Example #1
0
void
AcpiDmDumpMethodInfo (
    ACPI_STATUS             Status,
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op)
{
    ACPI_PARSE_OBJECT       *Next;
    ACPI_THREAD_STATE       *Thread;
    ACPI_WALK_STATE         *NextWalkState;
    ACPI_NAMESPACE_NODE     *PreviousMethod = NULL;


    /* Ignore control codes, they are not errors */

    if ((Status & AE_CODE_MASK) == AE_CODE_CONTROL)
    {
        return;
    }

    /* We may be executing a deferred opcode */

    if (WalkState->DeferredNode)
    {
        AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
        return;
    }

    /*
     * If there is no Thread, we are not actually executing a method.
     * This can happen when the iASL compiler calls the interpreter
     * to perform constant folding.
     */
    Thread = WalkState->Thread;
    if (!Thread)
    {
        return;
    }

    /* Display exception and method name */

    AcpiOsPrintf ("\n**** Exception %s during execution of method ",
        AcpiFormatException (Status));
    AcpiNsPrintNodePathname (WalkState->MethodNode, NULL);

    /* Display stack of executing methods */

    AcpiOsPrintf ("\n\nMethod Execution Stack:\n");
    NextWalkState = Thread->WalkStateList;

    /* Walk list of linked walk states */

    while (NextWalkState)
    {
        AcpiOsPrintf ("    Method [%4.4s] executing: ",
                AcpiUtGetNodeName (NextWalkState->MethodNode));

        /* First method is the currently executing method */

        if (NextWalkState == WalkState)
        {
            if (Op)
            {
                /* Display currently executing ASL statement */

                Next = Op->Common.Next;
                Op->Common.Next = NULL;

                AcpiDmDisassemble (NextWalkState, Op, ACPI_UINT32_MAX);
                Op->Common.Next = Next;
            }
        }
        else
        {
            /*
             * This method has called another method
             * NOTE: the method call parse subtree is already deleted at this
             * point, so we cannot disassemble the method invocation.
             */
            AcpiOsPrintf ("Call to method ");
            AcpiNsPrintNodePathname (PreviousMethod, NULL);
        }

        PreviousMethod = NextWalkState->MethodNode;
        NextWalkState = NextWalkState->Next;
        AcpiOsPrintf ("\n");
    }

    /* Display the method locals and arguments */

    AcpiOsPrintf ("\n");
    AcpiDmDisplayLocals (WalkState);
    AcpiOsPrintf ("\n");
    AcpiDmDisplayArguments (WalkState);
    AcpiOsPrintf ("\n");
}
Example #2
0
void
AcpiDbDisplayInterfaces (
    char                    *ActionArg,
    char                    *InterfaceNameArg)
{
    ACPI_INTERFACE_INFO     *NextInterface;
    char                    *SubString;
    ACPI_STATUS             Status;


    /* If no arguments, just display current interface list */

    if (!ActionArg)
    {
        (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex,
                    ACPI_WAIT_FOREVER);

        NextInterface = AcpiGbl_SupportedInterfaces;

        while (NextInterface)
        {
            if (!(NextInterface->Flags & ACPI_OSI_INVALID))
            {
                AcpiOsPrintf ("%s\n", NextInterface->Name);
            }
            NextInterface = NextInterface->Next;
        }

        AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
        return;
    }

    /* If ActionArg exists, so must InterfaceNameArg */

    if (!InterfaceNameArg)
    {
        AcpiOsPrintf ("Missing Interface Name argument\n");
        return;
    }

    /* Uppercase the action for match below */

    AcpiUtStrupr (ActionArg);

    /* Install - install an interface */

    SubString = ACPI_STRSTR ("INSTALL", ActionArg);
    if (SubString)
    {
        Status = AcpiInstallInterface (InterfaceNameArg);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("%s, while installing \"%s\"\n",
                AcpiFormatException (Status), InterfaceNameArg);
        }
        return;
    }

    /* Remove - remove an interface */

    SubString = ACPI_STRSTR ("REMOVE", ActionArg);
    if (SubString)
    {
        Status = AcpiRemoveInterface (InterfaceNameArg);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("%s, while removing \"%s\"\n",
                AcpiFormatException (Status), InterfaceNameArg);
        }
        return;
    }

    /* Invalid ActionArg */

    AcpiOsPrintf ("Invalid action argument: %s\n", ActionArg);
    return;
}
Example #3
0
static ACPI_STATUS
AcpiDbDeviceResources (
    ACPI_HANDLE             ObjHandle,
    UINT32                  NestingLevel,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_NAMESPACE_NODE     *PrtNode = NULL;
    ACPI_NAMESPACE_NODE     *CrsNode = NULL;
    ACPI_NAMESPACE_NODE     *PrsNode = NULL;
    ACPI_NAMESPACE_NODE     *AeiNode = NULL;
    char                    *ParentPath;
    ACPI_BUFFER             ReturnObj;
    ACPI_STATUS             Status;


    Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle);
    ParentPath = AcpiNsGetExternalPathname (Node);
    if (!ParentPath)
    {
        return (AE_NO_MEMORY);
    }

    /* Get handles to the resource methods for this device */

    (void) AcpiGetHandle (Node, METHOD_NAME__PRT, ACPI_CAST_PTR (ACPI_HANDLE, &PrtNode));
    (void) AcpiGetHandle (Node, METHOD_NAME__CRS, ACPI_CAST_PTR (ACPI_HANDLE, &CrsNode));
    (void) AcpiGetHandle (Node, METHOD_NAME__PRS, ACPI_CAST_PTR (ACPI_HANDLE, &PrsNode));
    (void) AcpiGetHandle (Node, METHOD_NAME__AEI, ACPI_CAST_PTR (ACPI_HANDLE, &AeiNode));
    if (!PrtNode && !CrsNode && !PrsNode && !AeiNode)
    {
        goto Cleanup;   /* Nothing to do */
    }

    AcpiOsPrintf ("\nDevice: %s\n", ParentPath);

    /* Prepare for a return object of arbitrary size */

    ReturnObj.Pointer = AcpiGbl_DbBuffer;
    ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;


    /* _PRT */

    if (PrtNode)
    {
        AcpiOsPrintf ("Evaluating _PRT\n");

        Status = AcpiEvaluateObject (PrtNode, NULL, NULL, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not evaluate _PRT: %s\n",
                AcpiFormatException (Status));
            goto GetCrs;
        }

        ReturnObj.Pointer = AcpiGbl_DbBuffer;
        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;

        Status = AcpiGetIrqRoutingTable (Node, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("GetIrqRoutingTable failed: %s\n",
                AcpiFormatException (Status));
            goto GetCrs;
        }

        AcpiRsDumpIrqList (ACPI_CAST_PTR (UINT8, AcpiGbl_DbBuffer));
    }


    /* _CRS */

GetCrs:
    if (CrsNode)
    {
        AcpiOsPrintf ("Evaluating _CRS\n");

        ReturnObj.Pointer = AcpiGbl_DbBuffer;
        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;

        Status = AcpiEvaluateObject (CrsNode, NULL, NULL, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not evaluate _CRS: %s\n",
                AcpiFormatException (Status));
            goto GetPrs;
        }

        /* This code is here to exercise the AcpiWalkResources interface */

        Status = AcpiWalkResources (Node, METHOD_NAME__CRS,
            AcpiDbResourceCallback, NULL);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("AcpiWalkResources failed: %s\n",
                AcpiFormatException (Status));
            goto GetPrs;
        }

        /* Get the _CRS resource list */

        ReturnObj.Pointer = AcpiGbl_DbBuffer;
        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;

        Status = AcpiGetCurrentResources (Node, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("AcpiGetCurrentResources failed: %s\n",
                AcpiFormatException (Status));
            goto GetPrs;
        }

        /* Dump the _CRS resource list */

        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE,
            ReturnObj.Pointer));

        /*
         * Perform comparison of original AML to newly created AML. This tests both
         * the AML->Resource conversion and the Resource->Aml conversion.
         */
        Status = AcpiDmTestResourceConversion (Node, METHOD_NAME__CRS);

        /* Execute _SRS with the resource list */

        Status = AcpiSetCurrentResources (Node, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("AcpiSetCurrentResources failed: %s\n",
                AcpiFormatException (Status));
            goto GetPrs;
        }
    }


    /* _PRS */

GetPrs:
    if (PrsNode)
    {
        AcpiOsPrintf ("Evaluating _PRS\n");

        ReturnObj.Pointer = AcpiGbl_DbBuffer;
        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;

        Status = AcpiEvaluateObject (PrsNode, NULL, NULL, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not evaluate _PRS: %s\n",
                AcpiFormatException (Status));
            goto GetAei;
        }

        ReturnObj.Pointer = AcpiGbl_DbBuffer;
        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;

        Status = AcpiGetPossibleResources (Node, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("AcpiGetPossibleResources failed: %s\n",
                AcpiFormatException (Status));
            goto GetAei;
        }

        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
    }


    /* _AEI */

GetAei:
    if (AeiNode)
    {
        AcpiOsPrintf ("Evaluating _AEI\n");

        ReturnObj.Pointer = AcpiGbl_DbBuffer;
        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;

        Status = AcpiEvaluateObject (AeiNode, NULL, NULL, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not evaluate _AEI: %s\n",
                AcpiFormatException (Status));
            goto Cleanup;
        }

        ReturnObj.Pointer = AcpiGbl_DbBuffer;
        ReturnObj.Length  = ACPI_DEBUG_BUFFER_SIZE;

        Status = AcpiGetEventResources (Node, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("AcpiGetEventResources failed: %s\n",
                AcpiFormatException (Status));
            goto Cleanup;
        }

        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
    }


Cleanup:
    ACPI_FREE (ParentPath);
    return (AE_OK);
}
Example #4
0
void
AcpiDbExecute (
    NATIVE_CHAR             *Name,
    NATIVE_CHAR             **Args,
    UINT32                  Flags)
{
    ACPI_STATUS             Status;
    ACPI_BUFFER             ReturnObj;


#ifdef ACPI_DEBUG
    UINT32                  PreviousAllocations;
    UINT32                  Allocations;


    /* Memory allocation tracking */

    PreviousAllocations = AcpiDbGetOutstandingAllocations ();
#endif

    AcpiGbl_DbMethodInfo.Name = Name;
    AcpiGbl_DbMethodInfo.Args = Args;
    AcpiGbl_DbMethodInfo.Flags = Flags;

    AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
    Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);

    /*
     * Allow any handlers in separate threads to complete.
     * (Such as Notify handlers invoked from AML executed above).
     */
    AcpiOsSleep (0, 10);


#ifdef ACPI_DEBUG

    /* Memory allocation tracking */

    Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;

    AcpiDbSetOutputDestination (DB_DUPLICATE_OUTPUT);

    if (Allocations > 0)
    {
        AcpiOsPrintf ("Outstanding: %ld allocations after execution\n",
                        Allocations);
    }
#endif

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Execution of %s failed with status %s\n",
            AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
    }

    else
    {
        /* Display a return object, if any */

        if (ReturnObj.Length)
        {
            AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
                AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, ReturnObj.Length);
            AcpiDbDumpObject (ReturnObj.Pointer, 1);
        }
    }

    AcpiDbSetOutputDestination (DB_CONSOLE_OUTPUT);
}
ACPI_STATUS
AcpiEvaluateObject (
    ACPI_HANDLE             Handle,
    ACPI_STRING             Pathname,
    ACPI_OBJECT_LIST        *ExternalParams,
    ACPI_BUFFER             *ReturnBuffer)
{
    ACPI_STATUS             Status;
    ACPI_EVALUATE_INFO      *Info;
    ACPI_SIZE               BufferSpaceNeeded;
    UINT32                  i;


    ACPI_FUNCTION_TRACE (AcpiEvaluateObject);


    /* Allocate and initialize the evaluation information block */

    Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
    if (!Info)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    Info->Pathname = Pathname;

    /* Convert and validate the device handle */

    Info->PrefixNode = AcpiNsMapHandleToNode (Handle);
    if (!Info->PrefixNode)
    {
        Status = AE_BAD_PARAMETER;
        goto Cleanup;
    }

