// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /****************************************************************************** * * Module Name: apmain - Main module for the acpidump utility * * Copyright (C) 2000 - 2025, Intel Corp. *
*****************************************************************************/
#define _DECLARE_GLOBALS #include"acpidump.h"
/* * acpidump - A portable utility for obtaining system ACPI tables and dumping * them in an ASCII hex format suitable for binary extraction via acpixtract. * * Obtaining the system ACPI tables is an OS-specific operation. * * This utility can be ported to any host operating system by providing a * module containing system-specific versions of these interfaces: * * acpi_os_get_table_by_address * acpi_os_get_table_by_index * acpi_os_get_table_by_name * * See the ACPICA Reference Guide for the exact definitions of these * interfaces. Also, see these ACPICA source code modules for example * implementations: * * source/os_specific/service_layers/oswintbl.c * source/os_specific/service_layers/oslinuxtbl.c
*/
/****************************************************************************** * * FUNCTION: ap_display_usage * * DESCRIPTION: Usage message for the acpi_dump utility *
******************************************************************************/
staticvoid ap_display_usage(void)
{
ACPI_USAGE_HEADER("acpidump [options]");
ACPI_OPTION("-b", "Dump tables to binary files");
ACPI_OPTION("-h -?", "This help message");
ACPI_OPTION("-o <File>", "Redirect output to file");
ACPI_OPTION("-r <Address>", "Dump tables from specified RSDP");
ACPI_OPTION("-s", "Print table summaries only");
ACPI_OPTION("-v", "Display version information");
ACPI_OPTION("-vd", "Display build date and time");
ACPI_OPTION("-z", "Verbose mode");
ACPI_USAGE_TEXT("\nTable Options:\n");
ACPI_OPTION("-a <Address>", "Get table via a physical address");
ACPI_OPTION("-c <on|off>", "Turning on/off customized table dumping");
ACPI_OPTION("-f <BinaryFile>", "Get table via a binary file");
ACPI_OPTION("-n <Signature>", "Get table via a name/signature");
ACPI_OPTION("-x", "Do not use but dump XSDT");
ACPI_OPTION("-x -x", "Do not use or dump XSDT");
ACPI_USAGE_TEXT("\n" "Invocation without parameters dumps all available tables\n" "Multiple mixed instances of -a, -f, and -n are supported\n\n");
}
/****************************************************************************** * * FUNCTION: ap_insert_action * * PARAMETERS: argument - Pointer to the argument for this action * to_be_done - What to do to process this action * * RETURN: Status * * DESCRIPTION: Add an action item to the action table *
******************************************************************************/
current_action++; if (current_action > AP_MAX_ACTIONS) {
fprintf(stderr, "Too many table options (max %d)\n",
AP_MAX_ACTIONS); return (-1);
}
return (0);
}
/****************************************************************************** * * FUNCTION: ap_do_options * * PARAMETERS: argc/argv - Standard argc/argv * * RETURN: Status * * DESCRIPTION: Command line option processing. The main actions for getting * and dumping tables are deferred via the action table. *
*****************************************************************************/
staticint ap_do_options(int argc, char **argv)
{ int j;
acpi_status status;
/* Command line options */
while ((j =
acpi_getopt(argc, argv, AP_SUPPORTED_OPTIONS)) != ACPI_OPT_END) switch (j) { /* * Global options
*/ case'b': /* Dump all input tables to binary files */
if (ap_open_output_file(acpi_gbl_optarg)) { return (-1);
} continue;
case'r': /* Dump tables from specified RSDP */
status =
acpi_ut_strtoul64(acpi_gbl_optarg, &gbl_rsdp_base); if (ACPI_FAILURE(status)) {
fprintf(stderr, "%s: Could not convert to a physical address\n",
acpi_gbl_optarg); return (-1);
} continue;
/* * Table options
*/ case'a': /* Get table by physical address */
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_ADDRESS)) { return (-1);
} break;
case'f': /* Get table from a file */
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_FILE)) { return (-1);
} break;
case'n': /* Get table by input name (signature) */
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_NAME)) { return (-1);
} break;
default:
ap_display_usage(); return (-1);
}
/* If there are no actions, this means "get/dump all tables" */
if (current_action == 0) { if (ap_insert_action(NULL, AP_DUMP_ALL_TABLES)) { return (-1);
}
}
return (0);
}
/****************************************************************************** * * FUNCTION: main * * PARAMETERS: argc/argv - Standard argc/argv * * RETURN: Status * * DESCRIPTION: C main function for acpidump utility *
******************************************************************************/
#if !defined(_GNU_EFI) && !defined(_EDK2_EFI) int ACPI_SYSTEM_XFACE main(int argc, char *argv[]) #else int ACPI_SYSTEM_XFACE acpi_main(int argc, char *argv[]) #endif
{ int status = 0; struct ap_dump_action *action;
u32 file_size;
u32 i;
ACPI_DEBUG_INITIALIZE(); /* For debug version only */
acpi_os_initialize();
gbl_output_file = ACPI_FILE_OUT;
acpi_gbl_integer_byte_width = 8;
/* Process command line options */
status = ap_do_options(argc, argv); if (status > 0) { return (0);
} if (status < 0) { return (status);
}
/* Get/dump ACPI table(s) as requested */
for (i = 0; i < current_action; i++) {
action = &action_table[i]; switch (action->to_be_done) { case AP_DUMP_ALL_TABLES:
status = ap_dump_all_tables(); break;
case AP_DUMP_TABLE_BY_ADDRESS:
status = ap_dump_table_by_address(action->argument); break;
case AP_DUMP_TABLE_BY_NAME:
status = ap_dump_table_by_name(action->argument); break;
case AP_DUMP_TABLE_BY_FILE:
status = ap_dump_table_from_file(action->argument); break;
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