示例#1
0
ACPI_STATUS
AcpiExSystemResetEvent (
    ACPI_OPERAND_OBJECT     *ObjDesc)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_SEMAPHORE          TempSemaphore;


    ACPI_FUNCTION_ENTRY ();


    /*
     * We are going to simply delete the existing semaphore and
     * create a new one!
     */
    Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0, &TempSemaphore);
    if (ACPI_SUCCESS (Status))
    {
        (void) AcpiOsDeleteSemaphore (ObjDesc->Event.OsSemaphore);
        ObjDesc->Event.OsSemaphore = TempSemaphore;
    }

    return (Status);
}
示例#2
0
static acpi_status
acpi_ds_init_one_object(acpi_handle obj_handle,
			u32 level, void *context, void **return_value)
{
	struct acpi_init_walk_info *info =
	    (struct acpi_init_walk_info *)context;
	struct acpi_namespace_node *node =
	    (struct acpi_namespace_node *)obj_handle;
	acpi_status status;
	union acpi_operand_object *obj_desc;

	ACPI_FUNCTION_ENTRY();

	/*
	 * We are only interested in NS nodes owned by the table that
	 * was just loaded
	 */
	if (node->owner_id != info->owner_id) {
		return (AE_OK);
	}

	info->object_count++;

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

	switch (acpi_ns_get_type(obj_handle)) {
	case ACPI_TYPE_REGION:

		status = acpi_ds_initialize_region(obj_handle);
		if (ACPI_FAILURE(status)) {
			ACPI_EXCEPTION((AE_INFO, status,
					"During Region initialization %p [%4.4s]",
					obj_handle,
					acpi_ut_get_node_name(obj_handle)));
		}

		info->op_region_count++;
		break;

	case ACPI_TYPE_METHOD:
		/*
		 * Auto-serialization support. We will examine each method that is
		 * not_serialized to determine if it creates any Named objects. If
		 * it does, it will be marked serialized to prevent problems if
		 * the method is entered by two or more threads and an attempt is
		 * made to create the same named object twice -- which results in
		 * an AE_ALREADY_EXISTS exception and method abort.
		 */
		info->method_count++;
		obj_desc = acpi_ns_get_attached_object(node);
		if (!obj_desc) {
			break;
		}

		/* Ignore if already serialized */

		if (obj_desc->method.info_flags & ACPI_METHOD_SERIALIZED) {
			info->serial_method_count++;
			break;
		}

		if (acpi_gbl_auto_serialize_methods) {

			/* Parse/scan method and serialize it if necessary */

			acpi_ds_auto_serialize_method(node, obj_desc);
			if (obj_desc->method.
			    info_flags & ACPI_METHOD_SERIALIZED) {

				/* Method was just converted to Serialized */

				info->serial_method_count++;
				info->serialized_method_count++;
				break;
			}
		}

		info->non_serial_method_count++;
		break;

	case ACPI_TYPE_DEVICE:

		info->device_count++;
		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);
}
示例#3
0
acpi_integer
acpi_ex_do_math_op (
	u16                             opcode,
	acpi_integer                    operand0,
	acpi_integer                    operand1)
{

	ACPI_FUNCTION_ENTRY ();


	switch (opcode) {
	case AML_ADD_OP:                /* Add (Operand0, Operand1, Result) */

		return (operand0 + operand1);


	case AML_BIT_AND_OP:            /* And (Operand0, Operand1, Result) */

		return (operand0 & operand1);


	case AML_BIT_NAND_OP:           /* NAnd (Operand0, Operand1, Result) */

		return (~(operand0 & operand1));


	case AML_BIT_OR_OP:             /* Or (Operand0, Operand1, Result) */

		return (operand0 | operand1);


	case AML_BIT_NOR_OP:            /* NOr (Operand0, Operand1, Result) */

		return (~(operand0 | operand1));


	case AML_BIT_XOR_OP:            /* XOr (Operand0, Operand1, Result) */

		return (operand0 ^ operand1);


	case AML_MULTIPLY_OP:           /* Multiply (Operand0, Operand1, Result) */

		return (operand0 * operand1);


	case AML_SHIFT_LEFT_OP:         /* shift_left (Operand, shift_count, Result) */

		return (operand0 << operand1);


	case AML_SHIFT_RIGHT_OP:        /* shift_right (Operand, shift_count, Result) */

		return (operand0 >> operand1);


	case AML_SUBTRACT_OP:           /* Subtract (Operand0, Operand1, Result) */

		return (operand0 - operand1);

	default:

		return (0);
	}
}
ACPI_STATUS
AeInstallEarlyHandlers (
    void)
{
    ACPI_STATUS             Status;
    UINT32                  i;
    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);
        AE_CHECK_OK (AcpiInstallNotifyHandler, Status);

        Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY,
            AeNotifyHandler1);
        AE_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);
        AE_CHECK_OK (AcpiAttachData, Status);

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

        /* Test attach data at the root object */

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

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

        /* Test support for multiple attaches */

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

        Status = AcpiAttachData (Handle, AeAttachedDataHandler2, Handle);
        AE_CHECK_OK (AcpiAttachData, Status);
    }
    else
    {
示例#5
0
static UINT32
AcpiExConvertToAscii (
    UINT64                  Integer,
    UINT16                  Base,
    UINT8                   *String,
    UINT8                   DataWidth)
{
    UINT64                  Digit;
    UINT32                  i;
    UINT32                  j;
    UINT32                  k = 0;
    UINT32                  HexLength;
    UINT32                  DecimalLength;
    UINT32                  Remainder;
    BOOLEAN                 SupressZeros;


    ACPI_FUNCTION_ENTRY ();


    switch (Base)
    {
    case 10:

        /* Setup max length for the decimal number */

        switch (DataWidth)
        {
        case 1:

            DecimalLength = ACPI_MAX8_DECIMAL_DIGITS;
            break;

        case 4:

            DecimalLength = ACPI_MAX32_DECIMAL_DIGITS;
            break;

        case 8:
        default:

            DecimalLength = ACPI_MAX64_DECIMAL_DIGITS;
            break;
        }

        SupressZeros = TRUE;     /* No leading zeros */
        Remainder = 0;

        for (i = DecimalLength; i > 0; i--)
        {
            /* Divide by nth factor of 10 */

            Digit = Integer;
            for (j = 0; j < i; j++)
            {
                (void) AcpiUtShortDivide (Digit, 10, &Digit, &Remainder);
            }

            /* Handle leading zeros */

            if (Remainder != 0)
            {
                SupressZeros = FALSE;
            }

            if (!SupressZeros)
            {
                String[k] = (UINT8) (ACPI_ASCII_ZERO + Remainder);
                k++;
            }
        }
        break;

    case 16:

        /* HexLength: 2 ascii hex chars per data byte */

        HexLength = ACPI_MUL_2 (DataWidth);
        for (i = 0, j = (HexLength-1); i < HexLength; i++, j--)
        {
            /* Get one hex digit, most significant digits first */

            String[k] = (UINT8) AcpiUtHexToAsciiChar (Integer, ACPI_MUL_4 (j));
            k++;
        }
        break;

    default:
        return (0);
    }

    /*
     * Since leading zeros are suppressed, we must check for the case where
     * the integer equals 0
     *
     * Finally, null terminate the string and return the length
     */
    if (!k)
    {
        String [0] = ACPI_ASCII_ZERO;
        k = 1;
    }

