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Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Parser/psutils.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Parser/psutils.c | 683 |
1 files changed, 0 insertions, 683 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Parser/psutils.c b/sys/contrib/dev/acpica/Subsystem/Parser/psutils.c deleted file mode 100644 index e49b9a174515..000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Parser/psutils.c +++ /dev/null @@ -1,683 +0,0 @@ -/****************************************************************************** - * - * Module Name: psutils - Parser miscellaneous utilities (Parser only) - * $Revision: 32 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. - * All rights reserved. - * - * 2. License - * - * 2.1. This is your license from Intel Corp. under its intellectual property - * rights. You may have additional license terms from the party that provided - * you this software, covering your right to use that party's intellectual - * property rights. - * - * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a - * copy of the source code appearing in this file ("Covered Code") an - * irrevocable, perpetual, worldwide license under Intel's copyrights in the - * base code distributed originally by Intel ("Original Intel Code") to copy, - * make derivatives, distribute, use and display any portion of the Covered - * Code in any form, with the right to sublicense such rights; and - * - * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent - * license (with the right to sublicense), under only those claims of Intel - * patents that are infringed by the Original Intel Code, to make, use, sell, - * offer to sell, and import the Covered Code and derivative works thereof - * solely to the minimum extent necessary to exercise the above copyright - * license, and in no event shall the patent license extend to any additions - * to or modifications of the Original Intel Code. No other license or right - * is granted directly or by implication, estoppel or otherwise; - * - * The above copyright and patent license is granted only if the following - * conditions are met: - * - * 3. Conditions - * - * 3.1. Redistribution of Source with Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification with rights to further distribute source must include - * the above Copyright Notice, the above License, this list of Conditions, - * and the following Disclaimer and Export Compliance provision. In addition, - * Licensee must cause all Covered Code to which Licensee contributes to - * contain a file documenting the changes Licensee made to create that Covered - * Code and the date of any change. Licensee must include in that file the - * documentation of any changes made by any predecessor Licensee. Licensee - * must include a prominent statement that the modification is derived, - * directly or indirectly, from Original Intel Code. - * - * 3.2. Redistribution of Source with no Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification without rights to further distribute source must - * include the following Disclaimer and Export Compliance provision in the - * documentation and/or other materials provided with distribution. In - * addition, Licensee may not authorize further sublicense of source of any - * portion of the Covered Code, and must include terms to the effect that the - * license from Licensee to its licensee is limited to the intellectual - * property embodied in the software Licensee provides to its licensee, and - * not to