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acconfig.h

/******************************************************************************
 *
 * Name: acconfig.h - Global configuration constants
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2005, R. Byron Moore
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef _ACCONFIG_H
#define _ACCONFIG_H


/******************************************************************************
 *
 * Configuration options
 *
 *****************************************************************************/

/*
 * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
 *                        ACPI subsystem.  This includes the DEBUG_PRINT output
 *                        statements.  When disabled, all DEBUG_PRINT
 *                        statements are compiled out.
 *
 * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
 *                        at the application level.
 *
 */

/* Version string */

#define ACPI_CA_VERSION                 0x20050408

/*
 * OS name, used for the _OS object.  The _OS object is essentially obsolete,
 * but there is a large base of ASL/AML code in existing machines that check
 * for the string below.  The use of this string usually guarantees that
 * the ASL will execute down the most tested code path.  Also, there is some
 * code that will not execute the _OSI method unless _OS matches the string
 * below.  Therefore, change this string at your own risk.
 */
#define ACPI_OS_NAME                    "Microsoft Windows NT"

/* Maximum objects in the various object caches */

#define ACPI_MAX_STATE_CACHE_DEPTH      64          /* State objects */
#define ACPI_MAX_PARSE_CACHE_DEPTH      96          /* Parse tree objects */
#define ACPI_MAX_EXTPARSE_CACHE_DEPTH   64          /* Parse tree objects */
#define ACPI_MAX_OBJECT_CACHE_DEPTH     64          /* Interpreter operand objects */
#define ACPI_MAX_WALK_CACHE_DEPTH       4           /* Objects for parse tree walks */

/*
 * Should the subystem abort the loading of an ACPI table if the
 * table checksum is incorrect?
 */
#define ACPI_CHECKSUM_ABORT             FALSE


/******************************************************************************
 *
 * Subsystem Constants
 *
 *****************************************************************************/

/* Version of ACPI supported */

#define ACPI_CA_SUPPORT_LEVEL           3

/* String size constants */

#define ACPI_MAX_STRING_LENGTH          512
#define ACPI_PATHNAME_MAX               256         /* A full namespace pathname */

/* Maximum count for a semaphore object */

#define ACPI_MAX_SEMAPHORE_COUNT        256

/* Max reference count (for debug only) */

#define ACPI_MAX_REFERENCE_COUNT        0x400

/* Size of cached memory mapping for system memory operation region */

#define ACPI_SYSMEM_REGION_WINDOW_SIZE  4096


/******************************************************************************
 *
 * ACPI Specification constants (Do not change unless the specification changes)
 *
 *****************************************************************************/

/* Number of distinct GPE register blocks and register width */

#define ACPI_MAX_GPE_BLOCKS             2
#define ACPI_GPE_REGISTER_WIDTH         8

/* Method info (in WALK_STATE), containing local variables and argumetns */

#define ACPI_METHOD_NUM_LOCALS          8
#define ACPI_METHOD_MAX_LOCAL           7

#define ACPI_METHOD_NUM_ARGS            7
#define ACPI_METHOD_MAX_ARG             6

/* Maximum length of resulting string when converting from a buffer */

#define ACPI_MAX_STRING_CONVERSION      200

/* Length of _HID, _UID, and _CID values */

#define ACPI_DEVICE_ID_LENGTH           0x09
#define ACPI_MAX_CID_LENGTH             48

/*
 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
 */
#define ACPI_OBJ_NUM_OPERANDS           8
#define ACPI_OBJ_MAX_OPERAND            7

/* Names within the namespace are 4 bytes long */

#define ACPI_NAME_SIZE                  4
#define ACPI_PATH_SEGMENT_LENGTH        5           /* 4 chars for name + 1 char for separator */
#define ACPI_PATH_SEPARATOR             '.'

/* Constants used in searching for the RSDP in low memory */

#define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
#define ACPI_EBDA_PTR_LENGTH            2
#define ACPI_EBDA_WINDOW_SIZE           1024
#define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
#define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
#define ACPI_RSDP_SCAN_STEP             16

/* Operation regions */

#define ACPI_NUM_PREDEFINED_REGIONS     8
#define ACPI_USER_REGION_BEGIN          0x80

/* Maximum space_ids for Operation Regions */

#define ACPI_MAX_ADDRESS_SPACE          255

/* Array sizes.  Used for range checking also */

#define ACPI_NUM_ACCESS_TYPES           6
#define ACPI_NUM_UPDATE_RULES           3
#define ACPI_NUM_LOCK_RULES             2
#define ACPI_NUM_MATCH_OPS              6
#define ACPI_NUM_OPCODES                256
#define ACPI_NUM_FIELD_NAMES            2

/* RSDP checksums */

#define ACPI_RSDP_CHECKSUM_LENGTH       20
#define ACPI_RSDP_XCHECKSUM_LENGTH      36

/* SMBus bidirectional buffer size */

#define ACPI_SMBUS_BUFFER_SIZE          34

/* Number of strings associated with the _OSI reserved method */

#define ACPI_NUM_OSI_STRINGS            10


/******************************************************************************
 *
 * ACPI AML Debugger
 *
 *****************************************************************************/

#define ACPI_DEBUGGER_MAX_ARGS          8  /* Must be max method args + 1 */

#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'


#endif /* _ACCONFIG_H */


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