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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [acpi/] [utilities/] [utglobal.c] - Blame information for rev 1765

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1 1275 phoenix 
/******************************************************************************
2 
 *
3 
 * Module Name: utglobal - Global variables for the ACPI subsystem
4 
 *
5 
 *****************************************************************************/
6 
 
7 
/*
8 
 * Copyright (C) 2000 - 2004, R. Byron Moore
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 
#define DEFINE_ACPI_GLOBALS
45 
 
46 
#include <acpi/acpi.h>
47 
#include <acpi/acnamesp.h>
48 
 
49 
#define _COMPONENT          ACPI_UTILITIES
50 
         ACPI_MODULE_NAME    ("utglobal")
51 
 
52 
 
53 
/******************************************************************************
54 
 *
55 
 * FUNCTION:    acpi_format_exception
56 
 *
57 
 * PARAMETERS:  Status       - The acpi_status code to be formatted
58 
 *
59 
 * RETURN:      A string containing the exception  text
60 
 *
61 
 * DESCRIPTION: This function translates an ACPI exception into an ASCII string.
62 
 *
63 
 ******************************************************************************/
64 
 
65 
const char *
66 
acpi_format_exception (
67 
        acpi_status                     status)
68 
{
69 
        const char                      *exception = "UNKNOWN_STATUS_CODE";
70 
        acpi_status                     sub_status;
71 
 
72 
 
73 
        ACPI_FUNCTION_NAME ("format_exception");
74 
 
75 
 
76 
        sub_status = (status & ~AE_CODE_MASK);
77 
 
78 
        switch (status & AE_CODE_MASK) {
79 
        case AE_CODE_ENVIRONMENTAL:
80 
 
81 
                if (sub_status <= AE_CODE_ENV_MAX) {
82 
                        exception = acpi_gbl_exception_names_env [sub_status];
83 
                        break;
84 
                }
85 
                goto unknown;
86 
 
87 
        case AE_CODE_PROGRAMMER:
88 
 
89 
                if (sub_status <= AE_CODE_PGM_MAX) {
90 
                        exception = acpi_gbl_exception_names_pgm [sub_status -1];
91 
                        break;
92 
                }
93 
                goto unknown;
94 
 
95 
        case AE_CODE_ACPI_TABLES:
96 
 
97 
                if (sub_status <= AE_CODE_TBL_MAX) {
98 
                        exception = acpi_gbl_exception_names_tbl [sub_status -1];
99 
                        break;
100 
                }
101 
                goto unknown;
102 
 
103 
        case AE_CODE_AML:
104 
 
105 
                if (sub_status <= AE_CODE_AML_MAX) {
106 
                        exception = acpi_gbl_exception_names_aml [sub_status -1];
107 
                        break;
108 
                }
109 
                goto unknown;
110 
 
111 
        case AE_CODE_CONTROL:
112 
 
113 
                if (sub_status <= AE_CODE_CTRL_MAX) {
114 
                        exception = acpi_gbl_exception_names_ctrl [sub_status -1];
115 
                        break;
116 
                }
117 
                goto unknown;
118 
 
119 
        default:
120 
                goto unknown;
121 
        }
122 
 
123 
 
124 
        return ((const char *) exception);
125 
 
126 
unknown:
127 
 
128 
        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown exception code: 0x%8.8X\n", status));
129 
        return ((const char *) exception);
130 
}
131 
 
132 
 
133 
/******************************************************************************
134 
 *
135 
 * Static global variable initialization.
136 
 *
137 
 ******************************************************************************/
138 
 
139 
/*
140 
 * We want the debug switches statically initialized so they
141 
 * are already set when the debugger is entered.
142 
 */
143 
 
144 
/* Debug switch - level and trace mask */
145 
 
146 
#ifdef ACPI_DEBUG_OUTPUT
147 
u32                                 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
148 
#else
149 
u32                                 acpi_dbg_level = ACPI_NORMAL_DEFAULT;
150 
#endif
151 
 
