diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c | 447 |
1 files changed, 0 insertions, 447 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c b/sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c deleted file mode 100644 index 62c77a7e576ef..0000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c +++ /dev/null @@ -1,447 +0,0 @@ -/****************************************************************************** - * - * Module Name: amfield - ACPI AML (p-code) execution - field manipulation - * $Revision: 77 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 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 __AMFIELD_C__ - -#include "acpi.h" -#include "acdispat.h" -#include "acinterp.h" -#include "amlcode.h" -#include "acnamesp.h" -#include "achware.h" -#include "acevents.h" - - -#define _COMPONENT INTERPRETER - MODULE_NAME ("amfield") - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlSetupField - * - * PARAMETERS: *ObjDesc - Field to be read or written - * *RgnDesc - Region containing field - * FieldBitWidth - Field Width in bits (8, 16, or 32) - * - * RETURN: Status - * - * DESCRIPTION: Common processing for AcpiAmlReadField and AcpiAmlWriteField - * - * ACPI SPECIFICATION REFERENCES: - * Each of the Type1Opcodes is defined as specified in in-line - * comments below. For each one, use the following definitions. - * - * DefBitField := BitFieldOp SrcBuf BitIdx Destination - * DefByteField := ByteFieldOp SrcBuf ByteIdx Destination - * DefCreateField := CreateFieldOp SrcBuf BitIdx NumBits NameString - * DefDWordField := DWordFieldOp SrcBuf ByteIdx Destination - * DefWordField := WordFieldOp SrcBuf ByteIdx Destination - * BitIndex := TermArg=>Integer - * ByteIndex := TermArg=>Integer - * Destination := NameString - * NumBits := TermArg=>Integer - * SourceBuf := TermArg=>Buffer - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlSetupField ( - ACPI_OPERAND_OBJECT *ObjDesc, - ACPI_OPERAND_OBJECT *RgnDesc, - UINT32 FieldBitWidth) -{ - ACPI_STATUS Status = AE_OK; - UINT32 FieldByteWidth; - - - FUNCTION_TRACE ("AmlSetupField"); - - - /* Parameter validation */ - - if (!ObjDesc || !RgnDesc) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlSetupField: Internal error - null handle\n")); - return_ACPI_STATUS (AE_AML_NO_OPERAND); - } - - if (ACPI_TYPE_REGION != RgnDesc->Common.Type) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlSetupField: Needed Region, found type %x %s\n", - RgnDesc->Common.Type, AcpiCmGetTypeName (RgnDesc->Common.Type))); - return_ACPI_STATUS (AE_AML_OPERAND_TYPE); - } - - - /* - * TBD: [Future] Acpi 2.0 supports Qword fields - * - * Init and validate Field width - * Possible values are 1, 2, 4 - */ - - FieldByteWidth = DIV_8 (FieldBitWidth); - - if ((FieldBitWidth != 8) && - (FieldBitWidth != 16) && - (FieldBitWidth != 32)) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlSetupField: Internal error - bad width %d\n", FieldBitWidth)); - return_ACPI_STATUS (AE_AML_OPERAND_VALUE); - } - - - /* - * If the Region Address and Length have not been previously evaluated, - * evaluate them and save the results. - */ - if (!(RgnDesc->Region.Flags & AOPOBJ_DATA_VALID)) - { - - Status = AcpiDsGetRegionArguments (RgnDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - - if ((ObjDesc->Common.Type == ACPI_TYPE_FIELD_UNIT) && - (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))) - { - /* - * Field Buffer and Index have not been previously evaluated, - */ - DEBUG_PRINT (ACPI_ERROR, ("Uninitialized field!\n")); - return_ACPI_STATUS (AE_AML_INTERNAL); - } - - if (RgnDesc->Region.Length < - (ObjDesc->Field.Offset & ~((UINT32) FieldByteWidth - 1)) + - FieldByteWidth) - { - /* - * Offset rounded up to next multiple of field width - * exceeds region length, indicate an error - */ - - DUMP_STACK_ENTRY (RgnDesc); - DUMP_STACK_ENTRY (ObjDesc); - - DEBUG_PRINT (ACPI_ERROR, - ("AmlSetupField: Operation at %08lX width %d bits exceeds len %08lX field=%p region=%p\n", - ObjDesc->Field.Offset, FieldBitWidth, RgnDesc->Region.Length, - ObjDesc, RgnDesc)); - - return_ACPI_STATUS (AE_AML_REGION_LIMIT); - } - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlAccessNamedField - * - * PARAMETERS: Mode - ACPI_READ or ACPI_WRITE - * NamedField - Handle for field to be accessed - * *Buffer - Value(s) to be read or written - * BufferLength - Number of bytes to transfer - * - * RETURN: Status - * - * DESCRIPTION: