/****************************************************************************** * * Module Name: dsargs - Support for execution of dynamic arguments for static * objects (regions, fields, buffer fields, etc.) * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2023, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include #include #include #include #include #include #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME ("dsargs") /* Local prototypes */ static ACPI_STATUS AcpiDsExecuteArguments ( ACPI_NAMESPACE_NODE *Node, ACPI_NAMESPACE_NODE *ScopeNode, UINT32 AmlLength, UINT8 *AmlStart); /******************************************************************************* * * FUNCTION: AcpiDsExecuteArguments * * PARAMETERS: Node - Object NS node * ScopeNode - Parent NS node * AmlLength - Length of executable AML * AmlStart - Pointer to the AML * * RETURN: Status. * * DESCRIPTION: Late (deferred) execution of region or field arguments * ******************************************************************************/ static ACPI_STATUS AcpiDsExecuteArguments ( ACPI_NAMESPACE_NODE *Node, ACPI_NAMESPACE_NODE *ScopeNode, UINT32 AmlLength, UINT8 *AmlStart) { ACPI_STATUS Status; ACPI_PARSE_OBJECT *Op; ACPI_WALK_STATE *WalkState; ACPI_FUNCTION_TRACE_PTR (DsExecuteArguments, AmlStart); /* Allocate a new parser op to be the root of the parsed tree */ Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP, AmlStart); if (!Op) { return_ACPI_STATUS (AE_NO_MEMORY); } /* Save the Node for use in AcpiPsParseAml */ Op->Common.Node = ScopeNode; /* Create and initialize a new parser state */ WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); if (!WalkState) { Status = AE_NO_MEMORY; goto Cleanup; } Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); if (ACPI_FAILURE (Status)) { AcpiDsDeleteWalkState (WalkState); goto Cleanup; } /* Mark this parse as a deferred opcode */ WalkState->ParseFlags = ACPI_PARSE_DEFERRED_OP; WalkState->DeferredNode = Node; /* Pass1: Parse the entire declaration */ Status = AcpiPsParseAml (WalkState); if (ACPI_FAILURE (Status)) { goto Cleanup; } /* Get and init the Op created above */ Op->Common.Node = Node; AcpiPsDeleteParseTree (Op); /* Evaluate the deferred arguments */ Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP, AmlStart); if (!Op) { return_ACPI_STATUS (AE_NO_MEMORY); } Op->Common.Node = ScopeNode; /* Create and initialize a new parser state */ WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); if (!WalkState) { Status = AE_NO_MEMORY; goto Cleanup; } /* Execute the opcode and arguments */ Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_EXECUTE); if (ACPI_FAILURE (Status)) { AcpiDsDeleteWalkState (WalkState); goto Cleanup; } /* Mark this execution as a deferred opcode */ WalkState->DeferredNode = Node; Status = AcpiPsParseAml (WalkState); Cleanup: AcpiPsDeleteParseTree (Op); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiDsGetBufferFieldArguments * * PARAMETERS: ObjDesc - A valid BufferField object * * RETURN: Status. * * DESCRIPTION: Get BufferField Buffer and Index. This implements the late * evaluation of these field attributes. * ******************************************************************************/ ACPI_STATUS AcpiDsGetBufferFieldArguments ( ACPI_OPERAND_OBJECT *ObjDesc) { ACPI_OPERAND_OBJECT *ExtraDesc; ACPI_NAMESPACE_NODE *Node; ACPI_STATUS Status; ACPI_FUNCTION_TRACE_PTR (DsGetBufferFieldArguments, ObjDesc); if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS (AE_OK); } /* Get the AML pointer (method object) and BufferField node */ ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); Node = ObjDesc->BufferField.Node; ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname ( ACPI_TYPE_BUFFER_FIELD, Node, NULL)); ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n", AcpiUtGetNodeName (Node))); /* Execute the AML code for the TermArg arguments */ Status = AcpiDsExecuteArguments (Node, Node->Parent, ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiDsGetBankFieldArguments * * PARAMETERS: ObjDesc - A valid BankField object * * RETURN: Status. * * DESCRIPTION: Get BankField BankValue. This implements the late * evaluation of