823 lines
24 KiB
C
823 lines
24 KiB
C
/******************************************************************************
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*
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* Module Name: utglobal - Global variables for the ACPI subsystem
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2008, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#define DEFINE_ACPI_GLOBALS
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acnamesp.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME("utglobal")
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/*******************************************************************************
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*
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* Static global variable initialization.
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*
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******************************************************************************/
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/*
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* We want the debug switches statically initialized so they
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* are already set when the debugger is entered.
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*/
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/* Debug switch - level and trace mask */
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u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
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/* Debug switch - layer (component) mask */
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u32 acpi_dbg_layer = 0;
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u32 acpi_gbl_nesting_level = 0;
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/* Debugger globals */
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u8 acpi_gbl_db_terminate_threads = FALSE;
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u8 acpi_gbl_abort_method = FALSE;
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u8 acpi_gbl_method_executing = FALSE;
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/* System flags */
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u32 acpi_gbl_startup_flags = 0;
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/* System starts uninitialized */
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u8 acpi_gbl_shutdown = TRUE;
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const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
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"\\_S0_",
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"\\_S1_",
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"\\_S2_",
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"\\_S3_",
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"\\_S4_",
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"\\_S5_"
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};
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const char *acpi_gbl_highest_dstate_names[4] = {
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"_S1D",
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"_S2D",
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"_S3D",
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"_S4D"
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};
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/*******************************************************************************
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*
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* FUNCTION: acpi_format_exception
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*
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* PARAMETERS: Status - The acpi_status code to be formatted
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*
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* RETURN: A string containing the exception text. A valid pointer is
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* always returned.
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*
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* DESCRIPTION: This function translates an ACPI exception into an ASCII string
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* It is here instead of utxface.c so it is always present.
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*
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******************************************************************************/
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const char *acpi_format_exception(acpi_status status)
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{
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const char *exception = NULL;
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ACPI_FUNCTION_ENTRY();
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exception = acpi_ut_validate_exception(status);
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if (!exception) {
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/* Exception code was not recognized */
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ACPI_ERROR((AE_INFO,
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"Unknown exception code: 0x%8.8X", status));
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exception = "UNKNOWN_STATUS_CODE";
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dump_stack();
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}
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return (ACPI_CAST_PTR(const char, exception));
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}
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ACPI_EXPORT_SYMBOL(acpi_format_exception)
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/*******************************************************************************
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*
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* Namespace globals
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*
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******************************************************************************/
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/*
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* Predefined ACPI Names (Built-in to the Interpreter)
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*
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* NOTES:
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* 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
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* during the initialization sequence.
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* 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
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* perform a Notify() operation on it.
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*/
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const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
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{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_SB_", ACPI_TYPE_DEVICE, NULL},
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{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_TZ_", ACPI_TYPE_THERMAL, NULL},
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{"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},
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{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
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{"_GL_", ACPI_TYPE_MUTEX, (char *)1},
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#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
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{"_OSI", ACPI_TYPE_METHOD, (char *)1},
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#endif
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/* Table terminator */
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{NULL, ACPI_TYPE_ANY, NULL}
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};
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/*
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* Properties of the ACPI Object Types, both internal and external.