    /*
     * If there are parameters to be passed to a control method, the external
     * objects must all be converted to internal objects
     */
    if (ExternalParams && ExternalParams->Count)
    {
        /*
         * Allocate a new parameter block for the internal objects
         * Add 1 to count to allow for null terminated internal list
         */
        Info->Parameters = ACPI_ALLOCATE_ZEROED (
                               ((ACPI_SIZE) ExternalParams->Count + 1) * sizeof (void *));
        if (!Info->Parameters)
        {
            Status = AE_NO_MEMORY;
            goto Cleanup;
        }

        /* Convert each external object in the list to an internal object */

        for (i = 0; i < ExternalParams->Count; i++)
        {
            Status = AcpiUtCopyEobjectToIobject (
                         &ExternalParams->Pointer[i], &Info->Parameters[i]);
            if (ACPI_FAILURE (Status))
            {
                goto Cleanup;
            }
        }
        Info->Parameters[ExternalParams->Count] = NULL;
    }

    /*
     * Three major cases:
     * 1) Fully qualified pathname
     * 2) No handle, not fully qualified pathname (error)
     * 3) Valid handle
     */
    if ((Pathname) &&
            (AcpiNsValidRootPrefix (Pathname[0])))
    {
        /* The path is fully qualified, just evaluate by name */

        Info->PrefixNode = NULL;
        Status = AcpiNsEvaluate (Info);
    }
    else if (!Handle)
    {
        /*
         * A handle is optional iff a fully qualified pathname is specified.
         * Since we've already handled fully qualified names above, this is
         * an error
         */
        if (!Pathname)
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                               "Both Handle and Pathname are NULL"));
        }
        else
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                               "Null Handle with relative pathname [%s]", Pathname));
        }

        Status = AE_BAD_PARAMETER;
    }
    else
    {
        /* We have a namespace a node and a possible relative path */

        Status = AcpiNsEvaluate (Info);
    }

    /*
     * If we are expecting a return value, and all went well above,
     * copy the return value to an external object.
     */
    if (ReturnBuffer)
    {
        if (!Info->ReturnObject)
        {
            ReturnBuffer->Length = 0;
        }
        else
        {
            if (ACPI_GET_DESCRIPTOR_TYPE (Info->ReturnObject) ==
                    ACPI_DESC_TYPE_NAMED)
            {
                /*
                 * If we received a NS Node as a return object, this means that
                 * the object we are evaluating has nothing interesting to
                 * return (such as a mutex, etc.)  We return an error because
                 * these types are essentially unsupported by this interface.
                 * We don't check up front because this makes it easier to add
                 * support for various types at a later date if necessary.
                 */
                Status = AE_TYPE;
                Info->ReturnObject = NULL;   /* No need to delete a NS Node */
                ReturnBuffer->Length = 0;
            }

            if (ACPI_SUCCESS (Status))
            {
                /* Dereference Index and RefOf references */

                AcpiNsResolveReferences (Info);

                /* Get the size of the returned object */

                Status = AcpiUtGetObjectSize (Info->ReturnObject,
                                              &BufferSpaceNeeded);
                if (ACPI_SUCCESS (Status))
                {
                    /* Validate/Allocate/Clear caller buffer */

                    Status = AcpiUtInitializeBuffer (ReturnBuffer,
                                                     BufferSpaceNeeded);
                    if (ACPI_FAILURE (Status))
                    {
                        /*
                         * Caller's buffer is too small or a new one can't
                         * be allocated
                         */
                        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                                           "Needed buffer size %X, %s\n",
                                           (UINT32) BufferSpaceNeeded,
                                           AcpiFormatException (Status)));
                    }
                    else
                    {
                        /* We have enough space for the object, build it */

                        Status = AcpiUtCopyIobjectToEobject (Info->ReturnObject,
                                                             ReturnBuffer);
                    }
                }
            }
        }
    }

    if (Info->ReturnObject)
    {
        /*
         * Delete the internal return object. NOTE: Interpreter must be
         * locked to avoid race condition.
         */
        AcpiExEnterInterpreter ();

        /* Remove one reference on the return object (should delete it) */

        AcpiUtRemoveReference (Info->ReturnObject);
        AcpiExExitInterpreter ();
    }


Cleanup:

    /* Free the input parameter list (if we created one) */

    if (Info->Parameters)
    {
        /* Free the allocated parameter block */

        AcpiUtDeleteInternalObjectList (Info->Parameters);
    }

    ACPI_FREE (Info);
    return_ACPI_STATUS (Status);
}
Example #6
0
static void
AcpiDbDoOneSleepState (
    UINT8                   SleepState)
{
    ACPI_STATUS             Status;
    UINT8                   SleepTypeA;
    UINT8                   SleepTypeB;


    /* Validate parameter */

    if (SleepState > ACPI_S_STATES_MAX)
    {
        AcpiOsPrintf ("Sleep state %d out of range (%d max)\n",
            SleepState, ACPI_S_STATES_MAX);
        return;
    }

    AcpiOsPrintf ("\n---- Invoking sleep state S%d (%s):\n",
        SleepState, AcpiGbl_SleepStateNames[SleepState]);

    /* Get the values for the sleep type registers (for display only) */

    Status = AcpiGetSleepTypeData (SleepState, &SleepTypeA, &SleepTypeB);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not evaluate [%s] method, %s\n",
            AcpiGbl_SleepStateNames[SleepState],
            AcpiFormatException (Status));
        return;
    }

    AcpiOsPrintf (
        "Register values for sleep state S%d: Sleep-A: %.2X, Sleep-B: %.2X\n",
        SleepState, SleepTypeA, SleepTypeB);

    /* Invoke the various sleep/wake interfaces */

    AcpiOsPrintf ("**** Sleep: Prepare to sleep (S%d) ****\n",
        SleepState);
    Status = AcpiEnterSleepStatePrep (SleepState);
    if (ACPI_FAILURE (Status))
    {
        goto ErrorExit;
    }

    AcpiOsPrintf ("**** Sleep: Going to sleep (S%d) ****\n",
        SleepState);
    Status = AcpiEnterSleepState (SleepState);
    if (ACPI_FAILURE (Status))
    {
        goto ErrorExit;
    }

    AcpiOsPrintf ("**** Wake: Prepare to return from sleep (S%d) ****\n",
        SleepState);
    Status = AcpiLeaveSleepStatePrep (SleepState);
    if (ACPI_FAILURE (Status))
    {
        goto ErrorExit;
    }

    AcpiOsPrintf ("**** Wake: Return from sleep (S%d) ****\n",
        SleepState);
    Status = AcpiLeaveSleepState (SleepState);
    if (ACPI_FAILURE (Status))
    {
        goto ErrorExit;
    }

    return;


ErrorExit:
    ACPI_EXCEPTION ((AE_INFO, Status, "During invocation of sleep state S%d",
        SleepState));
}
Example #7
0
ACPI_STATUS
AcpiDsInitOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_OBJECT_TYPE        Type;
    ACPI_STATUS             Status;
    ACPI_INIT_WALK_INFO     *Info = (ACPI_INIT_WALK_INFO *) Context;


    ACPI_FUNCTION_NAME ("DsInitOneObject");


    /*
     * We are only interested in objects owned by the table that
     * was just loaded
     */
    if (((ACPI_NAMESPACE_NODE *) ObjHandle)->OwnerId !=
            Info->TableDesc->TableId)
    {
        return (AE_OK);
    }

    Info->ObjectCount++;

    /* And even then, we are only interested in a few object types */

    Type = AcpiNsGetType (ObjHandle);

    switch (Type)
    {
    case ACPI_TYPE_REGION:

        Status = AcpiDsInitializeRegion (ObjHandle);
        if (ACPI_FAILURE (Status))
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region %p [%4.4s] - Init failure, %s\n",
                ObjHandle, ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii,
                AcpiFormatException (Status)));
        }

        Info->OpRegionCount++;
        break;


    case ACPI_TYPE_METHOD:

        Info->MethodCount++;

        /* Print a dot for each method unless we are going to print the entire pathname */

        if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
        {
            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "."));
        }

        /*
         * Set the execution data width (32 or 64) based upon the
         * revision number of the parent ACPI table.
         * TBD: This is really for possible future support of integer width
         * on a per-table basis. Currently, we just use a global for the width.
         */
        if (Info->TableDesc->Pointer->Revision == 1)
        {
            ((ACPI_NAMESPACE_NODE *) ObjHandle)->Flags |= ANOBJ_DATA_WIDTH_32;
        }

        /*
         * Always parse methods to detect errors, we may delete
         * the parse tree below
         */
        Status = AcpiDsParseMethod (ObjHandle);
        if (ACPI_FAILURE (Status))
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Method %p [%4.4s] - parse failure, %s\n",
                ObjHandle, ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii,
                AcpiFormatException (Status)));

            /* This parse failed, but we will continue parsing more methods */

            break;
        }

        /*
         * Delete the parse tree.  We simple re-parse the method
         * for every execution since there isn't much overhead
         */
        AcpiNsDeleteNamespaceSubtree (ObjHandle);
        AcpiNsDeleteNamespaceByOwner (((ACPI_NAMESPACE_NODE *) ObjHandle)->Object->Method.OwningId);
        break;


    case ACPI_TYPE_DEVICE:

        Info->DeviceCount++;
        break;


    default:
        break;
    }

    /*
     * We ignore errors from above, and always return OK, since
     * we don't want to abort the walk on a single error.
     */
    return (AE_OK);
}
Example #8
0
ACPI_STATUS
AeInstallEarlyHandlers (
    void)
{
    ACPI_STATUS             Status;
    ACPI_HANDLE             Handle;


    ACPI_FUNCTION_ENTRY ();


    Status = AcpiInstallInterfaceHandler (AeInterfaceHandler);
    if (ACPI_FAILURE (Status))
    {
        printf ("Could not install interface handler, %s\n",
            AcpiFormatException (Status));
    }

    Status = AcpiInstallTableHandler (AeTableHandler, NULL);
    if (ACPI_FAILURE (Status))
    {
        printf ("Could not install table handler, %s\n",
            AcpiFormatException (Status));
    }

    Status = AcpiInstallExceptionHandler (AeExceptionHandler);
    if (ACPI_FAILURE (Status))
    {
        printf ("Could not install exception handler, %s\n",
            AcpiFormatException (Status));
    }

    /* Install global notify handlers */

    Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_SYSTEM_NOTIFY,
        AeSystemNotifyHandler, NULL);
    if (ACPI_FAILURE (Status))
    {
        printf ("Could not install a global system notify handler, %s\n",
            AcpiFormatException (Status));
    }

    Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_DEVICE_NOTIFY,
        AeDeviceNotifyHandler, NULL);
    if (ACPI_FAILURE (Status))
    {
        printf ("Could not install a global notify handler, %s\n",
            AcpiFormatException (Status));
    }

    Status = AcpiGetHandle (NULL, "\\_SB", &Handle);
    if (ACPI_SUCCESS (Status))
    {
        Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
            AeNotifyHandler1, NULL);
        if (ACPI_FAILURE (Status))
        {
            printf ("Could not install a notify handler, %s\n",
                AcpiFormatException (Status));
        }

        Status = AcpiRemoveNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
            AeNotifyHandler1);
        if (ACPI_FAILURE (Status))
        {
            printf ("Could not remove a notify handler, %s\n",
                AcpiFormatException (Status));
        }

        Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
            AeNotifyHandler1, NULL);
        ACPI_CHECK_OK (AcpiInstallNotifyHandler, Status);

        Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY,
            AeNotifyHandler1);
        ACPI_CHECK_OK (AcpiRemoveNotifyHandler, Status);

#if 0
        Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
            AeNotifyHandler1, NULL);
        if (ACPI_FAILURE (Status))
        {
            printf ("Could not install a notify handler, %s\n",
                AcpiFormatException (Status));
        }
#endif

        /* Install two handlers for _SB_ */

        Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
            AeNotifyHandler1, ACPI_CAST_PTR (void, 0x01234567));

        Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
            AeNotifyHandler2, ACPI_CAST_PTR (void, 0x89ABCDEF));

        /* Attempt duplicate handler installation, should fail */

        Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
            AeNotifyHandler1, ACPI_CAST_PTR (void, 0x77777777));

        Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
        ACPI_CHECK_OK (AcpiAttachData, Status);