152 
/* Debug switch - layer (component) mask */
153 
 
154 
u32                                 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT;
155 
u32                                 acpi_gbl_nesting_level = 0;
156 
 
157 
 
158 
/* Debugger globals */
159 
 
160 
u8                                  acpi_gbl_db_terminate_threads = FALSE;
161 
u8                                  acpi_gbl_abort_method = FALSE;
162 
u8                                  acpi_gbl_method_executing = FALSE;
163 
 
164 
/* System flags */
165 
 
166 
u32                                 acpi_gbl_startup_flags = 0;
167 
 
168 
/* System starts uninitialized */
169 
 
170 
u8                                  acpi_gbl_shutdown = TRUE;
171 
 
172 
const u8                            acpi_gbl_decode_to8bit [8] = {1,2,4,8,16,32,64,128};
173 
 
174 
const char                          *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
175 
                          "\\_S0_",
176 
                          "\\_S1_",
177 
                          "\\_S2_",
178 
                          "\\_S3_",
179 
                          "\\_S4_",
180 
                          "\\_S5_"};
181 
 
182 
const char                          *acpi_gbl_highest_dstate_names[4] = {
183 
                                           "_S1D",
184 
                                           "_S2D",
185 
                                           "_S3D",
186 
                                           "_S4D"};
187 
 
188 
/* Strings supported by the _OSI predefined (internal) method */
189 
 
190 
const char                          *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = {
191 
                                                         "Linux",
192 
                                                         "Windows 2000",
193 
                                                         "Windows 2001",
194 
                                                         "Windows 2001.1"};
195 
 
196 
 
197 
/******************************************************************************
198 
 *
199 
 * Namespace globals
200 
 *
201 
 ******************************************************************************/
202 
 
203 
 
204 
/*
205 
 * Predefined ACPI Names (Built-in to the Interpreter)
206 
 *
207 
 * NOTES:
208 
 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
209 
 *    during the initialization sequence.
210 
 */
211 
const struct acpi_predefined_names      acpi_gbl_pre_defined_names[] =
212 
{ {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
213 
        {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
214 
        {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
215 
        {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
216 
        {"_TZ_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
217 
        {"_REV",    ACPI_TYPE_INTEGER,          "2"},
218 
        {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
219 
        {"_GL_",    ACPI_TYPE_MUTEX,            "0"},
220 
 
221 
#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
222 
        {"_OSI",    ACPI_TYPE_METHOD,           "1"},
223 
#endif
224 
        {NULL,      ACPI_TYPE_ANY,              NULL}              /* Table terminator */
225 
};
226 
 