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* The table is indexed by values of acpi_object_type
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*/
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const u8 acpi_gbl_ns_properties[] = {
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ACPI_NS_NORMAL, /* 00 Any */
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ACPI_NS_NORMAL, /* 01 Number */
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ACPI_NS_NORMAL, /* 02 String */
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ACPI_NS_NORMAL, /* 03 Buffer */
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ACPI_NS_NORMAL, /* 04 Package */
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ACPI_NS_NORMAL, /* 05 field_unit */
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ACPI_NS_NEWSCOPE, /* 06 Device */
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ACPI_NS_NORMAL, /* 07 Event */
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ACPI_NS_NEWSCOPE, /* 08 Method */
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ACPI_NS_NORMAL, /* 09 Mutex */
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ACPI_NS_NORMAL, /* 10 Region */
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ACPI_NS_NEWSCOPE, /* 11 Power */
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ACPI_NS_NEWSCOPE, /* 12 Processor */
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ACPI_NS_NEWSCOPE, /* 13 Thermal */
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ACPI_NS_NORMAL, /* 14 buffer_field */
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ACPI_NS_NORMAL, /* 15 ddb_handle */
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ACPI_NS_NORMAL, /* 16 Debug Object */
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ACPI_NS_NORMAL, /* 17 def_field */
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ACPI_NS_NORMAL, /* 18 bank_field */
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ACPI_NS_NORMAL, /* 19 index_field */
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ACPI_NS_NORMAL, /* 20 Reference */
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ACPI_NS_NORMAL, /* 21 Alias */
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ACPI_NS_NORMAL, /* 22 method_alias */
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ACPI_NS_NORMAL, /* 23 Notify */
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ACPI_NS_NORMAL, /* 24 Address Handler */
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ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
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ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
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ACPI_NS_NEWSCOPE, /* 27 Scope */
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ACPI_NS_NORMAL, /* 28 Extra */
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ACPI_NS_NORMAL, /* 29 Data */
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ACPI_NS_NORMAL /* 30 Invalid */
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};
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/* Hex to ASCII conversion table */
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static const char acpi_gbl_hex_to_ascii[] = {
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'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
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};
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_hex_to_ascii_char
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*
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* PARAMETERS: Integer - Contains the hex digit
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* Position - bit position of the digit within the
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* integer (multiple of 4)
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*
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* RETURN: The converted Ascii character
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*
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* DESCRIPTION: Convert a hex digit to an Ascii character
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*
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******************************************************************************/
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char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position)
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{
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return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
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}
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/******************************************************************************
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*
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* Event and Hardware globals
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*
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******************************************************************************/
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struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
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/* Name Parent Register Register Bit Position Register Bit Mask */
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/* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_TIMER_STATUS,
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ACPI_BITMASK_TIMER_STATUS},
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/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_BUS_MASTER_STATUS,
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ACPI_BITMASK_BUS_MASTER_STATUS},
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/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
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ACPI_BITMASK_GLOBAL_LOCK_STATUS},
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/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_POWER_BUTTON_STATUS,
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ACPI_BITMASK_POWER_BUTTON_STATUS},
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/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
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ACPI_BITMASK_SLEEP_BUTTON_STATUS},
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/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_RT_CLOCK_STATUS,
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ACPI_BITMASK_RT_CLOCK_STATUS},
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/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_WAKE_STATUS,
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ACPI_BITMASK_WAKE_STATUS},
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/* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
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ACPI_BITMASK_PCIEXP_WAKE_STATUS},
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/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_TIMER_ENABLE,
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ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
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ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
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ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
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ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_RT_CLOCK_ENABLE,
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ACPI_BITMASK_RT_CLOCK_ENABLE},
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/* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
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ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
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/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_SCI_ENABLE,
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ACPI_BITMASK_SCI_ENABLE},
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/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_BUS_MASTER_RLD,
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ACPI_BITMASK_BUS_MASTER_RLD},
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/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
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ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
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/* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_SLEEP_TYPE_X,
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ACPI_BITMASK_SLEEP_TYPE_X},
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/* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_SLEEP_TYPE_X,
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ACPI_BITMASK_SLEEP_TYPE_X},
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/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_SLEEP_ENABLE,
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ACPI_BITMASK_SLEEP_ENABLE},
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/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL,
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ACPI_BITPOSITION_ARB_DISABLE,
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ACPI_BITMASK_ARB_DISABLE}
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};
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struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
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/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS,
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ACPI_BITREG_TIMER_ENABLE,
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ACPI_BITMASK_TIMER_STATUS,
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ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
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ACPI_BITREG_GLOBAL_LOCK_ENABLE,
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ACPI_BITMASK_GLOBAL_LOCK_STATUS,
