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Diffstat (limited to 'sys/contrib/dev/acpica/exutils.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exutils.c | 558 |
1 files changed, 0 insertions, 558 deletions
diff --git a/sys/contrib/dev/acpica/exutils.c b/sys/contrib/dev/acpica/exutils.c deleted file mode 100644 index 2ce75bbb85d8..000000000000 --- a/sys/contrib/dev/acpica/exutils.c +++ /dev/null @@ -1,558 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exutils - interpreter/scanner utilities - * $Revision: 1.129 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2007, 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. - * - *****************************************************************************/ - -#define __EXUTILS_C__ - -/* - * DEFINE_AML_GLOBALS is tested in amlcode.h - * to determine whether certain global names should be "defined" or only - * "declared" in the current compilation. This enhances maintainability - * by enabling a single header file to embody all knowledge of the names - * in question. - * - * Exactly one module of any executable should #define DEFINE_GLOBALS - * before #including the header files which use this convention. The - * names in question will be defined and initialized in that module, - * and declared as extern in all other modules which #include those - * header files. - */ - -#define DEFINE_AML_GLOBALS - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/acinterp.h> -#include <contrib/dev/acpica/amlcode.h> -#include <contrib/dev/acpica/acevents.h> - -#define _COMPONENT ACPI_EXECUTER - ACPI_MODULE_NAME ("exutils") - -/* Local prototypes */ - -static UINT32 -AcpiExDigitsNeeded ( - ACPI_INTEGER Value, - UINT32 Base); - - -#ifndef ACPI_NO_METHOD_EXECUTION -/******************************************************************************* - * - * FUNCTION: AcpiExEnterInterpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Enter the interpreter execution region. Failure to enter - * the interpreter region is a fatal system error. Used in - * conjunction with ExitInterpreter. - * - ******************************************************************************/ - -void -AcpiExEnterInterpreter ( - void) -{ - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (ExEnterInterpreter); - - - Status = AcpiUtAcquireMutex (ACPI_MTX_INTERPRETER); - if (ACPI_FAILURE (Status)) - { - ACPI_ERROR ((AE_INFO, "Could not acquire AML Interpreter mutex")); - } - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExReacquireInterpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Reacquire the interpreter execution region from within the - * interpreter code. Failure to enter the interpreter region is a - * fatal system error. Used in conjuction with - * RelinquishInterpreter - * - ******************************************************************************/ - -void -AcpiExReacquireInterpreter ( - void) -{ - ACPI_FUNCTION_TRACE (ExReacquireInterpreter); - - - /* - * If the global serialized flag is set, do not release the interpreter, - * since it was not actually released by AcpiExRelinquishInterpreter. - * This forces the interpreter to be single threaded. - */ - if (!AcpiGbl_AllMethodsSerialized) - { - AcpiExEnterInterpreter (); - } - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExExitInterpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Exit the interpreter execution region. This is the top level - * routine used to exit the interpreter when all processing has - * been completed. - * - ******************************************************************************/ - -void -AcpiExExitInterpreter ( - void) -{ - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (ExExitInterpreter); - - - Status = AcpiUtReleaseMutex (ACPI_MTX_INTERPRETER); - if (ACPI_FAILURE (Status)) - { - ACPI_ERROR ((AE_INFO, "Could not release AML Interpreter mutex")); - } - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExRelinquishInterpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Exit the interpreter execution region, from within the - * interpreter - before attempting an operation that will possibly - * block the running thread. - * - * Cases where the interpreter is unlocked internally - * 1) Method to be blocked on a Sleep() AML opcode - * 2) Method to be blocked on an Acquire() AML opcode - * 3) Method to be blocked on a Wait() AML opcode - * 4) Method to be blocked to acquire the global lock - * 5) Method to be blocked waiting to execute a serialized control method - * that is currently executing - * 6) About to invoke a user-installed opregion handler - * - ******************************************************************************/ - -void -AcpiExRelinquishInterpreter ( - void) -{ - ACPI_FUNCTION_TRACE (ExRelinquishInterpreter); - - - /* - * If the global serialized flag is set, do not release the interpreter. - * This forces the interpreter to be single threaded. - */ - if (!AcpiGbl_AllMethodsSerialized) - { - AcpiExExitInterpreter (); - } - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExTruncateFor32bitTable - * - * PARAMETERS: ObjDesc - Object to be truncated - * - * RETURN: none - * - * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is - * 32-bit, as determined by the revision of the DSDT. - * - ******************************************************************************/ - -void -AcpiExTruncateFor32bitTable ( - ACPI_OPERAND_OBJECT *ObjDesc) -{ - - ACPI_FUNCTION_ENTRY (); - - - /* - * Object must be a valid number and we must be executing - * a control method. NS node could be there for AML_INT_NAMEPATH_OP. - */ - if ((!ObjDesc) || - (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND) || - (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER)) - { - return; - } - - if (AcpiGbl_IntegerByteWidth == 4) - { - /* - * We are running a method that exists in a 32-bit ACPI table. - * Truncate the value to 32 bits by zeroing out the upper 32-bit field - */ - ObjDesc->Integer.Value &= (ACPI_INTEGER) ACPI_UINT32_MAX; - } -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExAcquireGlobalLock - * - * PARAMETERS: FieldFlags - Flags with Lock rule: - * AlwaysLock or NeverLock - * - * RETURN: None - * - * DESCRIPTION: Obtain the ACPI hardware Global Lock, only if the field - * flags specifiy that it is to be obtained before field access. - * - ******************************************************************************/ - -void -AcpiExAcquireGlobalLock ( - UINT32 FieldFlags) -{ - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (ExAcquireGlobalLock); - - - /* Only use the lock if the AlwaysLock bit is set */ - - if (!(FieldFlags & AML_FIELD_LOCK_RULE_MASK)) - { - return_VOID; - } - - /* Attempt to get the global lock, wait forever */ - - Status = AcpiExAcquireMutexObject (ACPI_WAIT_FOREVER, - AcpiGbl_GlobalLockMutex, AcpiOsGetThreadId ()); - - if (ACPI_FAILURE (Status)) - { - ACPI_EXCEPTION ((AE_INFO, Status, - "Could not acquire Global Lock")); - } - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExReleaseGlobalLock - * - * PARAMETERS: FieldFlags - Flags with Lock rule: - * AlwaysLock or NeverLock - * - * RETURN: None - * - * DESCRIPTION: Release the ACPI hardware Global Lock - * - ******************************************************************************/ - -void -AcpiExReleaseGlobalLock ( - UINT32 FieldFlags) -{ - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (ExReleaseGlobalLock); - - - /* Only use the lock if the AlwaysLock bit is set */ - - if (!(FieldFlags & AML_FIELD_LOCK_RULE_MASK)) - { - return_VOID; - } - - /* Release the global lock */ - - Status = AcpiExReleaseMutexObject (AcpiGbl_GlobalLockMutex); - if (ACPI_FAILURE (Status)) - { - /* Report the error, but there isn't much else we can do */ - - ACPI_EXCEPTION ((AE_INFO, Status, - "Could not release Global Lock")); - } - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExDigitsNeeded - * - * PARAMETERS: Value - Value to be represented - * Base - Base of representation - * - * RETURN: The number of digits. - * - * DESCRIPTION: Calculate the number of digits needed to represent the Value - * in the given Base (Radix) - * - ******************************************************************************/ - -static UINT32 -AcpiExDigitsNeeded ( - ACPI_INTEGER Value, - UINT32 Base) -{ - UINT32 NumDigits; - ACPI_INTEGER CurrentValue; - - - ACPI_FUNCTION_TRACE (ExDigitsNeeded); - - - /* ACPI_INTEGER is unsigned, so we don't worry about a '-' prefix */ - - if (Value == 0) - { - return_UINT32 (1); - } - - CurrentValue = Value; - NumDigits = 0; - - /* Count the digits in the requested base */ - - while (CurrentValue) - { - (void) AcpiUtShortDivide (CurrentValue, Base, &CurrentValue, NULL); - NumDigits++; - } - - return_UINT32 (NumDigits); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExEisaIdToString - * - * PARAMETERS: NumericId - EISA ID to be converted - * OutString - Where to put the converted string (8 bytes) - * - * RETURN: None - * - * DESCRIPTION: Convert a numeric EISA ID to string representation - * - ******************************************************************************/ - -void -AcpiExEisaIdToString ( - UINT32 NumericId, - char *OutString) -{ - UINT32 EisaId; - - - ACPI_FUNCTION_ENTRY (); - - - /* Swap ID to big-endian to get contiguous bits */ - - EisaId = AcpiUtDwordByteSwap (NumericId); - - OutString[0] = (char) ('@' + (((unsigned long) EisaId >> 26) & 0x1f)); - OutString[1] = (char) ('@' + ((EisaId >> 21) & 0x1f)); - OutString[2] = (char) ('@' + ((EisaId >> 16) & 0x1f)); - OutString[3] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 12); - OutString[4] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 8); - OutString[5] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 4); - OutString[6] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 0); - OutString[7] = 0; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExUnsignedIntegerToString - * - * PARAMETERS: Value - Value to be converted - * OutString - Where to put the converted string (8 bytes) - * - * RETURN: None, string - * - * DESCRIPTION: Convert a number to string representation. Assumes string - * buffer is large enough to hold the string. - * - ******************************************************************************/ - -void -AcpiExUnsignedIntegerToString ( - ACPI_INTEGER Value, - char *OutString) -{ - UINT32 Count; - UINT32 DigitsNeeded; - UINT32 Remainder; - - - ACPI_FUNCTION_ENTRY (); - - - DigitsNeeded = AcpiExDigitsNeeded (Value, 10); - OutString[DigitsNeeded] = 0; - - for (Count = DigitsNeeded; Count > 0; Count--) - { - (void) AcpiUtShortDivide (Value, 10, &Value, &Remainder); - OutString[Count-1] = (char) ('0' + Remainder);\ - } -} - -#endif |