diff options
Diffstat (limited to 'drivers/acpi/acpica/utinit.c')
| -rw-r--r-- | drivers/acpi/acpica/utinit.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c index 5f56fc49021e..77120ec9ea86 100644 --- a/drivers/acpi/acpica/utinit.c +++ b/drivers/acpi/acpica/utinit.c @@ -102,6 +102,151 @@ static void acpi_ut_free_gpe_lists(void) } #endif /* !ACPI_REDUCED_HARDWARE */ +/******************************************************************************* + * + * FUNCTION: acpi_ut_init_globals + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Initialize ACPICA globals. All globals that require specific + * initialization should be initialized here. This allows for + * a warm restart. + * + ******************************************************************************/ + +acpi_status acpi_ut_init_globals(void) +{ + acpi_status status; + u32 i; + + ACPI_FUNCTION_TRACE(ut_init_globals); + + /* Create all memory caches */ + + status = acpi_ut_create_caches(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Address Range lists */ + + for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) { + acpi_gbl_address_range_list[i] = NULL; + } + + /* Mutex locked flags */ + + for (i = 0; i < ACPI_NUM_MUTEX; i++) { + acpi_gbl_mutex_info[i].mutex = NULL; + acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; + acpi_gbl_mutex_info[i].use_count = 0; + } + + for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { + acpi_gbl_owner_id_mask[i] = 0; + } + + /* Last owner_ID is never valid */ + + acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; + + /* Event counters */ + + acpi_method_count = 0; + acpi_sci_count = 0; + acpi_gpe_count = 0; + + for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { + acpi_fixed_event_count[i] = 0; + } + +#if (!ACPI_REDUCED_HARDWARE) + + /* GPE/SCI support */ + + acpi_gbl_all_gpes_initialized = FALSE; + acpi_gbl_gpe_xrupt_list_head = NULL; + acpi_gbl_gpe_fadt_blocks[0] = NULL; + acpi_gbl_gpe_fadt_blocks[1] = NULL; + acpi_current_gpe_count = 0; + + acpi_gbl_global_event_handler = NULL; + acpi_gbl_sci_handler_list = NULL; + +#endif /* !ACPI_REDUCED_HARDWARE */ + + /* Global handlers */ + + acpi_gbl_global_notify[0].handler = NULL; + acpi_gbl_global_notify[1].handler = NULL; + acpi_gbl_exception_handler = NULL; + acpi_gbl_init_handler = NULL; + acpi_gbl_table_handler = NULL; + acpi_gbl_interface_handler = NULL; + + /* Global Lock support */ + + acpi_gbl_global_lock_semaphore = NULL; + acpi_gbl_global_lock_mutex = NULL; + acpi_gbl_global_lock_acquired = FALSE; + acpi_gbl_global_lock_handle = 0; + acpi_gbl_global_lock_present = FALSE; + + /* Miscellaneous variables */ + + acpi_gbl_DSDT = NULL; + acpi_gbl_cm_single_step = FALSE; + acpi_gbl_shutdown = FALSE; + acpi_gbl_ns_lookup_count = 0; + acpi_gbl_ps_find_count = 0; + acpi_gbl_acpi_hardware_present = TRUE; + acpi_gbl_last_owner_id_index = 0; + acpi_gbl_next_owner_id_offset = 0; + acpi_gbl_trace_dbg_level = 0; + acpi_gbl_trace_dbg_layer = 0; + acpi_gbl_debugger_configuration = DEBUGGER_THREADING; + acpi_gbl_osi_mutex = NULL; + acpi_gbl_reg_methods_executed = FALSE; + + /* Hardware oriented */ + + acpi_gbl_events_initialized = FALSE; + acpi_gbl_system_awake_and_running = TRUE; + + /* Namespace */ + + acpi_gbl_module_code_list = NULL; + acpi_gbl_root_node = NULL; + acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; + acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED; + acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; + acpi_gbl_root_node_struct.parent = NULL; + acpi_gbl_root_node_struct.child = NULL; + acpi_gbl_root_node_struct.peer = NULL; + acpi_gbl_root_node_struct.object = NULL; + +#ifdef ACPI_DISASSEMBLER + acpi_gbl_external_list = NULL; + acpi_gbl_num_external_methods = 0; + acpi_gbl_resolved_external_methods = 0; +#endif + +#ifdef ACPI_DEBUG_OUTPUT + acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX); +#endif + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + acpi_gbl_display_final_mem_stats = FALSE; + acpi_gbl_disable_mem_tracking = FALSE; +#endif + + ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = FALSE); + + return_ACPI_STATUS(AE_OK); +} + /****************************************************************************** * * FUNCTION: acpi_ut_terminate |