    String [k] = 0;
    return ((UINT32) k);
}
示例#6
0
ACPI_STATUS
AcpiDbSecondPassParse (
    ACPI_PARSE_OBJECT       *Root)
{
    ACPI_PARSE_OBJECT       *Op = Root;
    ACPI_PARSE_OBJECT       *Method;
    ACPI_PARSE_OBJECT       *SearchOp;
    ACPI_PARSE_OBJECT       *StartOp;
    ACPI_STATUS             Status = AE_OK;
    UINT32                  BaseAmlOffset;
    ACPI_WALK_STATE         *WalkState;


    ACPI_FUNCTION_ENTRY ();


    AcpiOsPrintf ("Pass two parse ....\n");

    while (Op)
    {
        if (Op->Common.AmlOpcode == AML_METHOD_OP)
        {
            Method = Op;

            /* Create a new walk state for the parse */

            WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
            if (!WalkState)
            {
                return (AE_NO_MEMORY);
            }

            /* Init the Walk State */

            WalkState->ParserState.Aml          =
            WalkState->ParserState.AmlStart     = Method->Named.Data;
            WalkState->ParserState.AmlEnd       =
            WalkState->ParserState.PkgEnd       = Method->Named.Data +
                                                  Method->Named.Length;
            WalkState->ParserState.StartScope   = Op;

            WalkState->DescendingCallback       = AcpiDsLoad1BeginOp;
            WalkState->AscendingCallback        = AcpiDsLoad1EndOp;

            /* Perform the AML parse */

            Status = AcpiPsParseAml (WalkState);

            BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
            StartOp = (Method->Common.Value.Arg)->Common.Next;
            SearchOp = StartOp;

            while (SearchOp)
            {
                SearchOp->Common.AmlOffset += BaseAmlOffset;
                SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
            }
        }

        if (Op->Common.AmlOpcode == AML_REGION_OP)
        {
            /* TBD: [Investigate] this isn't quite the right thing to do! */
            /*
             *
             * Method = (ACPI_DEFERRED_OP *) Op;
             * Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
             */
        }

        if (ACPI_FAILURE (Status))
        {
            break;
        }

        Op = AcpiPsGetDepthNext (Root, Op);
    }

    return (Status);
}
示例#7
0
ACPI_STATUS
AcpiDmParseDeferredOps (
    ACPI_PARSE_OBJECT       *Root)
{
    const ACPI_OPCODE_INFO  *OpInfo;
    ACPI_PARSE_OBJECT       *Op = Root;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_ENTRY ();


    /* Traverse the entire parse tree */

    while (Op)
    {
        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
        if (!(OpInfo->Flags & AML_DEFER))
        {
            Op = AcpiPsGetDepthNext (Root, Op);
            continue;
        }

        /* Now we know we have a deferred opcode */

        switch (Op->Common.AmlOpcode)
        {
        case AML_METHOD_OP:
        case AML_BUFFER_OP:
        case AML_PACKAGE_OP:
        case AML_VAR_PACKAGE_OP:

            Status = AcpiDmDeferredParse (Op, Op->Named.Data, Op->Named.Length);
            if (ACPI_FAILURE (Status))
            {
                return (Status);
            }
            break;

        /* We don't need to do anything for these deferred opcodes */

        case AML_REGION_OP:
        case AML_DATA_REGION_OP:
        case AML_CREATE_QWORD_FIELD_OP:
        case AML_CREATE_DWORD_FIELD_OP:
        case AML_CREATE_WORD_FIELD_OP:
        case AML_CREATE_BYTE_FIELD_OP:
        case AML_CREATE_BIT_FIELD_OP:
        case AML_CREATE_FIELD_OP:
        case AML_BANK_FIELD_OP:

            break;

        default:

            ACPI_ERROR ((AE_INFO, "Unhandled deferred AML opcode [0x%.4X]",
                 Op->Common.AmlOpcode));
            break;
        }

        Op = AcpiPsGetDepthNext (Root, Op);
    }

    return (AE_OK);
}
static u32
acpi_ex_convert_to_ascii(acpi_integer integer,
			 u16 base, u8 * string, u8 data_width)
{
	acpi_integer digit;
	acpi_native_uint i;
	acpi_native_uint j;
	acpi_native_uint k = 0;
	acpi_native_uint hex_length;
	acpi_native_uint decimal_length;
	u32 remainder;
	u8 supress_zeros;

	ACPI_FUNCTION_ENTRY();

	switch (base) {
	case 10:

		/* Setup max length for the decimal number */

		switch (data_width) {
		case 1:
			decimal_length = ACPI_MAX8_DECIMAL_DIGITS;
			break;

		case 4:
			decimal_length = ACPI_MAX32_DECIMAL_DIGITS;
			break;

		case 8:
		default:
			decimal_length = ACPI_MAX64_DECIMAL_DIGITS;
			break;
		}

		supress_zeros = TRUE;	/* No leading zeros */
		remainder = 0;

		for (i = decimal_length; i > 0; i--) {

			/* Divide by nth factor of 10 */

			digit = integer;
			for (j = 0; j < i; j++) {
				(void)acpi_ut_short_divide(digit, 10, &digit,
							   &remainder);
			}

			/* Handle leading zeros */

			if (remainder != 0) {
				supress_zeros = FALSE;
			}

			if (!supress_zeros) {
				string[k] = (u8) (ACPI_ASCII_ZERO + remainder);
				k++;
			}
		}
		break;

	case 16:

		/* hex_length: 2 ascii hex chars per data byte */

		hex_length = (acpi_native_uint) ACPI_MUL_2(data_width);
		for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) {

			/* Get one hex digit, most significant digits first */

			string[k] =
			    (u8) acpi_ut_hex_to_ascii_char(integer,
							   ACPI_MUL_4(j));
			k++;
		}
		break;

	default:
		return (0);
	}

	/*
	 * Since leading zeros are supressed, we must check for the case where
	 * the integer equals 0
	 *
	 * Finally, null terminate the string and return the length
	 */
	if (!k) {
		string[0] = ACPI_ASCII_ZERO;
		k = 1;
	}

	string[k] = 0;
	return ((u32) k);
}
示例#9
0
static ACPI_STATUS
AcpiUtCopyIelementToEelement (
    UINT8                   ObjectType,
    ACPI_OPERAND_OBJECT     *SourceObject,
    ACPI_GENERIC_STATE      *State,
    void                    *Context)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_PKG_INFO           *Info = (ACPI_PKG_INFO *) Context;
    ACPI_SIZE               ObjectSpace;
    UINT32                  ThisIndex;
    ACPI_OBJECT             *TargetObject;


    ACPI_FUNCTION_ENTRY ();


    ThisIndex    = State->Pkg.Index;
    TargetObject = (ACPI_OBJECT *)
                   &((ACPI_OBJECT *)(State->Pkg.DestObject))->Package.Elements[ThisIndex];

    switch (ObjectType)
    {
    case ACPI_COPY_TYPE_SIMPLE:

        /*
         * This is a simple or null object
         */
        Status = AcpiUtCopyIsimpleToEsimple (SourceObject,
                                             TargetObject, Info->FreeSpace, &ObjectSpace);
        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }
        break;


    case ACPI_COPY_TYPE_PACKAGE:

        /*
         * Build the package object
         */
        TargetObject->Type              = ACPI_TYPE_PACKAGE;
        TargetObject->Package.Count     = SourceObject->Package.Count;
        TargetObject->Package.Elements  =
            ACPI_CAST_PTR (ACPI_OBJECT, Info->FreeSpace);

        /*
         * Pass the new package object back to the package walk routine
         */
        State->Pkg.ThisTargetObj = TargetObject;

