1/******************************************************************************
2 *
3 * Module Name: utglobal - Global variables for the ACPI subsystem
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2011, 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#define __UTGLOBAL_C__
45#define DEFINE_ACPI_GLOBALS
46
47#include <contrib/dev/acpica/include/acpi.h>
48#include <contrib/dev/acpica/include/accommon.h>
49
50#define _COMPONENT          ACPI_UTILITIES
51        ACPI_MODULE_NAME    ("utglobal")
52
53
54/*******************************************************************************
55 *
56 * Static global variable initialization.
57 *
58 ******************************************************************************/
59
60/*
61 * We want the debug switches statically initialized so they
62 * are already set when the debugger is entered.
63 */
64
65/* Debug switch - level and trace mask */
66
67#ifdef ACPI_DEBUG_OUTPUT
68UINT32                      AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
69#else
70UINT32                      AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
71#endif
72
73/* Debug switch - layer (component) mask */
74
75UINT32                      AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
76UINT32                      AcpiGbl_NestingLevel = 0;
77
78/* Debugger globals */
79
80BOOLEAN                     AcpiGbl_DbTerminateThreads = FALSE;
81BOOLEAN                     AcpiGbl_AbortMethod = FALSE;
82BOOLEAN                     AcpiGbl_MethodExecuting = FALSE;
83
84/* System flags */
85
86UINT32                      AcpiGbl_StartupFlags = 0;
87
88/* System starts uninitialized */
89
90BOOLEAN                     AcpiGbl_Shutdown = TRUE;
91
92const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
93{
94    "\\_S0_",
95    "\\_S1_",
96    "\\_S2_",
97    "\\_S3_",
98    "\\_S4_",
99    "\\_S5_"
100};
101
102const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
103{
104    "_S0W",
105    "_S1W",
106    "_S2W",
107    "_S3W",
108    "_S4W"
109};
110
111const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
112{
113    "_S1D",
114    "_S2D",
115    "_S3D",
116    "_S4D"
117};
118
119
120/*******************************************************************************
121 *
122 * Namespace globals
123 *
124 ******************************************************************************/
125
126/*
127 * Predefined ACPI Names (Built-in to the Interpreter)
128 *
129 * NOTES:
130 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
131 *    during the initialization sequence.
132 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
133 *    perform a Notify() operation on it. 09/2010: Changed to type Device.
134 *    This still allows notifies, but does not confuse host code that
135 *    searches for valid ThermalZone objects.
136 */
137const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
138{
139    {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
140    {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
141    {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
142    {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
143    {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
144    {"_REV",    ACPI_TYPE_INTEGER,          (char *) ACPI_CA_SUPPORT_LEVEL},
145    {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
146    {"_GL_",    ACPI_TYPE_MUTEX,            (char *) 1},
147
148#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
149    {"_OSI",    ACPI_TYPE_METHOD,           (char *) 1},
150#endif
151
152    /* Table terminator */
153
154    {NULL,      ACPI_TYPE_ANY,              NULL}
155};
156
157
158/******************************************************************************
159 *
160 * Event and Hardware globals
161 *
162 ******************************************************************************/
163
164ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
165{
166    /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
167
168    /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
169    /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
170    /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
171    /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
172    /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
173    /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
174    /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
175    /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
176
177    /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
178    /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
179    /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
180    /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
181    /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
182    /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
183
184    /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
185    /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
186    /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
187    /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
188    /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
189
190    /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
191};
192
193
194ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
195{
196    /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
197    /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
198    /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
199    /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
200    /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
201};
202
203
204/*******************************************************************************
205 *
206 * FUNCTION:    AcpiUtInitGlobals
207 *
208 * PARAMETERS:  None
209 *
210 * RETURN:      Status
211 *
212 * DESCRIPTION: Init ACPICA globals.  All globals that require specific
213 *              initialization should be initialized here!
