Exemple #1
0
ACPI_STATUS
AdGetLocalTables (
    void)
{
    ACPI_STATUS             Status;
    ACPI_TABLE_HEADER       TableHeader;
    ACPI_TABLE_HEADER       *NewTable;
    UINT32                  TableIndex;


    /* Get the DSDT via table override */

    ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT);
    AcpiOsTableOverride (&TableHeader, &NewTable);
    if (!NewTable)
    {
        fprintf (stderr, "Could not obtain DSDT\n");
        return (AE_NO_ACPI_TABLES);
    }

    AdWriteTable (NewTable, NewTable->Length,
        ACPI_SIG_DSDT, NewTable->OemTableId);

    /* Store DSDT in the Table Manager */

    Status = AdStoreTable (NewTable, &TableIndex);
    if (ACPI_FAILURE (Status))
    {
        fprintf (stderr, "Could not store DSDT\n");
        return (AE_NO_ACPI_TABLES);
    }

    return (AE_OK);
}
Exemple #2
0
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 (AmlStart);
    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 = AdStoreTable (Table, &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);
}