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f9f4601f33
The use of the CPU stack in the debug version of the subsystem has been considerably reduced. Previously, a debug structure was declared in every function that used the debug macros. This structure has been removed in favor of declaring the individual elements as parameters to the debug functions. This reduces the cumulative stack use during nested execution of ACPI function calls at the cost of a small increase in the code size of the debug version of the subsystem. With assistance from Alexey Starikovskiy and Len Brown. Added the ACPI_GET_FUNCTION_NAME macro to enable the compiler-dependent headers to define a macro that will return the current function name at runtime (such as __FUNCTION__ or _func_, etc.) The function name is used by the debug trace output. If ACPI_GET_FUNCTION_NAME is not defined in the compiler-dependent header, the function name is saved on the CPU stack (one pointer per function.) This mechanism is used because apparently there exists no standard ANSI-C defined macro that that returns the function name. Alexey Starikovskiy redesigned and reimplemented the "Owner ID" mechanism used to track namespace objects created/deleted by ACPI tables and control method execution. A bitmap is now used to allocate and free the IDs, thus solving the wraparound problem present in the previous implementation. The size of the namespace node descriptor was reduced by 2 bytes as a result. Removed the UINT32_BIT and UINT16_BIT types that were used for the bitfield flag definitions within the headers for the predefined ACPI tables. These have been replaced by UINT8_BIT in order to increase the code portability of the subsystem. If the use of UINT8 remains a problem, we may be forced to eliminate bitfields entirely because of a lack of portability. Alexey Starikovksiy enhanced the performance of acpi_ut_update_object_reference. This is a frequently used function and this improvement increases the performance of the entire subsystem. Alexey Starikovskiy fixed several possible memory leaks and the inverse - premature object deletion. Signed-off-by: Len Brown <len.brown@intel.com>
854 lines
26 KiB
C
854 lines
26 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 - 2005, R. Byron Moore
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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 <linux/module.h>
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#include <acpi/acpi.h>
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#include <acpi/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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* 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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*
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******************************************************************************/
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const char *
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acpi_format_exception (
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acpi_status status)
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{
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acpi_status sub_status;
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const char *exception = NULL;
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ACPI_FUNCTION_NAME ("format_exception");
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sub_status = (status & ~AE_CODE_MASK);
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switch (status & AE_CODE_MASK) {
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case AE_CODE_ENVIRONMENTAL:
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if (sub_status <= AE_CODE_ENV_MAX) {
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exception = acpi_gbl_exception_names_env [sub_status];
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}
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break;
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case AE_CODE_PROGRAMMER:
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if (sub_status <= AE_CODE_PGM_MAX) {
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exception = acpi_gbl_exception_names_pgm [sub_status -1];
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}
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break;
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case AE_CODE_ACPI_TABLES:
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if (sub_status <= AE_CODE_TBL_MAX) {
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exception = acpi_gbl_exception_names_tbl [sub_status -1];
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}
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break;
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case AE_CODE_AML:
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if (sub_status <= AE_CODE_AML_MAX) {
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exception = acpi_gbl_exception_names_aml [sub_status -1];
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}
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break;
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case AE_CODE_CONTROL:
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if (sub_status <= AE_CODE_CTRL_MAX) {
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exception = acpi_gbl_exception_names_ctrl [sub_status -1];
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}
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break;
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default:
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break;
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}
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if (!exception) {
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/* Exception code was not recognized */
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
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"Unknown exception code: 0x%8.8X\n", status));
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return ((const char *) "UNKNOWN_STATUS_CODE");
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}
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return ((const char *) exception);
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}
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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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EXPORT_SYMBOL(acpi_dbg_level);
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/* Debug switch - layer (component) mask */
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u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS;
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EXPORT_SYMBOL(acpi_dbg_layer);
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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 u8 acpi_gbl_decode_to8bit [8] = {1,2,4,8,16,32,64,128};
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const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] =
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{
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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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{
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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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* Strings supported by the _OSI predefined (internal) method.
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* When adding strings, be sure to update ACPI_NUM_OSI_STRINGS.