        Status = AcpiDetachData (Handle, AeAttachedDataHandler);
        ACPI_CHECK_OK (AcpiDetachData, Status);

        /* Test attach data at the root object */

        Status = AcpiAttachData (ACPI_ROOT_OBJECT, AeAttachedDataHandler,
            AcpiGbl_RootNode);
        ACPI_CHECK_OK (AcpiAttachData, Status);

        Status = AcpiAttachData (ACPI_ROOT_OBJECT, AeAttachedDataHandler2,
            AcpiGbl_RootNode);
        ACPI_CHECK_OK (AcpiAttachData, Status);

        /* Test support for multiple attaches */

        Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
        ACPI_CHECK_OK (AcpiAttachData, Status);

        Status = AcpiAttachData (Handle, AeAttachedDataHandler2, Handle);
        ACPI_CHECK_OK (AcpiAttachData, Status);
    }
    else
    {
Example #9
0
ACPI_STATUS
AcpiDbLoadAcpiTable (
    NATIVE_CHAR             *Filename)
{
#ifdef ACPI_APPLICATION
    FILE                    *fp;
    ACPI_STATUS             Status;
    ACPI_TABLE_HEADER       *TablePtr;
    UINT32                  TableLength;


    /* Open the file */

    fp = fopen (Filename, "rb");
    if (!fp)
    {
        AcpiOsPrintf ("Could not open file %s\n", Filename);
        return (AE_ERROR);
    }


    /* Get the entire file */

    AcpiOsPrintf ("Loading Acpi table from file %s\n", Filename);
    Status = AcpiDbLoadTable (fp, &TablePtr, &TableLength);
    fclose(fp);

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Couldn't get table from the file\n");
        return (Status);
    }


    /* Attempt to recognize and install the table */
    Status = AeLocalLoadTable (TablePtr);

    if (ACPI_FAILURE (Status))
    {
        if (Status == AE_EXIST)
        {
            AcpiOsPrintf ("Table %4.4s is already installed\n",
                            &TablePtr->Signature);
        }

        else
        {
            AcpiOsPrintf ("Could not install table, %s\n",
                            AcpiFormatException (Status));
        }

        ACPI_MEM_FREE (TablePtr);
        return (Status);
    }

    AcpiOsPrintf ("%4.4s at %p successfully installed and loaded\n",
                                &TablePtr->Signature, TablePtr);

    AcpiGbl_AcpiHardwarePresent = FALSE;

#endif  /* ACPI_APPLICATION */
    return (AE_OK);
}
Example #10
0
        Status = AcpiAttachData (ACPI_ROOT_OBJECT, AeAttachedDataHandler2,
            AcpiGbl_RootNode);
        ACPI_CHECK_OK (AcpiAttachData, Status);

        /* Test support for multiple attaches */

        Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
        ACPI_CHECK_OK (AcpiAttachData, Status);

        Status = AcpiAttachData (Handle, AeAttachedDataHandler2, Handle);
        ACPI_CHECK_OK (AcpiAttachData, Status);
    }
    else
    {
        printf ("No _SB_ found, %s\n", AcpiFormatException (Status));
    }

    /*
     * Install handlers that will override the default handlers for some of
     * the space IDs.
     */
    AeOverrideRegionHandlers ();

    /*
     * Initialize the global Region Handler space
     * MCW 3/23/00
     */
    AeRegions.NumberOfRegions = 0;
    AeRegions.RegionList = NULL;
    return (AE_OK);
Example #11
0
static ACPI_STATUS
AeExceptionHandler (
    ACPI_STATUS             AmlStatus,
    ACPI_NAME               Name,
    UINT16                  Opcode,
    UINT32                  AmlOffset,
    void                    *Context)
{
    ACPI_STATUS             NewAmlStatus = AmlStatus;
    ACPI_STATUS             Status;
    ACPI_BUFFER             ReturnObj;
    ACPI_OBJECT_LIST        ArgList;
    ACPI_OBJECT             Arg[3];
    const char              *Exception;


    Exception = AcpiFormatException (AmlStatus);
    AcpiOsPrintf ("[AcpiExec] Exception %s during execution ", Exception);
    if (Name)
    {
        AcpiOsPrintf ("of method [%4.4s]", (char *) &Name);
    }
    else
    {
        AcpiOsPrintf ("at module level (table load)");
    }

    AcpiOsPrintf (" Opcode [%s] @%X\n", AcpiPsGetOpcodeName (Opcode), AmlOffset);

    /*
     * Invoke the _ERR method if present
     *
     * Setup parameter object
     */
    ArgList.Count = 3;
    ArgList.Pointer = Arg;

    Arg[0].Type = ACPI_TYPE_INTEGER;
    Arg[0].Integer.Value = AmlStatus;

    Arg[1].Type = ACPI_TYPE_STRING;
    Arg[1].String.Pointer = ACPI_CAST_PTR (char, Exception);
    Arg[1].String.Length = strlen (Exception);

    Arg[2].Type = ACPI_TYPE_INTEGER;
    Arg[2].Integer.Value = AcpiOsGetThreadId();

    /* Setup return buffer */

    ReturnObj.Pointer = NULL;
    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

    Status = AcpiEvaluateObject (NULL, "\\_ERR", &ArgList, &ReturnObj);
    if (ACPI_SUCCESS (Status))
    {
        if (ReturnObj.Pointer)
        {
            /* Override original status */

            NewAmlStatus = (ACPI_STATUS)
                ((ACPI_OBJECT *) ReturnObj.Pointer)->Integer.Value;

            /* Free a buffer created via ACPI_ALLOCATE_BUFFER */

            AcpiOsFree (ReturnObj.Pointer);
        }
    }
    else if (Status != AE_NOT_FOUND)
    {
        AcpiOsPrintf ("[AcpiExec] Could not execute _ERR method, %s\n",
            AcpiFormatException (Status));
    }

    /* Global override */

    if (AcpiGbl_IgnoreErrors)
    {
        NewAmlStatus = AE_OK;
    }

    if (NewAmlStatus != AmlStatus)
    {
        AcpiOsPrintf ("[AcpiExec] Exception override, new status %s\n\n",
            AcpiFormatException (NewAmlStatus));
    }

    return (NewAmlStatus);
}
Example #12
0
ACPI_STATUS
AcpiEvaluateObject (
    ACPI_HANDLE             Handle,
    ACPI_STRING             Pathname,
    ACPI_OBJECT_LIST        *ExternalParams,
    ACPI_BUFFER             *ReturnBuffer)
{
    ACPI_STATUS             Status;
    ACPI_EVALUATE_INFO      *Info;
    ACPI_SIZE               BufferSpaceNeeded;
    UINT32                  i;


    ACPI_FUNCTION_TRACE (AcpiEvaluateObject);


    /* Allocate and initialize the evaluation information block */

    Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
    if (!Info)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    /* Convert and validate the device handle */

    Info->PrefixNode = AcpiNsValidateHandle (Handle);
    if (!Info->PrefixNode)
    {
        Status = AE_BAD_PARAMETER;
        goto Cleanup;
    }

    /*
     * Get the actual namespace node for the target object.
     * Handles these cases:
     *
     * 1) Null node, valid pathname from root (absolute path)
     * 2) Node and valid pathname (path relative to Node)
     * 3) Node, Null pathname
     */
    if ((Pathname) &&
        (ACPI_IS_ROOT_PREFIX (Pathname[0])))
    {
        /* The path is fully qualified, just evaluate by name */

        Info->PrefixNode = NULL;
    }
    else if (!Handle)
    {
        /*
         * A handle is optional iff a fully qualified pathname is specified.
         * Since we've already handled fully qualified names above, this is
         * an error.
         */
        if (!Pathname)
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                "Both Handle and Pathname are NULL"));
        }
        else
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                "Null Handle with relative pathname [%s]", Pathname));
        }

        Status = AE_BAD_PARAMETER;
        goto Cleanup;
    }

    Info->RelativePathname = Pathname;

    /*
     * Convert all external objects passed as arguments to the
     * internal version(s).
     */
    if (ExternalParams && ExternalParams->Count)
    {
        Info->ParamCount = (UINT16) ExternalParams->Count;

        /* Warn on impossible argument count */

        if (Info->ParamCount > ACPI_METHOD_NUM_ARGS)
        {
            ACPI_WARN_PREDEFINED ((AE_INFO, Pathname, ACPI_WARN_ALWAYS,
                "Excess arguments (%u) - using only %u",
                Info->ParamCount, ACPI_METHOD_NUM_ARGS));

            Info->ParamCount = ACPI_METHOD_NUM_ARGS;
        }

        /*
         * Allocate a new parameter block for the internal objects
         * Add 1 to count to allow for null terminated internal list
         */
        Info->Parameters = ACPI_ALLOCATE_ZEROED (
            ((ACPI_SIZE) Info->ParamCount + 1) * sizeof (void *));
        if (!Info->Parameters)
        {
            Status = AE_NO_MEMORY;
            goto Cleanup;
        }

        /* Convert each external object in the list to an internal object */

        for (i = 0; i < Info->ParamCount; i++)
        {
            Status = AcpiUtCopyEobjectToIobject (
                &ExternalParams->Pointer[i], &Info->Parameters[i]);
            if (ACPI_FAILURE (Status))
            {
                goto Cleanup;
            }
        }

        Info->Parameters[Info->ParamCount] = NULL;
    }


#ifdef _FUTURE_FEATURE

    /*
     * Begin incoming argument count analysis. Check for too few args
     * and too many args.
     */
    switch (AcpiNsGetType (Info->Node))
    {
    case ACPI_TYPE_METHOD:

        /* Check incoming argument count against the method definition */

        if (Info->ObjDesc->Method.ParamCount > Info->ParamCount)
        {
            ACPI_ERROR ((AE_INFO,
                "Insufficient arguments (%u) - %u are required",
                Info->ParamCount,
                Info->ObjDesc->Method.ParamCount));

            Status = AE_MISSING_ARGUMENTS;
            goto Cleanup;
        }

        else if (Info->ObjDesc->Method.ParamCount < Info->ParamCount)
        {
            ACPI_WARNING ((AE_INFO,
                "Excess arguments (%u) - only %u are required",
                Info->ParamCount,
                Info->ObjDesc->Method.ParamCount));

            /* Just pass the required number of arguments */

            Info->ParamCount = Info->ObjDesc->Method.ParamCount;
        }

        /*
         * Any incoming external objects to be passed as arguments to the
         * method must be converted to internal objects
         */
        if (Info->ParamCount)
        {
            /*
             * Allocate a new parameter block for the internal objects
             * Add 1 to count to allow for null terminated internal list
             */
            Info->Parameters = ACPI_ALLOCATE_ZEROED (
                ((ACPI_SIZE) Info->ParamCount + 1) * sizeof (void *));
            if (!Info->Parameters)
            {
                Status = AE_NO_MEMORY;
                goto Cleanup;
            }

            /* Convert each external object in the list to an internal object */

            for (i = 0; i < Info->ParamCount; i++)
            {
                Status = AcpiUtCopyEobjectToIobject (
                    &ExternalParams->Pointer[i], &Info->Parameters[i]);
                if (ACPI_FAILURE (Status))
                {
                    goto Cleanup;
                }
            }

            Info->Parameters[Info->ParamCount] = NULL;
        }
        break;

    default:

        /* Warn if arguments passed to an object that is not a method */

        if (Info->ParamCount)
        {
            ACPI_WARNING ((AE_INFO,
                "%u arguments were passed to a non-method ACPI object",
                Info->ParamCount));
        }
        break;
    }

#endif


    /* Now we can evaluate the object */

    Status = AcpiNsEvaluate (Info);

    /*
     * If we are expecting a return value, and all went well above,
     * copy the return value to an external object.
     */
    if (!ReturnBuffer)
    {
        goto CleanupReturnObject;
    }

    if (!Info->ReturnObject)
    {
        ReturnBuffer->Length = 0;
        goto Cleanup;
    }

    if (ACPI_GET_DESCRIPTOR_TYPE (Info->ReturnObject) ==
        ACPI_DESC_TYPE_NAMED)
    {
        /*
         * If we received a NS Node as a return object, this means that
         * the object we are evaluating has nothing interesting to
         * return (such as a mutex, etc.)  We return an error because
         * these types are essentially unsupported by this interface.
         * We don't check up front because this makes it easier to add
         * support for various types at a later date if necessary.
         */
        Status = AE_TYPE;
        Info->ReturnObject = NULL;   /* No need to delete a NS Node */
        ReturnBuffer->Length = 0;
    }

    if (ACPI_FAILURE (Status))
    {
        goto CleanupReturnObject;
    }

    /* Dereference Index and RefOf references */

    AcpiNsResolveReferences (Info);

