blob: 77120ec9ea860385cf5e3adddd530f83fc790a7f [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/******************************************************************************
2 *
3 * Module Name: utinit - Common ACPI subsystem initialization
4 *
5 *****************************************************************************/
6
7/*
Bob Moorefbb7a2d2014-02-08 09:42:25 +08008 * Copyright (C) 2000 - 2014, Intel Corp.
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#include <acpi/acpi.h>
Len Browne2f7a772009-01-09 00:30:03 -050045#include "accommon.h"
46#include "acnamesp.h"
47#include "acevents.h"
48#include "actables.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
50#define _COMPONENT ACPI_UTILITIES
Len Brown4be44fc2005-08-05 00:44:28 -040051ACPI_MODULE_NAME("utinit")
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Robert Moore44f6c012005-04-18 22:49:35 -040053/* Local prototypes */
Len Brown4be44fc2005-08-05 00:44:28 -040054static void acpi_ut_terminate(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
Bob Moore33620c52012-02-14 18:14:27 +080056#if (!ACPI_REDUCED_HARDWARE)
57
58static void acpi_ut_free_gpe_lists(void);
59
60#else
61
62#define acpi_ut_free_gpe_lists()
63#endif /* !ACPI_REDUCED_HARDWARE */
64
65#if (!ACPI_REDUCED_HARDWARE)
Linus Torvalds1da177e2005-04-16 15:20:36 -070066/******************************************************************************
67 *
Bob Moore33620c52012-02-14 18:14:27 +080068 * FUNCTION: acpi_ut_free_gpe_lists
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 *
70 * PARAMETERS: none
71 *
72 * RETURN: none
73 *
Bob Moore33620c52012-02-14 18:14:27 +080074 * DESCRIPTION: Free global GPE lists
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 *
76 ******************************************************************************/
77
Bob Moore33620c52012-02-14 18:14:27 +080078static void acpi_ut_free_gpe_lists(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070079{
Len Brown4be44fc2005-08-05 00:44:28 -040080 struct acpi_gpe_block_info *gpe_block;
81 struct acpi_gpe_block_info *next_gpe_block;
82 struct acpi_gpe_xrupt_info *gpe_xrupt_info;
83 struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 /* Free global GPE blocks and related info structures */
86
87 gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
88 while (gpe_xrupt_info) {
89 gpe_block = gpe_xrupt_info->gpe_block_list_head;
90 while (gpe_block) {
91 next_gpe_block = gpe_block->next;
Bob Moore83135242006-10-03 00:00:00 -040092 ACPI_FREE(gpe_block->event_info);
93 ACPI_FREE(gpe_block->register_info);
94 ACPI_FREE(gpe_block);
Linus Torvalds1da177e2005-04-16 15:20:36 -070095
96 gpe_block = next_gpe_block;
97 }
98 next_gpe_xrupt_info = gpe_xrupt_info->next;
Bob Moore83135242006-10-03 00:00:00 -040099 ACPI_FREE(gpe_xrupt_info);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 gpe_xrupt_info = next_gpe_xrupt_info;
101 }
Bob Moore33620c52012-02-14 18:14:27 +0800102}
103#endif /* !ACPI_REDUCED_HARDWARE */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104
Lv Zhenge8c038a2014-07-08 10:06:39 +0800105/*******************************************************************************
106 *
107 * FUNCTION: acpi_ut_init_globals
108 *
109 * PARAMETERS: None
110 *
111 * RETURN: Status
112 *
113 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
114 * initialization should be initialized here. This allows for
115 * a warm restart.
116 *
117 ******************************************************************************/
118
119acpi_status acpi_ut_init_globals(void)
120{
121 acpi_status status;
122 u32 i;
123
124 ACPI_FUNCTION_TRACE(ut_init_globals);
125
126 /* Create all memory caches */
127
128 status = acpi_ut_create_caches();
129 if (ACPI_FAILURE(status)) {
130 return_ACPI_STATUS(status);
131 }
132
133 /* Address Range lists */
134
135 for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) {
136 acpi_gbl_address_range_list[i] = NULL;
137 }
138
139 /* Mutex locked flags */
140
141 for (i = 0; i < ACPI_NUM_MUTEX; i++) {
142 acpi_gbl_mutex_info[i].mutex = NULL;
143 acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
144 acpi_gbl_mutex_info[i].use_count = 0;
145 }
146
147 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {
148 acpi_gbl_owner_id_mask[i] = 0;
149 }
150
151 /* Last owner_ID is never valid */
152
153 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
154
155 /* Event counters */
156
157 acpi_method_count = 0;
158 acpi_sci_count = 0;
159 acpi_gpe_count = 0;
160
161 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
162 acpi_fixed_event_count[i] = 0;
163 }
164
165#if (!ACPI_REDUCED_HARDWARE)
166
167 /* GPE/SCI support */
168
169 acpi_gbl_all_gpes_initialized = FALSE;
170 acpi_gbl_gpe_xrupt_list_head = NULL;
171 acpi_gbl_gpe_fadt_blocks[0] = NULL;
172 acpi_gbl_gpe_fadt_blocks[1] = NULL;
173 acpi_current_gpe_count = 0;
174
175 acpi_gbl_global_event_handler = NULL;
176 acpi_gbl_sci_handler_list = NULL;
177