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ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS,
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ACPI_BITREG_POWER_BUTTON_ENABLE,
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ACPI_BITMASK_POWER_BUTTON_STATUS,
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ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
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ACPI_BITREG_SLEEP_BUTTON_ENABLE,
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ACPI_BITMASK_SLEEP_BUTTON_STATUS,
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ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS,
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ACPI_BITREG_RT_CLOCK_ENABLE,
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ACPI_BITMASK_RT_CLOCK_STATUS,
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ACPI_BITMASK_RT_CLOCK_ENABLE},
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};
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_get_region_name
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*
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* PARAMETERS: None.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Translate a Space ID into a name string (Debug only)
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*
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******************************************************************************/
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/* Region type decoding */
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const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
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"SystemMemory",
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"SystemIO",
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"PCI_Config",
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"EmbeddedControl",
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"SMBus",
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"SystemCMOS",
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"PCIBARTarget",
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"DataTable"
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};
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char *acpi_ut_get_region_name(u8 space_id)
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{
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if (space_id >= ACPI_USER_REGION_BEGIN) {
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return ("UserDefinedRegion");
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} else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) {
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return ("InvalidSpaceId");
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}
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return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id]));
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_get_event_name
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*
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* PARAMETERS: None.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Translate a Event ID into a name string (Debug only)
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*
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******************************************************************************/
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/* Event type decoding */
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static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = {
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"PM_Timer",
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"GlobalLock",
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"PowerButton",
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"SleepButton",
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"RealTimeClock",
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};
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char *acpi_ut_get_event_name(u32 event_id)
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{
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if (event_id > ACPI_EVENT_MAX) {
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return ("InvalidEventID");
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}
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return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id]));
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_get_type_name
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*
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* PARAMETERS: None.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Translate a Type ID into a name string (Debug only)
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*
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******************************************************************************/
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/*
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* Elements of acpi_gbl_ns_type_names below must match
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* one-to-one with values of acpi_object_type
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*
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* The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
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* when stored in a table it really means that we have thus far seen no
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* evidence to indicate what type is actually going to be stored for this entry.
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*/
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static const char acpi_gbl_bad_type[] = "UNDEFINED";
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/* Printable names of the ACPI object types */
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static const char *acpi_gbl_ns_type_names[] = {
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/* 00 */ "Untyped",
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/* 01 */ "Integer",
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/* 02 */ "String",
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/* 03 */ "Buffer",
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/* 04 */ "Package",
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/* 05 */ "FieldUnit",
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/* 06 */ "Device",
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/* 07 */ "Event",
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/* 08 */ "Method",
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/* 09 */ "Mutex",
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/* 10 */ "Region",
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/* 11 */ "Power",
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/* 12 */ "Processor",
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/* 13 */ "Thermal",
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/* 14 */ "BufferField",
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/* 15 */ "DdbHandle",
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/* 16 */ "DebugObject",
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/* 17 */ "RegionField",
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/* 18 */ "BankField",
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/* 19 */ "IndexField",
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/* 20 */ "Reference",
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/* 21 */ "Alias",
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/* 22 */ "MethodAlias",
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/* 23 */ "Notify",
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/* 24 */ "AddrHandler",
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/* 25 */ "ResourceDesc",
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/* 26 */ "ResourceFld",
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/* 27 */ "Scope",
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/* 28 */ "Extra",
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/* 29 */ "Data",
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/* 30 */ "Invalid"
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};
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char *acpi_ut_get_type_name(acpi_object_type type)
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{
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|
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if (type > ACPI_TYPE_INVALID) {
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return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));
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}
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return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type]));
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}
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char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc)
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{
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|
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if (!obj_desc) {
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return ("[NULL Object Descriptor]");
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}
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return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)));
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}
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/*******************************************************************************
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*
|
|
* FUNCTION: acpi_ut_get_node_name
|
|
*
|
|
* PARAMETERS: Object - A namespace node
|
|
*
|
|
* RETURN: Pointer to a string
|
|
*
|
|
* DESCRIPTION: Validate the node and return the node's ACPI name.
