cmglobal.c

winNT技术操作系统,国外开放的原代码和LIUX一样

/******************************************************************************
 *
 * Module Name: cmglobal - Global variables for the ACPI subsystem
 *              $Revision: 1.1 $
 *
 *****************************************************************************/

/*
 *  Copyright (C) 2000, 2001 R. Byron Moore
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <acpi.h>


#define _COMPONENT          ACPI_UTILITIES
	 MODULE_NAME         ("cmglobal")


/******************************************************************************
 *
 * 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 */

u32                         acpi_dbg_level = NORMAL_DEFAULT;

/* Debug switch - layer (component) mask */

u32                         acpi_dbg_layer = ACPI_COMPONENT_DEFAULT;
u32                         acpi_gbl_nesting_level = 0;


/* Debugger globals */

u8                          acpi_gbl_db_terminate_threads = FALSE;
u8                          acpi_gbl_method_executing = FALSE;

/* System flags */

u32                         acpi_gbl_system_flags = 0;
u32                         acpi_gbl_startup_flags = 0;

/* System starts unitialized! */
u8                          acpi_gbl_shutdown = TRUE;


u8                          acpi_gbl_decode_to8bit [8] = {1,2,4,8,16,32,64,128};


/******************************************************************************
 *
 * Namespace globals
 *
 ******************************************************************************/


/*
 * Names built-in to the interpreter
 *
 * Initial values are currently supported only for types String and Number.
 * To avoid type punning, both are specified as strings in this table.
 *
 * NOTES:
 * 1) _SB_ is defined to be a device to allow _SB_/_INI to be run
 *    during the initialization sequence.
 */

PREDEFINED_NAMES            acpi_gbl_pre_defined_names[] =
{ {"_GPE",    INTERNAL_TYPE_DEF_ANY},
	{"_PR_",    INTERNAL_TYPE_DEF_ANY},
	{"_SB_",    ACPI_TYPE_DEVICE},
	{"_SI_",    INTERNAL_TYPE_DEF_ANY},
	{"_TZ_",    INTERNAL_TYPE_DEF_ANY},
	{"_REV",    ACPI_TYPE_INTEGER, "2"},
	{"_OS_",    ACPI_TYPE_STRING, ACPI_OS_NAME},
	{"_GL_",    ACPI_TYPE_MUTEX, "0"},
	{NULL,      ACPI_TYPE_ANY}           /* Table terminator */
};


/*
 * Properties of the ACPI Object Types, both internal and external.
 *
 * Elements of Acpi_ns_properties are bit significant
 * and the table is indexed by values of ACPI_OBJECT_TYPE
 */

u8                          acpi_gbl_ns_properties[] =
{
	NSP_NORMAL,                 /* 00 Any              */
	NSP_NORMAL,                 /* 01 Number           */
	NSP_NORMAL,                 /* 02 String           */
	NSP_NORMAL,                 /* 03 Buffer           */
	NSP_LOCAL,                  /* 04 Package          */
	NSP_NORMAL,                 /* 05 Field_unit       */
	NSP_NEWSCOPE | NSP_LOCAL,   /* 06 Device           */
	NSP_LOCAL,                  /* 07 Acpi_event       */
	NSP_NEWSCOPE | NSP_LOCAL,   /* 08 Method           */
	NSP_LOCAL,                  /* 09 Mutex            */
	NSP_LOCAL,                  /* 10 Region           */
	NSP_NEWSCOPE | NSP_LOCAL,   /* 11 Power            */
	NSP_NEWSCOPE | NSP_LOCAL,   /* 12 Processor        */
	NSP_NEWSCOPE | NSP_LOCAL,   /* 13 Thermal          */
	NSP_NORMAL,                 /* 14 Buffer_field     */
	NSP_NORMAL,                 /* 15 Ddb_handle       */
	NSP_NORMAL,                 /* 16 Debug Object     */
	NSP_NORMAL,                 /* 17 Def_field        */
	NSP_NORMAL,                 /* 18 Bank_field       */
	NSP_NORMAL,                 /* 19 Index_field      */
	NSP_NORMAL,                 /* 20 Reference        */
	NSP_NORMAL,                 /* 21 Alias            */
	NSP_NORMAL,                 /* 22 Notify           */
	NSP_NORMAL,                 /* 23 Address Handler  */
	NSP_NEWSCOPE | NSP_LOCAL,   /* 24 Resource         */
	NSP_NORMAL,                 /* 25 Def_field_defn   */
	NSP_NORMAL,                 /* 26 Bank_field_defn  */
	NSP_NORMAL,                 /* 27 Index_field_defn */
	NSP_NORMAL,                 /* 28 If               */
	NSP_NORMAL,                 /* 29 Else             */
	NSP_NORMAL,                 /* 30 While            */
	NSP_NEWSCOPE,               /* 31 Scope            */
	NSP_LOCAL,                  /* 32 Def_any          */
	NSP_NORMAL,                 /* 33 Extra            */
	NSP_NORMAL                  /* 34 Invalid          */
};


/* Hex to ASCII conversion table */

NATIVE_CHAR                 acpi_gbl_hex_to_ascii[] =
			  {'0','1','2','3','4','5','6','7',
			  '8','9','A','B','C','D','E','F'};


