diff options
Diffstat (limited to 'usr.sbin/acpi/acpidump/acpidump.c')
| -rw-r--r-- | usr.sbin/acpi/acpidump/acpidump.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/usr.sbin/acpi/acpidump/acpidump.c b/usr.sbin/acpi/acpidump/acpidump.c new file mode 100644 index 000000000000..477b56958d1f --- /dev/null +++ b/usr.sbin/acpi/acpidump/acpidump.c @@ -0,0 +1,160 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2000 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. + */ + +#include <sys/param.h> +#include <assert.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "acpidump.h" + +int dflag; /* Disassemble AML using iasl(8) */ +int tflag; /* Dump contents of SDT tables */ +int vflag; /* Use verbose messages */ + +static void +usage(const char *progname) +{ + + fprintf(stderr, "usage: %s [-d] [-t] [-h] [-v] [-f dsdt_input] " + "[-o dsdt_output] [-T table_name]\n", progname); + fprintf(stderr, "To send ASL:\n\t%s -dt | gzip -c9 > foo.asl.gz\n", + progname); + exit(1); +} + +int +main(int argc, char *argv[]) +{ + ACPI_TABLE_HEADER *rsdt, *sdt; + int c; + char *progname; + char *dsdt_input_file, *dsdt_output_file; + char *tbl = NULL; + + dsdt_input_file = dsdt_output_file = NULL; + progname = argv[0]; + + if (argc < 2) + usage(progname); + + while ((c = getopt(argc, argv, "df:ho:tT:vs")) != -1) { + switch (c) { + case 'd': + dflag = 1; + break; + case 'T': + tbl = optarg; + if (strlen(tbl) != 4) { + warnx("Illegal table name %s", tbl); + usage(progname); + } + break; + case 't': + tflag = 1; + break; + case 'v': + vflag = 1; + break; + case 'f': + dsdt_input_file = optarg; + break; + case 'o': + dsdt_output_file = optarg; + break; + case 's': + dflag = 2; + break; + case 'h': + default: + usage(progname); + /* NOTREACHED */ + } + } + argc -= optind; + argv += optind; + + /* Get input either from file or /dev/mem */ + if (dsdt_input_file != NULL) { + if (dflag == 0 && tflag == 0) { + warnx("Need to specify -d or -t with DSDT input file"); + usage(progname); + } else if (tflag != 0) { + warnx("Can't use -t with DSDT input file"); + usage(progname); + } + if (vflag) + warnx("loading DSDT file: %s", dsdt_input_file); + rsdt = dsdt_load_file(dsdt_input_file); + } else { + if (vflag) + warnx("loading RSD PTR from /dev/mem"); + rsdt = sdt_load_devmem(); + } + + /* Display misc. SDT tables (only available when using /dev/mem) */ + if (tflag || tbl != NULL) { + if (vflag) + warnx("printing various SDT tables"); + sdt_print_all(rsdt, tbl); + } + + /* Translate RSDT to DSDT pointer */ + if (dsdt_input_file == NULL) { + sdt = sdt_from_rsdt(rsdt, ACPI_SIG_FADT, NULL); + sdt = dsdt_from_fadt((ACPI_TABLE_FADT *)sdt); + } else { + sdt = rsdt; + rsdt = NULL; + } + + /* Dump the DSDT and SSDTs to a file */ + if (dsdt_output_file != NULL) { + if (vflag) + warnx("saving DSDT file: %s", dsdt_output_file); + dsdt_save_file(dsdt_output_file, rsdt, sdt); + } + + /* Disassemble the DSDT into ASL */ + if (dflag) { + if (vflag) + warnx("disassembling DSDT, iasl messages follow"); + if (dflag == 1) { + aml_disassemble(rsdt, sdt); + } else { + aml_disassemble_separate(rsdt, sdt); + } + if (vflag) + warnx("iasl processing complete"); + } + + exit(0); +} |