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acpidump.c revision 1.1
      1 /*	$NetBSD: acpidump.c,v 1.1 2007/01/14 04:36:13 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki (at) FreeBSD.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  *	Id: acpidump.c,v 1.3 2000/08/08 14:12:21 iwasaki Exp
     29  *	$FreeBSD: src/usr.sbin/acpi/acpidump/acpidump.c,v 1.5 2002/01/02 07:01:34 msmith Exp $
     30  */
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: acpidump.c,v 1.1 2007/01/14 04:36:13 christos Exp $");
     33 
     34 #include <sys/param.h>
     35 
     36 #include <assert.h>
     37 #include <err.h>
     38 #include <stdio.h>
     39 #include <unistd.h>
     40 #include <stdlib.h>
     41 #include <string.h>
     42 
     43 #include <acpi_common.h>
     44 #include "acpidump.h"
     45 
     46 static void
     47 asl_dump_from_file(char *file)
     48 {
     49 	u_int8_t	*dp;
     50 	u_int8_t	*end;
     51 
     52 	acpi_load_dsdt(file, &dp, &end);
     53 	acpi_dump_dsdt(dp, end);
     54 }
     55 
     56 static void
     57 asl_dump_from_devmem(void)
     58 {
     59 	struct	ACPIrsdp *rp;
     60 	struct	ACPIsdt *rsdp;
     61 
     62 	rp = acpi_find_rsd_ptr();
     63 	if (!rp)
     64 		errx(1, "Can't find ACPI information\n");
     65 
     66 	acpi_print_rsd_ptr(rp);
     67 	rsdp = (struct ACPIsdt *) acpi_map_sdt(rp->addr);
     68 	if (memcmp(rsdp->signature, "RSDT", 4) ||
     69 	    acpi_checksum(rsdp, rsdp->len))
     70 		errx(1, "RSDT is corrupted\n");
     71 
     72 	acpi_handle_rsdt(rsdp);
     73 }
     74 
     75 static void
     76 usage(const char *progname)
     77 {
     78 
     79 	printf("usage:\t%s [-r] [-o dsdt_file_for_output]\n", progname);
     80 	printf("\t%s [-r] [-f dsdt_file_for_input]\n", progname);
     81 	printf("\t%s [-h]\n", progname);
     82 	exit(1);
     83 }
     84 
     85 int
     86 main(int argc, char *argv[])
     87 {
     88 	char	c, *progname;
     89 
     90 	progname = argv[0];
     91 	while ((c = getopt(argc, argv, "f:o:hr")) != -1) {
     92 		switch (c) {
     93 		case 'f':
     94 			asl_dump_from_file(optarg);
     95 			return (0);
     96 		case 'o':
     97 			aml_dumpfile = optarg;
     98 			break;
     99 		case 'h':
    100 			usage(progname);
    101 			break;
    102 		case 'r':
    103 			rflag++;
    104 			break;
    105 		default:
    106 			argc -= optind;
    107 			argv += optind;
    108 		}
    109 	}
    110 
    111 	asl_dump_from_devmem();
    112 	return (0);
    113 }
    114