    /* Get the size of the returned object */

    Status = AcpiUtGetObjectSize (Info->ReturnObject,
        &BufferSpaceNeeded);
    if (ACPI_SUCCESS (Status))
    {
        /* Validate/Allocate/Clear caller buffer */

        Status = AcpiUtInitializeBuffer (ReturnBuffer,
            BufferSpaceNeeded);
        if (ACPI_FAILURE (Status))
        {
            /*
             * Caller's buffer is too small or a new one can't
             * be allocated
             */
            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                "Needed buffer size %X, %s\n",
                (UINT32) BufferSpaceNeeded,
                AcpiFormatException (Status)));
        }
        else
        {
            /* We have enough space for the object, build it */

            Status = AcpiUtCopyIobjectToEobject (
                Info->ReturnObject, ReturnBuffer);
        }
    }

CleanupReturnObject:

    if (Info->ReturnObject)
    {
        /*
         * Delete the internal return object. NOTE: Interpreter must be
         * locked to avoid race condition.
         */
        AcpiExEnterInterpreter ();

        /* Remove one reference on the return object (should delete it) */

        AcpiUtRemoveReference (Info->ReturnObject);
        AcpiExExitInterpreter ();
    }


Cleanup:

    /* Free the input parameter list (if we created one) */

    if (Info->Parameters)
    {
        /* Free the allocated parameter block */

        AcpiUtDeleteInternalObjectList (Info->Parameters);
    }

    ACPI_FREE (Info);
    return_ACPI_STATUS (Status);
}
Example #13
0
static void
acpi_cmbat_get_bif(void *arg)
{
    struct acpi_cmbat_softc *sc;
    ACPI_STATUS	as;
    ACPI_OBJECT	*res;
    ACPI_HANDLE	h;
    ACPI_BUFFER	bif_buffer;
    device_t dev;

    ACPI_SERIAL_ASSERT(cmbat);

    dev = arg;
    sc = device_get_softc(dev);
    h = acpi_get_handle(dev);
    bif_buffer.Pointer = NULL;
    bif_buffer.Length = ACPI_ALLOCATE_BUFFER;

    as = AcpiEvaluateObject(h, "_BIF", NULL, &bif_buffer);
    if (ACPI_FAILURE(as)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "error fetching current battery info -- %s\n",
		    AcpiFormatException(as));
	goto end;
    }

    res = (ACPI_OBJECT *)bif_buffer.Pointer;
    if (!ACPI_PKG_VALID(res, 13)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "battery info corrupted\n");
	goto end;
    }

    if (acpi_PkgInt32(res, 0, &sc->bif.units) != 0)
	goto end;
    if (acpi_PkgInt32(res, 1, &sc->bif.dcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 2, &sc->bif.lfcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 3, &sc->bif.btech) != 0)
	goto end;
    if (acpi_PkgInt32(res, 4, &sc->bif.dvol) != 0)
	goto end;
    if (acpi_PkgInt32(res, 5, &sc->bif.wcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 6, &sc->bif.lcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 7, &sc->bif.gra1) != 0)
	goto end;
    if (acpi_PkgInt32(res, 8, &sc->bif.gra2) != 0)
	goto end;
    if (acpi_PkgStr(res,  9, sc->bif.model, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;
    if (acpi_PkgStr(res, 10, sc->bif.serial, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;
    if (acpi_PkgStr(res, 11, sc->bif.type, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;
    if (acpi_PkgStr(res, 12, sc->bif.oeminfo, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;

end:
    if (bif_buffer.Pointer != NULL)
	AcpiOsFree(bif_buffer.Pointer);
}
Example #14
0
static void
acpi_cmbat_get_bst(void *arg)
{
    struct acpi_cmbat_softc *sc;
    ACPI_STATUS	as;
    ACPI_OBJECT	*res;
    ACPI_HANDLE	h;
    ACPI_BUFFER	bst_buffer;
    device_t dev;

    ACPI_SERIAL_ASSERT(cmbat);

    dev = arg;
    sc = device_get_softc(dev);
    h = acpi_get_handle(dev);
    bst_buffer.Pointer = NULL;
    bst_buffer.Length = ACPI_ALLOCATE_BUFFER;

    if (!acpi_cmbat_info_expired(&sc->bst_lastupdated))
	goto end;

    as = AcpiEvaluateObject(h, "_BST", NULL, &bst_buffer);
    if (ACPI_FAILURE(as)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "error fetching current battery status -- %s\n",
		    AcpiFormatException(as));
	goto end;
    }

    res = (ACPI_OBJECT *)bst_buffer.Pointer;
    if (!ACPI_PKG_VALID(res, 4)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "battery status corrupted\n");
	goto end;
    }

    if (acpi_PkgInt32(res, 0, &sc->bst.state) != 0)
	goto end;
    if (acpi_PkgInt32(res, 1, &sc->bst.rate) != 0)
	goto end;
    if (acpi_PkgInt32(res, 2, &sc->bst.cap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 3, &sc->bst.volt) != 0)
	goto end;
    acpi_cmbat_info_updated(&sc->bst_lastupdated);

    /* Clear out undefined/extended bits that might be set by hardware. */
    sc->bst.state &= ACPI_BATT_STAT_BST_MASK;
    if ((sc->bst.state & ACPI_BATT_STAT_INVALID) == ACPI_BATT_STAT_INVALID)
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
	    "battery reports simultaneous charging and discharging\n");

    /* XXX If all batteries are critical, perhaps we should suspend. */
    if (sc->bst.state & ACPI_BATT_STAT_CRITICAL) {
    	if ((sc->flags & ACPI_BATT_STAT_CRITICAL) == 0) {
	    sc->flags |= ACPI_BATT_STAT_CRITICAL;
	    device_printf(dev, "critically low charge!\n");
	}
    } else
	sc->flags &= ~ACPI_BATT_STAT_CRITICAL;

end:
    if (bst_buffer.Pointer != NULL)
	AcpiOsFree(bst_buffer.Pointer);
}
Example #15
0
static bool radeon_atrm_get_bios(struct radeon_device *rdev)
{
	int ret;
	int size = 256 * 1024;
	int i;
	device_t dev;
	ACPI_HANDLE dhandle, atrm_handle;
	ACPI_STATUS status;
	bool found = false;

	DRM_INFO("%s: ===> Try ATRM...\n", __func__);

	/* ATRM is for the discrete card only */
	if (rdev->flags & RADEON_IS_IGP) {
		DRM_INFO("%s: IGP card detected, skipping this method...\n",
		    __func__);
		return false;
	}

#ifdef FREEBSD_WIP
	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
#endif /* FREEBSD_WIP */
	if ((dev = pci_find_class(PCIC_DISPLAY, PCIS_DISPLAY_VGA)) != NULL) {
		DRM_INFO("%s: pci_find_class() found: %d:%d:%d:%d, vendor=%04x, device=%04x\n",
		    __func__,
		    pci_get_domain(dev),
		    pci_get_bus(dev),
		    pci_get_slot(dev),
		    pci_get_function(dev),
		    pci_get_vendor(dev),
		    pci_get_device(dev));
		DRM_INFO("%s: Get ACPI device handle\n", __func__);
		dhandle = acpi_get_handle(dev);
#ifdef FREEBSD_WIP
		if (!dhandle)
			continue;
#endif /* FREEBSD_WIP */
		if (!dhandle)
			return false;

		DRM_INFO("%s: Get ACPI handle for \"ATRM\"\n", __func__);
		status = AcpiGetHandle(dhandle, "ATRM", &atrm_handle);
		if (!ACPI_FAILURE(status)) {
			found = true;
#ifdef FREEBSD_WIP
			break;
#endif /* FREEBSD_WIP */
		} else {
			DRM_INFO("%s: Failed to get \"ATRM\" handle: %s\n",
			    __func__, AcpiFormatException(status));
		}
	}

	if (!found)
		return false;

	rdev->bios = malloc(size, DRM_MEM_DRIVER, M_NOWAIT);
	if (!rdev->bios) {
		DRM_ERROR("Unable to allocate bios\n");
		return false;
	}

	for (i = 0; i < size / ATRM_BIOS_PAGE; i++) {
		DRM_INFO("%s: Call radeon_atrm_call()\n", __func__);
		ret = radeon_atrm_call(atrm_handle,
				       rdev->bios,
				       (i * ATRM_BIOS_PAGE),
				       ATRM_BIOS_PAGE);
		if (ret < ATRM_BIOS_PAGE)
			break;
	}

	if (i == 0 || rdev->bios[0] != 0x55 || rdev->bios[1] != 0xaa) {
		if (i == 0) {
			DRM_INFO("%s: Incorrect BIOS size\n", __func__);
		} else {
			DRM_INFO("%s: Incorrect BIOS signature: 0x%02X%02X\n",
			    __func__, rdev->bios[0], rdev->bios[1]);
		}
		free(rdev->bios, DRM_MEM_DRIVER);
		return false;
	}
	return true;
}
#else
static inline bool radeon_atrm_get_bios(struct radeon_device *rdev)
{
	return false;
}
#endif

static bool ni_read_disabled_bios(struct radeon_device *rdev)
{
	u32 bus_cntl;
	u32 d1vga_control;
	u32 d2vga_control;
	u32 vga_render_control;
	u32 rom_cntl;
	bool r;

	DRM_INFO("%s: ===> Try disabled BIOS (ni)...\n", __func__);

	bus_cntl = RREG32(R600_BUS_CNTL);
	d1vga_control = RREG32(AVIVO_D1VGA_CONTROL);
	d2vga_control = RREG32(AVIVO_D2VGA_CONTROL);
	vga_render_control = RREG32(AVIVO_VGA_RENDER_CONTROL);
	rom_cntl = RREG32(R600_ROM_CNTL);

	/* enable the rom */
	WREG32(R600_BUS_CNTL, (bus_cntl & ~R600_BIOS_ROM_DIS));
	/* Disable VGA mode */
	WREG32(AVIVO_D1VGA_CONTROL,
	       (d1vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE |
		AVIVO_DVGA_CONTROL_TIMING_SELECT)));
	WREG32(AVIVO_D2VGA_CONTROL,
	       (d2vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE |
		AVIVO_DVGA_CONTROL_TIMING_SELECT)));
	WREG32(AVIVO_VGA_RENDER_CONTROL,
	       (vga_render_control & ~AVIVO_VGA_VSTATUS_CNTL_MASK));
	WREG32(R600_ROM_CNTL, rom_cntl | R600_SCK_OVERWRITE);

	r = radeon_read_bios(rdev);

	/* restore regs */
	WREG32(R600_BUS_CNTL, bus_cntl);
	WREG32(AVIVO_D1VGA_CONTROL, d1vga_control);
	WREG32(AVIVO_D2VGA_CONTROL, d2vga_control);
	WREG32(AVIVO_VGA_RENDER_CONTROL, vga_render_control);
	WREG32(R600_ROM_CNTL, rom_cntl);
	return r;
}
Example #16
0
void
AcpiDmResourceTemplate (
    ACPI_OP_WALK_INFO       *Info,
    ACPI_PARSE_OBJECT       *Op,
    UINT8                   *ByteData,
    UINT32                  ByteCount)
{
    ACPI_STATUS             Status;
    UINT32                  CurrentByteOffset;
    UINT8                   ResourceType;
    UINT32                  ResourceLength;
    void                    *Aml;
    UINT32                  Level;
    BOOLEAN                 DependentFns = FALSE;
    UINT8                   ResourceIndex;
    ACPI_NAMESPACE_NODE     *Node;


    Level = Info->Level;
    ResourceName = ACPI_DEFAULT_RESNAME;
    Node = Op->Common.Node;
    if (Node)
    {
        Node = Node->Child;
    }

    for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount;)
    {
        Aml = &ByteData[CurrentByteOffset];

