utglobal.c revision 69450
1/******************************************************************************
2 *
3 * Module Name: cmglobal - Global variables for the ACPI subsystem
4 *              $Revision: 110 $
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999, Intel Corp.  All rights
13 * reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights.  You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code.  No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision.  In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change.  Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee.  Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution.  In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government.  In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117#define __CMGLOBAL_C__
118#define DEFINE_ACPI_GLOBALS
119
120#include "acpi.h"
121#include "acevents.h"
122#include "acnamesp.h"
123#include "acinterp.h"
124
125
126#define _COMPONENT          MISCELLANEOUS
127        MODULE_NAME         ("cmglobal")
128
129
130/******************************************************************************
131 *
132 * Static global variable initialization.
133 *
134 ******************************************************************************/
135
136/*
137 * We want the debug switches statically initialized so they
138 * are already set when the debugger is entered.
139 */
140
141/* Debug switch - level and trace mask */
142
143#ifdef ACPI_DEBUG
144UINT32                      AcpiDbgLevel = DEBUG_DEFAULT;
145#else
146UINT32                      AcpiDbgLevel = NORMAL_DEFAULT;
147#endif
148
149/* Debug switch - layer (component) mask */
150
151UINT32                      AcpiDbgLayer = COMPONENT_DEFAULT;
152UINT32                      AcpiGbl_NestingLevel = 0;
153
154
155/* Debugger globals */
156
157BOOLEAN                     AcpiGbl_DbTerminateThreads = FALSE;
158BOOLEAN                     AcpiGbl_MethodExecuting = FALSE;
159
160/* System flags */
161
162UINT32                      AcpiGbl_SystemFlags = 0;
163UINT32                      AcpiGbl_StartupFlags = 0;
164
165/* System starts unitialized! */
166BOOLEAN                     AcpiGbl_Shutdown = TRUE;
167
168
169UINT8                       AcpiGbl_DecodeTo8bit [8] = {1,2,4,8,16,32,64,128};
170
171
172/******************************************************************************
173 *
174 * Namespace globals
175 *
176 ******************************************************************************/
177
178
179/*
180 * Names built-in to the interpreter
181 *
182 * Initial values are currently supported only for types String and Number.
183 * To avoid type punning, both are specified as strings in this table.
184 */
185
186PREDEFINED_NAMES            AcpiGbl_PreDefinedNames[] =
187{
188    {"_GPE",    INTERNAL_TYPE_DEF_ANY},
189    {"_PR_",    INTERNAL_TYPE_DEF_ANY},
190    {"_SB_",    INTERNAL_TYPE_DEF_ANY},
191    {"_SI_",    INTERNAL_TYPE_DEF_ANY},
192    {"_TZ_",    INTERNAL_TYPE_DEF_ANY},
193    {"_REV",    ACPI_TYPE_NUMBER, "2"},
194    {"_OS_",    ACPI_TYPE_STRING, ACPI_OS_NAME},
195    {"_GL_",    ACPI_TYPE_MUTEX, "0"},
196
197    /* Table terminator */
198
199    {NULL,      ACPI_TYPE_ANY}
200};
201
202
203/*
204 * Properties of the ACPI Object Types, both internal and external.
