xref: /freebsd/usr.sbin/acpi/acpidump/acpidump.c (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c)
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  *	$FreeBSD$
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 
39 static void
40 asl_dump_from_file(char *file)
41 {
42 	u_int8_t	*dp;
43 	u_int8_t	*end;
44 
45 	acpi_load_dsdt(file, &dp, &end);
46 	asl_dump_objectlist(&dp, end, 0);
47 }
48 
49 static void
50 asl_dump_from_devmem()
51 {
52 	struct	ACPIrsdp *rp;
53 	struct	ACPIsdt *rsdp;
54 
55 	rp = acpi_find_rsd_ptr();
56 	if (!rp)
57 		errx(1, "Can't find ACPI information\n");
58 
59 	acpi_print_rsd_ptr(rp);
60 	rsdp = (struct ACPIsdt *) acpi_map_sdt(rp->addr);
61 	if (memcmp(rsdp->signature, "RSDT", 4) ||
62 	    acpi_checksum(rsdp, rsdp->len))
63 		errx(1, "RSDT is corrupted\n");
64 
65 	acpi_handle_rsdt(rsdp);
66 }
67 
68 static void
69 usage(const char *progname)
70 {
71 
72 	printf("usage:\t%s [-o dsdt_file_for_output]\n", progname);
73 	printf("\t%s [-f dsdt_file_for_input]\n", progname);
74 	printf("\t%s [-h]\n", progname);
75 	exit(1);
76 }
77 
78 int
79 main(int argc, char *argv[])
80 {
81 	char	c, *progname;
82 
83 	progname = argv[0];
84 	while ((c = getopt(argc, argv, "f:o:h")) != -1) {
85 		switch (c) {
86 		case 'f':
87 			asl_dump_from_file(optarg);
88 			return (0);
89 		case 'o':
90 			aml_dumpfile = optarg;
91 			break;
92 		case 'h':
93 			usage(progname);
94 			break;
95 		default:
96 			argc -= optind;
97 			argv += optind;
98 		}
99 	}
100 
101 	asl_dump_from_devmem();
102 	return (0);
103 }
104