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Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Parser/psxface.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Parser/psxface.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Parser/psxface.c b/sys/contrib/dev/acpica/Subsystem/Parser/psxface.c new file mode 100644 index 0000000000000..2f65a41ad4895 --- /dev/null +++ b/sys/contrib/dev/acpica/Subsystem/Parser/psxface.c @@ -0,0 +1,270 @@ +/****************************************************************************** + * + * Module Name: psxface - Parser external interfaces + * $Revision: 37 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 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 __PSXFACE_C__ + +#include "acpi.h" +#include "acparser.h" +#include "acdispat.h" +#include "acinterp.h" +#include "amlcode.h" +#include "acnamesp.h" + + +#define _COMPONENT PARSER + MODULE_NAME ("psxface") + + +/***************************************************************************** + * + * FUNCTION: AcpiPsxExecute + * + * PARAMETERS: MethodNode - A method object containing both the AML + * address and length. + * **Params - List of parameters to pass to method, + * terminated by NULL. Params itself may be + * NULL if no parameters are being passed. + * **ReturnObjDesc - Return object from execution of the + * method. + * + * RETURN: Status + * + * DESCRIPTION: Execute a control method + * + ****************************************************************************/ + +ACPI_STATUS +AcpiPsxExecute ( + ACPI_NAMESPACE_NODE *MethodNode, + ACPI_OPERAND_OBJECT **Params, + ACPI_OPERAND_OBJECT **ReturnObjDesc) +{ + ACPI_STATUS Status; + ACPI_OPERAND_OBJECT *ObjDesc; + UINT32 i; + ACPI_PARSE_OBJECT *Op; + + + FUNCTION_TRACE ("PsxExecute"); + + + /* Validate the Node and get the attached object */ + + if (!MethodNode) + { + return_ACPI_STATUS (AE_NULL_ENTRY); + } + + ObjDesc = AcpiNsGetAttachedObject (MethodNode); + if (!ObjDesc) + { + return_ACPI_STATUS (AE_NULL_OBJECT); + } + + /* Init for new method, wait on concurrency semaphore */ + + Status = AcpiDsBeginMethodExecution (MethodNode, ObjDesc); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + if (Params) + { + /* + * The caller "owns" the parameters, so give each one an extra + * reference + */ + + for (i = 0; Params[i]; i++) + { + AcpiCmAddReference (Params[i]); + } + } + + /* + * Perform the first pass parse of the method to enter any + * named objects that it creates into the namespace + */ + + DEBUG_PRINT (ACPI_INFO, + ("PsxExecute: **** Begin Method Execution **** Entry=%p obj=%p\n", + MethodNode, ObjDesc)); + + /* Create and init a Root Node */ + + Op = AcpiPsAllocOp (AML_SCOPE_OP); + if (!Op) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + Status = AcpiPsParseAml (Op, ObjDesc->Method.Pcode, + ObjDesc->Method.PcodeLength, + ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE, + MethodNode, Params, ReturnObjDesc, + AcpiDsLoad1BeginOp, AcpiDsLoad1EndOp); + AcpiPsDeleteParseTree (Op); + + /* Create and init a Root Node */ + + Op = AcpiPsAllocOp (AML_SCOPE_OP); + if (!Op) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* + * The walk of the parse tree is where we actually execute the method + */ + Status = AcpiPsParseAml (Op, ObjDesc->Method.Pcode, + ObjDesc->Method.PcodeLength, + ACPI_PARSE_EXECUTE | ACPI_PARSE_DELETE_TREE, + MethodNode, Params, ReturnObjDesc, + AcpiDsExecBeginOp, AcpiDsExecEndOp); + AcpiPsDeleteParseTree (Op); + + if (Params) + { + /* Take away the extra reference that we gave the parameters above */ + + for (i = 0; Params[i]; i++) + { + AcpiCmUpdateObjectReference (Params[i], REF_DECREMENT); + } + } + + + /* + * Normal exit is with Status == AE_RETURN_VALUE when a ReturnOp has been + * executed, or with Status == AE_PENDING at end of AML block (end of + * Method code) + */ + + if (*ReturnObjDesc) + { + DEBUG_PRINT (ACPI_INFO, ("Method returned ObjDesc=%X\n", + *ReturnObjDesc)); + DUMP_STACK_ENTRY (*ReturnObjDesc); + + Status = AE_CTRL_RETURN_VALUE; + } + + + return_ACPI_STATUS (Status); +} + + |