        /*
         * Save space for the array of objects (Package elements)
         * update the buffer length counter
         */
        ObjectSpace = ACPI_ROUND_UP_TO_NATIVE_WORD (
                          (ACPI_SIZE) TargetObject->Package.Count *
                          sizeof (ACPI_OBJECT));
        break;


    default:
        return (AE_BAD_PARAMETER);
    }

    Info->FreeSpace   += ObjectSpace;
    Info->Length      += ObjectSpace;
    return (Status);
}
示例#10
0
文件: hwgpe.c 项目: Strongc/reactos
ACPI_STATUS
AcpiHwGetGpeStatus (
    ACPI_GPE_EVENT_INFO     *GpeEventInfo,
    ACPI_EVENT_STATUS       *EventStatus)
{
    UINT32                  InByte;
    UINT32                  RegisterBit;
    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
    ACPI_EVENT_STATUS       LocalEventStatus = 0;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_ENTRY ();


    if (!EventStatus)
    {
        return (AE_BAD_PARAMETER);
    }

    /* GPE currently handled? */

    if (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) !=
            ACPI_GPE_DISPATCH_NONE)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_HAS_HANDLER;
    }

    /* Get the info block for the entire GPE register */

    GpeRegisterInfo = GpeEventInfo->RegisterInfo;

    /* Get the register bitmask for this GPE */

    RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo);

    /* GPE currently enabled? (enabled for runtime?) */

    if (RegisterBit & GpeRegisterInfo->EnableForRun)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_ENABLED;
    }

    /* GPE enabled for wake? */

    if (RegisterBit & GpeRegisterInfo->EnableForWake)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_WAKE_ENABLED;
    }

    /* GPE currently enabled (enable bit == 1)? */

    Status = AcpiHwRead (&InByte, &GpeRegisterInfo->EnableAddress);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    if (RegisterBit & InByte)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_ENABLE_SET;
    }

    /* GPE currently active (status bit == 1)? */

    Status = AcpiHwRead (&InByte, &GpeRegisterInfo->StatusAddress);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    if (RegisterBit & InByte)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_STATUS_SET;
    }

    /* Set return value */

    (*EventStatus) = LocalEventStatus;
    return (AE_OK);
}
示例#11
0
static ACPI_STATUS
AcpiDsInitOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_INIT_WALK_INFO     *Info = (ACPI_INIT_WALK_INFO *) Context;
    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
    ACPI_STATUS             Status;
    ACPI_OPERAND_OBJECT     *ObjDesc;


    ACPI_FUNCTION_ENTRY ();


    /*
     * We are only interested in NS nodes owned by the table that
     * was just loaded
     */
    if (Node->OwnerId != Info->OwnerId)
    {
        return (AE_OK);
    }

    Info->ObjectCount++;

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

    switch (AcpiNsGetType (ObjHandle))
    {
    case ACPI_TYPE_REGION:

        Status = AcpiDsInitializeRegion (ObjHandle);
        if (ACPI_FAILURE (Status))
        {
            ACPI_EXCEPTION ((AE_INFO, Status,
                "During Region initialization %p [%4.4s]",
                ObjHandle, AcpiUtGetNodeName (ObjHandle)));
        }

        Info->OpRegionCount++;
        break;

    case ACPI_TYPE_METHOD:
        /*
         * Auto-serialization support. We will examine each method that is
         * NotSerialized to determine if it creates any Named objects. If
         * it does, it will be marked serialized to prevent problems if
         * the method is entered by two or more threads and an attempt is
         * made to create the same named object twice -- which results in
         * an AE_ALREADY_EXISTS exception and method abort.
         */
        Info->MethodCount++;
        ObjDesc = AcpiNsGetAttachedObject (Node);
        if (!ObjDesc)
        {
            break;
        }

        /* Ignore if already serialized */

        if (ObjDesc->Method.InfoFlags & ACPI_METHOD_SERIALIZED)
        {
            Info->SerialMethodCount++;
            break;
        }

        if (AcpiGbl_AutoSerializeMethods)
        {
            /* Parse/scan method and serialize it if necessary */

            AcpiDsAutoSerializeMethod (Node, ObjDesc);
            if (ObjDesc->Method.InfoFlags & ACPI_METHOD_SERIALIZED)
            {
                /* Method was just converted to Serialized */

                Info->SerialMethodCount++;
                Info->SerializedMethodCount++;
                break;
            }
        }

        Info->NonSerialMethodCount++;
        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);
}
示例#12
0
ACPI_STATUS
AcpiGetHandle (
    ACPI_HANDLE             Parent,
    ACPI_STRING             Pathname,
    ACPI_HANDLE             *RetHandle)
{
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *Node = NULL;
    ACPI_NAMESPACE_NODE     *PrefixNode = NULL;


    ACPI_FUNCTION_ENTRY ();


    /* Parameter Validation */

    if (!RetHandle || !Pathname)
    {
        return (AE_BAD_PARAMETER);
    }

    /* Convert a parent handle to a prefix node */

    if (Parent)
    {
        PrefixNode = AcpiNsMapHandleToNode (Parent);
        if (!PrefixNode)
        {
            return (AE_BAD_PARAMETER);
        }
    }

    /*
     * Valid cases are:
     * 1) Fully qualified pathname
     * 2) Parent + Relative pathname
     *
     * Error for <null Parent + relative path>
     */
    if (AcpiNsValidRootPrefix (Pathname[0]))
    {
        /* Pathname is fully qualified (starts with '\') */

        /* Special case for root-only, since we can't search for it */

        if (!ACPI_STRCMP (Pathname, ACPI_NS_ROOT_PATH))
        {
            *RetHandle = AcpiNsConvertEntryToHandle (AcpiGbl_RootNode);
            return (AE_OK);
        }
    }
    else if (!PrefixNode)
    {
        /* Relative path with null prefix is disallowed */

        return (AE_BAD_PARAMETER);
    }

    /* Find the Node and convert to a handle */

    Status = AcpiNsGetNode (PrefixNode, Pathname, ACPI_NS_NO_UPSEARCH, &Node);
    if (ACPI_SUCCESS (Status))
    {
        *RetHandle = AcpiNsConvertEntryToHandle (Node);
    }

    return (Status);
}
示例#13
0
文件: pstree.c 项目: CSRedRat/reactos
ACPI_PARSE_OBJECT *
AcpiPsGetDepthNext (
    ACPI_PARSE_OBJECT       *Origin,
    ACPI_PARSE_OBJECT       *Op)
{
    ACPI_PARSE_OBJECT       *Next = NULL;
    ACPI_PARSE_OBJECT       *Parent;
    ACPI_PARSE_OBJECT       *Arg;


    ACPI_FUNCTION_ENTRY ();


    if (!Op)
    {
        return (NULL);
    }

    /* Look for an argument or child */

    Next = AcpiPsGetArg (Op, 0);
    if (Next)
    {
        return (Next);
    }

    /* Look for a sibling */

    Next = Op->Common.Next;
    if (Next)
    {
        return (Next);
    }

    /* Look for a sibling of parent */

    Parent = Op->Common.Parent;

    while (Parent)
    {
        Arg = AcpiPsGetArg (Parent, 0);
        while (Arg && (Arg != Origin) && (Arg != Op))
        {
            Arg = Arg->Common.Next;
        }

        if (Arg == Origin)
        {
            /* Reached parent of origin, end search */

            return (NULL);
        }

        if (Parent->Common.Next)
        {
            /* Found sibling of parent */

            return (Parent->Common.Next);
        }

        Op = Parent;
        Parent = Parent->Common.Parent;
    }

    return (Next);
}
示例#14
0
文件: pstree.c 项目: CSRedRat/reactos
void
AcpiPsAppendArg (
    ACPI_PARSE_OBJECT       *Op,
    ACPI_PARSE_OBJECT       *Arg)
{
    ACPI_PARSE_OBJECT       *PrevArg;
    const ACPI_OPCODE_INFO  *OpInfo;