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *acpi_ut_get_node_name(void *object)
|
|
{
|
|
struct acpi_namespace_node *node = (struct 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 == acpi_gbl_root_node)) {
|
|
return ("\"\\\" ");
|
|
}
|
|
|
|
/* Descriptor must be a namespace node */
|
|
|
|
if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
|
|
return ("####");
|
|
}
|
|
|
|
/* Name must be a valid ACPI name */
|
|
|
|
if (!acpi_ut_valid_acpi_name(node->name.integer)) {
|
|
node->name.integer = acpi_ut_repair_name(node->name.ascii);
|
|
}
|
|
|
|
/* Return the name */
|
|
|
|
return (node->name.ascii);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_get_descriptor_name
|
|
*
|
|
* PARAMETERS: Object - An ACPI object
|
|
*
|
|
* RETURN: Pointer to a string
|
|
*
|
|
* DESCRIPTION: Validate object and return the descriptor type
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* Printable names of object descriptor types */
|
|
|
|
static const char *acpi_gbl_desc_type_names[] = {
|
|
/* 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 *acpi_ut_get_descriptor_name(void *object)
|
|
{
|
|
|
|
if (!object) {
|
|
return ("NULL OBJECT");
|
|
}
|
|
|
|
if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) {
|
|
return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));
|
|
}
|
|
|
|
return (ACPI_CAST_PTR(char,
|
|
acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE
|
|
(object)]));
|
|
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_get_reference_name
|
|
*
|
|
* PARAMETERS: Object - An ACPI reference object
|
|
*
|
|
* RETURN: Pointer to a string
|
|
*
|
|
* DESCRIPTION: Decode a reference object sub-type to a string.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* Printable names of reference object sub-types */
|
|
|
|
static const char *acpi_gbl_ref_class_names[] = {
|
|
/* 00 */ "Local",
|
|
/* 01 */ "Argument",
|
|
/* 02 */ "RefOf",
|
|
/* 03 */ "Index",
|
|
/* 04 */ "DdbHandle",
|
|
/* 05 */ "Named Object",
|
|
/* 06 */ "Debug"
|
|
};
|
|
|
|
const char *acpi_ut_get_reference_name(union acpi_operand_object *object)
|
|
{
|
|
if (!object)
|
|
return "NULL Object";
|
|
|
|
if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND)
|
|
return "Not an Operand object";
|
|
|
|
if (object->common.type != ACPI_TYPE_LOCAL_REFERENCE)
|
|
return "Not a Reference object";
|
|
|
|
if (object->reference.class > ACPI_REFCLASS_MAX)
|
|
return "Unknown Reference class";
|
|
|
|
return acpi_gbl_ref_class_names[object->reference.class];
|
|
}
|
|
|
|
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
|
|
/*
|
|
* Strings and procedures used for debug only
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_get_mutex_name
|
|
*
|
|
* PARAMETERS: mutex_id - The predefined ID for this mutex.
|
|
*
|
|
* RETURN: String containing the name of the mutex. Always returns a valid
|
|
* pointer.
|
|
*
|
|
* DESCRIPTION: Translate a mutex ID into a name string (Debug only)
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *acpi_ut_get_mutex_name(u32 mutex_id)
|
|
{
|
|
|
|
if (mutex_id > ACPI_MAX_MUTEX) {
|
|
return ("Invalid Mutex ID");
|
|
}
|
|
|
|
return (acpi_gbl_mutex_names[mutex_id]);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_get_notify_name
|
|
*
|
|
* PARAMETERS: notify_value - Value from the Notify() request
|
|
*
|
|
* RETURN: String corresponding to the Notify Value.
|
|
*
|
|
* DESCRIPTION: Translate a Notify Value to a notify namestring.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* Names for Notify() values, used for debug output */
|
|
|
|
static const char *acpi_gbl_notify_value_names[] = {
|
|
"Bus Check",
|
|
"Device Check",
|
|
"Device Wake",
|
|
"Eject Request",
|
|
"Device Check Light",
|
|
"Frequency Mismatch",
|
|
"Bus Mode Mismatch",
|
|
"Power Fault",
|
|
"Capabilities Check",
|
|
"Device PLD Check",
|
|
"Reserved",
|
|
"System Locality Update"
|
|
};
|
|
|
|
const char *acpi_ut_get_notify_name(u32 notify_value)
|
|
{
|
|
|
|
if (notify_value <= ACPI_NOTIFY_MAX) {
|
|
return (acpi_gbl_notify_value_names[notify_value]);
|
|
} else if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
|
|
return ("Reserved");
|
|
} else { /* Greater or equal to 0x80 */
|
|
|
|
return ("**Device Specific**");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_valid_object_type
|
|
*
|
|
* PARAMETERS: Type - Object type to be validated
|
|
*
|
|
* RETURN: TRUE if valid object type, FALSE otherwise
|
|
*
|
|
* DESCRIPTION: Validate an object type
|
|
*
|
|
******************************************************************************/
|
|
|
|
u8 acpi_ut_valid_object_type(acpi_object_type type)
|
|
{
|
|
|
|
if (type > ACPI_TYPE_LOCAL_MAX) {
|
|
|
|
/* Note: Assumes all TYPEs are contiguous (external/local) */
|
|
|
|
return (FALSE);
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_init_globals
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Init library globals. All globals that require specific
|
|
* initialization should be initialized here!