        /* Get the descriptor type and length */

        ResourceType = AcpiUtGetResourceType (Aml);
        ResourceLength = AcpiUtGetResourceLength (Aml);

        /* Validate the Resource Type and Resource Length */

        Status = AcpiUtValidateResource (NULL, Aml, &ResourceIndex);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("/*** Could not validate Resource, type (%X) %s***/\n",
                ResourceType, AcpiFormatException (Status));
            return;
        }

        /* Point to next descriptor */

        CurrentByteOffset += AcpiUtGetDescriptorLength (Aml);

        /* Descriptor pre-processing */

        switch (ResourceType)
        {
        case ACPI_RESOURCE_NAME_START_DEPENDENT:

            /* Finish a previous StartDependentFns */

            if (DependentFns)
            {
                Level--;
                AcpiDmIndent (Level);
                AcpiOsPrintf ("}\n");
            }
            break;

        case ACPI_RESOURCE_NAME_END_DEPENDENT:

            Level--;
            DependentFns = FALSE;
            break;

        case ACPI_RESOURCE_NAME_END_TAG:

            /* Normal exit, the resource list is finished */

            if (DependentFns)
            {
                /*
                 * Close an open StartDependentDescriptor. This indicates a
                 * missing EndDependentDescriptor.
                 */
                Level--;
                DependentFns = FALSE;

                /* Go ahead and insert EndDependentFn() */

                AcpiDmEndDependentDescriptor (Aml, ResourceLength, Level);

                AcpiDmIndent (Level);
                AcpiOsPrintf (
                    "/*** Disassembler: inserted missing EndDependentFn () ***/\n");
            }
            return;

        default:
            break;
        }

        /* Disassemble the resource structure */

        if (Node)
        {
            ResourceName = Node->Name.Integer;
            Node = Node->Peer;
        }

        AcpiGbl_DmResourceDispatch [ResourceIndex] (
            Aml, ResourceLength, Level);

        /* Descriptor post-processing */

        if (ResourceType == ACPI_RESOURCE_NAME_START_DEPENDENT)
        {
            DependentFns = TRUE;
            Level++;
        }
    }
}
Example #17
0
static ACPI_STATUS
AslDoDisassembly (
    void)
{
    ACPI_STATUS             Status;


    /* ACPICA subsystem initialization */

    Status = AdInitialize ();
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    Status = AcpiAllocateRootTable (4);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not initialize ACPI Table Manager, %s\n",
            AcpiFormatException (Status));
        return (Status);
    }

    /* Handle additional output files for disassembler */

    AslGbl_FileType = ASL_INPUT_TYPE_BINARY_ACPI_TABLE;
    Status = FlOpenMiscOutputFiles (AslGbl_OutputFilenamePrefix);

    /* This is where the disassembly happens */

    AcpiGbl_DmOpt_Disasm = TRUE;
    Status = AdAmlDisassemble (AslToFile,
        AslGbl_Files[ASL_FILE_INPUT].Filename, AslGbl_OutputFilenamePrefix,
        &AslGbl_Files[ASL_FILE_INPUT].Filename);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    /* Check if any control methods were unresolved */

    AcpiDmUnresolvedWarning (0);

    /* Shutdown compiler and ACPICA subsystem */

    AeClearErrorLog ();
    (void) AcpiTerminate ();

    /*
     * AslGbl_Files[ASL_FILE_INPUT].Filename was replaced with the
     * .DSL disassembly file, which can now be compiled if requested
     */
    if (AslGbl_DoCompile)
    {
        AcpiOsPrintf ("\nCompiling \"%s\"\n",
            AslGbl_Files[ASL_FILE_INPUT].Filename);
        return (AE_CTRL_CONTINUE);
    }

    /* No need to free the filename string */

    AslGbl_Files[ASL_FILE_INPUT].Filename = NULL;

    UtDeleteLocalCaches ();
    return (AE_OK);
}
Example #18
0
static void ACPI_SYSTEM_XFACE
AcpiDbMethodThread (
    void                    *Context)
{
    ACPI_STATUS             Status;
    ACPI_DB_METHOD_INFO     *Info = Context;
    ACPI_DB_METHOD_INFO     LocalInfo;
    UINT32                  i;
    UINT8                   Allow;
    ACPI_BUFFER             ReturnObj;


    /*
     * AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments.
     * Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads
     * concurrently.
     *
     * Note: The arguments we are passing are used by the ASL test suite
     * (aslts). Do not change them without updating the tests.
     */
    (void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER);

    if (Info->InitArgs)
    {
        AcpiDbUint32ToHexString (Info->NumCreated,
            Info->IndexOfThreadStr);
        AcpiDbUint32ToHexString ((UINT32) AcpiOsGetThreadId (),
            Info->IdOfThreadStr);
    }

    if (Info->Threads && (Info->NumCreated < Info->NumThreads))
    {
        Info->Threads[Info->NumCreated++] = AcpiOsGetThreadId();
    }

    LocalInfo = *Info;
    LocalInfo.Args = LocalInfo.Arguments;
    LocalInfo.Arguments[0] = LocalInfo.NumThreadsStr;
    LocalInfo.Arguments[1] = LocalInfo.IdOfThreadStr;
    LocalInfo.Arguments[2] = LocalInfo.IndexOfThreadStr;
    LocalInfo.Arguments[3] = NULL;

    LocalInfo.Types = LocalInfo.ArgTypes;

    (void) AcpiOsSignalSemaphore (Info->InfoGate, 1);

    for (i = 0; i < Info->NumLoops; i++)
    {
        Status = AcpiDbExecuteMethod (&LocalInfo, &ReturnObj);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("%s During evaluation of %s at iteration %X\n",
                AcpiFormatException (Status), Info->Pathname, i);
            if (Status == AE_ABORT_METHOD)
            {
                break;
            }
        }

#if 0
        if ((i % 100) == 0)
        {
            AcpiOsPrintf ("%u loops, Thread 0x%x\n",
                i, AcpiOsGetThreadId ());
        }

        if (ReturnObj.Length)
        {
            AcpiOsPrintf ("Evaluation of %s returned object %p Buflen %X\n",
                Info->Pathname, ReturnObj.Pointer,
                (UINT32) ReturnObj.Length);
            AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
        }
#endif
    }

    /* Signal our completion */

    Allow = 0;
    (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate,
        1, ACPI_WAIT_FOREVER);
    Info->NumCompleted++;

    if (Info->NumCompleted == Info->NumThreads)
    {
        /* Do signal for main thread once only */
        Allow = 1;
    }

    (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1);

    if (Allow)
    {
        Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf (
                "Could not signal debugger thread sync semaphore, %s\n",
                AcpiFormatException (Status));
        }
    }
}
Example #19
0
static ACPI_STATUS
AcpiDbWalkForExecute (
    ACPI_HANDLE             ObjHandle,
    UINT32                  NestingLevel,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
    ACPI_EXECUTE_WALK       *Info = (ACPI_EXECUTE_WALK *) Context;
    ACPI_BUFFER             ReturnObj;
    ACPI_STATUS             Status;
    char                    *Pathname;
    UINT32                  i;
    ACPI_DEVICE_INFO        *ObjInfo;
    ACPI_OBJECT_LIST        ParamObjects;
    ACPI_OBJECT             Params[ACPI_METHOD_NUM_ARGS];
    const ACPI_PREDEFINED_INFO *Predefined;


    Predefined = AcpiNsCheckForPredefinedName (Node);
    if (!Predefined)
    {
        return (AE_OK);
    }

    if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
    {
        return (AE_OK);
    }

    Pathname = AcpiNsGetExternalPathname (Node);
    if (!Pathname)
    {
        return (AE_OK);
    }

    /* Get the object info for number of method parameters */

    Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    ParamObjects.Pointer = NULL;
    ParamObjects.Count   = 0;

    if (ObjInfo->Type == ACPI_TYPE_METHOD)
    {
        /* Setup default parameters */

        for (i = 0; i < ObjInfo->ParamCount; i++)
        {
            Params[i].Type           = ACPI_TYPE_INTEGER;
            Params[i].Integer.Value  = 1;
        }

        ParamObjects.Pointer     = Params;
        ParamObjects.Count       = ObjInfo->ParamCount;
    }

    ACPI_FREE (ObjInfo);
    ReturnObj.Pointer = NULL;
    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

    /* Do the actual method execution */

    AcpiGbl_MethodExecuting = TRUE;

    Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);

    AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status));
    AcpiGbl_MethodExecuting = FALSE;
    ACPI_FREE (Pathname);

    /* Ignore status from method execution */

    Status = AE_OK;

    /* Update count, check if we have executed enough methods */

    Info->Count++;
    if (Info->Count >= Info->MaxCount)
    {
        Status = AE_CTRL_TERMINATE;
    }

    return (Status);
}
Example #20
0
void
AcpiDbCreateExecutionThreads (
    char                    *NumThreadsArg,
    char                    *NumLoopsArg,
    char                    *MethodNameArg)
{
    ACPI_STATUS             Status;
    UINT32                  NumThreads;
    UINT32                  NumLoops;
    UINT32                  i;
    UINT32                  Size;
    ACPI_MUTEX              MainThreadGate;
    ACPI_MUTEX              ThreadCompleteGate;
    ACPI_MUTEX              InfoGate;


    /* Get the arguments */

    NumThreads = strtoul (NumThreadsArg, NULL, 0);
    NumLoops = strtoul (NumLoopsArg, NULL, 0);

    if (!NumThreads || !NumLoops)
    {
        AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",
            NumThreads, NumLoops);
        return;
    }

    /*
     * Create the semaphore for synchronization of
     * the created threads with the main thread.
     */
    Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for "
            "synchronization with the main thread, %s\n",
            AcpiFormatException (Status));
        return;
    }

    /*
     * Create the semaphore for synchronization
     * between the created threads.
     */
    Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for "
            "synchronization between the created threads, %s\n",
            AcpiFormatException (Status));

        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        return;
    }

    Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for "
            "synchronization of AcpiGbl_DbMethodInfo, %s\n",
            AcpiFormatException (Status));

        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        return;
    }

    memset (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));

    /* Array to store IDs of threads */

    AcpiGbl_DbMethodInfo.NumThreads = NumThreads;
    Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;

    AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);
    if (AcpiGbl_DbMethodInfo.Threads == NULL)
    {
        AcpiOsPrintf ("No memory for thread IDs array\n");
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
        (void) AcpiOsDeleteSemaphore (InfoGate);
        return;
    }
    memset (AcpiGbl_DbMethodInfo.Threads, 0, Size);

    /* Setup the context to be passed to each thread */

    AcpiGbl_DbMethodInfo.Name = MethodNameArg;
    AcpiGbl_DbMethodInfo.Flags = 0;
    AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
    AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;
    AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;
    AcpiGbl_DbMethodInfo.InfoGate = InfoGate;

    /* Init arguments to be passed to method */

    AcpiGbl_DbMethodInfo.InitArgs = 1;
    AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments;
    AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr;
    AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr;
    AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr;
    AcpiGbl_DbMethodInfo.Arguments[3] = NULL;

    AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes;
    AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER;
    AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER;
    AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER;

    AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr);

    Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
    if (ACPI_FAILURE (Status))
    {
        goto CleanupAndExit;
    }

    /* Get the NS node, determines existence also */

    Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
        &AcpiGbl_DbMethodInfo.Method);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("%s Could not get handle for %s\n",
            AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname);
        goto CleanupAndExit;
    }

    /* Create the threads */

    AcpiOsPrintf ("Creating %X threads to execute %X times each\n",
        NumThreads, NumLoops);

    for (i = 0; i < (NumThreads); i++)
    {
        Status = AcpiOsExecute (OSL_DEBUGGER_EXEC_THREAD, AcpiDbMethodThread,
            &AcpiGbl_DbMethodInfo);
        if (ACPI_FAILURE (Status))
        {
            break;
        }
    }

    /* Wait for all threads to complete */

    (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER);

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
    AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);

CleanupAndExit:

    /* Cleanup and exit */

    (void) AcpiOsDeleteSemaphore (MainThreadGate);
    (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
    (void) AcpiOsDeleteSemaphore (InfoGate);

