/*******************************************************************************
*
* FUNCTION: acpi_initialize_subsystem
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initializes all global variables. This is the first function
* called, so any early initialization belongs here.
*
******************************************************************************/
acpi_status __init acpi_initialize_subsystem(void)
{
acpi_status status;
ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;
ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
/* Initialize the OS-Dependent layer */
status = acpi_os_initialize();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
return_ACPI_STATUS(status);
}
/* Initialize all globals used by the subsystem */
status = acpi_ut_init_globals();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"During initialization of globals"));
return_ACPI_STATUS(status);
}
/* Create the default mutex objects */
status = acpi_ut_mutex_initialize();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"During Global Mutex creation"));
return_ACPI_STATUS(status);
}
/*
* Initialize the namespace manager and
* the root of the namespace tree
*/
status = acpi_ns_root_initialize();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"During Namespace initialization"));
return_ACPI_STATUS(status);
}
/* Initialize the global OSI interfaces list with the static names */
status = acpi_ut_initialize_interfaces();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"During OSI interfaces initialization"));
return_ACPI_STATUS(status);
}
/* If configured, initialize the AML debugger */
ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());
return_ACPI_STATUS(status);
}
acpi_status
acpi_initialize_subsystem (
void)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("acpi_initialize_subsystem");
ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ());
/* Initialize all globals used by the subsystem */
acpi_ut_init_globals ();
/* Initialize the OS-Dependent layer */
status = acpi_os_initialize ();
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("OSD failed to initialize, %s\n",
acpi_format_exception (status)));
return_ACPI_STATUS (status);
}
/* Create the default mutex objects */
status = acpi_ut_mutex_initialize ();
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Global mutex creation failure, %s\n",
acpi_format_exception (status)));
return_ACPI_STATUS (status);
}
/*
* Initialize the namespace manager and
* the root of the namespace tree
*/
status = acpi_ns_root_initialize ();
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Namespace initialization failure, %s\n",
acpi_format_exception (status)));
return_ACPI_STATUS (status);
}
/* If configured, initialize the AML debugger */
ACPI_DEBUGGER_EXEC (status = acpi_db_initialize ());
return_ACPI_STATUS (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_initialize_subsystem
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initializes all global variables. This is the first function
* called, so any early initialization belongs here.
*
******************************************************************************/
acpi_status acpi_initialize_subsystem(void)
{
acpi_status status;
ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
/* Initialize the OS-Dependent layer */
status = acpi_os_initialize();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
return_ACPI_STATUS(status);
}
/* Initialize all globals used by the subsystem */
/* 初始化全局变量 */
acpi_ut_init_globals();
/* Create the default mutex objects */
/* 创建互斥锁 */
status = acpi_ut_mutex_initialize();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"During Global Mutex creation"));
return_ACPI_STATUS(status);
}
/*
* Initialize the namespace manager and
* the root of the namespace tree
*/
/* 初始化ACPI的命名空间 */
status = acpi_ns_root_initialize();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"During Namespace initialization"));
return_ACPI_STATUS(status);
}
/* If configured, initialize the AML debugger */
ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());
return_ACPI_STATUS(status);
}
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);
}