    ACPI_FUNCTION_ENTRY ();


    if (!Op)
    {
        return;
    }

    /* Get the info structure for this opcode */

    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
    if (OpInfo->Class == AML_CLASS_UNKNOWN)
    {
        /* Invalid opcode */

        ACPI_ERROR ((AE_INFO, "Invalid AML Opcode: 0x%2.2X",
            Op->Common.AmlOpcode));
        return;
    }

    /* Check if this opcode requires argument sub-objects */

    if (!(OpInfo->Flags & AML_HAS_ARGS))
    {
        /* Has no linked argument objects */

        return;
    }

    /* Append the argument to the linked argument list */

    if (Op->Common.Value.Arg)
    {
        /* Append to existing argument list */

        PrevArg = Op->Common.Value.Arg;
        while (PrevArg->Common.Next)
        {
            PrevArg = PrevArg->Common.Next;
        }
        PrevArg->Common.Next = Arg;
    }
    else
    {
        /* No argument list, this will be the first argument */

        Op->Common.Value.Arg = Arg;
    }

    /* Set the parent in this arg and any args linked after it */

    while (Arg)
    {
        Arg->Common.Parent = Op;
        Arg = Arg->Common.Next;

        Op->Common.ArgListLength++;
    }
}
示例#15
0
ACPI_STATUS
AcpiHwGetGpeStatus (
    ACPI_GPE_EVENT_INFO     *GpeEventInfo,
    ACPI_EVENT_STATUS       *EventStatus)
{
    UINT32                  InByte;
    UINT8                   RegisterBit;
    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
    ACPI_STATUS             Status;
    ACPI_EVENT_STATUS       LocalEventStatus = 0;


    ACPI_FUNCTION_ENTRY ();


    if (!EventStatus)
    {
        return (AE_BAD_PARAMETER);
    }

    /* Get the info block for the entire GPE register */

    GpeRegisterInfo = GpeEventInfo->RegisterInfo;

    /* Get the register bitmask for this GPE */

    RegisterBit = (UINT8) (1 <<
        (GpeEventInfo->GpeNumber - GpeEventInfo->RegisterInfo->BaseGpeNumber));

    /* GPE currently enabled? (enabled for runtime?) */

    if (RegisterBit & GpeRegisterInfo->EnableForRun)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_ENABLED;
    }

    /* GPE enabled for wake? */

    if (RegisterBit & GpeRegisterInfo->EnableForWake)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_WAKE_ENABLED;
    }

    /* GPE currently active (status bit == 1)? */

    Status = AcpiRead (&InByte, &GpeRegisterInfo->StatusAddress);
    if (ACPI_FAILURE (Status))
    {
        goto UnlockAndExit;
    }

    if (RegisterBit & InByte)
    {
        LocalEventStatus |= ACPI_EVENT_FLAG_SET;
    }

    /* Set return value */

    (*EventStatus) = LocalEventStatus;


UnlockAndExit:
    return (Status);
}
示例#16
0
文件: exmisc.c 项目: ryo/netbsd-src
UINT64
AcpiExDoMathOp (
    UINT16                  Opcode,
    UINT64                  Integer0,
    UINT64                  Integer1)
{

    ACPI_FUNCTION_ENTRY ();


    switch (Opcode)
    {
    case AML_ADD_OP:                /* Add (Integer0, Integer1, Result) */

        return (Integer0 + Integer1);

    case AML_BIT_AND_OP:            /* And (Integer0, Integer1, Result) */

        return (Integer0 & Integer1);

    case AML_BIT_NAND_OP:           /* NAnd (Integer0, Integer1, Result) */

        return (~(Integer0 & Integer1));

    case AML_BIT_OR_OP:             /* Or (Integer0, Integer1, Result) */

        return (Integer0 | Integer1);

    case AML_BIT_NOR_OP:            /* NOr (Integer0, Integer1, Result) */

        return (~(Integer0 | Integer1));

    case AML_BIT_XOR_OP:            /* XOr (Integer0, Integer1, Result) */

        return (Integer0 ^ Integer1);

    case AML_MULTIPLY_OP:           /* Multiply (Integer0, Integer1, Result) */

        return (Integer0 * Integer1);

    case AML_SHIFT_LEFT_OP:         /* ShiftLeft (Operand, ShiftCount, Result)*/

        /*
         * We need to check if the shiftcount is larger than the integer bit
         * width since the behavior of this is not well-defined in the C language.
         */
        if (Integer1 >= AcpiGbl_IntegerBitWidth)
        {
            return (0);
        }
        return (Integer0 << Integer1);

    case AML_SHIFT_RIGHT_OP:        /* ShiftRight (Operand, ShiftCount, Result) */

        /*
         * We need to check if the shiftcount is larger than the integer bit
         * width since the behavior of this is not well-defined in the C language.
         */
        if (Integer1 >= AcpiGbl_IntegerBitWidth)
        {
            return (0);
        }
        return (Integer0 >> Integer1);

    case AML_SUBTRACT_OP:           /* Subtract (Integer0, Integer1, Result) */

        return (Integer0 - Integer1);

    default:

        return (0);
    }
}
示例#17
0
ACPI_STATUS
AcpiHwLowSetGpe (
    ACPI_GPE_EVENT_INFO     *GpeEventInfo,
    UINT32                  Action)
{
    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
    ACPI_STATUS             Status;
    UINT32                  EnableMask;
    UINT32                  RegisterBit;


    ACPI_FUNCTION_ENTRY ();


    /* Get the info block for the entire GPE register */

    GpeRegisterInfo = GpeEventInfo->RegisterInfo;
    if (!GpeRegisterInfo)
    {
        return (AE_NOT_EXIST);
    }

    /* Get current value of the enable register that contains this GPE */

    Status = AcpiHwRead (&EnableMask, &GpeRegisterInfo->EnableAddress);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    /* Set or clear just the bit that corresponds to this GPE */

    RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo);
    switch (Action)
    {
    case ACPI_GPE_CONDITIONAL_ENABLE:

        /* Only enable if the EnableForRun bit is set */

        if (!(RegisterBit & GpeRegisterInfo->EnableForRun))
        {
            return (AE_BAD_PARAMETER);
        }

        /*lint -fallthrough */

    case ACPI_GPE_ENABLE:
        ACPI_SET_BIT (EnableMask, RegisterBit);
        break;

    case ACPI_GPE_DISABLE:
        ACPI_CLEAR_BIT (EnableMask, RegisterBit);
        break;

    default:
        ACPI_ERROR ((AE_INFO, "Invalid GPE Action, %u\n", Action));
        return (AE_BAD_PARAMETER);
    }

    /* Write the updated enable mask */

    Status = AcpiHwWrite (EnableMask, &GpeRegisterInfo->EnableAddress);
    return (Status);
}
示例#18
0
static ACPI_STATUS
AcpiUtCopyIelementToIelement (
    UINT8                   ObjectType,
    ACPI_OPERAND_OBJECT     *SourceObject,
    ACPI_GENERIC_STATE      *State,
    void                    *Context)
{
    ACPI_STATUS             Status = AE_OK;
    UINT32                  ThisIndex;
    ACPI_OPERAND_OBJECT     **ThisTargetPtr;
    ACPI_OPERAND_OBJECT     *TargetObject;


