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      1 /*	$NetBSD: amldb.c,v 1.5 2020/08/20 15:54:12 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 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: amldb.c,v 1.8 2000/08/08 14:12:24 iwasaki Exp
     29  *	$FreeBSD: src/usr.sbin/acpi/amldb/amldb.c,v 1.3 2001/10/22 17:25:32 iwasaki Exp $
     30  */
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: amldb.c,v 1.5 2020/08/20 15:54:12 riastradh Exp $");
     33 
     34 #include <sys/param.h>
     35 #include <sys/mman.h>
     36 #include <sys/stat.h>
     37 
     38 #include <acpi_common.h>
     39 #include <aml/aml_amlmem.h>
     40 #include <aml/aml_common.h>
     41 #include <aml/aml_env.h>
     42 #include <aml/aml_parse.h>
     43 #include <aml/aml_region.h>
     44 
     45 #include <assert.h>
     46 #include <err.h>
     47 #include <fcntl.h>
     48 #include <stdio.h>
     49 #include <string.h>
     50 #include <unistd.h>
     51 #include <stdlib.h>
     52 
     53 #include "debug.h"
     54 
     55 int	regdump_enabled = 0;
     56 int	memstat_enabled = 0;
     57 int	showtree_enabled = 0;
     58 
     59 static void     aml_init_namespace(void);
     60 
     61 void
     62 aml_init_namespace(void)
     63 {
     64 	struct	aml_environ env;
     65 	struct	aml_name *newname;
     66 
     67 	aml_new_name_group((void *)AML_NAME_GROUP_OS_DEFINED);
     68 	env.curname = aml_get_rootname();
     69 	newname = aml_create_name(&env, (const u_int8_t *)"\\_OS_");
     70 	newname->property = aml_alloc_object(aml_t_string, NULL);
     71 	newname->property->str.needfree = 0;
     72 	newname->property->str.string = __UNCONST("Microsoft Windows NT");
     73 }
     74 
     75 static int
     76 load_dsdt(const char *dsdtfile)
     77 {
     78 	struct aml_environ	env;
     79 	u_int8_t		*code;
     80 	struct stat		sb;
     81 	int			fd;
     82 
     83 	printf("Loading %s...", dsdtfile);
     84 
     85 	fd = open(dsdtfile, O_RDONLY, 0);
     86 	if (fd == -1) {
     87 		perror("open");
     88 		exit(-1);
     89 	}
     90 	if (fstat(fd, &sb) == -1) {
     91 		perror("fstat");
     92 		exit(-1);
     93 	}
     94 	if ((code = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0)) ==
     95 	    MAP_FAILED) {
     96 		perror("mmap");
     97 		exit(-1);
     98 	}
     99 	aml_init_namespace();
    100 
    101 	aml_new_name_group(code);
    102 	bzero(&env, sizeof(env));
    103 
    104 #define SIZEOF_SDT_HDR 36	/* struct size except body */
    105 	if (strncmp((const char *)code, "DSDT", 4) == 0) {
    106 		env.dp = code + SIZEOF_SDT_HDR;
    107 	} else {
    108 		env.dp = code;
    109 	}
    110 	env.end = code + sb.st_size;
    111 	env.curname = aml_get_rootname();
    112 
    113 	aml_local_stack_push(aml_local_stack_create());
    114 	aml_parse_objectlist(&env, 0);
    115 	aml_local_stack_delete(aml_local_stack_pop());
    116 
    117 	assert(env.dp == env.end);
    118 	env.dp = code;
    119 	env.end = code + sb.st_size;
    120 
    121 	printf("done\n");
    122 
    123 	aml_debug = 1;		/* debug print enabled */
    124 
    125 	if (showtree_enabled == 1) {
    126 		aml_showtree(env.curname, 0);
    127 	}
    128 	do {
    129 		aml_dbgr(&env, &env);
    130 	} while (env.stat != aml_stat_panic);
    131 
    132 	aml_debug = 0;		/* debug print disabled */
    133 
    134 	if (regdump_enabled == 1) {
    135 		aml_simulation_regdump("region.dmp");
    136 	}
    137 	while (name_group_list->id != AML_NAME_GROUP_ROOT) {
    138 		aml_delete_name_group(name_group_list);
    139 	}
    140 
    141 	if (memstat_enabled == 1) {
    142 		memman_statistics(aml_memman);
    143 	}
    144 	memman_freeall(aml_memman);
    145 
    146 	return (0);
    147 }
    148 
    149 __dead static void
    150 usage(const char *progname)
    151 {
    152 
    153 	printf("usage: %s [-d] [-s] [-t] [-h] dsdt_files...\n", progname);
    154 	exit(1);
    155 }
    156 
    157 int
    158 main(int argc, char *argv[])
    159 {
    160 	char	*progname;
    161 	int	c, i;
    162 
    163 	progname = argv[0];
    164 	while ((c = getopt(argc, argv, "dsth")) != -1) {
    165 		switch (c) {
    166 		case 'd':
    167 			regdump_enabled = 1;
    168 			break;
    169 		case 's':
    170 			memstat_enabled = 1;
    171 			break;
    172 		case 't':
    173 			showtree_enabled = 1;
    174 			break;
    175 		case 'h':
    176 		default:
    177 			usage(progname);
    178 			/* NOTREACHED */
    179 		}
    180 	}
    181 	argc -= optind;
    182 	argv += optind;
    183 
    184 	if (argc == 0) {
    185 		usage(progname);
    186 	}
    187 	for (i = 0; i < argc; i++) {
    188 		load_dsdt(argv[i]);
    189 	}
    190 
    191 	return (0);
    192 }
    193