||
64	    acpi_checksum(rsdp, rsdp->len))
65		errx(1, "RSDT is corrupted\n");
66
67	acpi_handle_rsdt(rsdp);
68}
69
70static void
71usage(const char *progname)
72{
73
74	printf("usage:\t%s [-o dsdt_file_for_output]\n", progname);
75	printf("or\t%s [-f dsdt_file_for_input]\n", progname);
76	exit(1);
77}
78
79int
80main(int argc, char *argv[])
81{
82	char	c, *progname;
83
84	progname = argv[0];
85	while ((c = getopt(argc, argv, "f:o:h")) != -1) {
86		switch (c) {
87		case 'f':
88			asl_dump_from_file(optarg);
89			return (0);
90		case 'o':
91			aml_dumpfile = optarg;
92			break;
93		case 'h':
94			usage(progname);
95			break;
96		default:
97			argc -= optind;
98			argv += optind;
99		}
100	}
101
102	asl_dump_from_devmem();
103	return (0);
104}
105