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*/
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const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] =
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{
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/* Operating System Vendor Strings */
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"Linux",
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"Windows 2000",
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"Windows 2001",
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"Windows 2001.1",
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"Windows 2001 SP0",
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"Windows 2001 SP1",
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"Windows 2001 SP2",
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"Windows 2001 SP3",
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"Windows 2001 SP4",
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/* Feature Group Strings */
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"Extended Address Space Descriptor"
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};
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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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{
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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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{
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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
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acpi_ut_hex_to_ascii_char (
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acpi_integer integer,
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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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* Table name globals
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*
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* NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
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* it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables
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* that are not used by the subsystem are simply ignored.
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*
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* Do NOT add any table to this list that is not consumed directly by this
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* subsystem (No MADT, ECDT, SBST, etc.)
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*
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******************************************************************************/
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struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
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struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] =
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{
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/*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */
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/* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE},
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/* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *) &acpi_gbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE | ACPI_TABLE_EXECUTABLE},
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/* FADT 2 */ {FADT_SIG, FADT_SIG, (void *) &acpi_gbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE},
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/* FACS 3 */ {FACS_SIG, FACS_SIG, (void *) &acpi_gbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE},
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/* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
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/* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
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/* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE},
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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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{
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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, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
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/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
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/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
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/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
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/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
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/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
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/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
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/* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS},
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/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
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/* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0},
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/* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
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/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
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/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
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/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
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/* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X},