205 *
206 * Elements of AcpiNsProperties are bit significant
207 * and the table is indexed by values of ACPI_OBJECT_TYPE
208 */
209
210UINT8                       AcpiGbl_NsProperties[] =
211{
212    NSP_NORMAL,                 /* 00 Any              */
213    NSP_NORMAL,                 /* 01 Number           */
214    NSP_NORMAL,                 /* 02 String           */
215    NSP_NORMAL,                 /* 03 Buffer           */
216    NSP_LOCAL,                  /* 04 Package          */
217    NSP_NORMAL,                 /* 05 FieldUnit        */
218    NSP_NEWSCOPE | NSP_LOCAL,   /* 06 Device           */
219    NSP_LOCAL,                  /* 07 AcpiEvent        */
220    NSP_NEWSCOPE | NSP_LOCAL,   /* 08 Method           */
221    NSP_LOCAL,                  /* 09 Mutex            */
222    NSP_LOCAL,                  /* 10 Region           */
223    NSP_NEWSCOPE | NSP_LOCAL,   /* 11 Power            */
224    NSP_NEWSCOPE | NSP_LOCAL,   /* 12 Processor        */
225    NSP_NEWSCOPE | NSP_LOCAL,   /* 13 Thermal          */
226    NSP_NORMAL,                 /* 14 BufferField      */
227    NSP_NORMAL,                 /* 15 DdbHandle        */
228    NSP_NORMAL,                 /* 16 Debug Object     */
229    NSP_NORMAL,                 /* 17 DefField         */
230    NSP_NORMAL,                 /* 18 BankField        */
231    NSP_NORMAL,                 /* 19 IndexField       */
232    NSP_NORMAL,                 /* 20 Reference        */
233    NSP_NORMAL,                 /* 21 Alias            */
234    NSP_NORMAL,                 /* 22 Notify           */
235    NSP_NORMAL,                 /* 23 Address Handler  */
236    NSP_NEWSCOPE | NSP_LOCAL,   /* 24 Resource         */
237    NSP_NORMAL,                 /* 25 DefFieldDefn     */
238    NSP_NORMAL,                 /* 26 BankFieldDefn    */
239    NSP_NORMAL,                 /* 27 IndexFieldDefn   */
240    NSP_NORMAL,                 /* 28 If               */
241    NSP_NORMAL,                 /* 29 Else             */
242    NSP_NORMAL,                 /* 30 While            */
243    NSP_NEWSCOPE,               /* 31 Scope            */
244    NSP_LOCAL,                  /* 32 DefAny           */
245    NSP_NORMAL,                 /* 33 Method Arg       */
246    NSP_NORMAL,                 /* 34 Method Local     */
247    NSP_NORMAL,                 /* 35 Extra            */
248    NSP_NORMAL                  /* 36 Invalid          */
249};
250
251
252/******************************************************************************
253 *
254 * Table globals
255 *
256 * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
257 * it is NOT an exhaustive list of all possible ACPI tables.  All ACPI tables
258 * that are not used by the subsystem are simply ignored.
259 *
260 ******************************************************************************/
261
262
263ACPI_TABLE_DESC             AcpiGbl_AcpiTables[NUM_ACPI_TABLES];
264
265
266ACPI_TABLE_SUPPORT          AcpiGbl_AcpiTableData[NUM_ACPI_TABLES] =
267{
268    /***********    Name,    Signature,  Signature size,    How many allowed?,   Supported?  Global typed pointer */
269
270    /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, sizeof (RSDP_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      NULL},
271    /* DSDT 1 */ {DSDT_SIG,  DSDT_SIG, sizeof (DSDT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &AcpiGbl_DSDT},
272    /* FADT 2 */ {FADT_SIG,  FADT_SIG, sizeof (FADT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &AcpiGbl_FADT},
273    /* FACS 3 */ {FACS_SIG,  FACS_SIG, sizeof (FACS_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &AcpiGbl_FACS},
274    /* PSDT 4 */ {PSDT_SIG,  PSDT_SIG, sizeof (PSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK,      NULL},
275    /* SSDT 5 */ {SSDT_SIG,  SSDT_SIG, sizeof (SSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK,      NULL},
276    /* XSDT 6 */ {XSDT_SIG,  XSDT_SIG, sizeof (RSDT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      NULL},
277};
278
279
280#ifdef ACPI_DEBUG
281
282/******************************************************************************
283 *
284 * Strings and procedures used for debug only
285 *
286 ******************************************************************************/
287
288NATIVE_CHAR                 *MsgAcpiErrorBreak = "*** Break on ACPI_ERROR ***\n";
289
290
291/*****************************************************************************
292 *
293 * FUNCTION:    AcpiCmGetMutexName
294 *
295 * PARAMETERS:  None.
296 *
297 * RETURN:      Status
298 *
299 * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
300 *
301 ****************************************************************************/
302
303NATIVE_CHAR *
304AcpiCmGetMutexName (
305    UINT32                  MutexId)
306{
307
308    if (MutexId > MAX_MTX)
309    {
310        return ("Invalid Mutex ID");
311    }
312
313    return (AcpiGbl_MutexNames[MutexId]);
314}
315
316
317/*
318 * Elements of AcpiGbl_NsTypeNames below must match
319 * one-to-one with values of ACPI_OBJECT_TYPE
320 *
321 * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; when
322 * stored in a table it really means that we have thus far seen no evidence to
323 * indicatewhat type is actually going to be stored for this entry.