227 
 
228 
/*
229 
 * Properties of the ACPI Object Types, both internal and external.
230 
 * The table is indexed by values of acpi_object_type
231 
 */
232 
const u8                                acpi_gbl_ns_properties[] =
233 
{
234 
        ACPI_NS_NORMAL,                     /* 00 Any              */
235 
        ACPI_NS_NORMAL,                     /* 01 Number           */
236 
        ACPI_NS_NORMAL,                     /* 02 String           */
237 
        ACPI_NS_NORMAL,                     /* 03 Buffer           */
238 
        ACPI_NS_NORMAL,                     /* 04 Package          */
239 
        ACPI_NS_NORMAL,                     /* 05 field_unit       */
240 
        ACPI_NS_NEWSCOPE,                   /* 06 Device           */
241 
        ACPI_NS_NORMAL,                     /* 07 Event            */
242 
        ACPI_NS_NEWSCOPE,                   /* 08 Method           */
243 
        ACPI_NS_NORMAL,                     /* 09 Mutex            */
244 
        ACPI_NS_NORMAL,                     /* 10 Region           */
245 
        ACPI_NS_NEWSCOPE,                   /* 11 Power            */
246 
        ACPI_NS_NEWSCOPE,                   /* 12 Processor        */
247 
        ACPI_NS_NEWSCOPE,                   /* 13 Thermal          */
248 
        ACPI_NS_NORMAL,                     /* 14 buffer_field     */
249 
        ACPI_NS_NORMAL,                     /* 15 ddb_handle       */
250 
        ACPI_NS_NORMAL,                     /* 16 Debug Object     */
251 
        ACPI_NS_NORMAL,                     /* 17 def_field        */
252 
        ACPI_NS_NORMAL,                     /* 18 bank_field       */
253 
        ACPI_NS_NORMAL,                     /* 19 index_field      */
254 
        ACPI_NS_NORMAL,                     /* 20 Reference        */
255 
        ACPI_NS_NORMAL,                     /* 21 Alias            */
256 
        ACPI_NS_NORMAL,                     /* 22 method_alias     */
257 
        ACPI_NS_NORMAL,                     /* 23 Notify           */
258 
        ACPI_NS_NORMAL,                     /* 24 Address Handler  */
259 
        ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,   /* 25 Resource Desc    */
260 
        ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,   /* 26 Resource Field   */
261 
        ACPI_NS_NEWSCOPE,                   /* 27 Scope            */
262 
        ACPI_NS_NORMAL,                     /* 28 Extra            */
263 
        ACPI_NS_NORMAL,                     /* 29 Data             */
264 
        ACPI_NS_NORMAL                      /* 30 Invalid          */
265 
};
266 
 
267 
 
268 
/* Hex to ASCII conversion table */
269 
 
270 
static const char                   acpi_gbl_hex_to_ascii[] =
271 
                          {'0','1','2','3','4','5','6','7',
272 
                                         '8','9','A','B','C','D','E','F'};
273 
 
274 
/*****************************************************************************
275 
 *
276 
 * FUNCTION:    acpi_ut_hex_to_ascii_char
277 
 *
278 
 * PARAMETERS:  Integer             - Contains the hex digit
279 
 *              Position            - bit position of the digit within the
280 
 *                                    integer
281 
 *
282 
 * RETURN:      Ascii character
283 
 *
284 
 * DESCRIPTION: Convert a hex digit to an ascii character
285 
 *
286 
 ****************************************************************************/
287 
 
288 
char
289 
acpi_ut_hex_to_ascii_char (
290 
        acpi_integer                    integer,
291 
        u32                             position)
292 
{
293 
 
294 
        return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
295 
}
296 
 
297 
 
298 
/******************************************************************************
299 
 *
300 
 * Table name globals
301 
 *
302 
 * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
303 
 * it is NOT an exhaustive list of all possible ACPI tables.  All ACPI tables
304 
 * that are not used by the subsystem are simply ignored.
305 
 *
306 
 * Do NOT add any table to this list that is not consumed directly by this
307 
 * subsystem.
308 
 *
309 
 ******************************************************************************/
310 
 
311 
struct acpi_table_list              acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
312 
 
313 
struct acpi_table_support           acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] =
314 
{
315 
        /***********    Name,   Signature, Global typed pointer     Signature size,      Type                  How many allowed?,    Contains valid AML? */
316 
 
317 
        /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL,                    sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT     | ACPI_TABLE_SINGLE},
318 
        /* DSDT 1 */ {DSDT_SIG,  DSDT_SIG, (void *) &acpi_gbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE   | ACPI_TABLE_EXECUTABLE},
319 
        /* FADT 2 */ {FADT_SIG,  FADT_SIG, (void *) &acpi_gbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_SINGLE},
320 
        /* FACS 3 */ {FACS_SIG,  FACS_SIG, (void *) &acpi_gbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE},
321 
        /* PSDT 4 */ {PSDT_SIG,  PSDT_SIG, NULL,                    sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
322 
        /* SSDT 5 */ {SSDT_SIG,  SSDT_SIG, NULL,                    sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
323 
        /* XSDT 6 */ {XSDT_SIG,  XSDT_SIG, NULL,                    sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT     | ACPI_TABLE_SINGLE},
324 
};
325 
 
