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Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Interpreter/amutils.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Interpreter/amutils.c | 496 |
1 files changed, 0 insertions, 496 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Interpreter/amutils.c b/sys/contrib/dev/acpica/Subsystem/Interpreter/amutils.c deleted file mode 100644 index 7f179917dd5b3..0000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Interpreter/amutils.c +++ /dev/null @@ -1,496 +0,0 @@ - -/****************************************************************************** - * - * Module Name: amutils - interpreter/scanner utilities - * $Revision: 69 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 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. - * - *****************************************************************************/ - -#define __AMUTILS_C__ - -#include "acpi.h" -#include "acparser.h" -#include "acinterp.h" -#include "amlcode.h" -#include "acnamesp.h" -#include "acevents.h" - -#define _COMPONENT INTERPRETER - MODULE_NAME ("amutils") - - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlEnterInterpreter - * - * PARAMETERS: None - * - * DESCRIPTION: Enter the interpreter execution region - * - ******************************************************************************/ - -void -AcpiAmlEnterInterpreter (void) -{ - FUNCTION_TRACE ("AmlEnterInterpreter"); - - - AcpiCmAcquireMutex (ACPI_MTX_EXECUTE); - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlExitInterpreter - * - * PARAMETERS: None - * - * DESCRIPTION: Exit the interpreter execution region - * - * Cases where the interpreter is unlocked: - * 1) Completion of the execution of a control method - * 2) Method blocked on a Sleep() AML opcode - * 3) Method blocked on an Acquire() AML opcode - * 4) Method blocked on a Wait() AML opcode - * 5) Method blocked to acquire the global lock - * 6) Method blocked to execute a serialized control method that is - * already executing - * 7) About to invoke a user-installed opregion handler - * - ******************************************************************************/ - -void -AcpiAmlExitInterpreter (void) -{ - FUNCTION_TRACE ("AmlExitInterpreter"); - - - AcpiCmReleaseMutex (ACPI_MTX_EXECUTE); - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlValidateObjectType - * - * PARAMETERS: Type Object type to validate - * - * DESCRIPTION: Determine if a type is a valid ACPI object type - * - ******************************************************************************/ - -BOOLEAN -AcpiAmlValidateObjectType ( - ACPI_OBJECT_TYPE Type) -{ - - if ((Type > ACPI_TYPE_MAX && Type < INTERNAL_TYPE_BEGIN) || - (Type > INTERNAL_TYPE_MAX)) - { - return (FALSE); - } - - return (TRUE); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlTruncateFor32bitTable - * - * PARAMETERS: ObjDesc - Object to be truncated - * WalkState - Current walk state - * (A method must be executing) - * - * RETURN: none - * - * DESCRIPTION: Truncate a number to 32-bits if the currently executing method - * belongs to a 32-bit ACPI table. - * - ******************************************************************************/ - -void -AcpiAmlTruncateFor32bitTable ( - ACPI_OPERAND_OBJECT *ObjDesc, - ACPI_WALK_STATE *WalkState) -{ - - /* - * Object must be a valid number and we must be executing - * a control method - */ - - if ((!ObjDesc) || - (ObjDesc->Common.Type != ACPI_TYPE_INTEGER) || - (!WalkState->MethodNode)) - { - return; - } - - if (WalkState->MethodNode->Flags & ANOBJ_DATA_WIDTH_32) - { - /* - * 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: AcpiAmlAcquireGlobalLock - * - * PARAMETERS: Rule - Lock rule: AlwaysLock, NeverLock - * - * RETURN: TRUE/FALSE indicating whether the lock was actually acquired - * - * DESCRIPTION: Obtain the global lock and keep track of this fact via two - * methods. A global variable keeps the state of the lock, and - * the state is returned to the caller. - * - ******************************************************************************/ - -BOOLEAN -AcpiAmlAcquireGlobalLock ( - UINT32 Rule) -{ - BOOLEAN Locked = FALSE; - ACPI_STATUS Status; - - - FUNCTION_TRACE ("AmlAcquireGlobalLock"); - - - /* Only attempt lock if the Rule says so */ - - if (Rule == (UINT32) GLOCK_ALWAYS_LOCK) - { - /* OK to get the lock */ - - Status = AcpiEvAcquireGlobalLock (); - if (ACPI_FAILURE (Status)) - { - DEBUG_PRINT (ACPI_ERROR, ("Get Global Lock Failed!!