324 */
325
326static NATIVE_CHAR          AcpiGbl_BadType[] = "UNDEFINED";
327#define TYPE_NAME_LENGTH    9                       /* Maximum length of each string */
328
329static NATIVE_CHAR          *AcpiGbl_NsTypeNames[] =    /* printable names of ACPI types */
330{
331    /* 00 */ "Untyped",
332    /* 01 */ "Number",
333    /* 02 */ "String",
334    /* 03 */ "Buffer",
335    /* 04 */ "Package",
336    /* 05 */ "FieldUnit",
337    /* 06 */ "Device",
338    /* 07 */ "Event",
339    /* 08 */ "Method",
340    /* 09 */ "Mutex",
341    /* 10 */ "Region",
342    /* 11 */ "Power",
343    /* 12 */ "Processor",
344    /* 13 */ "Thermal",
345    /* 14 */ "BufferFld",
346    /* 15 */ "DdbHandle",
347    /* 16 */ "DebugObj",
348    /* 17 */ "DefField",
349    /* 18 */ "BnkField",
350    /* 19 */ "IdxField",
351    /* 20 */ "Reference",
352    /* 21 */ "Alias",
353    /* 22 */ "Notify",
354    /* 23 */ "AddrHndlr",
355    /* 24 */ "Resource",
356    /* 25 */ "DefFldDfn",
357    /* 26 */ "BnkFldDfn",
358    /* 27 */ "IdxFldDfn",
359    /* 28 */ "If",
360    /* 29 */ "Else",
361    /* 30 */ "While",
362    /* 31 */ "Scope",
363    /* 32 */ "DefAny",
364    /* 33 */ "MethodArg",
365    /* 34 */ "MethodLcl",
366    /* 35 */ "Extra",
367    /* 36 */ "Invalid"
368};
369
370
371/*****************************************************************************
372 *
373 * FUNCTION:    AcpiCmGetTypeName
374 *
375 * PARAMETERS:  None.
376 *
377 * RETURN:      Status
378 *
379 * DESCRIPTION: Translate a Type ID into a name string (Debug only)
380 *
381 ****************************************************************************/
382
383NATIVE_CHAR *
384AcpiCmGetTypeName (
385    UINT32                  Type)
386{
387
388    if (Type > INTERNAL_TYPE_INVALID)
389    {
390        return (AcpiGbl_BadType);
391    }
392
393    return (AcpiGbl_NsTypeNames[Type]);
394}
395
396#endif
397
398
399/*****************************************************************************
400 *
401 * FUNCTION:    AcpiCmValidObjectType
402 *
403 * PARAMETERS:  None.
404 *
405 * RETURN:      TRUE if valid object type
406 *
407 * DESCRIPTION: Validate an object type
408 *
409 ****************************************************************************/
410
411BOOLEAN
412AcpiCmValidObjectType (
413    UINT32                  Type)
414{
415
416    if (Type > ACPI_TYPE_MAX)
417    {
418        if ((Type < INTERNAL_TYPE_BEGIN) ||
419            (Type > INTERNAL_TYPE_MAX))
420        {
421            return (FALSE);
422        }
423    }
424
425    return (TRUE);
426}
427
428
429/*****************************************************************************
430 *
431 * FUNCTION:    AcpiCmFormatException
432 *
433 * PARAMETERS:  Status              - Acpi status to be formatted
434 *
435 * RETURN:      Formatted status string
436 *
437 * DESCRIPTION: Convert an ACPI exception to a string
438 *
439 ****************************************************************************/
440
441NATIVE_CHAR *
442AcpiCmFormatException (
443    ACPI_STATUS             Status)
444{
445    NATIVE_CHAR             *Exception = "UNKNOWN_STATUS";
446    ACPI_STATUS             SubStatus;
447
448
449    SubStatus = (Status & ~AE_CODE_MASK);
450
451
452    switch (Status & AE_CODE_MASK)
453    {
454    case AE_CODE_ENVIRONMENTAL:
455
456        if (SubStatus <= AE_CODE_ENV_MAX)
457        {
458            Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
459        }
460        break;
461
462    case AE_CODE_PROGRAMMER:
463
