/*      $NetBSD: amldb.c,v 1.5 2020/08/20 15:54:12 riastradh Exp $      */

/*-
 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      Id: amldb.c,v 1.8 2000/08/08 14:12:24 iwasaki Exp 
 *      $FreeBSD: src/usr.sbin/acpi/amldb/amldb.c,v 1.3 2001/10/22 17:25:32 iwasaki Exp $
 */
#include <sys/cdefs.h>
__RCSID("$NetBSD: amldb.c,v 1.5 2020/08/20 15:54:12 riastradh Exp $");

#include <sys/param.h>
#include <sys/mman.h>
#include <sys/stat.h>

#include <acpi_common.h>
#include <aml/aml_amlmem.h>
#include <aml/aml_common.h>
#include <aml/aml_env.h>
#include <aml/aml_parse.h>
#include <aml/aml_region.h>

#include <assert.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>

#include "debug.h"

int     regdump_enabled = 0;
int     memstat_enabled = 0;
int     showtree_enabled = 0;

static void     aml_init_namespace(void);

void
aml_init_namespace(void)
{
        struct  aml_environ env;
        struct  aml_name *newname;

        aml_new_name_group((void *)AML_NAME_GROUP_OS_DEFINED);
        env.curname = aml_get_rootname();
        newname = aml_create_name(&env, (const u_int8_t *)"\\_OS_");
        newname->property = aml_alloc_object(aml_t_string, NULL);
        newname->property->str.needfree = 0;
        newname->property->str.string = __UNCONST("Microsoft Windows NT");
}

static int
load_dsdt(const char *dsdtfile)
{
        struct aml_environ      env;
        u_int8_t                *code;
        struct stat             sb;
        int                     fd;

        printf("Loading %s...", dsdtfile);

        fd = open(dsdtfile, O_RDONLY, 0);
        if (fd == -1) {
                perror("open");
                exit(-1);
        }
        if (fstat(fd, &sb) == -1) {
                perror("fstat");
                exit(-1);
        }
        if ((code = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0)) ==
            MAP_FAILED) {
                perror("mmap");
                exit(-1);
        }
        aml_init_namespace();

        aml_new_name_group(code);
        bzero(&env, sizeof(env));

#define SIZEOF_SDT_HDR 36       /* struct size except body */
        if (strncmp((const char *)code, "DSDT", 4) == 0) {
                env.dp = code + SIZEOF_SDT_HDR;
        } else {
                env.dp = code;
        }
        env.end = code + sb.st_size;
        env.curname = aml_get_rootname();

        aml_local_stack_push(aml_local_stack_create());
        aml_parse_objectlist(&env, 0);
        aml_local_stack_delete(aml_local_stack_pop());

        assert(env.dp == env.end);
        env.dp = code;
        env.end = code + sb.st_size;

        printf("done\n");

        aml_debug = 1;          /* debug print enabled */

        if (showtree_enabled == 1) {
                aml_showtree(env.curname, 0);
        }
        do {
                aml_dbgr(&env, &env);
        } while (env.stat != aml_stat_panic);

        aml_debug = 0;          /* debug print disabled */

        if (regdump_enabled == 1) {
                aml_simulation_regdump("region.dmp");
        }
        while (name_group_list->id != AML_NAME_GROUP_ROOT) {
                aml_delete_name_group(name_group_list);
        }

        if (memstat_enabled == 1) {
                memman_statistics(aml_memman);
        }
        memman_freeall(aml_memman);

        return (0);
}

__dead static void
usage(const char *progname)
{

        printf("usage: %s [-d] [-s] [-t] [-h] dsdt_files...\n", progname);
        exit(1);
}

int
main(int argc, char *argv[])
{
        char    *progname;
        int     c, i;

        progname = argv[0];
        while ((c = getopt(argc, argv, "dsth")) != -1) {
                switch (c) {
                case 'd':
                        regdump_enabled = 1;
                        break;
                case 's':
                        memstat_enabled = 1;
                        break;
                case 't':
                        showtree_enabled = 1;
                        break;
                case 'h':
                default:
                        usage(progname);
                        /* NOTREACHED */
                }
        }
        argc -= optind;
        argv += optind;

        if (argc == 0) {
                usage(progname);
        }
        for (i = 0; i < argc; i++) {
                load_dsdt(argv[i]);
        }

        return (0);
}