1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
/******************************************************************************
*
* Module Name: utinit - Common ACPI subsystem initialization
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
#include <acpi/actables.h>
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utinit")
/* Local prototypes */
static void
acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset);
static void acpi_ut_terminate(void);
/*******************************************************************************
*
* FUNCTION: acpi_ut_fadt_register_error
*
* PARAMETERS: register_name - Pointer to string identifying register
* Value - Actual register contents value
* Offset - Byte offset in the FADT
*
* RETURN: AE_BAD_VALUE
*
* DESCRIPTION: Display failure message
*
******************************************************************************/
static void
acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset)
{
ACPI_WARNING((AE_INFO,
"Invalid FADT value %s=%X at offset %X in FADT=%p",
register_name, value, offset, &acpi_gbl_FADT));
}
/******************************************************************************
*
* FUNCTION: acpi_ut_validate_fadt
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Validate various ACPI registers in the FADT
*
******************************************************************************/
acpi_status acpi_ut_validate_fadt(void)
{
/*
* Verify Fixed ACPI Description Table fields,
* but don't abort on any problems, just display error
*/
if (acpi_gbl_FADT.pm1_event_length < 4) {
acpi_ut_fadt_register_error("PM1_EVT_LEN",
(u32) acpi_gbl_FADT.
pm1_event_length,
ACPI_FADT_OFFSET(pm1_event_length));
}
if (!acpi_gbl_FADT.pm1_control_length) {
acpi_ut_fadt_register_error("PM1_CNT_LEN", 0,
ACPI_FADT_OFFSET
(pm1_control_length));
}
if (!acpi_gbl_FADT.xpm1a_event_block.address) {
acpi_ut_fadt_register_error("X_PM1a_EVT_BLK", 0,
ACPI_FADT_OFFSET(xpm1a_event_block.
address));
}
if (!acpi_gbl_FADT.xpm1a_control_block.address) {
acpi_ut_fadt_register_error("X_PM1a_CNT_BLK", 0,
ACPI_FADT_OFFSET
(xpm1a_control_block.address));
}
if (!acpi_gbl_FADT.xpm_timer_block.address) {
acpi_ut_fadt_register_error("X_PM_TMR_BLK", 0,
ACPI_FADT_OFFSET(xpm_timer_block.
address));
}
if ((acpi_gbl_FADT.xpm2_control_block.address &&
!acpi_gbl_FADT.pm2_control_length)) {
acpi_ut_fadt_register_error("PM2_CNT_LEN",
(u32) acpi_gbl_FADT.
pm2_control_length,
ACPI_FADT_OFFSET
(pm2_control_length));
}
if (acpi_gbl_FADT.pm_timer_length < 4) {
acpi_ut_fadt_register_error("PM_TM_LEN",
(u32) acpi_gbl_FADT.pm_timer_length,
ACPI_FADT_OFFSET(pm_timer_length));
}
/* Length of GPE blocks must be a multiple of 2 */
if (acpi_gbl_FADT.xgpe0_block.address &&
(acpi_gbl_FADT.gpe0_block_length & 1)) {
acpi_ut_fadt_register_error("(x)GPE0_BLK_LEN",
(u32) acpi_gbl_FADT.
gpe0_block_length,
ACPI_FADT_OFFSET
(gpe0_block_length));
}
if (acpi_gbl_FADT.xgpe1_block.address &&
(acpi_gbl_FADT.gpe1_block_length & 1)) {
acpi_ut_fadt_register_error("(x)GPE1_BLK_LEN",
(u32) acpi_gbl_FADT.
gpe1_block_length,
ACPI_FADT_OFFSET
(gpe1_block_length));
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_ut_terminate
*
* PARAMETERS: none
*
* RETURN: none
*
* DESCRIPTION: Free global memory
*
******************************************************************************/
static void acpi_ut_terminate(void)
{
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_block_info *next_gpe_block;
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
ACPI_FUNCTION_TRACE(ut_terminate);
/* Free global GPE blocks and related info structures */
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
next_gpe_block = gpe_block->next;
ACPI_FREE(gpe_block->event_info);
ACPI_FREE(gpe_block->register_info);
ACPI_FREE(gpe_block);
gpe_block = next_gpe_block;
}
next_gpe_xrupt_info = gpe_xrupt_info->next;
ACPI_FREE(gpe_xrupt_info);
gpe_xrupt_info = next_gpe_xrupt_info;
}
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_subsystem_shutdown
*
* PARAMETERS: none
*
* RETURN: none
*
* DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex
* objects here -- because the AML debugger may be still running.
*
******************************************************************************/
void acpi_ut_subsystem_shutdown(void)
{
ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
/* Just exit if subsystem is already shutdown */
if (acpi_gbl_shutdown) {
ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated"));
return_VOID;
}
/* Subsystem appears active, go ahead and shut it down */
acpi_gbl_shutdown = TRUE;
acpi_gbl_startup_flags = 0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
/* Close the acpi_event Handling */
acpi_ev_terminate();
/* Close the Namespace */
acpi_ns_terminate();
/* Delete the ACPI tables */
acpi_tb_terminate();
/* Close the globals */
acpi_ut_terminate();
/* Purge the local caches */
(void)acpi_ut_delete_caches();
return_VOID;
}
|