326 
 
327 
/******************************************************************************
328 
 *
329 
 * Event and Hardware globals
330 
 *
331 
 ******************************************************************************/
332 
 
333 
struct acpi_bit_register_info       acpi_gbl_bit_register_info[ACPI_NUM_BITREG] =
334 
{
335 
        /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
336 
 
337 
        /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
338 
        /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
339 
        /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
340 
        /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
341 
        /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
342 
        /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
343 
        /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
344 
 
345 
        /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
346 
        /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
347 
        /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
348 
        /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
349 
        /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
350 
        /* ACPI_BITREG_WAKE_ENABLE          */   {ACPI_REGISTER_PM1_ENABLE,   0,                                      0},
351 
 
352 
        /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
353 
        /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
354 
        /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
355 
        /* ACPI_BITREG_SLEEP_TYPE_A         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE_X,          ACPI_BITMASK_SLEEP_TYPE_X},
356 
        /* ACPI_BITREG_SLEEP_TYPE_B         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE_X,          ACPI_BITMASK_SLEEP_TYPE_X},
357 
        /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
358 
 
359 
        /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
360 
};
361 
 
362 
 
363 
struct acpi_fixed_event_info        acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] =
364 
{
365 
        /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
366 
        /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
367 
        /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
368 
        /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
369 
        /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
370 
};
371 
 
372 
/*****************************************************************************
373 
 *
374 
 * FUNCTION:    acpi_ut_get_region_name
375 
 *
376 
 * PARAMETERS:  None.
377 
 *
378 
 * RETURN:      Status
379 
 *
380 
 * DESCRIPTION: Translate a Space ID into a name string (Debug only)
381 
 *
382 
 ****************************************************************************/
383 
 
384 
/* Region type decoding */
385 
 
386 
const char                *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] =
387 
{
388 
/*! [Begin] no source code translation (keep these ASL Keywords as-is) */
389 
        "SystemMemory",
390 
        "SystemIO",
391 
        "PCI_Config",
392 
        "EmbeddedControl",
393 
        "SMBus",
394 
        "CMOS",
395 
        "PCIBARTarget",
396 
        "DataTable"
397 
/*! [End] no source code translation !*/
398 
};
399 
 
400 
 
401 
char *
402 
acpi_ut_get_region_name (
403 
        u8                              space_id)
404 
{
405 
 
406 
        if (space_id >= ACPI_USER_REGION_BEGIN)
407 
        {
408 
                return ("user_defined_region");
409 
        }
410 
 
411 
        else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS)
412 
        {
413 
                return ("invalid_space_id");
414 
        }
415 
 
416 
        return ((char *) acpi_gbl_region_types[space_id]);
417 
}
418 
 
419 
 
420 
/*****************************************************************************
421 
 *
422 
 * FUNCTION:    acpi_ut_get_event_name
423 
 *
424 
 * PARAMETERS:  None.
425 
 *
426 
 * RETURN:      Status
427 
 *
428 
 * DESCRIPTION: Translate a Event ID into a name string (Debug only)
429 
 *
430 
 ****************************************************************************/
431 
 
432 
/* Event type decoding */
433 
 
434 
static const char                *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] =
435 
{
436 
        "PM_Timer",
437 
        "global_lock",
438 
        "power_button",
439 
        "sleep_button",
440 
        "real_time_clock",
441 
};
442 
 
443 
 
444 
char *
445 
acpi_ut_get_event_name (
446 
        u32                             event_id)
447 
{
448 
 
449 
        if (event_id > ACPI_EVENT_MAX)
450 
        {
451 
                return ("invalid_event_iD");
452 
        }
453 
 