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/* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X},
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/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
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/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, 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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{
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/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, 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] =
|
|
{
|
|
/*! [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 *
|
|
acpi_ut_get_region_name (
|
|
u8 space_id)
|
|
{
|
|
|
|
if (space_id >= ACPI_USER_REGION_BEGIN)
|
|
{
|
|
return ("user_defined_region");
|
|
}
|
|
else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS)
|
|
{
|
|
return ("invalid_space_id");
|
|
}
|
|
|
|
return ((char *) acpi_gbl_region_types[space_id]);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_get_event_name
|
|
*
|
|
* PARAMETERS: None.
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Translate a Event ID into a name string (Debug only)
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* Event type decoding */
|
|
|
|
static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] =
|
|
{
|
|
"PM_Timer",
|
|
"global_lock",
|
|
"power_button",
|
|
"sleep_button",
|
|
"real_time_clock",
|
|
};
|
|
|
|
|
|
char *
|
|
acpi_ut_get_event_name (
|
|
u32 event_id)
|
|
{
|
|
|
|
if (event_id > ACPI_EVENT_MAX)
|
|
{
|
|
return ("invalid_event_iD");
|
|
}
|
|
|
|
return ((char *) acpi_gbl_event_types[event_id]);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_get_type_name
|
|
*
|
|
* PARAMETERS: None.
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Translate a Type ID into a name string (Debug only)
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Elements of acpi_gbl_ns_type_names 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 acpi_gbl_bad_type[] = "UNDEFINED";
|
|
|
|
/* Printable names of the ACPI object types */
|
|
|
|
static const char *acpi_gbl_ns_type_names[] =
|
|
{
|
|
/* 00 */ "Untyped",
|
|
/* 01 */ "Integer",
|
|
/* 02 */ "String",
|
|
/* 03 */ "Buffer",
|
|
/* 04 */ "Package",
|
|
/* 05 */ "field_unit",
|
|
/* 06 */ "Device",
|
|
/* 07 */ "Event",
|
|
/* 08 */ "Method",
|
|
/* 09 */ "Mutex",
|
|
/* 10 */ "Region",
|
|
/* 11 */ "Power",
|
|
/* 12 */ "Processor",
|
|
/* 13 */ "Thermal",
|
|
/* 14 */ "buffer_field",
|
|
/* 15 */ "ddb_handle",
|
|
/* 16 */ "debug_object",
|
|
/* 17 */ "region_field",
|
|
/* 18 */ "bank_field",
|
|
/* 19 */ "index_field",
|
|
/* 20 */ "Reference",
|
|
/* 21 */ "Alias",
|
|
/* 22 */ "method_alias",
|
|
/* 23 */ "Notify",
|
|
/* 24 */ "addr_handler",
|
|
/* 25 */ "resource_desc",
|
|
/* 26 */ "resource_fld",
|
|
/* 27 */ "Scope",
|
|
/* 28 */ "Extra",
|
|
/* 29 */ "Data",
|
|
/* 30 */ "Invalid"
|
|
};
|
|
|
|
|
|
char *
|
|
acpi_ut_get_type_name (
|
|
acpi_object_type type)
|
|
{
|
|
|
|
if (type > ACPI_TYPE_INVALID)
|
|
{
|
|
return ((char *) acpi_gbl_bad_type);
|
|
}
|
|
|
|
return ((char *) acpi_gbl_ns_type_names[type]);
|
|
}
|
|
|
|
|
|
char *
|
|
acpi_ut_get_object_type_name (
|
|
union acpi_operand_object *obj_desc)
|
|
{
|
|
|
|
if (!obj_desc)
|
|
{
|
|
return ("[NULL Object Descriptor]");
|
|
}
|
|
|
|
return (acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)));
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* 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 (node->descriptor != ACPI_DESC_TYPE_NAMED)
|
|
{
|
|
return ("####");
|
|
}
|
|
|
|
/* Name must be a valid ACPI name */
|
|
|
|
if (!acpi_ut_valid_acpi_name (* (u32 *) node->name.ascii))
|
|
{
|
|
return ("????");
|
|
}
|
|
|
|
/* 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-root_parse_scope",
|
|
/* 07 */ "State-parse_scope",
|
|
/* 08 */ "State-walk_scope",
|
|
/* 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 ((char *) acpi_gbl_bad_type);
|
|
}
|
|
|
|
return ((char *) acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE (object)]);
|
|
|
|
}
|
|
|
|
|
|
#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 > MAX_MUTEX)
|
|
{
|
|
return ("Invalid Mutex ID");
|
|
}
|
|
|
|
return (acpi_gbl_mutex_names[mutex_id]);
|
|
}
|
|
#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: None
|
|
*
|
|
* DESCRIPTION: Init library globals. All globals that require specific
|
|
* initialization should be initialized here!
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
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 table structure */
|
|
|
|
for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++)
|
|
{
|
|
acpi_gbl_table_lists[i].next = NULL;
|
|
acpi_gbl_table_lists[i].count = 0;
|
|
}
|
|
|
|
/* Mutex locked flags */
|
|
|
|
for (i = 0; i < 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;
|
|
}
|
|
|
|
/* GPE support */
|
|
|
|
acpi_gbl_gpe_xrupt_list_head = NULL;
|
|
acpi_gbl_gpe_fadt_blocks[0] = NULL;
|
|
acpi_gbl_gpe_fadt_blocks[1] = NULL;
|
|
|
|
/* Global notify handlers */
|
|
|
|
acpi_gbl_system_notify.handler = NULL;
|
|
acpi_gbl_device_notify.handler = NULL;
|
|
acpi_gbl_exception_handler = NULL;
|
|
acpi_gbl_init_handler = NULL;
|
|
|
|
/* Global "typed" ACPI table pointers */
|
|
|
|
acpi_gbl_RSDP = NULL;
|
|
acpi_gbl_XSDT = NULL;
|
|
acpi_gbl_FACS = NULL;
|
|
acpi_gbl_FADT = NULL;
|
|
acpi_gbl_DSDT = NULL;
|
|
|
|
/* Global Lock support */
|
|
|
|
acpi_gbl_global_lock_acquired = FALSE;
|
|
acpi_gbl_global_lock_thread_count = 0;
|
|
acpi_gbl_global_lock_handle = 0;
|
|
|
|
/* Miscellaneous variables */
|
|
|
|
acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER;
|
|
acpi_gbl_rsdp_original_location = 0;
|
|
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_owner_id_mask = 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 = 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_SIZE_MAX;
|
|
#endif
|
|
|
|
return_VOID;
|
|
}
|
|
|
|
|