summaryrefslogtreecommitdiff
path: root/drivers/acpi/acpica/utinit.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/acpica/utinit.c')
-rw-r--r--drivers/acpi/acpica/utinit.c145
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