214 *
215 ******************************************************************************/
216
217ACPI_STATUS
218AcpiUtInitGlobals (
219    void)
220{
221    ACPI_STATUS             Status;
222    UINT32                  i;
223
224
225    ACPI_FUNCTION_TRACE (UtInitGlobals);
226
227
228    /* Create all memory caches */
229
230    Status = AcpiUtCreateCaches ();
231    if (ACPI_FAILURE (Status))
232    {
233        return_ACPI_STATUS (Status);
234    }
235
236    /* Mutex locked flags */
237
238    for (i = 0; i < ACPI_NUM_MUTEX; i++)
239    {
240        AcpiGbl_MutexInfo[i].Mutex          = NULL;
241        AcpiGbl_MutexInfo[i].ThreadId       = ACPI_MUTEX_NOT_ACQUIRED;
242        AcpiGbl_MutexInfo[i].UseCount       = 0;
243    }
244
245    for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
246    {
247        AcpiGbl_OwnerIdMask[i]              = 0;
248    }
249
250    /* Last OwnerID is never valid */
251
252    AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
253
254    /* Event counters */
255
256    AcpiMethodCount                     = 0;
257    AcpiSciCount                        = 0;
258    AcpiGpeCount                        = 0;
259
260    for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
261    {
262        AcpiFixedEventCount[i]              = 0;
263    }
264
265    /* GPE support */
266
267    AcpiGbl_AllGpesInitialized          = FALSE;
268    AcpiGbl_GpeXruptListHead            = NULL;
269    AcpiGbl_GpeFadtBlocks[0]            = NULL;
270    AcpiGbl_GpeFadtBlocks[1]            = NULL;
271    AcpiCurrentGpeCount                 = 0;
272
273    /* Global handlers */
274
275    AcpiGbl_SystemNotify.Handler        = NULL;
276    AcpiGbl_DeviceNotify.Handler        = NULL;
277    AcpiGbl_ExceptionHandler            = NULL;
278    AcpiGbl_InitHandler                 = NULL;
279    AcpiGbl_TableHandler                = NULL;
280    AcpiGbl_InterfaceHandler            = NULL;
281    AcpiGbl_GlobalEventHandler          = NULL;
282
283    /* Global Lock support */
284
285    AcpiGbl_GlobalLockSemaphore         = NULL;
286    AcpiGbl_GlobalLockMutex             = NULL;
287    AcpiGbl_GlobalLockAcquired          = FALSE;
288    AcpiGbl_GlobalLockHandle            = 0;
289    AcpiGbl_GlobalLockPresent           = FALSE;
290
291    /* Miscellaneous variables */
292
293    AcpiGbl_DSDT                        = NULL;
294    AcpiGbl_CmSingleStep                = FALSE;
295    AcpiGbl_DbTerminateThreads          = FALSE;
296    AcpiGbl_Shutdown                    = FALSE;
297    AcpiGbl_NsLookupCount               = 0;
298    AcpiGbl_PsFindCount                 = 0;
299    AcpiGbl_AcpiHardwarePresent         = TRUE;
300    AcpiGbl_LastOwnerIdIndex            = 0;
301    AcpiGbl_NextOwnerIdOffset           = 0;
302    AcpiGbl_TraceMethodName             = 0;
303    AcpiGbl_TraceDbgLevel               = 0;
304    AcpiGbl_TraceDbgLayer               = 0;
305    AcpiGbl_DebuggerConfiguration       = DEBUGGER_THREADING;
306    AcpiGbl_DbOutputFlags               = ACPI_DB_CONSOLE_OUTPUT;
307    AcpiGbl_OsiData                     = 0;
308    AcpiGbl_OsiMutex                    = NULL;
309    AcpiGbl_RegMethodsExecuted          = FALSE;
310
311    /* Hardware oriented */
312
313    AcpiGbl_EventsInitialized           = FALSE;
314    AcpiGbl_SystemAwakeAndRunning       = TRUE;
315
316    /* Namespace */
317
318    AcpiGbl_ModuleCodeList              = NULL;
319    AcpiGbl_RootNode                    = NULL;
320    AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
321    AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
322    AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_DEVICE;
323    AcpiGbl_RootNodeStruct.Parent       = NULL;
324    AcpiGbl_RootNodeStruct.Child        = NULL;
325    AcpiGbl_RootNodeStruct.Peer         = NULL;
326    AcpiGbl_RootNodeStruct.Object       = NULL;
327
328
329#ifdef ACPI_DISASSEMBLER
330    AcpiGbl_ExternalList                = NULL;
331#endif
332
333#ifdef ACPI_DEBUG_OUTPUT
334    AcpiGbl_LowestStackPointer          = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
335#endif
336
337#ifdef ACPI_DBG_TRACK_ALLOCATIONS
338    AcpiGbl_DisplayFinalMemStats        = FALSE;
339    AcpiGbl_DisableMemTracking          = FALSE;
340#endif
341
342    return_ACPI_STATUS (AE_OK);
343}
344
345/* Public globals */
346
347ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
348ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
349ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
350ACPI_EXPORT_SYMBOL (AcpiGpeCount)
351ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)
352