464        if (SubStatus <= AE_CODE_PGM_MAX)
465        {
466            Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus -1];
467        }
468        break;
469
470    case AE_CODE_ACPI_TABLES:
471
472        if (SubStatus <= AE_CODE_TBL_MAX)
473        {
474            Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus -1];
475        }
476        break;
477
478    case AE_CODE_AML:
479
480        if (SubStatus <= AE_CODE_AML_MAX)
481        {
482            Exception = AcpiGbl_ExceptionNames_Aml [SubStatus -1];
483        }
484        break;
485
486    case AE_CODE_CONTROL:
487
488        if (SubStatus <= AE_CODE_CTRL_MAX)
489        {
490            Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus -1];
491        }
492        break;
493
494    default:
495        break;
496    }
497
498
499    return (Exception);
500}
501
502
503/****************************************************************************
504 *
505 * FUNCTION:    AcpiCmAllocateOwnerId
506 *
507 * PARAMETERS:  IdType          - Type of ID (method or table)
508 *
509 * DESCRIPTION: Allocate a table or method owner id
510 *
511 ***************************************************************************/
512
513ACPI_OWNER_ID
514AcpiCmAllocateOwnerId (
515    UINT32                  IdType)
516{
517    ACPI_OWNER_ID           OwnerId = 0xFFFF;
518
519
520    FUNCTION_TRACE ("CmAllocateOwnerId");
521
522
523    AcpiCmAcquireMutex (ACPI_MTX_CACHES);
524
525    switch (IdType)
526    {
527    case OWNER_TYPE_TABLE:
528
529        OwnerId = AcpiGbl_NextTableOwnerId;
530        AcpiGbl_NextTableOwnerId++;
531
532        if (AcpiGbl_NextTableOwnerId == FIRST_METHOD_ID)
533        {
534            AcpiGbl_NextTableOwnerId = FIRST_TABLE_ID;
535        }
536        break;
537
538
539    case OWNER_TYPE_METHOD:
540
541        OwnerId = AcpiGbl_NextMethodOwnerId;
542        AcpiGbl_NextMethodOwnerId++;
543
544        if (AcpiGbl_NextMethodOwnerId == FIRST_TABLE_ID)
545        {
546            AcpiGbl_NextMethodOwnerId = FIRST_METHOD_ID;
547        }
548        break;
549    }
550
551
552    AcpiCmReleaseMutex (ACPI_MTX_CACHES);
553
554    return_VALUE (OwnerId);
555}
556
557
558/****************************************************************************
559 *
560 * FUNCTION:    AcpiCmInitGlobals
561 *
562 * PARAMETERS:  none
563 *
564 * DESCRIPTION: Init library globals.  All globals that require specific
565 *              initialization should be initialized here!
566 *
567 ***************************************************************************/
568
569void
570AcpiCmInitGlobals (
571    void)
572{
573    UINT32                  i;
574
575
576    FUNCTION_TRACE ("CmInitGlobals");
577
578
579    /* ACPI table structure */
580
581    for (i = 0; i < NUM_ACPI_TABLES; i++)
582    {
583        AcpiGbl_AcpiTables[i].Prev          = &AcpiGbl_AcpiTables[i];
584        AcpiGbl_AcpiTables[i].Next          = &AcpiGbl_AcpiTables[i];
585        AcpiGbl_AcpiTables[i].Pointer       = NULL;
586        AcpiGbl_AcpiTables[i].Length        = 0;
587        AcpiGbl_AcpiTables[i].Allocation    = ACPI_MEM_NOT_ALLOCATED;
588        AcpiGbl_AcpiTables[i].Count         = 0;
589    }
590
591
592    /* Address Space handler array */
593
594    for (i = 0; i < ACPI_NUM_ADDRESS_SPACES; i++)
595    {
596        AcpiGbl_AddressSpaces[i].Handler    = NULL;
597        AcpiGbl_AddressSpaces[i].Context    = NULL;
598    }
599
600    /* Mutex locked flags */
601
602    for (i = 0; i < NUM_MTX; i++)
603    {
604        AcpiGbl_AcpiMutexInfo[i].Mutex      = NULL;