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status acpi_ut_init_globals(void)
|
|
{
|
|
acpi_status status;
|
|
u32 i;
|
|
|
|
ACPI_FUNCTION_TRACE(ut_init_globals);
|
|
|
|
/* Create all memory caches */
|
|
|
|
status = acpi_ut_create_caches();
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Mutex locked flags */
|
|
|
|
for (i = 0; i < ACPI_NUM_MUTEX; i++) {
|
|
acpi_gbl_mutex_info[i].mutex = NULL;
|
|
acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
|
|
acpi_gbl_mutex_info[i].use_count = 0;
|
|
}
|
|
|
|
for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {
|
|
acpi_gbl_owner_id_mask[i] = 0;
|
|
}
|
|
acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */
|
|
|
|
/* GPE support */
|
|
|
|
acpi_gbl_gpe_xrupt_list_head = NULL;
|
|
acpi_gbl_gpe_fadt_blocks[0] = NULL;
|
|
acpi_gbl_gpe_fadt_blocks[1] = NULL;
|
|
acpi_current_gpe_count = 0;
|
|
|
|
/* Global handlers */
|
|
|
|
acpi_gbl_system_notify.handler = NULL;
|
|
acpi_gbl_device_notify.handler = NULL;
|
|
acpi_gbl_exception_handler = NULL;
|
|
acpi_gbl_init_handler = NULL;
|
|
acpi_gbl_table_handler = NULL;
|
|
|
|
/* Global Lock support */
|
|
|
|
acpi_gbl_global_lock_semaphore = NULL;
|
|
acpi_gbl_global_lock_mutex = NULL;
|
|
acpi_gbl_global_lock_acquired = FALSE;
|
|
acpi_gbl_global_lock_handle = 0;
|
|
acpi_gbl_global_lock_present = FALSE;
|
|
|
|
/* Miscellaneous variables */
|
|
|
|
acpi_gbl_cm_single_step = FALSE;
|
|
acpi_gbl_db_terminate_threads = FALSE;
|
|
acpi_gbl_shutdown = FALSE;
|
|
acpi_gbl_ns_lookup_count = 0;
|
|
acpi_gbl_ps_find_count = 0;
|
|
acpi_gbl_acpi_hardware_present = TRUE;
|
|
acpi_gbl_last_owner_id_index = 0;
|
|
acpi_gbl_next_owner_id_offset = 0;
|
|
acpi_gbl_trace_method_name = 0;
|
|
acpi_gbl_trace_dbg_level = 0;
|
|
acpi_gbl_trace_dbg_layer = 0;
|
|
acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
|
|
acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
|
|
|
|
/* Hardware oriented */
|
|
|
|
acpi_gbl_events_initialized = FALSE;
|
|
acpi_gbl_system_awake_and_running = TRUE;
|
|
|
|
/* Namespace */
|
|
|
|
acpi_gbl_root_node = NULL;
|
|
acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
|
|
acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
|
|
acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
|
|
acpi_gbl_root_node_struct.child = NULL;
|
|
acpi_gbl_root_node_struct.peer = NULL;
|
|
acpi_gbl_root_node_struct.object = NULL;
|
|
acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;
|
|
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
|
|
#endif
|
|
|
|
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
|
|
acpi_gbl_display_final_mem_stats = FALSE;
|
|
#endif
|
|
|
|
return_ACPI_STATUS(AE_OK);
|
|
}
|
|
|
|
ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
|
|
ACPI_EXPORT_SYMBOL(acpi_dbg_level)
|
|
ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
|
|
ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)
|