454 
        return ((char *) acpi_gbl_event_types[event_id]);
455 
}
456 
 
457 
 
458 
/*****************************************************************************
459 
 *
460 
 * FUNCTION:    acpi_ut_get_type_name
461 
 *
462 
 * PARAMETERS:  None.
463 
 *
464 
 * RETURN:      Status
465 
 *
466 
 * DESCRIPTION: Translate a Type ID into a name string (Debug only)
467 
 *
468 
 ****************************************************************************/
469 
 
470 
/*
471 
 * Elements of acpi_gbl_ns_type_names below must match
472 
 * one-to-one with values of acpi_object_type
473 
 *
474 
 * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; when
475 
 * stored in a table it really means that we have thus far seen no evidence to
476 
 * indicate what type is actually going to be stored for this entry.
477 
 */
478 
static const char                   acpi_gbl_bad_type[] = "UNDEFINED";
479 
#define TYPE_NAME_LENGTH    12                           /* Maximum length of each string */
480 
 
481 
static const char                   *acpi_gbl_ns_type_names[] = /* printable names of ACPI types */
482 
{
483 
        /* 00 */ "Untyped",
484 
        /* 01 */ "Integer",
485 
        /* 02 */ "String",
486 
        /* 03 */ "Buffer",
487 
        /* 04 */ "Package",
488 
        /* 05 */ "field_unit",
489 
        /* 06 */ "Device",
490 
        /* 07 */ "Event",
491 
        /* 08 */ "Method",
492 
        /* 09 */ "Mutex",
493 
        /* 10 */ "Region",
494 
        /* 11 */ "Power",
495 
        /* 12 */ "Processor",
496 
        /* 13 */ "Thermal",
497 
        /* 14 */ "buffer_field",
498 
        /* 15 */ "ddb_handle",
499 
        /* 16 */ "debug_object",
500 
        /* 17 */ "region_field",
501 
        /* 18 */ "bank_field",
502 
        /* 19 */ "index_field",
503 
        /* 20 */ "Reference",
504 
        /* 21 */ "Alias",
505 
        /* 22 */ "method_alias",
506 
        /* 23 */ "Notify",
507 
        /* 24 */ "addr_handler",
508 
        /* 25 */ "resource_desc",
509 
        /* 26 */ "resource_fld",
510 
        /* 27 */ "Scope",
511 
        /* 28 */ "Extra",
512 
        /* 29 */ "Data",
513 
        /* 30 */ "Invalid"
514 
};
515 
 
516 
 
517 
char *
518 
acpi_ut_get_type_name (
519 
        acpi_object_type                type)
520 
{
521 
 
522 
        if (type > ACPI_TYPE_INVALID)
523 
        {
524 
                return ((char *) acpi_gbl_bad_type);
525 
        }
526 
 
527 
        return ((char *) acpi_gbl_ns_type_names[type]);
528 
}
529 
 
530 
 
531 
char *
532 
acpi_ut_get_object_type_name (
533 
        union acpi_operand_object       *obj_desc)
534 
{
535 
 
536 
        if (!obj_desc)
537 
        {
538 
                return ("[NULL Object Descriptor]");
539 
        }
540 
 
541 
        return (acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)));
542 
}
543 
 
544 
 
545 
/*****************************************************************************
546 
 *
547 
 * FUNCTION:    acpi_ut_get_node_name
548 
 *
549 
 * PARAMETERS:  Object               - A namespace node
550 
 *
551 
 * RETURN:      Pointer to a string
552 
 *
553 
 * DESCRIPTION: Validate the node and return the node's ACPI name.
554 
 *
555 
 ****************************************************************************/
556 
 
557 
char *
558 
acpi_ut_get_node_name (
559 
        void                            *object)
560 
{
561 
        struct acpi_namespace_node      *node = (struct acpi_namespace_node *) object;
562 
 