Read or write a named field - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlAccessNamedField ( - UINT32 Mode, - ACPI_HANDLE NamedField, - void *Buffer, - UINT32 BufferLength) -{ - ACPI_OPERAND_OBJECT *ObjDesc = NULL; - ACPI_STATUS Status = AE_OK; - BOOLEAN Locked = FALSE; - UINT32 BitGranularity = 0; - UINT32 ByteGranularity; - UINT32 DatumLength; - UINT32 ActualByteLength; - UINT32 ByteFieldLength; - - - FUNCTION_TRACE_PTR ("AmlAccessNamedField", NamedField); - - - /* Parameter validation */ - - if ((!NamedField) || (ACPI_READ == Mode && !Buffer)) - { - DEBUG_PRINT (ACPI_ERROR, - ("AcpiAmlAccessNamedField: Internal error - null parameter\n")); - return_ACPI_STATUS (AE_AML_INTERNAL); - } - - /* Get the attached field object */ - - ObjDesc = AcpiNsGetAttachedObject (NamedField); - if (!ObjDesc) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlAccessNamedField: Internal error - null value pointer\n")); - return_ACPI_STATUS (AE_AML_INTERNAL); - } - - /* Check the type */ - - if (INTERNAL_TYPE_DEF_FIELD != AcpiNsGetType (NamedField)) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlAccessNamedField: Name %4.4s type %x is not a defined field\n", - &(((ACPI_NAMESPACE_NODE *) NamedField)->Name), - AcpiNsGetType (NamedField))); - return_ACPI_STATUS (AE_AML_OPERAND_TYPE); - } - - /* ObjDesc valid and NamedField is a defined field */ - - DEBUG_PRINT (ACPI_INFO, - ("AccessNamedField: Obj=%p Type=%x Buf=%p Len=%x\n", - ObjDesc, ObjDesc->Common.Type, Buffer, BufferLength)); - DEBUG_PRINT (ACPI_INFO, - ("AccessNamedField: Mode=%d FieldLen=%d, BitOffset=%d\n", - Mode, ObjDesc->FieldUnit.Length, ObjDesc->FieldUnit.BitOffset)); - DUMP_ENTRY (NamedField, ACPI_INFO); - - - /* Double-check that the attached object is also a field */ - - if (INTERNAL_TYPE_DEF_FIELD != ObjDesc->Common.Type) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlAccessNamedField: Internal error - Name %4.4s type %x does not match value-type %x at %p\n", - &(((ACPI_NAMESPACE_NODE *) NamedField)->Name), - AcpiNsGetType (NamedField), ObjDesc->Common.Type, ObjDesc)); - return_ACPI_STATUS (AE_AML_OPERAND_TYPE); - } - - - /* - * Granularity was decoded from the field access type - * (AnyAcc will be the same as ByteAcc) - */ - - BitGranularity = ObjDesc->FieldUnit.Granularity; - ByteGranularity = DIV_8 (BitGranularity); - - /* - * Check if request is too large for the field, and silently truncate - * if necessary - */ - - /* TBD: [Errors] should an error be returned in this case? */ - - ByteFieldLength = (UINT32) DIV_8 (ObjDesc->FieldUnit.Length + 7); - - - ActualByteLength = BufferLength; - if (BufferLength > ByteFieldLength) - { - DEBUG_PRINT (ACPI_INFO, - ("AmlAccessNamedField: Byte length %X truncated to %X\n", - ActualByteLength, ByteFieldLength)); - - ActualByteLength = ByteFieldLength; - } - - /* TBD: should these round down to a power of 2? */ - - if (DIV_8 (BitGranularity) > ByteFieldLength) - { - DEBUG_PRINT (ACPI_INFO, - ("AmlAccessNamedField: Bit granularity %X truncated to %X\n", - BitGranularity, MUL_8(ByteFieldLength))); - - BitGranularity = MUL_8(ByteFieldLength); - } - - if (ByteGranularity > ByteFieldLength) - { - DEBUG_PRINT (ACPI_INFO, - ("AmlAccessNamedField: Byte granularity %X truncated to %X\n", - ByteGranularity, ByteFieldLength)); - - ByteGranularity = ByteFieldLength; - } - - - /* Convert byte count to datum count, round up if necessary */ - - DatumLength = (ActualByteLength + (ByteGranularity-1)) / ByteGranularity; - - DEBUG_PRINT (ACPI_INFO, - ("ByteLen=%x, DatumLen=%x, BitGran=%x, ByteGran=%x\n", - ActualByteLength, DatumLength, BitGranularity, ByteGranularity)); - - - /* Get the global lock if needed */ - - Locked = AcpiAmlAcquireGlobalLock (ObjDesc->FieldUnit.LockRule); - - - /* Perform the actual read or write of the buffer */ - - switch (Mode) - { - case ACPI_READ: - - Status = AcpiAmlReadField (ObjDesc, Buffer, BufferLength, - ActualByteLength, DatumLength, - BitGranularity, ByteGranularity); - break; - - - case ACPI_WRITE: - - Status = AcpiAmlWriteField (ObjDesc, Buffer, BufferLength, - ActualByteLength, DatumLength, - BitGranularity, ByteGranularity); - break; - - - default: - - DEBUG_PRINT (ACPI_ERROR, - ("AccessNamedField: Unknown I/O Mode: %X\n", Mode)); - Status = AE_BAD_PARAMETER; - break; - } - - - /* Release global lock if we acquired it earlier */ - - AcpiAmlReleaseGlobalLock (Locked); - - return_ACPI_STATUS (Status); -} - |