acpidump.c revision 85323 
1/*-
2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
3 * 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 85323 2001-10-22 17:25:32Z iwasaki $
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 "acpidump.h"
38
39static void
40asl_dump_from_file(char *file)
41{
42	u_int8_t	*dp;
43	u_int8_t	*end;
44	struct	ACPIsdt *dsdt;
45
46	acpi_load_dsdt(file, &dp, &end);
47	acpi_dump_dsdt(dp, end);
48}
49
50static void
51asl_dump_from_devmem()
52{
53	struct	ACPIrsdp *rp;
54	struct	ACPIsdt *rsdp;
55
56	rp = acpi_find_rsd_ptr();
57	if (!rp)
58		errx(1, "Can't find ACPI information\n");
59
60	acpi_print_rsd_ptr(rp);
61	rsdp = (struct ACPIsdt *) acpi_map_sdt(rp->addr);
62	if (memcmp(rsdp->signature, "RSDT", 4) ||
63	    acpi_checksum(rsdp, rsdp->len))
64		errx(1, "RSDT is corrupted\n");
65
66	acpi_handle_rsdt(rsdp);
67}
68
69static void
70usage(const char *progname)
71{
72
73	printf("usage:\t%s [-o dsdt_file_for_output]\n", progname);
74	printf("\t%s [-f dsdt_file_for_input]\n", progname);
75	printf("\t%s [-h]\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