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Diffstat (limited to 'sys/contrib/dev/acpica/psxface.c')
| -rw-r--r-- | sys/contrib/dev/acpica/psxface.c | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/psxface.c b/sys/contrib/dev/acpica/psxface.c new file mode 100644 index 0000000..b1ff8e8 --- /dev/null +++ b/sys/contrib/dev/acpica/psxface.c @@ -0,0 +1,473 @@ +/****************************************************************************** + * + * Module Name: psxface - Parser external interfaces + * $Revision: 1.93 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2007, 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 <contrib/dev/acpica/acpi.h> +#include <contrib/dev/acpica/acparser.h> +#include <contrib/dev/acpica/acdispat.h> +#include <contrib/dev/acpica/acinterp.h> + + +#define _COMPONENT ACPI_PARSER + ACPI_MODULE_NAME ("psxface") + +/* Local Prototypes */ + +static void +AcpiPsStartTrace ( + ACPI_EVALUATE_INFO *Info); + +static void +AcpiPsStopTrace ( + ACPI_EVALUATE_INFO *Info); + +static void +AcpiPsUpdateParameterList ( + ACPI_EVALUATE_INFO *Info, + UINT16 Action); + + +/******************************************************************************* + * + * FUNCTION: AcpiDebugTrace + * + * PARAMETERS: MethodName - Valid ACPI name string + * DebugLevel - Optional level mask. 0 to use default + * DebugLayer - Optional layer mask. 0 to use default + * Flags - bit 1: one shot(1) or persistent(0) + * + * RETURN: Status + * + * DESCRIPTION: External interface to enable debug tracing during control + * method execution + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDebugTrace ( + char *Name, + UINT32 DebugLevel, + UINT32 DebugLayer, + UINT32 Flags) +{ + ACPI_STATUS Status; + + + Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE (Status)) + { + return (Status); + } + + /* TBDs: Validate name, allow full path or just nameseg */ + + AcpiGbl_TraceMethodName = *ACPI_CAST_PTR (UINT32, Name); + AcpiGbl_TraceFlags = Flags; + + if (DebugLevel) + { + AcpiGbl_TraceDbgLevel = DebugLevel; + } + if (DebugLayer) + { + AcpiGbl_TraceDbgLayer = DebugLayer; + } + + (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiPsStartTrace + * + * PARAMETERS: Info - Method info struct + * + * RETURN: None + * + * DESCRIPTION: Start control method execution trace + * + ******************************************************************************/ + +static void +AcpiPsStartTrace ( + ACPI_EVALUATE_INFO *Info) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_ENTRY (); + + + Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE (Status)) + { + return; + } + + if ((!AcpiGbl_TraceMethodName) || + (AcpiGbl_TraceMethodName != Info->ResolvedNode->Name.Integer)) + { + goto Exit; + } + + AcpiGbl_OriginalDbgLevel = AcpiDbgLevel; + AcpiGbl_OriginalDbgLayer = AcpiDbgLayer; + + AcpiDbgLevel = 0x00FFFFFF; + AcpiDbgLayer = ACPI_UINT32_MAX; + + if (AcpiGbl_TraceDbgLevel) + { + AcpiDbgLevel = AcpiGbl_TraceDbgLevel; + } + if (AcpiGbl_TraceDbgLayer) + { + AcpiDbgLayer = AcpiGbl_TraceDbgLayer; + } + + +Exit: + (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiPsStopTrace + * + * PARAMETERS: Info - Method info struct + * + * RETURN: None + * + * DESCRIPTION: Stop control method execution trace + * + ******************************************************************************/ + +static void +AcpiPsStopTrace ( + ACPI_EVALUATE_INFO *Info) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_ENTRY (); + + + Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE (Status)) + { + return; + } + + if ((!AcpiGbl_TraceMethodName) || + (AcpiGbl_TraceMethodName != Info->ResolvedNode->Name.Integer)) + { + goto Exit; + } + + /* Disable further tracing if type is one-shot */ + + if (AcpiGbl_TraceFlags & 1) + { + AcpiGbl_TraceMethodName = 0; + AcpiGbl_TraceDbgLevel = 0; + AcpiGbl_TraceDbgLayer = 0; + } + + AcpiDbgLevel = AcpiGbl_OriginalDbgLevel; + AcpiDbgLayer = AcpiGbl_OriginalDbgLayer; + +Exit: + (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiPsExecuteMethod + * + * PARAMETERS: Info - Method info block, contains: + * Node - Method Node to execute + * ObjDesc - Method object + * Parameters - List of parameters to pass to the method, + * terminated by NULL. Params itself may be + * NULL if no parameters are being passed. + * ReturnObject - Where to put method's return value (if + * any). If NULL, no value is returned. + * ParameterType - Type of Parameter list + * ReturnObject - Where to put method's return value (if + * any). If NULL, no value is returned. + * PassNumber - Parse or execute pass + * + * RETURN: Status + * + * DESCRIPTION: Execute a control method + * + ******************************************************************************/ + +ACPI_STATUS +AcpiPsExecuteMethod ( + ACPI_EVALUATE_INFO *Info) +{ + ACPI_STATUS Status; + ACPI_PARSE_OBJECT *Op; + ACPI_WALK_STATE *WalkState; + + + ACPI_FUNCTION_TRACE (PsExecuteMethod); + + + /* Validate the Info and method Node */ + + if (!Info || !Info->ResolvedNode) + { + return_ACPI_STATUS (AE_NULL_ENTRY); + } + + /* Init for new method, wait on concurrency semaphore */ + + Status = AcpiDsBeginMethodExecution (Info->ResolvedNode, Info->ObjDesc, NULL); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * The caller "owns" the parameters, so give each one an extra reference + */ + AcpiPsUpdateParameterList (Info, REF_INCREMENT); + + /* Begin tracing if requested */ + + AcpiPsStartTrace (Info); + + /* + * Execute the method. Performs parse simultaneously + */ + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, + "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n", + Info->ResolvedNode->Name.Ascii, Info->ResolvedNode, Info->ObjDesc)); + + /* Create and init a Root Node */ + + Op = AcpiPsCreateScopeOp (); + if (!Op) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + /* Create and initialize a new walk state */ + + Info->PassNumber = ACPI_IMODE_EXECUTE; + WalkState = AcpiDsCreateWalkState ( + Info->ObjDesc->Method.OwnerId, NULL, NULL, NULL); + if (!WalkState) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + Status = AcpiDsInitAmlWalk (WalkState, Op, Info->ResolvedNode, + Info->ObjDesc->Method.AmlStart, + Info->ObjDesc->Method.AmlLength, Info, Info->PassNumber); + if (ACPI_FAILURE (Status)) + { + AcpiDsDeleteWalkState (WalkState); + goto Cleanup; + } + + /* Parse the AML */ + + Status = AcpiPsParseAml (WalkState); + + /* WalkState was deleted by ParseAml */ + +Cleanup: + AcpiPsDeleteParseTree (Op); + + /* End optional tracing */ + + AcpiPsStopTrace (Info); + + /* Take away the extra reference that we gave the parameters above */ + + AcpiPsUpdateParameterList (Info, REF_DECREMENT); + + /* Exit now if error above */ + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * If the method has returned an object, signal this to the caller with + * a control exception code + */ + if (Info->ReturnObject) + { + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n", + Info->ReturnObject)); + ACPI_DUMP_STACK_ENTRY (Info->ReturnObject); + + Status = AE_CTRL_RETURN_VALUE; + } + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiPsUpdateParameterList + * + * PARAMETERS: Info - See ACPI_EVALUATE_INFO + * (Used: ParameterType and Parameters) + * Action - Add or Remove reference + * + * RETURN: Status + * + * DESCRIPTION: Update reference count on all method parameter objects + * + ******************************************************************************/ + +static void +AcpiPsUpdateParameterList ( + ACPI_EVALUATE_INFO *Info, + UINT16 Action) +{ + ACPI_NATIVE_UINT i; + + + if ((Info->ParameterType == ACPI_PARAM_ARGS) && + (Info->Parameters)) + { + /* Update reference count for each parameter */ + + for (i = 0; Info->Parameters[i]; i++) + { + /* Ignore errors, just do them all */ + + (void) AcpiUtUpdateObjectReference (Info->Parameters[i], Action); + } + } +} + + |