    ACPI_FUNCTION_ENTRY ();


    ThisIndex     = State->Pkg.Index;
    ThisTargetPtr = (ACPI_OPERAND_OBJECT **)
                    &State->Pkg.DestObject->Package.Elements[ThisIndex];

    switch (ObjectType)
    {
    case ACPI_COPY_TYPE_SIMPLE:

        /* A null source object indicates a (legal) null package element */

        if (SourceObject)
        {
            /*
             * This is a simple object, just copy it
             */
            TargetObject = AcpiUtCreateInternalObject (
                               SourceObject->Common.Type);
            if (!TargetObject)
            {
                return (AE_NO_MEMORY);
            }

            Status = AcpiUtCopySimpleObject (SourceObject, TargetObject);
            if (ACPI_FAILURE (Status))
            {
                goto ErrorExit;
            }

            *ThisTargetPtr = TargetObject;
        }
        else
        {
            /* Pass through a null element */

            *ThisTargetPtr = NULL;
        }
        break;


    case ACPI_COPY_TYPE_PACKAGE:

        /*
         * This object is a package - go down another nesting level
         * Create and build the package object
         */
        TargetObject = AcpiUtCreatePackageObject (SourceObject->Package.Count);
        if (!TargetObject)
        {
            return (AE_NO_MEMORY);
        }

        TargetObject->Common.Flags = SourceObject->Common.Flags;

        /* Pass the new package object back to the package walk routine */

        State->Pkg.ThisTargetObj = TargetObject;

        /* Store the object pointer in the parent package object */

        *ThisTargetPtr = TargetObject;
        break;


    default:
        return (AE_BAD_PARAMETER);
    }

    return (Status);

ErrorExit:
    AcpiUtRemoveReference (TargetObject);
    return (Status);
}
示例#19
0
文件: nsutils.c 项目: ariscop/reactos
void
AcpiNsGetInternalNameLength (
    ACPI_NAMESTRING_INFO    *Info)
{
    const char              *NextExternalChar;
    UINT32                  i;


    ACPI_FUNCTION_ENTRY ();


    NextExternalChar = Info->ExternalName;
    Info->NumCarats = 0;
    Info->NumSegments = 0;
    Info->FullyQualified = FALSE;

    /*
     * For the internal name, the required length is 4 bytes per segment,
     * plus 1 each for RootPrefix, MultiNamePrefixOp, segment count,
     * trailing null (which is not really needed, but no there's harm in
     * putting it there)
     *
     * strlen() + 1 covers the first NameSeg, which has no path separator
     */
    if (ACPI_IS_ROOT_PREFIX (*NextExternalChar))
    {
        Info->FullyQualified = TRUE;
        NextExternalChar++;

        /* Skip redundant RootPrefix, like \\_SB.PCI0.SBRG.EC0 */

        while (ACPI_IS_ROOT_PREFIX (*NextExternalChar))
        {
            NextExternalChar++;
        }
    }
    else
    {
        /* Handle Carat prefixes */

        while (ACPI_IS_PARENT_PREFIX (*NextExternalChar))
        {
            Info->NumCarats++;
            NextExternalChar++;
        }
    }

    /*
     * Determine the number of ACPI name "segments" by counting the number of
     * path separators within the string. Start with one segment since the
     * segment count is [(# separators) + 1], and zero separators is ok.
     */
    if (*NextExternalChar)
    {
        Info->NumSegments = 1;
        for (i = 0; NextExternalChar[i]; i++)
        {
            if (ACPI_IS_PATH_SEPARATOR (NextExternalChar[i]))
            {
                Info->NumSegments++;
            }
        }
    }

    Info->Length = (ACPI_NAME_SIZE * Info->NumSegments) +
        4 + Info->NumCarats;

    Info->NextExternalChar = NextExternalChar;
}
示例#20
0
static ACPI_STATUS
AcpiDsInitOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_INIT_WALK_INFO     *Info = (ACPI_INIT_WALK_INFO *) Context;
    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
    ACPI_OBJECT_TYPE        Type;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_ENTRY ();


    /*
     * We are only interested in NS nodes owned by the table that
     * was just loaded
     */
    if (Node->OwnerId != Info->OwnerId)
    {
        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_EXCEPTION ((AE_INFO, Status,
                "During Region initialization %p [%4.4s]",
                ObjHandle, AcpiUtGetNodeName (ObjHandle)));
        }

        Info->OpRegionCount++;
        break;


    case ACPI_TYPE_METHOD:

        Info->MethodCount++;
        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);
}
示例#21
0
const char *
AcpiUtValidateException (
    ACPI_STATUS             Status)
{
    UINT32                  SubStatus;
    const char              *Exception = NULL;


    ACPI_FUNCTION_ENTRY ();


    /*
     * Status is composed of two parts, a "type" and an actual code
     */
    SubStatus = (Status & ~AE_CODE_MASK);

    switch (Status & AE_CODE_MASK)
    {
    case AE_CODE_ENVIRONMENTAL:

        if (SubStatus <= AE_CODE_ENV_MAX)
        {
            Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
        }
        break;

    case AE_CODE_PROGRAMMER:

        if (SubStatus <= AE_CODE_PGM_MAX)
        {
            Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus];
        }
        break;

    case AE_CODE_ACPI_TABLES:

        if (SubStatus <= AE_CODE_TBL_MAX)
        {
            Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus];
        }
        break;

    case AE_CODE_AML:

        if (SubStatus <= AE_CODE_AML_MAX)
        {
            Exception = AcpiGbl_ExceptionNames_Aml [SubStatus];
        }
        break;

    case AE_CODE_CONTROL:

        if (SubStatus <= AE_CODE_CTRL_MAX)
        {
            Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus];
        }
        break;

    default:
        break;
    }

    return (ACPI_CAST_PTR (const char, Exception));
}
示例#22
0
acpi_integer
acpi_ex_do_math_op (
	u16                             opcode,
	acpi_integer                    integer0,
	acpi_integer                    integer1)
{

	ACPI_FUNCTION_ENTRY ();


	switch (opcode) {
	case AML_ADD_OP:                /* Add (Integer0, Integer1, Result) */

		return (integer0 + integer1);


	case AML_BIT_AND_OP:            /* And (Integer0, Integer1, Result) */

		return (integer0 & integer1);


	case AML_BIT_NAND_OP:           /* NAnd (Integer0, Integer1, Result) */

		return (~(integer0 & integer1));


	case AML_BIT_OR_OP:             /* Or (Integer0, Integer1, Result) */

		return (integer0 | integer1);


	case AML_BIT_NOR_OP:            /* NOr (Integer0, Integer1, Result) */

		return (~(integer0 | integer1));


	case AML_BIT_XOR_OP:            /* XOr (Integer0, Integer1, Result) */

		return (integer0 ^ integer1);


	case AML_MULTIPLY_OP:           /* Multiply (Integer0, Integer1, Result) */

		return (integer0 * integer1);


	case AML_SHIFT_LEFT_OP:         /* shift_left (Operand, shift_count, Result) */

		return (integer0 << integer1);


	case AML_SHIFT_RIGHT_OP:        /* shift_right (Operand, shift_count, Result) */

		return (integer0 >> integer1);


	case AML_SUBTRACT_OP:           /* Subtract (Integer0, Integer1, Result) */

		return (integer0 - integer1);

	default:

		return (0);
	}
}
示例#23
0
文件: rsutils.c 项目: rodero95/sys
void
AcpiRsMoveData (
    void                    *Destination,
    void                    *Source,
    UINT16                  ItemCount,
    UINT8                   MoveType)
{
    UINT32                  i;