563 
 
564 
        if (!object)
565 
        {
566 
                return ("NULL NODE");
567 
        }
568 
 
569 
        if (object == ACPI_ROOT_OBJECT)
570 
        {
571 
                node = acpi_gbl_root_node;
572 
        }
573 
 
574 
        if (node->descriptor != ACPI_DESC_TYPE_NAMED)
575 
        {
576 
                return ("****");
577 
        }
578 
 
579 
        if (!acpi_ut_valid_acpi_name (* (u32 *) node->name.ascii))
580 
        {
581 
                return ("----");
582 
        }
583 
 
584 
        return (node->name.ascii);
585 
}
586 
 
587 
 
588 
/*****************************************************************************
589 
 *
590 
 * FUNCTION:    acpi_ut_get_descriptor_name
591 
 *
592 
 * PARAMETERS:  Object               - An ACPI object
593 
 *
594 
 * RETURN:      Pointer to a string
595 
 *
596 
 * DESCRIPTION: Validate object and return the descriptor type
597 
 *
598 
 ****************************************************************************/
599 
 
600 
static const char                   *acpi_gbl_desc_type_names[] = /* printable names of descriptor types */
601 
{
602 
        /* 00 */ "Invalid",
603 
        /* 01 */ "Cached",
604 
        /* 02 */ "State-Generic",
605 
        /* 03 */ "State-Update",
606 
        /* 04 */ "State-Package",
607 
        /* 05 */ "State-Control",
608 
        /* 06 */ "State-root_parse_scope",
609 
        /* 07 */ "State-parse_scope",
610 
        /* 08 */ "State-walk_scope",
611 
        /* 09 */ "State-Result",
612 
        /* 10 */ "State-Notify",
613 
        /* 11 */ "State-Thread",
614 
        /* 12 */ "Walk",
615 
        /* 13 */ "Parser",
616 
        /* 14 */ "Operand",
617 
        /* 15 */ "Node"
618 
};
619 
 
620 
 
621 
char *
622 
acpi_ut_get_descriptor_name (
623 
        void                            *object)
624 
{
625 
 
626 
        if (!object)
627 
        {
628 
                return ("NULL OBJECT");
629 
        }
630 
 
631 
        if (ACPI_GET_DESCRIPTOR_TYPE (object) > ACPI_DESC_TYPE_MAX)
632 
        {
633 
                return ((char *) acpi_gbl_bad_type);
634 
        }
635 
 
636 
        return ((char *) acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE (object)]);
637 
 
638 
}
639 
 
640 
 
641 
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
642 
/*
643 
 * Strings and procedures used for debug only
644 
 */
645 
 
646 
/*****************************************************************************
647 
 *
648 
 * FUNCTION:    acpi_ut_get_mutex_name
649 
 *
650 
 * PARAMETERS:  None.
651 
 *
652 
 * RETURN:      Status
653 
 *
654 
 * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
655 
 *
656 
 ****************************************************************************/
657 
 
658 
char *
659 
acpi_ut_get_mutex_name (
660 
        u32                             mutex_id)
661 
{
662 
 
663 
        if (mutex_id > MAX_MUTEX)
664 
        {
665 
                return ("Invalid Mutex ID");
666 
        }
667 
 
668 
        return (acpi_gbl_mutex_names[mutex_id]);
669 
}
670 
 
671 
#endif
672 
 
673 
 
674 
/*****************************************************************************
675 
 *
676 
 * FUNCTION:    acpi_ut_valid_object_type
677 
 *
678 
 * PARAMETERS:  Type            - Object type to be validated
679 
 *
680 
 * RETURN:      TRUE if valid object type
681 
 *
682 
 * DESCRIPTION: Validate an object type
683 
 *
684 
 ****************************************************************************/
685 
 
686 
u8
687 
acpi_ut_valid_object_type (
688 
        acpi_object_type                type)
689 
{
690 
 
