freebsd-dev/sys/contrib/dev/acpica/utglobal.c
2004-05-25 02:40:48 +00:00

1007 lines
34 KiB
C

/******************************************************************************
*
* Module Name: utglobal - Global variables for the ACPI subsystem
* $Revision: 201 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTGLOBAL_C__
#define DEFINE_ACPI_GLOBALS
#include "acpi.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utglobal")
/******************************************************************************
*
* FUNCTION: AcpiFormatException
*
* PARAMETERS: Status - The ACPI_STATUS code to be formatted
*
* RETURN: A string containing the exception text
*
* DESCRIPTION: This function translates an ACPI exception into an ASCII string.
*
******************************************************************************/
const char *
AcpiFormatException (
ACPI_STATUS Status)
{
const char *Exception = "UNKNOWN_STATUS_CODE";
ACPI_STATUS SubStatus;
ACPI_FUNCTION_NAME ("FormatException");
SubStatus = (Status & ~AE_CODE_MASK);
switch (Status & AE_CODE_MASK)
{
case AE_CODE_ENVIRONMENTAL:
if (SubStatus <= AE_CODE_ENV_MAX)
{
Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
break;
}
goto Unknown;
case AE_CODE_PROGRAMMER:
if (SubStatus <= AE_CODE_PGM_MAX)
{
Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus -1];
break;
}
goto Unknown;
case AE_CODE_ACPI_TABLES:
if (SubStatus <= AE_CODE_TBL_MAX)
{
Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus -1];
break;
}
goto Unknown;
case AE_CODE_AML:
if (SubStatus <= AE_CODE_AML_MAX)
{
Exception = AcpiGbl_ExceptionNames_Aml [SubStatus -1];
break;
}
goto Unknown;
case AE_CODE_CONTROL:
if (SubStatus <= AE_CODE_CTRL_MAX)
{
Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus -1];
break;
}
goto Unknown;
default:
goto Unknown;
}
return ((const char *) Exception);
Unknown:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown exception code: 0x%8.8X\n", Status));
return ((const char *) Exception);
}
/******************************************************************************
*
* Static global variable initialization.
*
******************************************************************************/
/*
* We want the debug switches statically initialized so they
* are already set when the debugger is entered.
*/
/* Debug switch - level and trace mask */
#ifdef ACPI_DEBUG_OUTPUT
UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
#else
UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
#endif
/* Debug switch - layer (component) mask */
UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
UINT32 AcpiGbl_NestingLevel = 0;
/* Debugger globals */
BOOLEAN AcpiGbl_DbTerminateThreads = FALSE;
BOOLEAN AcpiGbl_AbortMethod = FALSE;
BOOLEAN AcpiGbl_MethodExecuting = FALSE;
/* System flags */
UINT32 AcpiGbl_StartupFlags = 0;
/* System starts uninitialized */
BOOLEAN AcpiGbl_Shutdown = TRUE;
const UINT8 AcpiGbl_DecodeTo8bit [8] = {1,2,4,8,16,32,64,128};
const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
{
"\\_S0_",
"\\_S1_",
"\\_S2_",
"\\_S3_",
"\\_S4_",
"\\_S5_"
};
const char *AcpiGbl_HighestDstateNames[4] =
{
"_S1D",
"_S2D",
"_S3D",
"_S4D"
};
/*
* Strings supported by the _OSI predefined (internal) method.
* When adding strings, be sure to update ACPI_NUM_OSI_STRINGS.
*/
const char *AcpiGbl_ValidOsiStrings[ACPI_NUM_OSI_STRINGS] =
{
"Linux",
"Windows 2000",
"Windows 2001",
"Windows 2001.1",
"Windows 2001 SP0",
"Windows 2001 SP1",
"Windows 2001 SP2",
"Windows 2001 SP3",
"Windows 2001 SP4"
};
/******************************************************************************
*
* Namespace globals
*
******************************************************************************/
/*
* Predefined ACPI Names (Built-in to the Interpreter)
*
* NOTES:
* 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
* during the initialization sequence.
*/
const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] =
{
{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
{"_SB_", ACPI_TYPE_DEVICE, NULL},
{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
{"_TZ_", ACPI_TYPE_THERMAL, NULL},
{"_REV", ACPI_TYPE_INTEGER, "2"},
{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
{"_GL_", ACPI_TYPE_MUTEX, "0"},
#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
{"_OSI", ACPI_TYPE_METHOD, "1"},
#endif
{NULL, ACPI_TYPE_ANY, NULL} /* Table terminator */
};
/*
* Properties of the ACPI Object Types, both internal and external.