178#endif /* !ACPI_REDUCED_HARDWARE */
179
180 /* Global handlers */
181
182 acpi_gbl_global_notify[0].handler = NULL;
183 acpi_gbl_global_notify[1].handler = NULL;
184 acpi_gbl_exception_handler = NULL;
185 acpi_gbl_init_handler = NULL;
186 acpi_gbl_table_handler = NULL;
187 acpi_gbl_interface_handler = NULL;
188
189 /* Global Lock support */
190
191 acpi_gbl_global_lock_semaphore = NULL;
192 acpi_gbl_global_lock_mutex = NULL;
193 acpi_gbl_global_lock_acquired = FALSE;
194 acpi_gbl_global_lock_handle = 0;
195 acpi_gbl_global_lock_present = FALSE;
196
197 /* Miscellaneous variables */
198
199 acpi_gbl_DSDT = NULL;
200 acpi_gbl_cm_single_step = FALSE;
201 acpi_gbl_shutdown = FALSE;
202 acpi_gbl_ns_lookup_count = 0;
203 acpi_gbl_ps_find_count = 0;
204 acpi_gbl_acpi_hardware_present = TRUE;
205 acpi_gbl_last_owner_id_index = 0;
206 acpi_gbl_next_owner_id_offset = 0;
207 acpi_gbl_trace_dbg_level = 0;
208 acpi_gbl_trace_dbg_layer = 0;
209 acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
Lv Zhenge8c038a2014-07-08 10:06:39 +0800210 acpi_gbl_osi_mutex = NULL;
211 acpi_gbl_reg_methods_executed = FALSE;
212
213 /* Hardware oriented */
214
215 acpi_gbl_events_initialized = FALSE;
216 acpi_gbl_system_awake_and_running = TRUE;
217
218 /* Namespace */
219
220 acpi_gbl_module_code_list = NULL;
221 acpi_gbl_root_node = NULL;
222 acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
223 acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
224 acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
225 acpi_gbl_root_node_struct.parent = NULL;
226 acpi_gbl_root_node_struct.child = NULL;
227 acpi_gbl_root_node_struct.peer = NULL;
228 acpi_gbl_root_node_struct.object = NULL;
229
230#ifdef ACPI_DISASSEMBLER
231 acpi_gbl_external_list = NULL;
232 acpi_gbl_num_external_methods = 0;
233 acpi_gbl_resolved_external_methods = 0;
234#endif
235
236#ifdef ACPI_DEBUG_OUTPUT
237 acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
238#endif
239
240#ifdef ACPI_DBG_TRACK_ALLOCATIONS
241 acpi_gbl_display_final_mem_stats = FALSE;
242 acpi_gbl_disable_mem_tracking = FALSE;
243#endif
244
245 ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = FALSE);
246
247 return_ACPI_STATUS(AE_OK);
248}
249
Bob Moore33620c52012-02-14 18:14:27 +0800250/******************************************************************************
251 *
252 * FUNCTION: acpi_ut_terminate
253 *
254 * PARAMETERS: none
255 *
256 * RETURN: none
257 *
258 * DESCRIPTION: Free global memory
259 *
260 ******************************************************************************/
261
262static void acpi_ut_terminate(void)
263{
264 ACPI_FUNCTION_TRACE(ut_terminate);
265
266 acpi_ut_free_gpe_lists();
Lin Mingf654c0f2012-01-12 13:10:32 +0800267 acpi_ut_delete_address_lists();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700268 return_VOID;
269}
270
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271/*******************************************************************************
272 *
273 * FUNCTION: acpi_ut_subsystem_shutdown
274 *
Bob Moore2f977b32009-07-24 11:25:16 +0800275 * PARAMETERS: None
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276 *
Bob Moore2f977b32009-07-24 11:25:16 +0800277 * RETURN: None
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278 *
Bob Moore2f977b32009-07-24 11:25:16 +0800279 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
280 * objects here, because the AML debugger may be still running.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 *
282 ******************************************************************************/
283
Len Brown4be44fc2005-08-05 00:44:28 -0400284void acpi_ut_subsystem_shutdown(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285{
Bob Mooreb229cf92006-04-21 17:15:00 -0400286 ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287
Bob Mooree20a6792008-04-10 19:06:38 +0400288#ifndef ACPI_ASL_COMPILER
289
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290 /* Close the acpi_event Handling */
291
Len Brown4be44fc2005-08-05 00:44:28 -0400292 acpi_ev_terminate();
Lin Mingb0ed7a92010-08-06 09:35:51 +0800293
294 /* Delete any dynamic _OSI interfaces */
295
296 acpi_ut_interface_terminate();
Bob Mooree20a6792008-04-10 19:06:38 +0400297#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298
299 /* Close the Namespace */
300
Len Brown4be44fc2005-08-05 00:44:28 -0400301 acpi_ns_terminate();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302
Bob Mooref3d2e782007-02-02 19:48:18 +0300303 /* Delete the ACPI tables */
304
305 acpi_tb_terminate();
306
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307 /* Close the globals */
308
Len Brown4be44fc2005-08-05 00:44:28 -0400309 acpi_ut_terminate();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310
311 /* Purge the local caches */
312
Len Brown4be44fc2005-08-05 00:44:28 -0400313 (void)acpi_ut_delete_caches();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314 return_VOID;
315}