    AcpiOsFree (AcpiGbl_DbMethodInfo.Threads);
    AcpiGbl_DbMethodInfo.Threads = NULL;
}
Example #21
0
ACPI_STATUS
AslDoOneFile (
    char                    *Filename)
{
    ACPI_STATUS             Status;


    Gbl_Files[ASL_FILE_INPUT].Filename = Filename;

    /* Re-initialize "some" compiler globals */

    AslInitializeGlobals ();

    /*
     * AML Disassembly (Optional)
     */
    if (Gbl_DisasmFlag || Gbl_GetAllTables)
    {
        /* ACPI CA subsystem initialization */

        Status = AdInitialize ();
        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }

        Status = AcpiAllocateRootTable (4);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not initialize ACPI Table Manager, %s\n",
                AcpiFormatException (Status));
            return (Status);
        }

        /* This is where the disassembly happens */

        AcpiGbl_DbOpt_disasm = TRUE;
        Status = AdAmlDisassemble (AslToFile,
                    Gbl_Files[ASL_FILE_INPUT].Filename,
                    Gbl_OutputFilenamePrefix,
                    &Gbl_Files[ASL_FILE_INPUT].Filename,
                    Gbl_GetAllTables);
        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }

        /* Shutdown compiler and ACPICA subsystem */

        AeClearErrorLog ();
        AcpiTerminate ();

        /*
         * Gbl_Files[ASL_FILE_INPUT].Filename was replaced with the
         * .DSL disassembly file, which can now be compiled if requested
         */
        if (Gbl_DoCompile)
        {
            AcpiOsPrintf ("\nCompiling \"%s\"\n",
                Gbl_Files[ASL_FILE_INPUT].Filename);
        }
    }

    /*
     * ASL Compilation (Optional)
     */
    if (Gbl_DoCompile)
    {
        /*
         * If -p not specified, we will use the input filename as the
         * output filename prefix
         */
        if (Gbl_UseDefaultAmlFilename)
        {
            Gbl_OutputFilenamePrefix = Gbl_Files[ASL_FILE_INPUT].Filename;
        }

        /* ACPI CA subsystem initialization (Must be re-initialized) */

        Status = AdInitialize ();
        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }

        Status = CmDoCompile ();
        AcpiTerminate ();

        /*
         * Return non-zero exit code if there have been errors, unless the
         * global ignore error flag has been set
         */
        if ((Gbl_ExceptionCount[ASL_ERROR] > 0) && (!Gbl_IgnoreErrors))
        {
            return (AE_ERROR);
        }

        AeClearErrorLog ();
    }

    return (AE_OK);
}
Example #22
0
ACPI_STATUS
AdAmlDisassemble (
    BOOLEAN                 OutToFile,
    char                    *Filename,
    char                    *Prefix,
    char                    **OutFilename)
{
    ACPI_STATUS             Status;
    char                    *DisasmFilename = NULL;
    char                    *ExternalFilename;
    ACPI_EXTERNAL_FILE      *ExternalFileList = AcpiGbl_ExternalFileList;
    FILE                    *File = NULL;
    ACPI_TABLE_HEADER       *Table = NULL;
    ACPI_TABLE_HEADER       *ExternalTable;
    ACPI_OWNER_ID           OwnerId;


    /*
     * Input: AML code from either a file or via GetTables (memory or
     * registry)
     */
    if (Filename)
    {
        Status = AcpiDbGetTableFromFile (Filename, &Table);
        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }

        /*
         * External filenames separated by commas
         * Example: iasl -e file1,file2,file3 -d xxx.aml
         */
        while (ExternalFileList)
        {
            ExternalFilename = ExternalFileList->Path;
            if (!ACPI_STRCMP (ExternalFilename, Filename))
            {
                /* Next external file */

                ExternalFileList = ExternalFileList->Next;
                continue;
            }

            Status = AcpiDbGetTableFromFile (ExternalFilename, &ExternalTable);
            if (ACPI_FAILURE (Status))
            {
                return (Status);
            }

            /* Load external table for symbol resolution */

            if (ExternalTable)
            {
                Status = AdParseTable (ExternalTable, &OwnerId, TRUE, TRUE);
                if (ACPI_FAILURE (Status))
                {
                    AcpiOsPrintf ("Could not parse external ACPI tables, %s\n",
                                  AcpiFormatException (Status));
                    return (Status);
                }

                /*
                 * Load namespace from names created within control methods
                 * Set owner id of nodes in external table
                 */
                AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot,
                                           AcpiGbl_RootNode, OwnerId);
                AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot);
            }

            /* Next external file */

            ExternalFileList = ExternalFileList->Next;
        }

        /* Clear external list generated by Scope in external tables */

        if (AcpiGbl_ExternalFileList)
        {
            AcpiDmClearExternalList ();
        }

        /* Load any externals defined in the optional external ref file */

        AcpiDmGetExternalsFromFile ();
    }
    else
    {
        Status = AdGetLocalTables ();
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not get ACPI tables, %s\n",
                          AcpiFormatException (Status));
            return (Status);
        }

        if (!AcpiGbl_DbOpt_disasm)
        {
            return (AE_OK);
        }

        /* Obtained the local tables, just disassemble the DSDT */

        Status = AcpiGetTable (ACPI_SIG_DSDT, 0, &Table);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not get DSDT, %s\n",
                          AcpiFormatException (Status));
            return (Status);
        }

        AcpiOsPrintf ("\nDisassembly of DSDT\n");
        Prefix = AdGenerateFilename ("dsdt", Table->OemTableId);
    }

    /*
     * Output: ASL code. Redirect to a file if requested
     */
    if (OutToFile)
    {
        /* Create/Open a disassembly output file */

        DisasmFilename = FlGenerateFilename (Prefix, FILE_SUFFIX_DISASSEMBLY);
        if (!DisasmFilename)
        {
            fprintf (stderr, "Could not generate output filename\n");
            Status = AE_ERROR;
            goto Cleanup;
        }

        File = fopen (DisasmFilename, "w+");
        if (!File)
        {
            fprintf (stderr, "Could not open output file %s\n", DisasmFilename);
            Status = AE_ERROR;
            ACPI_FREE (DisasmFilename);
            goto Cleanup;
        }

        AcpiOsRedirectOutput (File);
    }

    *OutFilename = DisasmFilename;

    if (!AcpiUtIsAmlTable (Table))
    {
        AdDisassemblerHeader (Filename);
        AcpiOsPrintf (" * ACPI Data Table [%4.4s]\n *\n",
                      Table->Signature);
        AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength]  "
                      "FieldName : FieldValue\n */\n\n");

        AcpiDmDumpDataTable (Table);
        fprintf (stderr, "Acpi Data Table [%4.4s] decoded\n",
                 Table->Signature);
        fprintf (stderr, "Formatted output:  %s - %u bytes\n",
                 DisasmFilename, CmGetFileSize (File));
    }
    else
    {
        /* Always parse the tables, only option is what to display */

        Status = AdParseTable (Table, &OwnerId, TRUE, FALSE);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not parse ACPI tables, %s\n",
                          AcpiFormatException (Status));
            goto Cleanup;
        }

        if (AslCompilerdebug)
        {
            AcpiOsPrintf ("/**** Before second load\n");

            NsSetupNamespaceListing (File);
            NsDisplayNamespace ();
            AcpiOsPrintf ("*****/\n");
        }

        /* Load namespace from names created within control methods */

        AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot,
                                   AcpiGbl_RootNode, OwnerId);

        /*
         * Cross reference the namespace here, in order to
         * generate External() statements
         */
        AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot,
                                       AcpiGbl_RootNode, OwnerId);

        if (AslCompilerdebug)
        {
            AcpiDmDumpTree (AcpiGbl_ParseOpRoot);
        }

        /* Find possible calls to external control methods */

        AcpiDmFindOrphanMethods (AcpiGbl_ParseOpRoot);

        /*
         * If we found any external control methods, we must reparse
         * the entire tree with the new information (namely, the
         * number of arguments per method)
         */
        if (AcpiDmGetExternalMethodCount ())
        {
            fprintf (stderr,
                     "\nFound %u external control methods, "
                     "reparsing with new information\n",
                     AcpiDmGetExternalMethodCount ());

            /* Reparse, rebuild namespace */

            AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot);
            AcpiGbl_ParseOpRoot = NULL;
            AcpiNsDeleteNamespaceSubtree (AcpiGbl_RootNode);

            AcpiGbl_RootNode                    = NULL;
            AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
            AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
            AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_DEVICE;
            AcpiGbl_RootNodeStruct.Parent       = NULL;
            AcpiGbl_RootNodeStruct.Child        = NULL;
            AcpiGbl_RootNodeStruct.Peer         = NULL;
            AcpiGbl_RootNodeStruct.Object       = NULL;
            AcpiGbl_RootNodeStruct.Flags        = 0;

            Status = AcpiNsRootInitialize ();

            /* New namespace, add the external definitions first */

            AcpiDmAddExternalsToNamespace ();

            /* Parse the table again. No need to reload it, however */

            Status = AdParseTable (Table, NULL, FALSE, FALSE);
            if (ACPI_FAILURE (Status))
            {
                AcpiOsPrintf ("Could not parse ACPI tables, %s\n",
                              AcpiFormatException (Status));
                goto Cleanup;
            }

            /* Cross reference the namespace again */

            AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot,
                                       AcpiGbl_RootNode, OwnerId);

            AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot,
                                           AcpiGbl_RootNode, OwnerId);

            if (AslCompilerdebug)
            {
                AcpiOsPrintf ("/**** After second load and resource conversion\n");
                NsSetupNamespaceListing (File);
                NsDisplayNamespace ();
                AcpiOsPrintf ("*****/\n");

                AcpiDmDumpTree (AcpiGbl_ParseOpRoot);
            }
        }

        /*
         * Now that the namespace is finalized, we can perform namespace
         * transforms.
         *
         * 1) Convert fixed-offset references to resource descriptors
         *    to symbolic references (Note: modifies namespace)
         */
        AcpiDmConvertResourceIndexes (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode);

        /* Optional displays */

        if (AcpiGbl_DbOpt_disasm)
        {
            /* This is the real disassembly */

            AdDisplayTables (Filename, Table);

            /* Dump hex table if requested (-vt) */

            AcpiDmDumpDataTable (Table);

            fprintf (stderr, "Disassembly completed\n");
            fprintf (stderr, "ASL Output:    %s - %u bytes\n",
                     DisasmFilename, CmGetFileSize (File));
        }
    }

Cleanup:

    if (Table && !AcpiUtIsAmlTable (Table))
    {
        ACPI_FREE (Table);
    }

    if (OutToFile && File)
    {
        if (AslCompilerdebug) /* Display final namespace, with transforms */
        {
            NsSetupNamespaceListing (File);
            NsDisplayNamespace ();
        }

        fclose (File);
        AcpiOsRedirectOutput (stdout);
    }

    AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot);
    AcpiGbl_ParseOpRoot = NULL;
    return (Status);
}
Example #23
0
void
AcpiDbCreateExecutionThreads (
    NATIVE_CHAR             *NumThreadsArg,
    NATIVE_CHAR             *NumLoopsArg,
    NATIVE_CHAR             *MethodNameArg)
{
    ACPI_STATUS             Status;
    UINT32                  NumThreads;
    UINT32                  NumLoops;
    UINT32                  i;
    ACPI_HANDLE             ThreadGate;


    /* Get the arguments */

    NumThreads = STRTOUL (NumThreadsArg, NULL, 0);
    NumLoops = STRTOUL (NumLoopsArg, NULL, 0);

    if (!NumThreads || !NumLoops)
    {
        AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", NumThreads, NumLoops);
        return;
    }


    /* Create the synchronization semaphore */

    Status = AcpiOsCreateSemaphore (1, 0, &ThreadGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore, %s\n", AcpiFormatException (Status));
        return;
    }

    /* Setup the context to be passed to each thread */

    AcpiGbl_DbMethodInfo.Name = MethodNameArg;
    AcpiGbl_DbMethodInfo.Args = NULL;
    AcpiGbl_DbMethodInfo.Flags = 0;
    AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
    AcpiGbl_DbMethodInfo.ThreadGate = ThreadGate;

    AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);


