C++ (Cpp) AcpiDmParseDeferredOps Examples

Example #1

File: dbmethod.c Project: eyberg/rumpkernel-netbsd-src

ACPI_STATUS
AcpiDbDisassembleMethod (
    char                    *Name)
{
    ACPI_STATUS             Status;
    ACPI_PARSE_OBJECT       *Op;
    ACPI_WALK_STATE         *WalkState;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_NAMESPACE_NODE     *Method;


    Method = AcpiDbConvertToNode (Name);
    if (!Method)
    {
        return (AE_BAD_PARAMETER);
    }

    if (Method->Type != ACPI_TYPE_METHOD)
    {
        ACPI_ERROR ((AE_INFO, "%s (%s): Object must be a control method",
            Name, AcpiUtGetTypeName (Method->Type)));
        return (AE_BAD_PARAMETER);
    }

    ObjDesc = Method->Object;

    Op = AcpiPsCreateScopeOp ();
    if (!Op)
    {
        return (AE_NO_MEMORY);
    }

    /* Create and initialize a new walk state */

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

    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL,
        ObjDesc->Method.AmlStart,
        ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    Status = AcpiUtAllocateOwnerId (&ObjDesc->Method.OwnerId);
    WalkState->OwnerId = ObjDesc->Method.OwnerId;

    /* Push start scope on scope stack and make it current */

    Status = AcpiDsScopeStackPush (Method,
        Method->Type, WalkState);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    /* Parse the entire method AML including deferred operators */

    WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
    WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;

    Status = AcpiPsParseAml (WalkState);
    (void) AcpiDmParseDeferredOps (Op);

    /* Now we can disassemble the method */

    AcpiGbl_DbOpt_verbose = FALSE;
    AcpiDmDisassemble (NULL, Op, 0);
    AcpiGbl_DbOpt_verbose = TRUE;

    AcpiPsDeleteParseTree (Op);

    /* Method cleanup */

    AcpiNsDeleteNamespaceSubtree (Method);
    AcpiNsDeleteNamespaceByOwner (ObjDesc->Method.OwnerId);
    AcpiUtReleaseOwnerId (&ObjDesc->Method.OwnerId);
    return (AE_OK);
}

Example #2

ACPI_STATUS
AdParseTable (
    ACPI_TABLE_HEADER       *Table,
    ACPI_OWNER_ID           *OwnerId,
    BOOLEAN                 LoadTable,
    BOOLEAN                 External)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_WALK_STATE         *WalkState;
    UINT8                   *AmlStart;
    UINT32                  AmlLength;
    UINT32                  TableIndex;


    if (!Table)
    {
        return (AE_NOT_EXIST);
    }

    /* Pass 1:  Parse everything except control method bodies */

    fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature);

    AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER);
    AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER));

    /* Create the root object */

    AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp ();
    if (!AcpiGbl_ParseOpRoot)
    {
        return (AE_NO_MEMORY);
    }

    /* Create and initialize a new walk state */

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

    Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParseOpRoot,
                NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
    WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;

    Status = AcpiPsParseAml (WalkState);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    /* If LoadTable is FALSE, we are parsing the last loaded table */

    TableIndex = AcpiGbl_RootTableList.CurrentTableCount - 1;

    /* Pass 2 */

    if (LoadTable)
    {
        Status = AcpiTbStoreTable ((ACPI_PHYSICAL_ADDRESS) Table, Table,
                    Table->Length, ACPI_TABLE_ORIGIN_ALLOCATED, &TableIndex);
        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }
        Status = AcpiTbAllocateOwnerId (TableIndex);
        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }
        if (OwnerId)
        {
            Status = AcpiTbGetOwnerId (TableIndex, OwnerId);
            if (ACPI_FAILURE (Status))
            {
                return (Status);
            }
        }
    }

    fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature);

    Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, TableIndex, NULL);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    /* No need to parse control methods of external table */

    if (External)
    {
        return (AE_OK);
    }

    /* Pass 3: Parse control methods and link their parse trees into the main parse tree */

    fprintf (stderr, "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n");
    Status = AcpiDmParseDeferredOps (AcpiGbl_ParseOpRoot);
    fprintf (stderr, "\n");

    /* Process Resource Templates */

    AcpiDmFindResources (AcpiGbl_ParseOpRoot);

    fprintf (stderr, "Parsing completed\n");
    return (AE_OK);
}