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1/******************************************************************************
2 *
3 * Module Name: utinit - Common ACPI subsystem initialization
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2016, Intel Corp.
9 * 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
44#include <acpi/acpi.h>
45#include "accommon.h"
46#include "acnamesp.h"
47#include "acevents.h"
48#include "actables.h"
49
50#define _COMPONENT ACPI_UTILITIES
51ACPI_MODULE_NAME("utinit")
52
53/* Local prototypes */
54static void acpi_ut_terminate(void);
55
56#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)
66/******************************************************************************
67 *
68 * FUNCTION: acpi_ut_free_gpe_lists
69 *
70 * PARAMETERS: none
71 *
72 * RETURN: none
73 *
74 * DESCRIPTION: Free global GPE lists
75 *
76 ******************************************************************************/
77
78static void acpi_ut_free_gpe_lists(void)
79{
80 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;
84
85 /* 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;
92 ACPI_FREE(gpe_block->event_info);
93 ACPI_FREE(gpe_block->register_info);
94 ACPI_FREE(gpe_block);
95
96 gpe_block = next_gpe_block;
97 }
98 next_gpe_xrupt_info = gpe_xrupt_info->next;
99 ACPI_FREE(gpe_xrupt_info);
100 gpe_xrupt_info = next_gpe_xrupt_info;
101 }
102}
103#endif /* !ACPI_REDUCED_HARDWARE */
104
105/*******************************************************************************
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_debugger_configuration = DEBUGGER_THREADING;
208 acpi_gbl_osi_mutex = NULL;
209 acpi_gbl_max_loop_iterations = 0xFFFF;
210
211 /* Hardware oriented */
212
213 acpi_gbl_events_initialized = FALSE;
214 acpi_gbl_system_awake_and_running = TRUE;
215
216 /* Namespace */
217
218 acpi_gbl_module_code_list = NULL;
219 acpi_gbl_root_node = NULL;
220 acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
221 acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
222 acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
223 acpi_gbl_root_node_struct.parent = NULL;
224 acpi_gbl_root_node_struct.child = NULL;
225 acpi_gbl_root_node_struct.peer = NULL;
226 acpi_gbl_root_node_struct.object = NULL;
227
228#ifdef ACPI_DISASSEMBLER
229 acpi_gbl_external_list = NULL;
230 acpi_gbl_num_external_methods = 0;
231 acpi_gbl_resolved_external_methods = 0;
232#endif
233
234#ifdef ACPI_DEBUG_OUTPUT
235 acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
236#endif
237
238#ifdef ACPI_DBG_TRACK_ALLOCATIONS
239 acpi_gbl_display_final_mem_stats = FALSE;
240 acpi_gbl_disable_mem_tracking = FALSE;
241#endif
242
243 return_ACPI_STATUS(AE_OK);
244}
245
246/******************************************************************************
247 *
248 * FUNCTION: acpi_ut_terminate
249 *
250 * PARAMETERS: none
251 *
252 * RETURN: none
253 *
254 * DESCRIPTION: Free global memory
255 *
256 ******************************************************************************/
257
258static void acpi_ut_terminate(void)
259{
260 ACPI_FUNCTION_TRACE(ut_terminate);
261
262 acpi_ut_free_gpe_lists();
263 acpi_ut_delete_address_lists();
264 return_VOID;
265}
266
267/*******************************************************************************
268 *
269 * FUNCTION: acpi_ut_subsystem_shutdown
270 *
271 * PARAMETERS: None
272 *
273 * RETURN: None
274 *
275 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
276 * objects here, because the AML debugger may be still running.
277 *
278 ******************************************************************************/
279
280void acpi_ut_subsystem_shutdown(void)
281{
282 ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
283
284 /* Just exit if subsystem is already shutdown */
285
286 if (acpi_gbl_shutdown) {
287 ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated"));
288 return_VOID;
289 }
290
291 /* Subsystem appears active, go ahead and shut it down */
292
293 acpi_gbl_shutdown = TRUE;
294 acpi_gbl_startup_flags = 0;
295 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
296
297#ifndef ACPI_ASL_COMPILER
298
299 /* Close the acpi_event Handling */
300
301 acpi_ev_terminate();
302
303 /* Delete any dynamic _OSI interfaces */
304
305 acpi_ut_interface_terminate();
306#endif
307
308 /* Close the Namespace */
309
310 acpi_ns_terminate();
311
312 /* Delete the ACPI tables */
313
314 acpi_tb_terminate();
315
316 /* Close the globals */
317
318 acpi_ut_terminate();
319
320 /* Purge the local caches */
321
322 (void)acpi_ut_delete_caches();
323 return_VOID;
324}
1/******************************************************************************
2 *
3 * Module Name: utinit - Common ACPI subsystem initialization
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2012, Intel Corp.
9 * 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
44#include <acpi/acpi.h>
45#include "accommon.h"
46#include "acnamesp.h"
47#include "acevents.h"
48#include "actables.h"
49
50#define _COMPONENT ACPI_UTILITIES
51ACPI_MODULE_NAME("utinit")
52
53/* Local prototypes */
54static void acpi_ut_terminate(void);
55
56#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)
66/******************************************************************************
67 *
68 * FUNCTION: acpi_ut_free_gpe_lists
69 *
70 * PARAMETERS: none
71 *
72 * RETURN: none
73 *
74 * DESCRIPTION: Free global GPE lists
75 *
76 ******************************************************************************/
77
78static void acpi_ut_free_gpe_lists(void)
79{
80 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;
84
85 /* 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;
92 ACPI_FREE(gpe_block->event_info);
93 ACPI_FREE(gpe_block->register_info);
94 ACPI_FREE(gpe_block);
95
96 gpe_block = next_gpe_block;
97 }
98 next_gpe_xrupt_info = gpe_xrupt_info->next;
99 ACPI_FREE(gpe_xrupt_info);
100 gpe_xrupt_info = next_gpe_xrupt_info;
101 }
102}
103#endif /* !ACPI_REDUCED_HARDWARE */
104
105/******************************************************************************
106 *
107 * FUNCTION: acpi_ut_terminate
108 *
109 * PARAMETERS: none
110 *
111 * RETURN: none
112 *
113 * DESCRIPTION: Free global memory
114 *
115 ******************************************************************************/
116
117static void acpi_ut_terminate(void)
118{
119 ACPI_FUNCTION_TRACE(ut_terminate);
120
121 acpi_ut_free_gpe_lists();
122 acpi_ut_delete_address_lists();
123 return_VOID;
124}
125
126/*******************************************************************************
127 *
128 * FUNCTION: acpi_ut_subsystem_shutdown
129 *
130 * PARAMETERS: None
131 *
132 * RETURN: None
133 *
134 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
135 * objects here, because the AML debugger may be still running.
136 *
137 ******************************************************************************/
138
139void acpi_ut_subsystem_shutdown(void)
140{
141 ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
142
143#ifndef ACPI_ASL_COMPILER
144
145 /* Close the acpi_event Handling */
146
147 acpi_ev_terminate();
148
149 /* Delete any dynamic _OSI interfaces */
150
151 acpi_ut_interface_terminate();
152#endif
153
154 /* Close the Namespace */
155
156 acpi_ns_terminate();
157
158 /* Delete the ACPI tables */
159
160 acpi_tb_terminate();
161
162 /* Close the globals */
163
164 acpi_ut_terminate();
165
166 /* Purge the local caches */
167
168 (void)acpi_ut_delete_caches();
169 return_VOID;
170}