    ACPI_FUNCTION_ENTRY ();


    /* One move per item */

    for (i = 0; i < ItemCount; i++)
    {
        switch (MoveType)
        {
        /*
         * For the 8-bit case, we can perform the move all at once
         * since there are no alignment or endian issues
         */
        case ACPI_RSC_MOVE8:
        case ACPI_RSC_MOVE_GPIO_RES:
        case ACPI_RSC_MOVE_SERIAL_VEN:
        case ACPI_RSC_MOVE_SERIAL_RES:

            ACPI_MEMCPY (Destination, Source, ItemCount);
            return;

        /*
         * 16-, 32-, and 64-bit cases must use the move macros that perform
         * endian conversion and/or accommodate hardware that cannot perform
         * misaligned memory transfers
         */
        case ACPI_RSC_MOVE16:
        case ACPI_RSC_MOVE_GPIO_PIN:

            ACPI_MOVE_16_TO_16 (&ACPI_CAST_PTR (UINT16, Destination)[i],
                                &ACPI_CAST_PTR (UINT16, Source)[i]);
            break;

        case ACPI_RSC_MOVE32:
            
            ACPI_MOVE_32_TO_32 (&ACPI_CAST_PTR (UINT32, Destination)[i],
                                &ACPI_CAST_PTR (UINT32, Source)[i]);
            break;

        case ACPI_RSC_MOVE64:

            ACPI_MOVE_64_TO_64 (&ACPI_CAST_PTR (UINT64, Destination)[i],
                                &ACPI_CAST_PTR (UINT64, Source)[i]);
            break;

        default:

            return;
        }
    }
}
示例#24
0
acpi_status
acpi_ut_copy_ielement_to_eelement (
	u8                              object_type,
	union acpi_operand_object       *source_object,
	union acpi_generic_state        *state,
	void                            *context)
{
	acpi_status                     status = AE_OK;
	struct acpi_pkg_info            *info = (struct acpi_pkg_info *) context;
	acpi_size                       object_space;
	u32                             this_index;
	union acpi_object               *target_object;


	ACPI_FUNCTION_ENTRY ();


	this_index   = state->pkg.index;
	target_object = (union acpi_object *)
			  &((union acpi_object *)(state->pkg.dest_object))->package.elements[this_index];

	switch (object_type) {
	case ACPI_COPY_TYPE_SIMPLE:

		/*
		 * This is a simple or null object
		 */
		status = acpi_ut_copy_isimple_to_esimple (source_object,
				  target_object, info->free_space, &object_space);
		if (ACPI_FAILURE (status)) {
			return (status);
		}
		break;


	case ACPI_COPY_TYPE_PACKAGE:

		/*
		 * Build the package object
		 */
		target_object->type             = ACPI_TYPE_PACKAGE;
		target_object->package.count    = source_object->package.count;
		target_object->package.elements = ACPI_CAST_PTR (union acpi_object, info->free_space);

		/*
		 * Pass the new package object back to the package walk routine
		 */
		state->pkg.this_target_obj = target_object;

		/*
		 * Save space for the array of objects (Package elements)
		 * update the buffer length counter
		 */
		object_space = ACPI_ROUND_UP_TO_NATIVE_WORD (
				   (acpi_size) target_object->package.count * sizeof (union acpi_object));
		break;


	default:
		return (AE_BAD_PARAMETER);
	}

	info->free_space  += object_space;
	info->length      += object_space;
	return (status);
}
示例#25
0
static acpi_status
acpi_ds_init_one_object(acpi_handle obj_handle,
			u32 level, void *context, void **return_value)
{
	struct acpi_init_walk_info *info =
	    (struct acpi_init_walk_info *)context;
	struct acpi_namespace_node *node =
	    (struct acpi_namespace_node *)obj_handle;
	acpi_object_type type;
	acpi_status status;

	ACPI_FUNCTION_ENTRY();

	/*
	 * We are only interested in NS nodes owned by the table that
	 * was just loaded
	 */
	if (node->owner_id != info->owner_id) {
		return (AE_OK);
	}

	info->object_count++;

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

	type = acpi_ns_get_type(obj_handle);

	switch (type) {
	case ACPI_TYPE_REGION:

		status = acpi_ds_initialize_region(obj_handle);
		if (ACPI_FAILURE(status)) {
			ACPI_EXCEPTION((AE_INFO, status,
					"During Region initialization %p [%4.4s]",
					obj_handle,
					acpi_ut_get_node_name(obj_handle)));
		}

		info->op_region_count++;
		break;

	case ACPI_TYPE_METHOD:

		info->method_count++;
		break;

	case ACPI_TYPE_DEVICE:

		info->device_count++;
		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);
}
示例#26
0
acpi_status
acpi_ut_copy_ielement_to_ielement (
	u8                              object_type,
	union acpi_operand_object       *source_object,
	union acpi_generic_state        *state,
	void                            *context)
{
	acpi_status                     status = AE_OK;
	u32                             this_index;
	union acpi_operand_object       **this_target_ptr;
	union acpi_operand_object       *target_object;


	ACPI_FUNCTION_ENTRY ();


	this_index    = state->pkg.index;
	this_target_ptr = (union acpi_operand_object **)
			   &state->pkg.dest_object->package.elements[this_index];

	switch (object_type) {
	case ACPI_COPY_TYPE_SIMPLE:

		/* A null source object indicates a (legal) null package element */

		if (source_object) {
			/*
			 * This is a simple object, just copy it
			 */
			target_object = acpi_ut_create_internal_object (
					   ACPI_GET_OBJECT_TYPE (source_object));
			if (!target_object) {
				return (AE_NO_MEMORY);
			}

			status = acpi_ut_copy_simple_object (source_object, target_object);
			if (ACPI_FAILURE (status)) {
				goto error_exit;
			}

			*this_target_ptr = target_object;
		}
		else {
			/* Pass through a null element */

			*this_target_ptr = NULL;
		}
		break;


	case ACPI_COPY_TYPE_PACKAGE:

		/*
		 * This object is a package - go down another nesting level
		 * Create and build the package object
		 */
		target_object = acpi_ut_create_internal_object (ACPI_TYPE_PACKAGE);
		if (!target_object) {
			return (AE_NO_MEMORY);
		}

		target_object->package.count = source_object->package.count;
		target_object->common.flags = source_object->common.flags;

		/*
		 * Create the object array
		 */
		target_object->package.elements =
			ACPI_MEM_CALLOCATE (((acpi_size) source_object->package.count + 1) *
					 sizeof (void *));
		if (!target_object->package.elements) {
			status = AE_NO_MEMORY;
			goto error_exit;
		}

		/*
		 * Pass the new package object back to the package walk routine
		 */
		state->pkg.this_target_obj = target_object;

		/*
		 * Store the object pointer in the parent package object
		 */
		*this_target_ptr = target_object;
		break;


	default:
		return (AE_BAD_PARAMETER);
	}

	return (status);

error_exit:
	acpi_ut_remove_reference (target_object);
	return (status);
}
示例#27
0
acpi_status
acpi_ex_do_concatenate (
	union acpi_operand_object       *obj_desc1,
	union acpi_operand_object       *obj_desc2,
	union acpi_operand_object       **actual_return_desc,
	struct acpi_walk_state          *walk_state)
{
	acpi_status                     status;
	u32                             i;
	acpi_integer                    this_integer;
	union acpi_operand_object       *return_desc;
	char                            *new_buf;