605        AcpiGbl_AcpiMutexInfo[i].Locked     = FALSE;
606        AcpiGbl_AcpiMutexInfo[i].UseCount   = 0;
607    }
608
609    /* Global notify handlers */
610
611    AcpiGbl_SysNotify.Handler           = NULL;
612    AcpiGbl_DrvNotify.Handler           = NULL;
613
614    /* Global "typed" ACPI table pointers */
615
616    AcpiGbl_RSDP                        = NULL;
617    AcpiGbl_XSDT                        = NULL;
618    AcpiGbl_FACS                        = NULL;
619    AcpiGbl_FADT                        = NULL;
620    AcpiGbl_DSDT                        = NULL;
621
622
623    /* Global Lock support */
624
625    AcpiGbl_GlobalLockAcquired          = FALSE;
626    AcpiGbl_GlobalLockThreadCount       = 0;
627
628    /* Miscellaneous variables */
629
630    AcpiGbl_SystemFlags                 = 0;
631    AcpiGbl_StartupFlags                = 0;
632    AcpiGbl_GlobalLockSet               = FALSE;
633    AcpiGbl_RsdpOriginalLocation        = 0;
634    AcpiGbl_CmSingleStep                = FALSE;
635    AcpiGbl_DbTerminateThreads          = FALSE;
636    AcpiGbl_Shutdown                    = FALSE;
637    AcpiGbl_NsLookupCount               = 0;
638    AcpiGbl_PsFindCount                 = 0;
639    AcpiGbl_AcpiHardwarePresent         = TRUE;
640    AcpiGbl_NextTableOwnerId            = FIRST_TABLE_ID;
641    AcpiGbl_NextMethodOwnerId           = FIRST_METHOD_ID;
642    AcpiGbl_DebuggerConfiguration       = DEBUGGER_THREADING;
643
644    /* Cache of small "state" objects */
645
646    AcpiGbl_GenericStateCache           = NULL;
647    AcpiGbl_GenericStateCacheDepth      = 0;
648    AcpiGbl_StateCacheRequests          = 0;
649    AcpiGbl_StateCacheHits              = 0;
650
651    AcpiGbl_ParseCache                  = NULL;
652    AcpiGbl_ParseCacheDepth             = 0;
653    AcpiGbl_ParseCacheRequests          = 0;
654    AcpiGbl_ParseCacheHits              = 0;
655
656    AcpiGbl_ExtParseCache               = NULL;
657    AcpiGbl_ExtParseCacheDepth          = 0;
658    AcpiGbl_ExtParseCacheRequests       = 0;
659    AcpiGbl_ExtParseCacheHits           = 0;
660
661    AcpiGbl_ObjectCache                 = NULL;
662    AcpiGbl_ObjectCacheDepth            = 0;
663    AcpiGbl_ObjectCacheRequests         = 0;
664    AcpiGbl_ObjectCacheHits             = 0;
665
666    AcpiGbl_WalkStateCache              = NULL;
667    AcpiGbl_WalkStateCacheDepth         = 0;
668    AcpiGbl_WalkStateCacheRequests      = 0;
669    AcpiGbl_WalkStateCacheHits          = 0;
670
671    /* Hardware oriented */
672
673    AcpiGbl_Gpe0EnableRegisterSave      = NULL;
674    AcpiGbl_Gpe1EnableRegisterSave      = NULL;
675    AcpiGbl_OriginalMode                = SYS_MODE_UNKNOWN;   /*  original ACPI/legacy mode   */
676    AcpiGbl_GpeRegisters                = NULL;
677    AcpiGbl_GpeInfo                     = NULL;
678
679    /* Namespace */
680
681    AcpiGbl_RootNode                    = NULL;
682
683    AcpiGbl_RootNodeStruct.Name         = ACPI_ROOT_NAME;
684    AcpiGbl_RootNodeStruct.DataType     = ACPI_DESC_TYPE_NAMED;
685    AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_ANY;
686    AcpiGbl_RootNodeStruct.Child        = NULL;
687    AcpiGbl_RootNodeStruct.Peer         = NULL;
688    AcpiGbl_RootNodeStruct.Object       = NULL;
689    AcpiGbl_RootNodeStruct.Flags        = ANOBJ_END_OF_PEER_LIST;
690
691    /* Memory allocation metrics - compiled out in non-debug mode. */
692
693    INITIALIZE_ALLOCATION_METRICS();
694
695    return_VOID;
696}
697
698
699