\n")); - } - - if (ACPI_SUCCESS (Status)) - { - AcpiGbl_GlobalLockSet = TRUE; - Locked = TRUE; - } - } - - return_VALUE (Locked); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlReleaseGlobalLock - * - * PARAMETERS: LockedByMe - Return value from corresponding call to - * AcquireGlobalLock. - * - * RETURN: Status - * - * DESCRIPTION: Release the global lock if it is locked. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlReleaseGlobalLock ( - BOOLEAN LockedByMe) -{ - - FUNCTION_TRACE ("AmlReleaseGlobalLock"); - - - /* Only attempt unlock if the caller locked it */ - - if (LockedByMe) - { - /* Double check against the global flag */ - - if (AcpiGbl_GlobalLockSet) - { - /* OK, now release the lock */ - - AcpiEvReleaseGlobalLock (); - AcpiGbl_GlobalLockSet = FALSE; - } - - else - { - DEBUG_PRINT (ACPI_ERROR, ("Global lock was not set\n")); - } - } - - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlDigitsNeeded - * - * PARAMETERS: val - Value to be represented - * base - Base of representation - * - * RETURN: the number of digits needed to represent val in base - * - ******************************************************************************/ - -UINT32 -AcpiAmlDigitsNeeded ( - ACPI_INTEGER val, - UINT32 base) -{ - UINT32 NumDigits = 0; - - - FUNCTION_TRACE ("AmlDigitsNeeded"); - - - if (base < 1) - { - REPORT_ERROR (("AmlDigitsNeeded: Internal error - Invalid base\n")); - } - - else - { - for (NumDigits = 1 + (val < 0); (val = ACPI_DIVIDE (val,base)); ++NumDigits) - { ; } - } - - return_VALUE (NumDigits); -} - - -/******************************************************************************* - * - * FUNCTION: ntohl - * - * PARAMETERS: Value - Value to be converted - * - * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes) - * - ******************************************************************************/ - -static UINT32 -_ntohl ( - UINT32 Value) -{ - union - { - UINT32 Value; - UINT8 Bytes[4]; - } Out; - - union - { - UINT32 Value; - UINT8 Bytes[4]; - } In; - - - In.Value = Value; - - Out.Bytes[0] = In.Bytes[3]; - Out.Bytes[1] = In.Bytes[2]; - Out.Bytes[2] = In.Bytes[1]; - Out.Bytes[3] = In.Bytes[0]; - - return (Out.Value); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlEisaIdToString - * - * PARAMETERS: NumericId - EISA ID to be converted - * OutString - Where to put the converted string (8 bytes) - * - * DESCRIPTION: Convert a numeric EISA ID to string representation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlEisaIdToString ( - UINT32 NumericId, - NATIVE_CHAR *OutString) -{ - UINT32 id; - - /* swap to big-endian to get contiguous bits */ - - id = _ntohl (NumericId); - - OutString[0] = (char) ('@' + ((id >> 26) & 0x1f)); - OutString[1] = (char) ('@' + ((id >> 21) & 0x1f)); - OutString[2] = (char) ('@' + ((id >> 16) & 0x1f)); - OutString[3] = AcpiGbl_HexToAscii[(id >> 12) & 0xf]; - OutString[4] = AcpiGbl_HexToAscii[(id >> 8) & 0xf]; - OutString[5] = AcpiGbl_HexToAscii[(id >> 4) & 0xf]; - OutString[6] = AcpiGbl_HexToAscii[id & 0xf]; - OutString[7] = 0; - - return (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlUnsignedIntegerToString - * - * PARAMETERS: Value - Value to be converted - * OutString - Where to put the converted string (8 bytes) - * - * RETURN: Convert a number to string representation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlUnsignedIntegerToString ( - ACPI_INTEGER Value, - NATIVE_CHAR *OutString) -{ - UINT32 Count; - UINT32 DigitsNeeded; - - - DigitsNeeded = AcpiAmlDigitsNeeded (Value, 10); - - OutString[DigitsNeeded] = '\0'; - - for (Count = DigitsNeeded; Count > 0; Count--) - { - OutString[Count-1] = (NATIVE_CHAR) ('0' + (ACPI_MODULO (Value, 10))); - Value = ACPI_DIVIDE (Value, 10); - } - - return (AE_OK); -} - - - - - - |