	ACPI_FUNCTION_ENTRY ();


	/*
	 * There are three cases to handle:
	 *
	 * 1) Two Integers concatenated to produce a new Buffer
	 * 2) Two Strings concatenated to produce a new String
	 * 3) Two Buffers concatenated to produce a new Buffer
	 */
	switch (ACPI_GET_OBJECT_TYPE (obj_desc1)) {
	case ACPI_TYPE_INTEGER:

		/* Result of two Integers is a Buffer */
		/* Need enough buffer space for two integers */

		return_desc = acpi_ut_create_buffer_object (acpi_gbl_integer_byte_width * 2);
		if (!return_desc) {
			return (AE_NO_MEMORY);
		}

		new_buf = (char *) return_desc->buffer.pointer;

		/* Convert the first integer */

		this_integer = obj_desc1->integer.value;
		for (i = 0; i < acpi_gbl_integer_byte_width; i++) {
			new_buf[i] = (char) this_integer;
			this_integer >>= 8;
		}

		/* Convert the second integer */

		this_integer = obj_desc2->integer.value;
		for (; i < (ACPI_MUL_2 (acpi_gbl_integer_byte_width)); i++) {
			new_buf[i] = (char) this_integer;
			this_integer >>= 8;
		}

		break;


	case ACPI_TYPE_STRING:

		/* Result of two Strings is a String */

		return_desc = acpi_ut_create_internal_object (ACPI_TYPE_STRING);
		if (!return_desc) {
			return (AE_NO_MEMORY);
		}

		/* Operand0 is string  */

		new_buf = ACPI_MEM_CALLOCATE ((acpi_size) obj_desc1->string.length +
				   (acpi_size) obj_desc2->string.length + 1);
		if (!new_buf) {
			ACPI_REPORT_ERROR
				(("ex_do_concatenate: String allocation failure\n"));
			status = AE_NO_MEMORY;
			goto cleanup;
		}

		/* Concatenate the strings */

		ACPI_STRCPY (new_buf, obj_desc1->string.pointer);
		ACPI_STRCPY (new_buf + obj_desc1->string.length,
				  obj_desc2->string.pointer);

		/* Complete the String object initialization */

		return_desc->string.pointer = new_buf;
		return_desc->string.length = obj_desc1->string.length +
				   obj_desc2->string.length;
		break;


	case ACPI_TYPE_BUFFER:

		/* Result of two Buffers is a Buffer */

		return_desc = acpi_ut_create_buffer_object (
				   (acpi_size) obj_desc1->buffer.length +
				   (acpi_size) obj_desc2->buffer.length);
		if (!return_desc) {
			return (AE_NO_MEMORY);
		}

		new_buf = (char *) return_desc->buffer.pointer;

		/* Concatenate the buffers */

		ACPI_MEMCPY (new_buf, obj_desc1->buffer.pointer,
				  obj_desc1->buffer.length);
		ACPI_MEMCPY (new_buf + obj_desc1->buffer.length, obj_desc2->buffer.pointer,
				   obj_desc2->buffer.length);

		break;


	default:

		/* Invalid object type, should not happen here */

		ACPI_REPORT_ERROR (("Concat - invalid obj type: %X\n",
				ACPI_GET_OBJECT_TYPE (obj_desc1)));
		status = AE_AML_INTERNAL;
		return_desc = NULL;
	}

	*actual_return_desc = return_desc;
	return (AE_OK);


cleanup:

	acpi_ut_remove_reference (return_desc);
	return (status);
}
示例#28
0
ACPI_STATUS
AcpiDbSingleStep (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  OpcodeClass)
{
    ACPI_PARSE_OBJECT       *Next;
    ACPI_STATUS             Status = AE_OK;
    UINT32                  OriginalDebugLevel;
    ACPI_PARSE_OBJECT       *DisplayOp;
    ACPI_PARSE_OBJECT       *ParentOp;


    ACPI_FUNCTION_ENTRY ();


    /* Check the abort flag */

    if (AcpiGbl_AbortMethod)
    {
        AcpiGbl_AbortMethod = FALSE;
        return (AE_ABORT_METHOD);
    }

    /* Check for single-step breakpoint */

    if (WalkState->MethodBreakpoint &&
            (WalkState->MethodBreakpoint <= Op->Common.AmlOffset))
    {
        /* Check if the breakpoint has been reached or passed */
        /* Hit the breakpoint, resume single step, reset breakpoint */

        AcpiOsPrintf ("***Break*** at AML offset %X\n", Op->Common.AmlOffset);
        AcpiGbl_CmSingleStep = TRUE;
        AcpiGbl_StepToNextCall = FALSE;
        WalkState->MethodBreakpoint = 0;
    }

    /* Check for user breakpoint (Must be on exact Aml offset) */

    else if (WalkState->UserBreakpoint &&
             (WalkState->UserBreakpoint == Op->Common.AmlOffset))
    {
        AcpiOsPrintf ("***UserBreakpoint*** at AML offset %X\n",
                      Op->Common.AmlOffset);
        AcpiGbl_CmSingleStep = TRUE;
        AcpiGbl_StepToNextCall = FALSE;
        WalkState->MethodBreakpoint = 0;
    }

    /*
     * Check if this is an opcode that we are interested in --
     * namely, opcodes that have arguments
     */
    if (Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
    {
        return (AE_OK);
    }

    switch (OpcodeClass)
    {
    case AML_CLASS_UNKNOWN:
    case AML_CLASS_ARGUMENT:    /* constants, literals, etc.  do nothing */
        return (AE_OK);

    default:
        /* All other opcodes -- continue */
        break;
    }

    /*
     * Under certain debug conditions, display this opcode and its operands
     */
    if ((AcpiGbl_DbOutputToFile)            ||
            (AcpiGbl_CmSingleStep)              ||
            (AcpiDbgLevel & ACPI_LV_PARSE))
    {
        if ((AcpiGbl_DbOutputToFile)        ||
                (AcpiDbgLevel & ACPI_LV_PARSE))
        {
            AcpiOsPrintf ("\n[AmlDebug] Next AML Opcode to execute:\n");
        }

        /*
         * Display this op (and only this op - zero out the NEXT field
         * temporarily, and disable parser trace output for the duration of
         * the display because we don't want the extraneous debug output)
         */
        OriginalDebugLevel = AcpiDbgLevel;
        AcpiDbgLevel &= ~(ACPI_LV_PARSE | ACPI_LV_FUNCTIONS);
        Next = Op->Common.Next;
        Op->Common.Next = NULL;


        DisplayOp = Op;
        ParentOp = Op->Common.Parent;
        if (ParentOp)
        {
            if ((WalkState->ControlState) &&
                    (WalkState->ControlState->Common.State ==
                     ACPI_CONTROL_PREDICATE_EXECUTING))
            {
                /*
                 * We are executing the predicate of an IF or WHILE statement
                 * Search upwards for the containing IF or WHILE so that the
                 * entire predicate can be displayed.
                 */
                while (ParentOp)
                {
                    if ((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
                            (ParentOp->Common.AmlOpcode == AML_WHILE_OP))
                    {
                        DisplayOp = ParentOp;
                        break;
                    }
                    ParentOp = ParentOp->Common.Parent;
                }
            }
            else
            {
                while (ParentOp)
                {
                    if ((ParentOp->Common.AmlOpcode == AML_IF_OP)     ||
                            (ParentOp->Common.AmlOpcode == AML_ELSE_OP)   ||
                            (ParentOp->Common.AmlOpcode == AML_SCOPE_OP)  ||
                            (ParentOp->Common.AmlOpcode == AML_METHOD_OP) ||
                            (ParentOp->Common.AmlOpcode == AML_WHILE_OP))
                    {
                        break;
                    }
                    DisplayOp = ParentOp;
                    ParentOp = ParentOp->Common.Parent;
                }
            }
        }