    /* Create the threads */

    AcpiOsPrintf ("Creating %X threads to execute %X times each\n", NumThreads, NumLoops);

    for (i = 0; i < (NumThreads); i++)
    {
        AcpiOsQueueForExecution (OSD_PRIORITY_MED, AcpiDbMethodThread, &AcpiGbl_DbMethodInfo);
    }


    /* Wait for all threads to complete */

    i = NumThreads;
    while (i)   /* Brain damage for OSD implementations that only support wait of 1 unit */
    {
        Status = AcpiOsWaitSemaphore (ThreadGate, 1, WAIT_FOREVER);
        i--;
    }

    /* Cleanup and exit */

    AcpiOsDeleteSemaphore (ThreadGate);

    AcpiDbSetOutputDestination (DB_DUPLICATE_OUTPUT);
    AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
    AcpiDbSetOutputDestination (DB_CONSOLE_OUTPUT);
}
Example #24
0
void
AcpiDbExecute (
    char                    *Name,
    char                    **Args,
    UINT32                  Flags)
{
    ACPI_STATUS             Status;
    ACPI_BUFFER             ReturnObj;


#ifdef ACPI_DEBUG_OUTPUT
    UINT32                  PreviousAllocations;
    UINT32                  Allocations;


    /* Memory allocation tracking */

    PreviousAllocations = AcpiDbGetOutstandingAllocations ();
#endif

    if (*Name == '*')
    {
        (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
                    AcpiDbExecutionWalk, NULL, NULL);
        return;
    }
    else
    {
        AcpiGbl_DbMethodInfo.Name = Name;
        AcpiGbl_DbMethodInfo.Args = Args;
        AcpiGbl_DbMethodInfo.Flags = Flags;

        ReturnObj.Pointer = NULL;
        ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

        AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
        Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);
    }

    /*
     * Allow any handlers in separate threads to complete.
     * (Such as Notify handlers invoked from AML executed above).
     */
    AcpiOsSleep (0, 10);


#ifdef ACPI_DEBUG_OUTPUT

    /* Memory allocation tracking */

    Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);

    if (Allocations > 0)
    {
        AcpiOsPrintf ("Outstanding: %ld allocations after execution\n",
                        Allocations);
    }
#endif

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Execution of %s failed with status %s\n",
            AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
    }

    else
    {
        /* Display a return object, if any */

        if (ReturnObj.Length)
        {
            AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
                AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,
                (UINT32) ReturnObj.Length);
            AcpiDbDumpObject (ReturnObj.Pointer, 1);
        }
        else
        {
            AcpiOsPrintf ("No return object from execution of %s\n",
                AcpiGbl_DbMethodInfo.Pathname);
        }
    }

    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
}
Example #25
0
ACPI_STATUS
AcpiPsParseAml (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_STATUS             Status;
    ACPI_THREAD_STATE       *Thread;
    ACPI_THREAD_STATE       *PrevWalkList = AcpiGbl_CurrentWalkList;
    ACPI_WALK_STATE         *PreviousWalkState;


    ACPI_FUNCTION_TRACE (PsParseAml);

    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
        "Entered with WalkState=%p Aml=%p size=%X\n",
        WalkState, WalkState->ParserState.Aml,
        WalkState->ParserState.AmlSize));

    if (!WalkState->ParserState.Aml)
    {
        return_ACPI_STATUS (AE_NULL_OBJECT);
    }

    /* Create and initialize a new thread state */

    Thread = AcpiUtCreateThreadState ();
    if (!Thread)
    {
        if (WalkState->MethodDesc)
        {
            /* Executing a control method - additional cleanup */

            AcpiDsTerminateControlMethod (WalkState->MethodDesc, WalkState);
        }

        AcpiDsDeleteWalkState (WalkState);
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    WalkState->Thread = Thread;

    /*
     * If executing a method, the starting SyncLevel is this method's
     * SyncLevel
     */
    if (WalkState->MethodDesc)
    {
        WalkState->Thread->CurrentSyncLevel =
            WalkState->MethodDesc->Method.SyncLevel;
    }

    AcpiDsPushWalkState (WalkState, Thread);

    /*
     * This global allows the AML debugger to get a handle to the currently
     * executing control method.
     */
    AcpiGbl_CurrentWalkList = Thread;

    /*
     * Execute the walk loop as long as there is a valid Walk State. This
     * handles nested control method invocations without recursion.
     */
    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "State=%p\n", WalkState));

    Status = AE_OK;
    while (WalkState)
    {
        if (ACPI_SUCCESS (Status))
        {
            /*
             * The ParseLoop executes AML until the method terminates
             * or calls another method.
             */
            Status = AcpiPsParseLoop (WalkState);
        }

        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
            "Completed one call to walk loop, %s State=%p\n",
            AcpiFormatException (Status), WalkState));

        if (Status == AE_CTRL_TRANSFER)
        {
            /*
             * A method call was detected.
             * Transfer control to the called control method
             */
            Status = AcpiDsCallControlMethod (Thread, WalkState, NULL);
            if (ACPI_FAILURE (Status))
            {
                Status = AcpiDsMethodError (Status, WalkState);
            }

            /*
             * If the transfer to the new method method call worked
             *, a new walk state was created -- get it
             */
            WalkState = AcpiDsGetCurrentWalkState (Thread);
            continue;
        }
        else if (Status == AE_CTRL_TERMINATE)
        {
            Status = AE_OK;
        }
        else if ((Status != AE_OK) && (WalkState->MethodDesc))
        {
            /* Either the method parse or actual execution failed */

            ACPI_ERROR_METHOD ("Method parse/execution failed",
                WalkState->MethodNode, NULL, Status);

            /* Check for possible multi-thread reentrancy problem */

            if ((Status == AE_ALREADY_EXISTS) &&
                (!(WalkState->MethodDesc->Method.InfoFlags &
                    ACPI_METHOD_SERIALIZED)))
            {
                /*
                 * Method is not serialized and tried to create an object
                 * twice. The probable cause is that the method cannot
                 * handle reentrancy. Mark as "pending serialized" now, and
                 * then mark "serialized" when the last thread exits.
                 */
                WalkState->MethodDesc->Method.InfoFlags |=
                    ACPI_METHOD_SERIALIZED_PENDING;
            }
        }

        /* We are done with this walk, move on to the parent if any */

        WalkState = AcpiDsPopWalkState (Thread);

        /* Reset the current scope to the beginning of scope stack */

        AcpiDsScopeStackClear (WalkState);

        /*
         * If we just returned from the execution of a control method or if we
         * encountered an error during the method parse phase, there's lots of
         * cleanup to do
         */
        if (((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) ==
            ACPI_PARSE_EXECUTE) ||
            (ACPI_FAILURE (Status)))
        {
            AcpiDsTerminateControlMethod (WalkState->MethodDesc, WalkState);
        }

        /* Delete this walk state and all linked control states */

        AcpiPsCleanupScope (&WalkState->ParserState);
        PreviousWalkState = WalkState;

        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
            "ReturnValue=%p, ImplicitValue=%p State=%p\n",
            WalkState->ReturnDesc, WalkState->ImplicitReturnObj, WalkState));

        /* Check if we have restarted a preempted walk */

        WalkState = AcpiDsGetCurrentWalkState (Thread);
        if (WalkState)
        {
            if (ACPI_SUCCESS (Status))
            {
                /*
                 * There is another walk state, restart it.
                 * If the method return value is not used by the parent,
                 * The object is deleted
                 */
                if (!PreviousWalkState->ReturnDesc)
                {
                    /*
                     * In slack mode execution, if there is no return value
                     * we should implicitly return zero (0) as a default value.
                     */
                    if (AcpiGbl_EnableInterpreterSlack &&
                        !PreviousWalkState->ImplicitReturnObj)
                    {
                        PreviousWalkState->ImplicitReturnObj =
                            AcpiUtCreateIntegerObject ((UINT64) 0);
                        if (!PreviousWalkState->ImplicitReturnObj)
                        {
                            return_ACPI_STATUS (AE_NO_MEMORY);
                        }
                    }

                    /* Restart the calling control method */

                    Status = AcpiDsRestartControlMethod (WalkState,
                        PreviousWalkState->ImplicitReturnObj);
                }
                else
                {
                    /*
                     * We have a valid return value, delete any implicit
                     * return value.
                     */
                    AcpiDsClearImplicitReturn (PreviousWalkState);

                    Status = AcpiDsRestartControlMethod (WalkState,
                        PreviousWalkState->ReturnDesc);
                }
                if (ACPI_SUCCESS (Status))
                {
                    WalkState->WalkType |= ACPI_WALK_METHOD_RESTART;
                }
            }
            else
            {
                /* On error, delete any return object or implicit return */

                AcpiUtRemoveReference (PreviousWalkState->ReturnDesc);
                AcpiDsClearImplicitReturn (PreviousWalkState);
            }
        }

        /*
         * Just completed a 1st-level method, save the final internal return
         * value (if any)
         */
        else if (PreviousWalkState->CallerReturnDesc)
        {
            if (PreviousWalkState->ImplicitReturnObj)
            {
                *(PreviousWalkState->CallerReturnDesc) =
                    PreviousWalkState->ImplicitReturnObj;
            }
            else
            {
                 /* NULL if no return value */

                *(PreviousWalkState->CallerReturnDesc) =
                    PreviousWalkState->ReturnDesc;
            }
        }
        else
        {
            if (PreviousWalkState->ReturnDesc)
            {
                /* Caller doesn't want it, must delete it */

                AcpiUtRemoveReference (PreviousWalkState->ReturnDesc);
            }
            if (PreviousWalkState->ImplicitReturnObj)
            {
                /* Caller doesn't want it, must delete it */

                AcpiUtRemoveReference (PreviousWalkState->ImplicitReturnObj);
            }
        }

        AcpiDsDeleteWalkState (PreviousWalkState);
    }

    /* Normal exit */

    AcpiExReleaseAllMutexes (Thread);
    AcpiUtDeleteGenericState (ACPI_CAST_PTR (ACPI_GENERIC_STATE, Thread));
    AcpiGbl_CurrentWalkList = PrevWalkList;
    return_ACPI_STATUS (Status);
}
static int
acpi_cpu_attach(device_t dev)
{
    ACPI_BUFFER		   buf;
    ACPI_OBJECT		   arg[4], *obj;
    ACPI_OBJECT_LIST	   arglist;
    struct pcpu		   *pcpu_data;
    struct acpi_cpu_softc *sc;
    struct acpi_softc	  *acpi_sc;
    ACPI_STATUS		   status;
    u_int		   features;
    int			   cpu_id, drv_count, i;
    driver_t 		  **drivers;
    uint32_t		   cap_set[3];

    /* UUID needed by _OSC evaluation */
    static uint8_t cpu_oscuuid[16] = { 0x16, 0xA6, 0x77, 0x40, 0x0C, 0x29,
				       0xBE, 0x47, 0x9E, 0xBD, 0xD8, 0x70,
				       0x58, 0x71, 0x39, 0x53 };

    ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);

    sc = device_get_softc(dev);
    sc->cpu_dev = dev;
    sc->cpu_handle = acpi_get_handle(dev);
    cpu_id = acpi_get_magic(dev);
    cpu_softc[cpu_id] = sc;
    pcpu_data = pcpu_find(cpu_id);
    pcpu_data->pc_device = dev;
    sc->cpu_pcpu = pcpu_data;
    cpu_smi_cmd = AcpiGbl_FADT.SmiCommand;
    cpu_cst_cnt = AcpiGbl_FADT.CstControl;

    buf.Pointer = NULL;
    buf.Length = ACPI_ALLOCATE_BUFFER;
    status = AcpiEvaluateObject(sc->cpu_handle, NULL, NULL, &buf);
    if (ACPI_FAILURE(status)) {
	device_printf(dev, "attach failed to get Processor obj - %s\n",
		      AcpiFormatException(status));
	return (ENXIO);
    }
    obj = (ACPI_OBJECT *)buf.Pointer;
    sc->cpu_p_blk = obj->Processor.PblkAddress;
    sc->cpu_p_blk_len = obj->Processor.PblkLength;
    sc->cpu_acpi_id = obj->Processor.ProcId;
    AcpiOsFree(obj);
    ACPI_DEBUG_PRINT((ACPI_DB_INFO, "acpi_cpu%d: P_BLK at %#x/%d\n",
		     device_get_unit(dev), sc->cpu_p_blk, sc->cpu_p_blk_len));