these field attributes. * ******************************************************************************/ ACPI_STATUS AcpiDsGetBankFieldArguments ( ACPI_OPERAND_OBJECT *ObjDesc) { ACPI_OPERAND_OBJECT *ExtraDesc; ACPI_NAMESPACE_NODE *Node; ACPI_STATUS Status; ACPI_FUNCTION_TRACE_PTR (DsGetBankFieldArguments, ObjDesc); if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS (AE_OK); } /* Get the AML pointer (method object) and BankField node */ ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); Node = ObjDesc->BankField.Node; ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname ( ACPI_TYPE_LOCAL_BANK_FIELD, Node, NULL)); ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n", AcpiUtGetNodeName (Node))); /* Execute the AML code for the TermArg arguments */ Status = AcpiDsExecuteArguments (Node, Node->Parent, ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiDsGetBufferArguments * * PARAMETERS: ObjDesc - A valid Buffer object * * RETURN: Status. * * DESCRIPTION: Get Buffer length and initializer byte list. This implements * the late evaluation of these attributes. * ******************************************************************************/ ACPI_STATUS AcpiDsGetBufferArguments ( ACPI_OPERAND_OBJECT *ObjDesc) { ACPI_NAMESPACE_NODE *Node; ACPI_STATUS Status; ACPI_FUNCTION_TRACE_PTR (DsGetBufferArguments, ObjDesc); if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS (AE_OK); } /* Get the Buffer node */ Node = ObjDesc->Buffer.Node; if (!Node) { ACPI_ERROR ((AE_INFO, "No pointer back to namespace node in buffer object %p", ObjDesc)); return_ACPI_STATUS (AE_AML_INTERNAL); } ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer Arg Init\n")); /* Execute the AML code for the TermArg arguments */ Status = AcpiDsExecuteArguments (Node, Node, ObjDesc->Buffer.AmlLength, ObjDesc->Buffer.AmlStart); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiDsGetPackageArguments * * PARAMETERS: ObjDesc - A valid Package object * * RETURN: Status. * * DESCRIPTION: Get Package length and initializer byte list. This implements * the late evaluation of these attributes. * ******************************************************************************/ ACPI_STATUS AcpiDsGetPackageArguments ( ACPI_OPERAND_OBJECT *ObjDesc) { ACPI_NAMESPACE_NODE *Node; ACPI_STATUS Status; ACPI_FUNCTION_TRACE_PTR (DsGetPackageArguments, ObjDesc); if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS (AE_OK); } /* Get the Package node */ Node = ObjDesc->Package.Node; if (!Node) { ACPI_ERROR ((AE_INFO, "No pointer back to namespace node in package %p", ObjDesc)); return_ACPI_STATUS (AE_AML_INTERNAL); } ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package Argument Init, AML Ptr: %p\n", ObjDesc->Package.AmlStart)); /* Execute the AML code for the TermArg arguments */ Status = AcpiDsExecuteArguments (Node, Node, ObjDesc->Package.AmlLength, ObjDesc->Package.AmlStart); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiDsGetRegionArguments * * PARAMETERS: ObjDesc - A valid region object * * RETURN: Status. * * DESCRIPTION: Get region address and length. This implements the late * evaluation of these region attributes. * ******************************************************************************/ ACPI_STATUS AcpiDsGetRegionArguments ( ACPI_OPERAND_OBJECT *ObjDesc) { ACPI_NAMESPACE_NODE *Node; ACPI_STATUS Status; ACPI_OPERAND_OBJECT *ExtraDesc; ACPI_FUNCTION_TRACE_PTR (DsGetRegionArguments, ObjDesc); if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS (AE_OK); } ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); if (!ExtraDesc) { return_ACPI_STATUS (AE_NOT_EXIST); } /* Get the Region node */ Node = ObjDesc->Region.Node; ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname ( ACPI_TYPE_REGION, Node, NULL)); ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n", AcpiUtGetNodeName (Node), ExtraDesc->Extra.AmlStart)); /* Execute the argument AML */ Status = AcpiDsExecuteArguments (Node, ExtraDesc->Extra.ScopeNode, ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } Status = AcpiUtAddAddressRange (ObjDesc->Region.SpaceId, ObjDesc->Region.Address, ObjDesc->Region.Length, Node); return_ACPI_STATUS (Status); }