* The table is indexed by values of ACPI_OBJECT_TYPE
*/
const UINT8 AcpiGbl_NsProperties[] =
{
ACPI_NS_NORMAL, /* 00 Any */
ACPI_NS_NORMAL, /* 01 Number */
ACPI_NS_NORMAL, /* 02 String */
ACPI_NS_NORMAL, /* 03 Buffer */
ACPI_NS_NORMAL, /* 04 Package */
ACPI_NS_NORMAL, /* 05 FieldUnit */
ACPI_NS_NEWSCOPE, /* 06 Device */
ACPI_NS_NORMAL, /* 07 Event */
ACPI_NS_NEWSCOPE, /* 08 Method */
ACPI_NS_NORMAL, /* 09 Mutex */
ACPI_NS_NORMAL, /* 10 Region */
ACPI_NS_NEWSCOPE, /* 11 Power */
ACPI_NS_NEWSCOPE, /* 12 Processor */
ACPI_NS_NEWSCOPE, /* 13 Thermal */
ACPI_NS_NORMAL, /* 14 BufferField */
ACPI_NS_NORMAL, /* 15 DdbHandle */
ACPI_NS_NORMAL, /* 16 Debug Object */
ACPI_NS_NORMAL, /* 17 DefField */
ACPI_NS_NORMAL, /* 18 BankField */
ACPI_NS_NORMAL, /* 19 IndexField */
ACPI_NS_NORMAL, /* 20 Reference */
ACPI_NS_NORMAL, /* 21 Alias */
ACPI_NS_NORMAL, /* 22 MethodAlias */
ACPI_NS_NORMAL, /* 23 Notify */
ACPI_NS_NORMAL, /* 24 Address Handler */
ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
ACPI_NS_NEWSCOPE, /* 27 Scope */
ACPI_NS_NORMAL, /* 28 Extra */
ACPI_NS_NORMAL, /* 29 Data */
ACPI_NS_NORMAL /* 30 Invalid */
};
/* Hex to ASCII conversion table */
static const char AcpiGbl_HexToAscii[] =
{'0','1','2','3','4','5','6','7',
'8','9','A','B','C','D','E','F'};
/*****************************************************************************
*
* FUNCTION: AcpiUtHexToAsciiChar
*
* PARAMETERS: Integer - Contains the hex digit
* Position - bit position of the digit within the
* integer
*
* RETURN: Ascii character
*
* DESCRIPTION: Convert a hex digit to an ascii character
*
****************************************************************************/
char
AcpiUtHexToAsciiChar (
ACPI_INTEGER Integer,
UINT32 Position)
{
return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]);
}
/******************************************************************************
*
* Table name globals
*
* NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
* it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables
* that are not used by the subsystem are simply ignored.
*
* Do NOT add any table to this list that is not consumed directly by this
* subsystem.
*
******************************************************************************/
ACPI_TABLE_LIST AcpiGbl_TableLists[NUM_ACPI_TABLE_TYPES];
ACPI_TABLE_SUPPORT AcpiGbl_TableData[NUM_ACPI_TABLE_TYPES] =
{
/*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */
/* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE},
/* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *) &AcpiGbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE | ACPI_TABLE_EXECUTABLE},
/* FADT 2 */ {FADT_SIG, FADT_SIG, (void *) &AcpiGbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE},
/* FACS 3 */ {FACS_SIG, FACS_SIG, (void *) &AcpiGbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE},
/* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
/* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
/* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE},
};
/******************************************************************************
*
* Event and Hardware globals
*
******************************************************************************/
ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
{
/* Name Parent Register Register Bit Position Register Bit Mask */
/* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
/* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0},
/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
/* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X},
/* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X},
/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE}
};
ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
{
/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE},
};
/*****************************************************************************
*
* FUNCTION: AcpiUtGetRegionName
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Translate a Space ID into a name string (Debug only)
*
****************************************************************************/
/* Region type decoding */
const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
{
/*! [Begin] no source code translation (keep these ASL Keywords as-is) */
"SystemMemory",
"SystemIO",
"PCI_Config",
"EmbeddedControl",
"SMBus",
"CMOS",
"PCIBARTarget",
"DataTable"
/*! [End] no source code translation !*/
};
char *
AcpiUtGetRegionName (
UINT8 SpaceId)
{
if (SpaceId >= ACPI_USER_REGION_BEGIN)
{
return ("UserDefinedRegion");
}
else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
{
return ("InvalidSpaceId");
}
return ((char *) (uintptr_t) AcpiGbl_RegionTypes[SpaceId]);
}
/*****************************************************************************
*
* FUNCTION: AcpiUtGetEventName
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Translate a Event ID into a name string (Debug only)
*
****************************************************************************/
/* Event type decoding */
static const char *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] =
{
"PM_Timer",
"GlobalLock",
"PowerButton",
"SleepButton",
"RealTimeClock",
};
char *
AcpiUtGetEventName (
UINT32 EventId)
{
if (EventId > ACPI_EVENT_MAX)
{
return ("InvalidEventID");
}
return ((char *) (uintptr_t) AcpiGbl_EventTypes[EventId]);
}
/*****************************************************************************
*
* FUNCTION: AcpiUtGetTypeName
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Translate a Type ID into a name string (Debug only)
*
****************************************************************************/
/*
* Elements of AcpiGbl_NsTypeNames below must match
* one-to-one with values of ACPI_OBJECT_TYPE
*
* The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; when
* stored in a table it really means that we have thus far seen no evidence to
* indicate what type is actually going to be stored for this entry.
*/
static const char AcpiGbl_BadType[] = "UNDEFINED";
#define TYPE_NAME_LENGTH 12 /* Maximum length of each string */
static const char *AcpiGbl_NsTypeNames[] = /* printable names of ACPI types */
{
/* 00 */ "Untyped",
/* 01 */ "Integer",
/* 02 */ "String",
/* 03 */ "Buffer",
/* 04 */ "Package",
/* 05 */ "FieldUnit",
/* 06 */ "Device",
/* 07 */ "Event",
/* 08 */ "Method",
/* 09 */ "Mutex",
/* 10 */ "Region",
/* 11 */ "Power",
/* 12 */ "Processor",
/* 13 */ "Thermal",
/* 14 */ "BufferField",
/* 15 */ "DdbHandle",
/* 16 */ "DebugObject",
/* 17 */ "RegionField",
/* 18 */ "BankField",
/* 19 */ "IndexField",
/* 20 */ "Reference",
/* 21 */ "Alias",
/* 22 */ "MethodAlias",
/* 23 */ "Notify",
/* 24 */ "AddrHandler",
/* 25 */ "ResourceDesc",
/* 26 */ "ResourceFld",
/* 27 */ "Scope",
/* 28 */ "Extra",
/* 29 */ "Data",
/* 30 */ "Invalid"
};
char *
AcpiUtGetTypeName (
ACPI_OBJECT_TYPE Type)
{
if (Type > ACPI_TYPE_INVALID)
{
return ((char *) (uintptr_t) AcpiGbl_BadType);
}
return ((char *) (uintptr_t) AcpiGbl_NsTypeNames[Type]);
}
char *
AcpiUtGetObjectTypeName (
ACPI_OPERAND_OBJECT *ObjDesc)
{
if (!ObjDesc)
{
return ("[NULL Object Descriptor]");
}
return (AcpiUtGetTypeName (ACPI_GET_OBJECT_TYPE (ObjDesc)));
}
/*****************************************************************************
*
* FUNCTION: AcpiUtGetNodeName
*
* PARAMETERS: Object - A namespace node
*
* RETURN: Pointer to a string
*
* DESCRIPTION: Validate the node and return the node's ACPI name.