    /*
     * If this is the first cpu we attach, create and initialize the generic
     * resources that will be used by all acpi cpu devices.
     */
    if (device_get_unit(dev) == 0) {
	/* Assume we won't be using generic Cx mode by default */
	cpu_cx_generic = FALSE;

	/* Install hw.acpi.cpu sysctl tree */
	acpi_sc = acpi_device_get_parent_softc(dev);
	sysctl_ctx_init(&cpu_sysctl_ctx);
	cpu_sysctl_tree = SYSCTL_ADD_NODE(&cpu_sysctl_ctx,
	    SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, "cpu",
	    CTLFLAG_RD, 0, "node for CPU children");

	/* Queue post cpu-probing task handler */
	AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_cpu_startup, NULL);
    }

    /*
     * Before calling any CPU methods, collect child driver feature hints
     * and notify ACPI of them.  We support unified SMP power control
     * so advertise this ourselves.  Note this is not the same as independent
     * SMP control where each CPU can have different settings.
     */
    sc->cpu_features = ACPI_CAP_SMP_SAME | ACPI_CAP_SMP_SAME_C3;
    if (devclass_get_drivers(acpi_cpu_devclass, &drivers, &drv_count) == 0) {
	for (i = 0; i < drv_count; i++) {
	    if (ACPI_GET_FEATURES(drivers[i], &features) == 0)
		sc->cpu_features |= features;
	}
	free(drivers, M_TEMP);
    }

    /*
     * CPU capabilities are specified as a buffer of 32-bit integers:
     * revision, count, and one or more capabilities.  The revision of
     * "1" is not specified anywhere but seems to match Linux.
     */
    if (sc->cpu_features) {
	arglist.Pointer = arg;
	arglist.Count = 1;
	arg[0].Type = ACPI_TYPE_BUFFER;
	arg[0].Buffer.Length = sizeof(cap_set);
	arg[0].Buffer.Pointer = (uint8_t *)cap_set;
	cap_set[0] = 1; /* revision */
	cap_set[1] = 1; /* number of capabilities integers */
	cap_set[2] = sc->cpu_features;
	AcpiEvaluateObject(sc->cpu_handle, "_PDC", &arglist, NULL);

	/*
	 * On some systems we need to evaluate _OSC so that the ASL
	 * loads the _PSS and/or _PDC methods at runtime.
	 *
	 * TODO: evaluate failure of _OSC.
	 */
	arglist.Pointer = arg;
	arglist.Count = 4;
	arg[0].Type = ACPI_TYPE_BUFFER;
	arg[0].Buffer.Length = sizeof(cpu_oscuuid);
	arg[0].Buffer.Pointer = cpu_oscuuid;	/* UUID */
	arg[1].Type = ACPI_TYPE_INTEGER;
	arg[1].Integer.Value = 1;		/* revision */
	arg[2].Type = ACPI_TYPE_INTEGER;
	arg[2].Integer.Value = 1;		/* count */
	arg[3].Type = ACPI_TYPE_BUFFER;
	arg[3].Buffer.Length = sizeof(cap_set);	/* Capabilities buffer */
	arg[3].Buffer.Pointer = (uint8_t *)cap_set;
	cap_set[0] = 0;
	AcpiEvaluateObject(sc->cpu_handle, "_OSC", &arglist, NULL);
    }

    /* Probe for Cx state support. */
    acpi_cpu_cx_probe(sc);

    /* Finally,  call identify and probe/attach for child devices. */
    bus_generic_probe(dev);
    bus_generic_attach(dev);

    return (0);
}
Example #27
0
static ACPI_STATUS
AcpiDmTestResourceConversion (
    ACPI_NAMESPACE_NODE     *Node,
    char                    *Name)
{
    ACPI_STATUS             Status;
    ACPI_BUFFER             ReturnObj;
    ACPI_BUFFER             ResourceObj;
    ACPI_BUFFER             NewAml;
    ACPI_OBJECT             *OriginalAml;


    AcpiOsPrintf ("Resource Conversion Comparison:\n");

    NewAml.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
    ReturnObj.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
    ResourceObj.Length = ACPI_ALLOCATE_LOCAL_BUFFER;

    /* Get the original _CRS AML resource template */

    Status = AcpiEvaluateObject (Node, Name, NULL, &ReturnObj);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not obtain %s: %s\n",
            Name, AcpiFormatException (Status));
        return (Status);
    }

    /* Get the AML resource template, converted to internal resource structs */

    Status = AcpiGetCurrentResources (Node, &ResourceObj);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("AcpiGetCurrentResources failed: %s\n",
            AcpiFormatException (Status));
        goto Exit1;
    }

    /* Convert internal resource list to external AML resource template */

    Status = AcpiRsCreateAmlResources (ResourceObj.Pointer, &NewAml);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("AcpiRsCreateAmlResources failed: %s\n",
            AcpiFormatException (Status));
        goto Exit2;
    }

    /* Compare original AML to the newly created AML resource list */

    OriginalAml = ReturnObj.Pointer;

    AcpiDmCompareAmlResources (
        OriginalAml->Buffer.Pointer, (ACPI_RSDESC_SIZE) OriginalAml->Buffer.Length,
        NewAml.Pointer, (ACPI_RSDESC_SIZE) NewAml.Length);

    /* Cleanup and exit */

    ACPI_FREE (NewAml.Pointer);
Exit2:
    ACPI_FREE (ResourceObj.Pointer);
Exit1:
    ACPI_FREE (ReturnObj.Pointer);
    return (Status);
}
Example #28
0
int
ApDumpTableByName (
    char                    *Signature)
{
    char                    LocalSignature [ACPI_NAME_SIZE + 1];
    UINT32                  Instance;
    ACPI_TABLE_HEADER       *Table;
    ACPI_PHYSICAL_ADDRESS   Address;
    ACPI_STATUS             Status;
    int                     TableStatus;


    if (strlen (Signature) != ACPI_NAME_SIZE)
    {
        AcpiLogError (
            "Invalid table signature [%s]: must be exactly 4 characters\n",
            Signature);
        return (-1);
    }

    /* Table signatures are expected to be uppercase */

    strcpy (LocalSignature, Signature);
    AcpiUtStrupr (LocalSignature);

    /* To be friendly, handle tables whose signatures do not match the name */

    if (ACPI_COMPARE_NAME (LocalSignature, "FADT"))
    {
        strcpy (LocalSignature, ACPI_SIG_FADT);
    }
    else if (ACPI_COMPARE_NAME (LocalSignature, "MADT"))
    {
        strcpy (LocalSignature, ACPI_SIG_MADT);
    }

    /* Dump all instances of this signature (to handle multiple SSDTs) */

    for (Instance = 0; Instance < AP_MAX_ACPI_FILES; Instance++)
    {
        Status = AcpiOsGetTableByName (LocalSignature, Instance,
            &Table, &Address);
        if (ACPI_FAILURE (Status))
        {
            /* AE_LIMIT means that no more tables are available */

            if (Status == AE_LIMIT)
            {
                return (0);
            }

            AcpiLogError (
                "Could not get ACPI table with signature [%s], %s\n",
                LocalSignature, AcpiFormatException (Status));
            return (-1);
        }

        TableStatus = ApDumpTableBuffer (Table, Instance, Address);
        ACPI_FREE (Table);

        if (TableStatus)
        {
            break;
        }
    }

    /* Something seriously bad happened if the loop terminates here */

    return (-1);
}
Example #29
0
void
AcpiDbExecute (
    char                    *Name,
    char                    **Args,
    ACPI_OBJECT_TYPE        *Types,
    UINT32                  Flags)
{
    ACPI_STATUS             Status;
    ACPI_BUFFER             ReturnObj;
    char                    *NameString;


#ifdef ACPI_DEBUG_OUTPUT
    UINT32                  PreviousAllocations;
    UINT32                  Allocations;


    /* Memory allocation tracking */

    PreviousAllocations = AcpiDbGetOutstandingAllocations ();
#endif

    if (*Name == '*')
    {
        (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT,
                    ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL);
        return;
    }
    else
    {
        NameString = ACPI_ALLOCATE (ACPI_STRLEN (Name) + 1);
        if (!NameString)
        {
            return;
        }

        ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));

        ACPI_STRCPY (NameString, Name);
        AcpiUtStrupr (NameString);
        AcpiGbl_DbMethodInfo.Name = NameString;
        AcpiGbl_DbMethodInfo.Args = Args;
        AcpiGbl_DbMethodInfo.Types = Types;
        AcpiGbl_DbMethodInfo.Flags = Flags;

        ReturnObj.Pointer = NULL;
        ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

        AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);

        /* Get the NS node, determines existence also */

        Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
            &AcpiGbl_DbMethodInfo.Method);
        if (ACPI_SUCCESS (Status))
        {
            Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);
        }
        ACPI_FREE (NameString);
    }

    /*
     * Allow any handlers in separate threads to complete.
     * (Such as Notify handlers invoked from AML executed above).
     */
    AcpiOsSleep ((UINT64) 10);

#ifdef ACPI_DEBUG_OUTPUT

    /* Memory allocation tracking */

    Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);

    if (Allocations > 0)
    {
        AcpiOsPrintf ("0x%X Outstanding allocations after evaluation of %s\n",
                        Allocations, AcpiGbl_DbMethodInfo.Pathname);
    }
#endif

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Evaluation of %s failed with status %s\n",
            AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
    }
    else
    {
        /* Display a return object, if any */

        if (ReturnObj.Length)
        {
            AcpiOsPrintf (
                "Evaluation of %s returned object %p, external buffer length %X\n",
                AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,
                (UINT32) ReturnObj.Length);
            AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);

            /* Dump a _PLD buffer if present */

            if (ACPI_COMPARE_NAME ((ACPI_CAST_PTR (ACPI_NAMESPACE_NODE,
                    AcpiGbl_DbMethodInfo.Method)->Name.Ascii), METHOD_NAME__PLD))
            {
                AcpiDbDumpPldBuffer (ReturnObj.Pointer);
            }
        }
        else
        {
            AcpiOsPrintf ("No object was returned from evaluation of %s\n",
                AcpiGbl_DbMethodInfo.Pathname);
        }
    }

    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
}
Example #30
0
static ACPI_STATUS
AcpiDbReadFromObject (
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OBJECT_TYPE        ExpectedType,
    ACPI_OBJECT             **Value)
{
    ACPI_OBJECT             *RetValue;
    ACPI_OBJECT_LIST        ParamObjects;
    ACPI_OBJECT             Params[2];
    ACPI_BUFFER             ReturnObj;
    ACPI_STATUS             Status;


    Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
    Params[0].Reference.ActualType = Node->Type;
    Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);

    ParamObjects.Count = 1;
    ParamObjects.Pointer = Params;

    ReturnObj.Length  = ACPI_ALLOCATE_BUFFER;

    AcpiGbl_MethodExecuting = TRUE;
    Status = AcpiEvaluateObject (ReadHandle, NULL,
        &ParamObjects, &ReturnObj);
    AcpiGbl_MethodExecuting = FALSE;

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not read from object, %s",
            AcpiFormatException (Status));
        return (Status);
    }

    RetValue = (ACPI_OBJECT *) ReturnObj.Pointer;

    switch (RetValue->Type)
    {
    case ACPI_TYPE_INTEGER:
    case ACPI_TYPE_BUFFER:
    case ACPI_TYPE_STRING:
        /*
         * Did we receive the type we wanted? Most important for the
         * Integer/Buffer case (when a field is larger than an Integer,
         * it should return a Buffer).
         */
        if (RetValue->Type != ExpectedType)
        {
            AcpiOsPrintf (" Type mismatch:  Expected %s, Received %s",
                AcpiUtGetTypeName (ExpectedType),
                AcpiUtGetTypeName (RetValue->Type));

            return (AE_TYPE);
        }

        *Value = RetValue;
        break;

    default:

        AcpiOsPrintf (" Unsupported return object type, %s",
            AcpiUtGetTypeName (RetValue->Type));

        AcpiOsFree (ReturnObj.Pointer);
        return (AE_TYPE);
    }

    return (Status);
}