intellectual property embodied in modifications its licensee may - * make. - * - * 3.3. Redistribution of Executable. Redistribution in executable form of any - * substantial portion of the Covered Code or modification must reproduce the - * above Copyright Notice, and the following Disclaimer and Export Compliance - * provision in the documentation and/or other materials provided with the - * distribution. - * - * 3.4. Intel retains all right, title, and interest in and to the Original - * Intel Code. - * - * 3.5. Neither the name Intel nor any other trademark owned or controlled by - * Intel shall be used in advertising or otherwise to promote the sale, use or - * other dealings in products derived from or relating to the Covered Code - * without prior written authorization from Intel. - * - * 4. Disclaimer and Export Compliance - * - * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED - * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE - * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, - * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY - * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY - * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A - * PARTICULAR PURPOSE. - * - * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES - * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR - * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, - * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY - * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL - * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS - * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY - * LIMITED REMEDY. - * - * 4.3. Licensee shall not export, either directly or indirectly, any of this - * software or system incorporating such software without first obtaining any - * required license or other approval from the U. S. Department of Commerce or - * any other agency or department of the United States Government. In the - * event Licensee exports any such software from the United States or - * re-exports any such software from a foreign destination, Licensee shall - * ensure that the distribution and export/re-export of the software is in - * compliance with all laws, regulations, orders, or other restrictions of the - * U.S. Export Administration Regulations. Licensee agrees that neither it nor - * any of its subsidiaries will export/re-export any technical data, process, - * software, or service, directly or indirectly, to any country for which the - * United States government or any agency thereof requires an export license, - * other governmental approval, or letter of assurance, without first obtaining - * such license, approval or letter. - * - *****************************************************************************/ - - -#include "acpi.h" -#include "acparser.h" -#include "amlcode.h" - -#define _COMPONENT PARSER - MODULE_NAME ("psutils") - - -#define PARSEOP_GENERIC 0x01 -#define PARSEOP_NAMED 0x02 -#define PARSEOP_DEFERRED 0x03 -#define PARSEOP_BYTELIST 0x04 -#define PARSEOP_IN_CACHE 0x80 - - -/******************************************************************************* - * - * FUNCTION: AcpiPsInitOp - * - * PARAMETERS: Op - A newly allocated Op object - * Opcode - Opcode to store in the Op - * - * RETURN: Status - * - * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on - * opcode - * - ******************************************************************************/ - -void -AcpiPsInitOp ( - ACPI_PARSE_OBJECT *Op, - UINT16 Opcode) -{ - ACPI_OPCODE_INFO *AmlOp; - - - Op->DataType = ACPI_DESC_TYPE_PARSER; - Op->Opcode = Opcode; - - AmlOp = AcpiPsGetOpcodeInfo (Opcode); - - DEBUG_ONLY_MEMBERS (STRNCPY (Op->OpName, AmlOp->Name, - sizeof (Op->OpName))); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiPsAllocOp - * - * PARAMETERS: Opcode - Opcode that will be stored in the new Op - * - * RETURN: Pointer to the new Op. - * - * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on - * opcode. A cache of opcodes is available for the pure - * GENERIC_OP, since this is by far the most commonly used. - * - ******************************************************************************/ - -ACPI_PARSE_OBJECT* -AcpiPsAllocOp ( - UINT16 Opcode) -{ - ACPI_PARSE_OBJECT *Op = NULL; - UINT32 Size; - UINT8 Flags; - - - /* Allocate the minimum required size object */ - - if (AcpiPsIsDeferredOp (Opcode)) - { - Size = sizeof (ACPI_PARSE2_OBJECT); - Flags = PARSEOP_DEFERRED; - } - - else if (AcpiPsIsNamedOp (Opcode)) - { - Size = sizeof (ACPI_PARSE2_OBJECT); - Flags = PARSEOP_NAMED; - } - - else if (AcpiPsIsBytelistOp (Opcode)) - { - Size = sizeof (ACPI_PARSE2_OBJECT); - Flags = PARSEOP_BYTELIST; - } - - else - { - Size = sizeof (ACPI_PARSE_OBJECT); - Flags = PARSEOP_GENERIC; - } - - - if (Size == sizeof (ACPI_PARSE_OBJECT)) - { - /* - * The generic op is by far the most common (16 to 1), and therefore - * the op cache is implemented with this type. - * - * Check if there is an Op already available in the cache - */ - - AcpiCmAcquireMutex (ACPI_MTX_CACHES); - AcpiGbl_ParseCacheRequests++; - if (AcpiGbl_ParseCache) - { - /* Extract an op from the front of the cache list */ - - AcpiGbl_ParseCacheDepth--; - AcpiGbl_ParseCacheHits++; - - Op = AcpiGbl_ParseCache; - AcpiGbl_ParseCache = Op->Next; - - if (Op->DataType == 0xFF) - { - DEBUG_PRINT (ACPI_ERROR, ("Op %p deleted while in cache!\n", Op)); - } - - /* Clear the previously used Op */ - - MEMSET (Op, 0, sizeof (ACPI_PARSE_OBJECT)); - - DEBUG_PRINT (TRACE_PARSE, - ("PsAllocOp: Op %p from Parse Cache\n", Op)); - } - AcpiCmReleaseMutex (ACPI_MTX_CACHES); - } - - else - { - /* - * The generic op is by far the most common (16 to 1), and therefore - * the op cache is implemented with this type. - * - * Check if there is an Op already available in the cache - */ - - AcpiCmAcquireMutex (ACPI_MTX_CACHES); - AcpiGbl_ExtParseCacheRequests++; - if (AcpiGbl_ExtParseCache) - { - /* Extract an op from the front of the cache list */ - - AcpiGbl_ExtParseCacheDepth--; - AcpiGbl_ExtParseCacheHits++; - - Op = (ACPI_PARSE_OBJECT *) AcpiGbl_ExtParseCache; - AcpiGbl_ExtParseCache = (ACPI_PARSE2_OBJECT *) Op->Next; - - if (Op->DataType == 0xFF) - { - DEBUG_PRINT (ACPI_ERROR, ("Op %p deleted while in cache!\n", Op)); - } - - /* Clear the previously used Op */ - - MEMSET (Op, 0, sizeof (ACPI_PARSE2_OBJECT)); - - DEBUG_PRINT (TRACE_PARSE, - ("PsAllocOp: Op %p from ExtParse Cache\n", Op)); - } - AcpiCmReleaseMutex (ACPI_MTX_CACHES); - } - - - /* Allocate a new Op if necessary */ - - if (!Op) - { - Op = AcpiCmCallocate (Size); - } - - /* Initialize the Op */ - if (Op) - { - AcpiPsInitOp (Op, Opcode); - Op->Flags = Flags; - } - - return (Op); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiPsFreeOp - * - * PARAMETERS: Op - Op to be freed - * - * RETURN: None. - * - * DESCRIPTION: Free an Op object. Either put it on the GENERIC_OP cache list - * or actually free it. - * - ******************************************************************************/ - -void -AcpiPsFreeOp ( - ACPI_PARSE_OBJECT *Op) -{ - - - if (Op->Opcode == AML_RETURN_VALUE_OP) - { - DEBUG_PRINT (ACPI_INFO, ("Free retval op: %p\n", Op)); - } - - if (Op->Flags == PARSEOP_GENERIC) - { - /* Is the cache full? */ - - if (AcpiGbl_ParseCacheDepth < MAX_PARSE_CACHE_DEPTH) - { - /* Put a GENERIC_OP back into the cache */ - - /* Clear the previously used Op */ - - MEMSET (Op, 0, sizeof (ACPI_PARSE_OBJECT)); - Op->Flags = PARSEOP_IN_CACHE; - - AcpiCmAcquireMutex (ACPI_MTX_CACHES); - AcpiGbl_ParseCacheDepth++; - - Op->Next = AcpiGbl_ParseCache; - AcpiGbl_ParseCache = Op; - - AcpiCmReleaseMutex (ACPI_MTX_CACHES); - return; - } - } - - else - { - /* Is the cache full? */ - - if (AcpiGbl_ExtParseCacheDepth < MAX_EXTPARSE_CACHE_DEPTH) - { - /* Put a GENERIC_OP back into the cache */ - - /* Clear the previously used Op */ - - MEMSET (Op, 0, sizeof (ACPI_PARSE2_OBJECT)); - Op->Flags = PARSEOP_IN_CACHE; - - AcpiCmAcquireMutex (ACPI_MTX_CACHES); - AcpiGbl_ExtParseCacheDepth++; - - Op->Next = (ACPI_PARSE_OBJECT *) AcpiGbl_ExtParseCache; - AcpiGbl_ExtParseCache = (ACPI_PARSE2_OBJECT *) Op; - - AcpiCmReleaseMutex (ACPI_MTX_CACHES); - return; - } - } - - - /* - * Not a GENERIC OP, or the cache is full, just free the Op - */ - - AcpiCmFree (Op); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiPsDeleteParseCache - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Free all objects that are on the parse cache list. - * - ******************************************************************************/ - -void -AcpiPsDeleteParseCache ( - void) -{ - ACPI_PARSE_OBJECT *Next; - - - FUNCTION_TRACE ("PsDeleteParseCache"); - - - /* Traverse the global cache list */ - - while (AcpiGbl_ParseCache) - { - /* Delete one cached state object */ - - Next = AcpiGbl_ParseCache->Next; - AcpiCmFree (AcpiGbl_ParseCache); - AcpiGbl_ParseCache = Next; - AcpiGbl_ParseCacheDepth--; - } - - /* Traverse the global cache list */ - - while (AcpiGbl_ExtParseCache) - { - /* Delete one cached state object */ - - Next = AcpiGbl_ExtParseCache->Next; - AcpiCmFree (AcpiGbl_ExtParseCache); - AcpiGbl_ExtParseCache = (ACPI_PARSE2_OBJECT *) Next; - AcpiGbl_ExtParseCacheDepth--; - } - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: Utility functions - * - * DESCRIPTION: Low level functions - * - * TBD: [Restructure] - * 1) Some of these functions should be macros - * 2) Some can be simplified - * - ******************************************************************************/ - - -/* - * Is "c" a namestring lead character? - */ - - -BOOLEAN -AcpiPsIsLeadingChar ( - UINT32 c) -{ - return ((BOOLEAN) (c == '_' || (c >= 'A' && c <= 'Z'))); -} - - -/* - * Is "c" a namestring prefix character? - */ -BOOLEAN -AcpiPsIsPrefixChar ( - UINT32 c) -{ - return ((BOOLEAN) (c == '\\' || c == '^')); -} - - -BOOLEAN -AcpiPsIsNamespaceObjectOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) - (Opcode == AML_SCOPE_OP || - Opcode == AML_DEVICE_OP || - Opcode == AML_THERMAL_ZONE_OP || - Opcode == AML_METHOD_OP || - Opcode == AML_POWER_RES_OP || - Opcode == AML_PROCESSOR_OP || - Opcode == AML_DEF_FIELD_OP || - Opcode == AML_INDEX_FIELD_OP || - Opcode == AML_BANK_FIELD_OP || - Opcode == AML_NAMEDFIELD_OP || - Opcode == AML_NAME_OP || - Opcode == AML_ALIAS_OP || - Opcode == AML_MUTEX_OP || - Opcode == AML_EVENT_OP || - Opcode == AML_REGION_OP || - Opcode == AML_CREATE_FIELD_OP || - Opcode == AML_BIT_FIELD_OP || - Opcode == AML_BYTE_FIELD_OP || - Opcode == AML_WORD_FIELD_OP || - Opcode == AML_DWORD_FIELD_OP || - Opcode == AML_METHODCALL_OP || - Opcode == AML_NAMEPATH_OP)); -} - -BOOLEAN -AcpiPsIsNamespaceOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) - (Opcode == AML_SCOPE_OP || - Opcode == AML_DEVICE_OP || - Opcode == AML_THERMAL_ZONE_OP || - Opcode == AML_METHOD_OP || - Opcode == AML_POWER_RES_OP || - Opcode == AML_PROCESSOR_OP || - Opcode == AML_DEF_FIELD_OP || - Opcode == AML_INDEX_FIELD_OP || - Opcode == AML_BANK_FIELD_OP || - Opcode == AML_NAME_OP || - Opcode == AML_ALIAS_OP || - Opcode == AML_MUTEX_OP || - Opcode == AML_EVENT_OP || - Opcode == AML_REGION_OP || - Opcode == AML_NAMEDFIELD_OP)); -} - - -/* - * Is opcode for a named object Op? - * (Includes all named object opcodes) - * - * TBD: [Restructure] Need a better way than this brute force approach! - */ -BOOLEAN -AcpiPsIsNodeOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) - (Opcode == AML_SCOPE_OP || - Opcode == AML_DEVICE_OP || - Opcode == AML_THERMAL_ZONE_OP || - Opcode == AML_METHOD_OP || - Opcode == AML_POWER_RES_OP || - Opcode == AML_PROCESSOR_OP || - Opcode == AML_NAMEDFIELD_OP || - Opcode == AML_NAME_OP || - Opcode == AML_ALIAS_OP || - Opcode == AML_MUTEX_OP || - Opcode == AML_EVENT_OP || - Opcode == AML_REGION_OP || - - - Opcode == AML_CREATE_FIELD_OP || - Opcode == AML_BIT_FIELD_OP || - Opcode == AML_BYTE_FIELD_OP || - Opcode == AML_WORD_FIELD_OP || - Opcode == AML_DWORD_FIELD_OP || - Opcode == AML_METHODCALL_OP || - Opcode == AML_NAMEPATH_OP)); -} - - -/* - * Is opcode for a named Op? - */ -BOOLEAN -AcpiPsIsNamedOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) - (Opcode == AML_SCOPE_OP || - Opcode == AML_DEVICE_OP || - Opcode == AML_THERMAL_ZONE_OP || - Opcode == AML_METHOD_OP || - Opcode == AML_POWER_RES_OP || - Opcode == AML_PROCESSOR_OP || - Opcode == AML_NAME_OP || - Opcode == AML_ALIAS_OP || - Opcode == AML_MUTEX_OP || - Opcode == AML_EVENT_OP || - Opcode == AML_REGION_OP || - Opcode == AML_NAMEDFIELD_OP)); -} - - -BOOLEAN -AcpiPsIsDeferredOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) - (Opcode == AML_METHOD_OP || - Opcode == AML_CREATE_FIELD_OP || - Opcode == AML_BIT_FIELD_OP || - Opcode == AML_BYTE_FIELD_OP || - Opcode == AML_WORD_FIELD_OP || - Opcode == AML_DWORD_FIELD_OP || - Opcode == AML_REGION_OP)); -} - - -/* - * Is opcode for a bytelist? - */ -BOOLEAN -AcpiPsIsBytelistOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) (Opcode == AML_BYTELIST_OP)); -} - - -/* - * Is opcode for a Field, IndexField, or BankField - */ -BOOLEAN -AcpiPsIsFieldOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) - (Opcode == AML_CREATE_FIELD_OP - || Opcode == AML_DEF_FIELD_OP - || Opcode == AML_INDEX_FIELD_OP - || Opcode == AML_BANK_FIELD_OP)); -} - - -/* - * Is field creation op - */ -BOOLEAN -AcpiPsIsCreateFieldOp ( - UINT16 Opcode) -{ - return ((BOOLEAN) - (Opcode == AML_CREATE_FIELD_OP || - Opcode == AML_BIT_FIELD_OP || - Opcode == AML_BYTE_FIELD_OP || - Opcode == AML_WORD_FIELD_OP || - Opcode == AML_DWORD_FIELD_OP)); -} - - -/* - * Cast an acpi_op to an acpi_extended_op if possible - */ - -/* TBD: This is very inefficient, fix */ -ACPI_PARSE2_OBJECT * -AcpiPsToExtendedOp ( - ACPI_PARSE_OBJECT *Op) -{ - return ((AcpiPsIsDeferredOp (Op->Opcode) || AcpiPsIsNamedOp (Op->Opcode) || AcpiPsIsBytelistOp (Op->Opcode)) - ? ( (ACPI_PARSE2_OBJECT *) Op) : NULL); -} - - -/* - * Get op's name (4-byte name segment) or 0 if unnamed - */ -UINT32 -AcpiPsGetName ( - ACPI_PARSE_OBJECT *Op) -{ - ACPI_PARSE2_OBJECT *Named = AcpiPsToExtendedOp (Op); - - return (Named ? Named->Name : 0); -} - - -/* - * Set op's name - */ -void -AcpiPsSetName ( - ACPI_PARSE_OBJECT *Op, - UINT32 name) -{ - ACPI_PARSE2_OBJECT *Named = AcpiPsToExtendedOp (Op); - - if (Named) - { - Named->Name = name; - } -} - |