*
****************************************************************************/
char *
AcpiUtGetNodeName (
void *Object)
{
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) Object;
/* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
if (!Object)
{
return ("NULL");
}
/* Check for Root node */
if ((Object == ACPI_ROOT_OBJECT) ||
(Object == AcpiGbl_RootNode))
{
return ("\"\\\" ");
}
/* Descriptor must be a namespace node */
if (Node->Descriptor != ACPI_DESC_TYPE_NAMED)
{
return ("####");
}
/* Name must be a valid ACPI name */
if (!AcpiUtValidAcpiName (* (UINT32 *) Node->Name.Ascii))
{
return ("????");
}
/* Return the name */
return (Node->Name.Ascii);
}
/*****************************************************************************
*
* FUNCTION: AcpiUtGetDescriptorName
*
* PARAMETERS: Object - An ACPI object
*
* RETURN: Pointer to a string
*
* DESCRIPTION: Validate object and return the descriptor type
*
****************************************************************************/
static const char *AcpiGbl_DescTypeNames[] = /* printable names of descriptor types */
{
/* 00 */ "Invalid",
/* 01 */ "Cached",
/* 02 */ "State-Generic",
/* 03 */ "State-Update",
/* 04 */ "State-Package",
/* 05 */ "State-Control",
/* 06 */ "State-RootParseScope",
/* 07 */ "State-ParseScope",
/* 08 */ "State-WalkScope",
/* 09 */ "State-Result",
/* 10 */ "State-Notify",
/* 11 */ "State-Thread",
/* 12 */ "Walk",
/* 13 */ "Parser",
/* 14 */ "Operand",
/* 15 */ "Node"
};
char *
AcpiUtGetDescriptorName (
void *Object)
{
if (!Object)
{
return ("NULL OBJECT");
}
if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX)
{
return ((char *) (uintptr_t) AcpiGbl_BadType);
}
return ((char *) (uintptr_t) AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)]);
}
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
/*
* Strings and procedures used for debug only
*/
/*****************************************************************************
*
* FUNCTION: AcpiUtGetMutexName
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Translate a mutex ID into a name string (Debug only)
*
****************************************************************************/
char *
AcpiUtGetMutexName (
UINT32 MutexId)
{
if (MutexId > MAX_MUTEX)
{
return ("Invalid Mutex ID");
}
return (AcpiGbl_MutexNames[MutexId]);
}
#endif
/*****************************************************************************
*
* FUNCTION: AcpiUtValidObjectType
*
* PARAMETERS: Type - Object type to be validated
*
* RETURN: TRUE if valid object type
*
* DESCRIPTION: Validate an object type
*
****************************************************************************/
BOOLEAN
AcpiUtValidObjectType (
ACPI_OBJECT_TYPE Type)
{
if (Type > ACPI_TYPE_LOCAL_MAX)
{
/* Note: Assumes all TYPEs are contiguous (external/local) */
return (FALSE);
}
return (TRUE);
}
/****************************************************************************
*
* FUNCTION: AcpiUtAllocateOwnerId
*
* PARAMETERS: IdType - Type of ID (method or table)
*
* DESCRIPTION: Allocate a table or method owner id
*
***************************************************************************/
ACPI_OWNER_ID
AcpiUtAllocateOwnerId (
UINT32 IdType)
{
ACPI_OWNER_ID OwnerId = 0xFFFF;
ACPI_FUNCTION_TRACE ("UtAllocateOwnerId");
if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES)))
{
return (0);
}
switch (IdType)
{
case ACPI_OWNER_TYPE_TABLE:
OwnerId = AcpiGbl_NextTableOwnerId;
AcpiGbl_NextTableOwnerId++;
/* Check for wraparound */
if (AcpiGbl_NextTableOwnerId == ACPI_FIRST_METHOD_ID)
{
AcpiGbl_NextTableOwnerId = ACPI_FIRST_TABLE_ID;
ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
}
break;
case ACPI_OWNER_TYPE_METHOD:
OwnerId = AcpiGbl_NextMethodOwnerId;
AcpiGbl_NextMethodOwnerId++;
if (AcpiGbl_NextMethodOwnerId == ACPI_FIRST_TABLE_ID)
{
/* Check for wraparound */
AcpiGbl_NextMethodOwnerId = ACPI_FIRST_METHOD_ID;
}
break;
default:
break;
}
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
return_VALUE (OwnerId);
}
/****************************************************************************
*
* FUNCTION: AcpiUtInitGlobals
*
* PARAMETERS: none
*
* DESCRIPTION: Init library globals. All globals that require specific
* initialization should be initialized here!