691 
        if (type > ACPI_TYPE_LOCAL_MAX)
692 
        {
693 
                /* Note: Assumes all TYPEs are contiguous (external/local) */
694 
 
695 
                return (FALSE);
696 
        }
697 
 
698 
        return (TRUE);
699 
}
700 
 
701 
 
702 
/****************************************************************************
703 
 *
704 
 * FUNCTION:    acpi_ut_allocate_owner_id
705 
 *
706 
 * PARAMETERS:  id_type         - Type of ID (method or table)
707 
 *
708 
 * DESCRIPTION: Allocate a table or method owner id
709 
 *
710 
 ***************************************************************************/
711 
 
712 
acpi_owner_id
713 
acpi_ut_allocate_owner_id (
714 
        u32                             id_type)
715 
{
716 
        acpi_owner_id                   owner_id = 0xFFFF;
717 
 
718 
 
719 
        ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
720 
 
721 
 
722 
        if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES)))
723 
        {
724 
                return (0);
725 
        }
726 
 
727 
        switch (id_type)
728 
        {
729 
        case ACPI_OWNER_TYPE_TABLE:
730 
 
731 
                owner_id = acpi_gbl_next_table_owner_id;
732 
                acpi_gbl_next_table_owner_id++;
733 
 
734 
                /* Check for wraparound */
735 
 
736 
                if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID)
737 
                {
738 
                        acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
739 
                        ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
740 
                }
741 
                break;
742 
 
743 
 
744 
        case ACPI_OWNER_TYPE_METHOD:
745 
 
746 
                owner_id = acpi_gbl_next_method_owner_id;
747 
                acpi_gbl_next_method_owner_id++;
748 
 
749 
                if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID)
750 
                {
751 
                        /* Check for wraparound */
752 
 
753 
                        acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
754 
                }
755 
                break;
756 
 
757 
        default:
758 
                break;
759 
        }
760 
 
761 
        (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
762 
        return_VALUE (owner_id);
763 
}
764 
 
765 
 
766 
/****************************************************************************
767 
 *
768 
 * FUNCTION:    acpi_ut_init_globals
769 
 *
770 
 * PARAMETERS:  none
771 
 *
772 
 * DESCRIPTION: Init library globals.  All globals that require specific
773 
 *              initialization should be initialized here!
774 
 *
775 
 ***************************************************************************/
776 
 
777 
void
778 
acpi_ut_init_globals (
779 
        void)
780 
{
781 
        u32                             i;
782 
 
783 
 
784 
        ACPI_FUNCTION_TRACE ("ut_init_globals");
785 
 
786 
        /* Runtime configuration */
787 
 
788 
        acpi_gbl_create_osi_method = TRUE;
789 
        acpi_gbl_all_methods_serialized = FALSE;
790 
        acpi_gbl_leave_wake_gpes_disabled = TRUE;
791 
 
792 
        /* Memory allocation and cache lists */
793 
 
794 
        ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS);
795 
 
796 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset      = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL);
797 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset     = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
798 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
799 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset    = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL);
800 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset       = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL);
801 
 
802 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size     = sizeof (struct acpi_namespace_node);
803 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size      = sizeof (union acpi_generic_state);
804 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size     = sizeof (struct acpi_parse_obj_common);
805 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named);
806 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size    = sizeof (union acpi_operand_object);
807 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size       = sizeof (struct acpi_walk_state);
808 
 
809 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth  = ACPI_MAX_STATE_CACHE_DEPTH;
810 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH;
811 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
812 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH;
813 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth   = ACPI_MAX_WALK_CACHE_DEPTH;
814 
 
815 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name    = "Global Memory Allocation");
816 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name    = "Namespace Nodes");
817 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name     = "State Object Cache");
818 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name    = "Parse Node Cache");
819 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache");
820 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name   = "Operand Object Cache");
821 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name      = "Tree Walk Node Cache");
822 
 