/******************************************************************************
 *
 * Table 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.
 *
 ******************************************************************************/


ACPI_TABLE_DESC             acpi_gbl_acpi_tables[NUM_ACPI_TABLES];


ACPI_TABLE_SUPPORT          acpi_gbl_acpi_table_data[NUM_ACPI_TABLES] =
{
	/***********    Name,    Signature,  Signature size,    How many allowed?,   Supported?  Global typed pointer */

	/* RSDP 0 */ {RSDP_NAME, RSDP_SIG, sizeof (RSDP_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      NULL},
	/* DSDT 1 */ {DSDT_SIG,  DSDT_SIG, sizeof (DSDT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_DSDT},
	/* FADT 2 */ {FADT_SIG,  FADT_SIG, sizeof (FADT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_FADT},
	/* FACS 3 */ {FACS_SIG,  FACS_SIG, sizeof (FACS_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_FACS},
	/* PSDT 4 */ {PSDT_SIG,  PSDT_SIG, sizeof (PSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK,      NULL},
	/* SSDT 5 */ {SSDT_SIG,  SSDT_SIG, sizeof (SSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK,      NULL},
	/* XSDT 6 */ {XSDT_SIG,  XSDT_SIG, sizeof (RSDT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      NULL},
};

/*
 * String versions of the exception codes above
 * These strings must match the corresponding defines exactly
 */
NATIVE_CHAR          *acpi_gbl_exception_names_env[] =
{
	"AE_OK",
	"AE_ERROR",
	"AE_NO_ACPI_TABLES",
	"AE_NO_NAMESPACE",
	"AE_NO_MEMORY",
	"AE_NOT_FOUND",
	"AE_NOT_EXIST",
	"AE_EXIST",
	"AE_TYPE",
	"AE_NULL_OBJECT",
	"AE_NULL_ENTRY",
	"AE_BUFFER_OVERFLOW",
	"AE_STACK_OVERFLOW",
	"AE_STACK_UNDERFLOW",
	"AE_NOT_IMPLEMENTED",
	"AE_VERSION_MISMATCH",
	"AE_SUPPORT",
	"AE_SHARE",
	"AE_LIMIT",
	"AE_TIME",
	"AE_UNKNOWN_STATUS",
	"AE_ACQUIRE_DEADLOCK",
	"AE_RELEASE_DEADLOCK",
	"AE_NOT_ACQUIRED",
	"AE_ALREADY_ACQUIRED",
	"AE_NO_HARDWARE_RESPONSE",
	"AE_NO_GLOBAL_LOCK",
};

static NATIVE_CHAR          *acpi_gbl_exception_names_pgm[] =
{
	"AE_BAD_PARAMETER",
	"AE_BAD_CHARACTER",
	"AE_BAD_PATHNAME",
	"AE_BAD_DATA",
	"AE_BAD_ADDRESS",
};

static NATIVE_CHAR          *acpi_gbl_exception_names_tbl[] =
{
	"AE_BAD_SIGNATURE",
	"AE_BAD_HEADER",
	"AE_BAD_CHECKSUM",
	"AE_BAD_VALUE",
};

static NATIVE_CHAR          *acpi_gbl_exception_names_aml[] =
{
	"AE_AML_ERROR",
	"AE_AML_PARSE",
	"AE_AML_BAD_OPCODE",
	"AE_AML_NO_OPERAND",
	"AE_AML_OPERAND_TYPE",
	"AE_AML_OPERAND_VALUE",
	"AE_AML_UNINITIALIZED_LOCAL",
	"AE_AML_UNINITIALIZED_ARG",
	"AE_AML_UNINITIALIZED_ELEMENT",
	"AE_AML_NUMERIC_OVERFLOW",
	"AE_AML_REGION_LIMIT",
	"AE_AML_BUFFER_LIMIT",
	"AE_AML_PACKAGE_LIMIT",
	"AE_AML_DIVIDE_BY_ZERO",
	"AE_AML_BAD_NAME",
	"AE_AML_NAME_NOT_FOUND",
	"AE_AML_INTERNAL",
	"AE_AML_INVALID_SPACE_ID",
	"AE_AML_STRING_LIMIT",
	"AE_AML_NO_RETURN_VALUE",
	"AE_AML_METHOD_LIMIT",
	"AE_AML_NOT_OWNER",
	"AE_AML_MUTEX_ORDER",
	"AE_AML_MUTEX_NOT_ACQUIRED",
};

static NATIVE_CHAR          *acpi_gbl_exception_names_ctrl[] =
{
	"AE_CTRL_RETURN_VALUE",
	"AE_CTRL_PENDING",
	"AE_CTRL_TERMINATE",
	"AE_CTRL_TRUE",
	"AE_CTRL_FALSE",
	"AE_CTRL_DEPTH",
	"AE_CTRL_END",
	"AE_CTRL_TRANSFER",
};

/*****************************************************************************
 *
 * FUNCTION:    Acpi_cm_valid_object_type
 *
 * PARAMETERS:  None.
 *
 * RETURN:      TRUE if valid object type
 *
 * DESCRIPTION: Validate an object type
 *
 ****************************************************************************/