*
***************************************************************************/
void
AcpiUtInitGlobals (
void)
{
UINT32 i;
ACPI_FUNCTION_TRACE ("UtInitGlobals");
/* Memory allocation and cache lists */
ACPI_MEMSET (AcpiGbl_MemoryLists, 0, sizeof (ACPI_MEMORY_LIST) * ACPI_NUM_MEM_LISTS);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_GENERIC_STATE *) NULL)->Common.Next), NULL);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_PARSE_OBJECT *) NULL)->Common.Next), NULL);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_PARSE_OBJECT *) NULL)->Common.Next), NULL);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_OPERAND_OBJECT *) NULL)->Cache.Next), NULL);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_WALK_STATE *) NULL)->Next), NULL);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].ObjectSize = sizeof (ACPI_NAMESPACE_NODE);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].ObjectSize = sizeof (ACPI_GENERIC_STATE);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].ObjectSize = sizeof (ACPI_PARSE_OBJ_COMMON);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].ObjectSize = sizeof (ACPI_PARSE_OBJ_NAMED);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].ObjectSize = sizeof (ACPI_OPERAND_OBJECT);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].ObjectSize = sizeof (ACPI_WALK_STATE);
AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].MaxCacheDepth = ACPI_MAX_STATE_CACHE_DEPTH;
AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].MaxCacheDepth = ACPI_MAX_PARSE_CACHE_DEPTH;
AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].MaxCacheDepth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].MaxCacheDepth = ACPI_MAX_OBJECT_CACHE_DEPTH;
AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].MaxCacheDepth = ACPI_MAX_WALK_CACHE_DEPTH;
ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].ListName = "Global Memory Allocation");
ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].ListName = "Namespace Nodes");
ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].ListName = "State Object Cache");
ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].ListName = "Parse Node Cache");
ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].ListName = "Extended Parse Node Cache");
ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].ListName = "Operand Object Cache");
ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].ListName = "Tree Walk Node Cache");
/* ACPI table structure */
for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++)
{
AcpiGbl_TableLists[i].Next = NULL;
AcpiGbl_TableLists[i].Count = 0;
}
/* Mutex locked flags */
for (i = 0; i < NUM_MUTEX; i++)
{
AcpiGbl_MutexInfo[i].Mutex = NULL;
AcpiGbl_MutexInfo[i].OwnerId = ACPI_MUTEX_NOT_ACQUIRED;
AcpiGbl_MutexInfo[i].UseCount = 0;
}
/* GPE support */
AcpiGbl_GpeXruptListHead = NULL;
AcpiGbl_GpeFadtBlocks[0] = NULL;
AcpiGbl_GpeFadtBlocks[1] = NULL;
/* Global notify handlers */
AcpiGbl_SystemNotify.Handler = NULL;
AcpiGbl_DeviceNotify.Handler = NULL;
AcpiGbl_InitHandler = NULL;
/* Global "typed" ACPI table pointers */
AcpiGbl_RSDP = NULL;
AcpiGbl_XSDT = NULL;
AcpiGbl_FACS = NULL;
AcpiGbl_FADT = NULL;
AcpiGbl_DSDT = NULL;
/* Global Lock support */
AcpiGbl_GlobalLockAcquired = FALSE;
AcpiGbl_GlobalLockThreadCount = 0;
AcpiGbl_GlobalLockHandle = 0;
/* Miscellaneous variables */
AcpiGbl_TableFlags = ACPI_PHYSICAL_POINTER;
AcpiGbl_RsdpOriginalLocation = 0;
AcpiGbl_CmSingleStep = FALSE;
AcpiGbl_DbTerminateThreads = FALSE;
AcpiGbl_Shutdown = FALSE;
AcpiGbl_NsLookupCount = 0;
AcpiGbl_PsFindCount = 0;
AcpiGbl_AcpiHardwarePresent = TRUE;
AcpiGbl_NextTableOwnerId = ACPI_FIRST_TABLE_ID;
AcpiGbl_NextMethodOwnerId = ACPI_FIRST_METHOD_ID;
AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
/* Hardware oriented */
AcpiGbl_EventsInitialized = FALSE;
AcpiGbl_SystemAwakeAndRunning = TRUE;
/* Namespace */
AcpiGbl_RootNode = NULL;
AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
AcpiGbl_RootNodeStruct.Descriptor = ACPI_DESC_TYPE_NAMED;
AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
AcpiGbl_RootNodeStruct.Child = NULL;
AcpiGbl_RootNodeStruct.Peer = NULL;
AcpiGbl_RootNodeStruct.Object = NULL;
AcpiGbl_RootNodeStruct.Flags = ANOBJ_END_OF_PEER_LIST;
#ifdef ACPI_DEBUG_OUTPUT
AcpiGbl_LowestStackPointer = ACPI_SIZE_MAX;
#endif
return_VOID;
}