        /* Now we can display it */

#ifdef ACPI_DISASSEMBLER
        AcpiDmDisassemble (WalkState, DisplayOp, ACPI_UINT32_MAX);
#endif

        if ((Op->Common.AmlOpcode == AML_IF_OP) ||
                (Op->Common.AmlOpcode == AML_WHILE_OP))
        {
            if (WalkState->ControlState->Common.Value)
            {
                AcpiOsPrintf ("Predicate = [True], IF block was executed\n");
            }
            else
            {
                AcpiOsPrintf ("Predicate = [False], Skipping IF block\n");
            }
        }
        else if (Op->Common.AmlOpcode == AML_ELSE_OP)
        {
            AcpiOsPrintf ("Predicate = [False], ELSE block was executed\n");
        }

        /* Restore everything */

        Op->Common.Next = Next;
        AcpiOsPrintf ("\n");
        if ((AcpiGbl_DbOutputToFile)        ||
                (AcpiDbgLevel & ACPI_LV_PARSE))
        {
            AcpiOsPrintf ("\n");
        }
        AcpiDbgLevel = OriginalDebugLevel;
    }

    /* If we are not single stepping, just continue executing the method */

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

    /*
     * If we are executing a step-to-call command,
     * Check if this is a method call.
     */
    if (AcpiGbl_StepToNextCall)
    {
        if (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP)
        {
            /* Not a method call, just keep executing */

            return (AE_OK);
        }

        /* Found a method call, stop executing */

        AcpiGbl_StepToNextCall = FALSE;
    }

    /*
     * If the next opcode is a method call, we will "step over" it
     * by default.
     */
    if (Op->Common.AmlOpcode == AML_INT_METHODCALL_OP)
    {
        /* Force no more single stepping while executing called method */

        AcpiGbl_CmSingleStep = FALSE;

        /*
         * Set the breakpoint on/before the call, it will stop execution
         * as soon as we return
         */
        WalkState->MethodBreakpoint = 1;  /* Must be non-zero! */
    }


    Status = AcpiDbStartCommand (WalkState, Op);

    /* User commands complete, continue execution of the interrupted method */

    return (Status);
}
示例#29
0
u8
acpi_ex_do_logical_op (
	u16                             opcode,
	union acpi_operand_object       *obj_desc0,
	union acpi_operand_object       *obj_desc1)
{
	acpi_integer                    operand0;
	acpi_integer                    operand1;
	u8                              *ptr0;
	u8                              *ptr1;
	u32                             length0;
	u32                             length1;
	u32                             i;


	ACPI_FUNCTION_ENTRY ();


	if (ACPI_GET_OBJECT_TYPE (obj_desc0) == ACPI_TYPE_INTEGER) {
		/* Both operands are of type integer */

		operand0 = obj_desc0->integer.value;
		operand1 = obj_desc1->integer.value;

		switch (opcode) {
		case AML_LAND_OP:               /* LAnd (Operand0, Operand1) */

			if (operand0 && operand1) {
				return (TRUE);
			}
			break;

		case AML_LEQUAL_OP:             /* LEqual (Operand0, Operand1) */

			if (operand0 == operand1) {
				return (TRUE);
			}
			break;

		case AML_LGREATER_OP:           /* LGreater (Operand0, Operand1) */

			if (operand0 > operand1) {
				return (TRUE);
			}
			break;

		case AML_LLESS_OP:              /* LLess (Operand0, Operand1) */

			if (operand0 < operand1) {
				return (TRUE);
			}
			break;

		case AML_LOR_OP:                 /* LOr (Operand0, Operand1) */

			if (operand0 || operand1) {
				return (TRUE);
			}
			break;

		default:
			break;
		}
	}
	else {
		/*
		 * Case for Buffer/String objects.
		 * NOTE: takes advantage of common Buffer/String object fields
		 */
		length0 = obj_desc0->buffer.length;
		ptr0    = obj_desc0->buffer.pointer;

		length1 = obj_desc1->buffer.length;
		ptr1    = obj_desc1->buffer.pointer;

		switch (opcode) {
		case AML_LEQUAL_OP:             /* LEqual (Operand0, Operand1) */

			/* Length and all bytes must be equal */

			if (length0 != length1) {
				return (FALSE);
			}

			for (i = 0; i < length0; i++) {
				if (ptr0[i] != ptr1[i]) {
					return (FALSE);
				}
			}
			return (TRUE);

		case AML_LGREATER_OP:           /* LGreater (Operand0, Operand1) */

			/* Lexicographic compare:  Scan the 1-to-1 data */

			for (i = 0; (i < length0) && (i < length1); i++) {
				if (ptr0[i] > ptr1[i]) {
					return (TRUE);
				}
			}

			/* Bytes match, now check lengths */

			if (length0 > length1) {
				return (TRUE);
			}

			/* Length0 <= Length1 */

			return (FALSE);

		case AML_LLESS_OP:              /* LLess (Operand0, Operand1) */

			/* Lexicographic compare:  Scan the 1-to-1 data */

			for (i = 0; (i < length0) && (i < length1); i++) {
				if (ptr0[i] < ptr1[i]) {
					return (TRUE);
				}
			}

			/* Bytes match, now check lengths */

			if (length0 < length1) {
				return (TRUE);
			}

			/* Length0 >= Length1 */

			return (FALSE);

		default:
			break;
		}
	}

	return (FALSE);
}
示例#30
0
void
AcpiRsDumpResourceList (
    ACPI_RESOURCE           *ResourceList)
{
    UINT32                  Count = 0;
    UINT32                  Type;


    ACPI_FUNCTION_ENTRY ();


    /* Check if debug output enabled */

    if (!ACPI_IS_DEBUG_ENABLED (ACPI_LV_RESOURCES, _COMPONENT))
    {
        return;
    }

    /* Walk list and dump all resource descriptors (END_TAG terminates) */

    do
    {
        AcpiOsPrintf ("\n[%02X] ", Count);
        Count++;

        /* Validate Type before dispatch */

        Type = ResourceList->Type;
        if (Type > ACPI_RESOURCE_TYPE_MAX)
        {
            AcpiOsPrintf (
                "Invalid descriptor type (%X) in resource list\n",
                ResourceList->Type);
            return;
        }

        /* Sanity check the length. It must not be zero, or we loop forever */

        if (!ResourceList->Length)
        {
            AcpiOsPrintf (
                "Invalid zero length descriptor in resource list\n");
            return;
        }

        /* Dump the resource descriptor */

        if (Type == ACPI_RESOURCE_TYPE_SERIAL_BUS)
        {
            AcpiRsDumpDescriptor (&ResourceList->Data,
                AcpiGbl_DumpSerialBusDispatch[
                    ResourceList->Data.CommonSerialBus.Type]);
        }
        else
        {
            AcpiRsDumpDescriptor (&ResourceList->Data,
                AcpiGbl_DumpResourceDispatch[Type]);
        }

        /* Point to the next resource structure */

        ResourceList = ACPI_NEXT_RESOURCE (ResourceList);

        /* Exit when END_TAG descriptor is reached */

    } while (Type != ACPI_RESOURCE_TYPE_END_TAG);
}