Quelle apmain.c
Sprache: C
// 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
*/
/* Local prototypes */
static void ap_display_usage(void );
static int ap_do_options(int argc, char **argv);
static int ap_insert_action(char *argument, u32 to_be_done);
/* Table for deferred actions from command line options */
struct ap_dump_action action_table[AP_MAX_ACTIONS];
u32 current_action = 0 ;
#define AP_UTILITY_NAME "ACPI Binary Table Dump Utility"
#define AP_SUPPORTED_OPTIONS "?a:bc:f:hn:o:r:sv^xz"
/******************************************************************************
*
* FUNCTION : ap_display_usage
*
* DESCRIPTION : Usage message for the acpi_dump utility
*
******************************************************************************/
static void 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
*
******************************************************************************/
static int ap_insert_action(char *argument, u32 to_be_done)
{
/* Insert action and check for table overflow */
action_table[current_action].argument = argument;
action_table[current_action].to_be_done = to_be_done;
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 .
*
*****************************************************************************/
static int 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 */
gbl_binary_mode = TRUE ;
continue ;
case 'c' : /* Dump customized tables */
if (!strcmp(acpi_gbl_optarg, "on" )) {
gbl_dump_customized_tables = TRUE ;
} else if (!strcmp(acpi_gbl_optarg, "off" )) {
gbl_dump_customized_tables = FALSE ;
} else {
fprintf(stderr,
"%s: Cannot handle this switch, please use on|off\n" ,
acpi_gbl_optarg);
return (-1 );
}
continue ;
case 'h' :
case '?' :
ap_display_usage();
return (1 );
case 'o' : /* Redirect output to a single file */
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 ;
case 's' : /* Print table summaries only */
gbl_summary_mode = TRUE ;
continue ;
case 'x' : /* Do not use XSDT */
if (!acpi_gbl_do_not_use_xsdt) {
acpi_gbl_do_not_use_xsdt = TRUE ;
} else {
gbl_do_not_dump_xsdt = TRUE ;
}
continue ;
case 'v' : /* -v: (Version): signon already emitted, just exit */
switch (acpi_gbl_optarg[0 ]) {
case '^' : /* -v: (Version) */
fprintf(stderr,
ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
return (1 );
case 'd' :
fprintf(stderr,
ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
printf(ACPI_COMMON_BUILD_TIME);
return (1 );
default :
printf("Unknown option: -v%s\n" ,
acpi_gbl_optarg);
return (-1 );
}
break ;
case 'z' : /* Verbose mode */
gbl_verbose_mode = TRUE ;
fprintf(stderr, ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
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 ;
default :
fprintf(stderr,
"Internal error, invalid action: 0x%X\n" ,
action->to_be_done);
return (-1 );
}
if (status) {
return (status);
}
}
if (gbl_output_filename) {
if (gbl_verbose_mode) {
/* Summary for the output file */
file_size = cm_get_file_size(gbl_output_file);
fprintf(stderr,
"Output file %s contains 0x%X (%u) bytes\n\n" ,
gbl_output_filename, file_size, file_size);
}
fclose(gbl_output_file);
}
return (status);
}
Messung V0.5 in Prozent C=92 H=97 G=94
¤ Dauer der Verarbeitung: 0.7 Sekunden
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2026-10-11
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