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Diffstat (limited to 'sys/contrib/dev/acpica/dsfield.c')
| -rw-r--r-- | sys/contrib/dev/acpica/dsfield.c | 546 |
1 files changed, 546 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/dsfield.c b/sys/contrib/dev/acpica/dsfield.c new file mode 100644 index 000000000000..60e31df06e83 --- /dev/null +++ b/sys/contrib/dev/acpica/dsfield.c @@ -0,0 +1,546 @@ +/****************************************************************************** + * + * Module Name: dsfield - Dispatcher field routines + * $Revision: 29 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, 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 __DSFIELD_C__ + +#include "acpi.h" +#include "amlcode.h" +#include "acdispat.h" +#include "acinterp.h" +#include "acnamesp.h" + + +#define _COMPONENT DISPATCHER + MODULE_NAME ("dsfield") + + +/* + * Field flags: Bits 00 - 03 : AccessType (AnyAcc, ByteAcc, etc.) + * 04 : LockRule (1 == Lock) + * 05 - 06 : UpdateRule + */ + +#define FIELD_ACCESS_TYPE_MASK 0x0F +#define FIELD_LOCK_RULE_MASK 0x10 +#define FIELD_UPDATE_RULE_MASK 0x60 + + +/******************************************************************************* + * + * FUNCTION: AcpiDsCreateField + * + * PARAMETERS: Op - Op containing the Field definition and args + * RegionNode - Object for the containing Operation Region + * + * RETURN: Status + * + * DESCRIPTION: Create a new field in the specified operation region + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsCreateField ( + ACPI_PARSE_OBJECT *Op, + ACPI_NAMESPACE_NODE *RegionNode, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status = AE_AML_ERROR; + ACPI_PARSE_OBJECT *Arg; + ACPI_NAMESPACE_NODE *Node; + UINT8 FieldFlags; + UINT8 AccessAttribute = 0; + UINT32 FieldBitPosition = 0; + + + FUNCTION_TRACE_PTR ("DsCreateField", Op); + + + /* First arg is the name of the parent OpRegion */ + + Arg = Op->Value.Arg; + if (!RegionNode) + { + Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.Name, + ACPI_TYPE_REGION, IMODE_EXECUTE, + NS_SEARCH_PARENT, WalkState, + &RegionNode); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* Second arg is the field flags */ + + Arg = Arg->Next; + FieldFlags = (UINT8) Arg->Value.Integer; + + /* Each remaining arg is a Named Field */ + + Arg = Arg->Next; + while (Arg) + { + switch (Arg->Opcode) + { + case AML_RESERVEDFIELD_OP: + + FieldBitPosition += Arg->Value.Size; + break; + + + case AML_ACCESSFIELD_OP: + + /* + * Get a new AccessType and AccessAttribute for all + * entries (until end or another AccessAs keyword) + */ + + AccessAttribute = (UINT8) Arg->Value.Integer; + FieldFlags = (UINT8) + ((FieldFlags & FIELD_ACCESS_TYPE_MASK) || + ((UINT8) (Arg->Value.Integer >> 8))); + break; + + + case AML_NAMEDFIELD_OP: + + Status = AcpiNsLookup (WalkState->ScopeInfo, + (NATIVE_CHAR *) &((ACPI_PARSE2_OBJECT *)Arg)->Name, + INTERNAL_TYPE_DEF_FIELD, + IMODE_LOAD_PASS1, + NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, + NULL, &Node); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Initialize an object for the new Node that is on + * the object stack + */ + + Status = AcpiAmlPrepDefFieldValue (Node, RegionNode, FieldFlags, + AccessAttribute, FieldBitPosition, Arg->Value.Size); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Keep track of bit position for *next* field */ + + FieldBitPosition += Arg->Value.Size; + break; + } + + Arg = Arg->Next; + } + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsCreateBankField + * + * PARAMETERS: Op - Op containing the Field definition and args + * RegionNode - Object for the containing Operation Region + * + * RETURN: Status + * + * DESCRIPTION: Create a new bank field in the specified operation region + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsCreateBankField ( + ACPI_PARSE_OBJECT *Op, + ACPI_NAMESPACE_NODE *RegionNode, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status = AE_AML_ERROR; + ACPI_PARSE_OBJECT *Arg; + ACPI_NAMESPACE_NODE *RegisterNode; + ACPI_NAMESPACE_NODE *Node; + UINT32 BankValue; + UINT8 FieldFlags; + UINT8 AccessAttribute = 0; + UINT32 FieldBitPosition = 0; + + + FUNCTION_TRACE_PTR ("DsCreateBankField", Op); + + + /* First arg is the name of the parent OpRegion */ + + Arg = Op->Value.Arg; + if (!RegionNode) + { + Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.Name, + ACPI_TYPE_REGION, IMODE_EXECUTE, + NS_SEARCH_PARENT, WalkState, + &RegionNode); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* Second arg is the Bank Register */ + + Arg = Arg->Next; + + Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.String, + INTERNAL_TYPE_BANK_FIELD_DEFN, + IMODE_LOAD_PASS1, + NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, + NULL, &RegisterNode); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Third arg is the BankValue */ + + Arg = Arg->Next; + BankValue = Arg->Value.Integer; + + + /* Next arg is the field flags */ + + Arg = Arg->Next; + FieldFlags = (UINT8) Arg->Value.Integer; + + /* Each remaining arg is a Named Field */ + + Arg = Arg->Next; + while (Arg) + { + switch (Arg->Opcode) + { + case AML_RESERVEDFIELD_OP: + + FieldBitPosition += Arg->Value.Size; + break; + + + case AML_ACCESSFIELD_OP: + + /* + * Get a new AccessType and AccessAttribute for + * all entries (until end or another AccessAs keyword) + */ + + AccessAttribute = (UINT8) Arg->Value.Integer; + FieldFlags = (UINT8) + ((FieldFlags & FIELD_ACCESS_TYPE_MASK) || + ((UINT8) (Arg->Value.Integer >> 8))); + break; + + + case AML_NAMEDFIELD_OP: + + Status = AcpiNsLookup (WalkState->ScopeInfo, + (NATIVE_CHAR *) &((ACPI_PARSE2_OBJECT *)Arg)->Name, + INTERNAL_TYPE_DEF_FIELD, + IMODE_LOAD_PASS1, + NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, + NULL, &Node); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Initialize an object for the new Node that is on + * the object stack + */ + + Status = AcpiAmlPrepBankFieldValue (Node, RegionNode, RegisterNode, + BankValue, FieldFlags, AccessAttribute, + FieldBitPosition, Arg->Value.Size); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Keep track of bit position for the *next* field */ + + FieldBitPosition += Arg->Value.Size; + break; + + } + + Arg = Arg->Next; + } + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsCreateIndexField + * + * PARAMETERS: Op - Op containing the Field definition and args + * RegionNode - Object for the containing Operation Region + * + * RETURN: Status + * + * DESCRIPTION: Create a new index field in the specified operation region + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsCreateIndexField ( + ACPI_PARSE_OBJECT *Op, + ACPI_HANDLE RegionNode, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + ACPI_PARSE_OBJECT *Arg; + ACPI_NAMESPACE_NODE *Node; + ACPI_NAMESPACE_NODE *IndexRegisterNode; + ACPI_NAMESPACE_NODE *DataRegisterNode; + UINT8 FieldFlags; + UINT8 AccessAttribute = 0; + UINT32 FieldBitPosition = 0; + + + FUNCTION_TRACE_PTR ("DsCreateIndexField", Op); + + + Arg = Op->Value.Arg; + + /* First arg is the name of the Index register */ + + Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.String, + ACPI_TYPE_ANY, IMODE_LOAD_PASS1, + NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, + NULL, &IndexRegisterNode); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Second arg is the data register */ + + Arg = Arg->Next; + + Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.String, + INTERNAL_TYPE_INDEX_FIELD_DEFN, + IMODE_LOAD_PASS1, + NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, + NULL, &DataRegisterNode); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + + /* Next arg is the field flags */ + + Arg = Arg->Next; + FieldFlags = (UINT8) Arg->Value.Integer; + + + /* Each remaining arg is a Named Field */ + + Arg = Arg->Next; + while (Arg) + { + switch (Arg->Opcode) + { + case AML_RESERVEDFIELD_OP: + + FieldBitPosition += Arg->Value.Size; + break; + + + case AML_ACCESSFIELD_OP: + + /* + * Get a new AccessType and AccessAttribute for all + * entries (until end or another AccessAs keyword) + */ + + AccessAttribute = (UINT8) Arg->Value.Integer; + FieldFlags = (UINT8) + ((FieldFlags & FIELD_ACCESS_TYPE_MASK) || + ((UINT8) (Arg->Value.Integer >> 8))); + break; + + + case AML_NAMEDFIELD_OP: + + Status = AcpiNsLookup (WalkState->ScopeInfo, + (NATIVE_CHAR *) &((ACPI_PARSE2_OBJECT *)Arg)->Name, + INTERNAL_TYPE_INDEX_FIELD, + IMODE_LOAD_PASS1, + NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, + NULL, &Node); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Initialize an object for the new Node that is on + * the object stack + */ + + Status = AcpiAmlPrepIndexFieldValue (Node, IndexRegisterNode, DataRegisterNode, + FieldFlags, AccessAttribute, + FieldBitPosition, Arg->Value.Size); + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Keep track of bit position for the *next* field */ + + FieldBitPosition += Arg->Value.Size; + break; + + + default: + + DEBUG_PRINT (ACPI_ERROR, + ("DsEnterIndexField: Invalid opcode in field list: %X\n", + Arg->Opcode)); + Status = AE_AML_ERROR; + break; + } + + Arg = Arg->Next; + } + + return_ACPI_STATUS (Status); +} + + |