823 
        /* ACPI table structure */
824 
 
825 
        for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++)
826 
        {
827 
                acpi_gbl_table_lists[i].next        = NULL;
828 
                acpi_gbl_table_lists[i].count       = 0;
829 
        }
830 
 
831 
        /* Mutex locked flags */
832 
 
833 
        for (i = 0; i < NUM_MUTEX; i++)
834 
        {
835 
                acpi_gbl_mutex_info[i].mutex        = NULL;
836 
                acpi_gbl_mutex_info[i].owner_id     = ACPI_MUTEX_NOT_ACQUIRED;
837 
                acpi_gbl_mutex_info[i].use_count    = 0;
838 
        }
839 
 
840 
        /* GPE support */
841 
 
842 
        acpi_gbl_gpe_xrupt_list_head        = NULL;
843 
        acpi_gbl_gpe_fadt_blocks[0]         = NULL;
844 
        acpi_gbl_gpe_fadt_blocks[1]         = NULL;
845 
 
846 
        /* Global notify handlers */
847 
 
848 
        acpi_gbl_system_notify.handler      = NULL;
849 
        acpi_gbl_device_notify.handler      = NULL;
850 
        acpi_gbl_init_handler               = NULL;
851 
 
852 
        /* Global "typed" ACPI table pointers */
853 
 
854 
        acpi_gbl_RSDP                       = NULL;
855 
        acpi_gbl_XSDT                       = NULL;
856 
        acpi_gbl_FACS                       = NULL;
857 
        acpi_gbl_FADT                       = NULL;
858 
        acpi_gbl_DSDT                       = NULL;
859 
 
860 
        /* Global Lock support */
861 
 
862 
        acpi_gbl_global_lock_acquired       = FALSE;
863 
        acpi_gbl_global_lock_thread_count   = 0;
864 
        acpi_gbl_global_lock_handle         = 0;
865 
 
866 
        /* Miscellaneous variables */
867 
 
868 
        acpi_gbl_table_flags                = ACPI_PHYSICAL_POINTER;
869 
        acpi_gbl_rsdp_original_location     = 0;
870 
        acpi_gbl_cm_single_step             = FALSE;
871 
        acpi_gbl_db_terminate_threads       = FALSE;
872 
        acpi_gbl_shutdown                   = FALSE;
873 
        acpi_gbl_ns_lookup_count            = 0;
874 
        acpi_gbl_ps_find_count              = 0;
875 
        acpi_gbl_acpi_hardware_present      = TRUE;
876 
        acpi_gbl_next_table_owner_id        = ACPI_FIRST_TABLE_ID;
877 
        acpi_gbl_next_method_owner_id       = ACPI_FIRST_METHOD_ID;
878 
        acpi_gbl_debugger_configuration     = DEBUGGER_THREADING;
879 
        acpi_gbl_db_output_flags            = ACPI_DB_CONSOLE_OUTPUT;
880 
 
881 
        /* Hardware oriented */
882 
 
883 
        acpi_gbl_events_initialized         = FALSE;
884 
 
885 
        /* Namespace */
886 
 
887 
        acpi_gbl_root_node                  = NULL;
888 
 
889 
        acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
890 
        acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED;
891 
        acpi_gbl_root_node_struct.type      = ACPI_TYPE_DEVICE;
892 
        acpi_gbl_root_node_struct.child     = NULL;
893 
        acpi_gbl_root_node_struct.peer      = NULL;
894 
        acpi_gbl_root_node_struct.object    = NULL;
895 
        acpi_gbl_root_node_struct.flags     = ANOBJ_END_OF_PEER_LIST;
896 
 
897 
 
898 
#ifdef ACPI_DEBUG_OUTPUT
899 
        acpi_gbl_lowest_stack_pointer       = ACPI_SIZE_MAX;
900 
#endif
901 
 
902 
        return_VOID;
903 
}
904 
 
905 
 

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