Exemplo n.º 1
0
static ACPI_STATUS
AcpiDbExecuteSetup (
    ACPI_DB_METHOD_INFO     *Info)
{
    ACPI_STATUS             Status;


    ACPI_FUNCTION_NAME (DbExecuteSetup);


    /* Catenate the current scope to the supplied name */

    Info->Pathname[0] = 0;
    if ((Info->Name[0] != '\\') &&
        (Info->Name[0] != '/'))
    {
        if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname),
            AcpiGbl_DbScopeBuf))
        {
            Status = AE_BUFFER_OVERFLOW;
            goto ErrorExit;
        }
    }

    if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname),
        Info->Name))
    {
        Status = AE_BUFFER_OVERFLOW;
        goto ErrorExit;
    }

    AcpiDbPrepNamestring (Info->Pathname);

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
    AcpiOsPrintf ("Evaluating %s\n", Info->Pathname);

    if (Info->Flags & EX_SINGLE_STEP)
    {
        AcpiGbl_CmSingleStep = TRUE;
        AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
    }

    else
    {
        /* No single step, allow redirection to a file */

        AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
    }

    return (AE_OK);

ErrorExit:

    ACPI_EXCEPTION ((AE_INFO, Status, "During setup for method execution"));
    return (Status);
}
Exemplo n.º 2
0
ACPI_STATUS
AcpiOsGetTableByName (
    char                    *Signature,
    UINT32                  Instance,
    ACPI_TABLE_HEADER       **Table,
    ACPI_PHYSICAL_ADDRESS   *Address)
{
    HKEY                    Handle = NULL;
    LONG                    WinStatus;
    ULONG                   Type;
    ULONG                   NameSize;
    ULONG                   DataSize;
    HKEY                    SubKey;
    ULONG                   i;
    ACPI_TABLE_HEADER       *ReturnTable;
    ACPI_STATUS             Status = AE_OK;


    /*
     * Windows has no SSDTs in the registry, so multiple instances are
     * not supported.
     */
    if (Instance > 0)
    {
        return (AE_LIMIT);
    }

    /* Get a handle to the table key */

    while (1)
    {
        ACPI_STRCPY (KeyBuffer, "HARDWARE\\ACPI\\");
        if (AcpiUtSafeStrcat (KeyBuffer, sizeof (KeyBuffer), Signature))
        {
            return (AE_BUFFER_OVERFLOW);
        }

        WinStatus = RegOpenKeyEx (HKEY_LOCAL_MACHINE, KeyBuffer,
            0L, KEY_READ, &Handle);

        if (WinStatus != ERROR_SUCCESS)
        {
            /*
             * Somewhere along the way, MS changed the registry entry for
             * the FADT from
             * HARDWARE/ACPI/FACP  to
             * HARDWARE/ACPI/FADT.
             *
             * This code allows for both.
             */
            if (ACPI_COMPARE_NAME (Signature, "FACP"))
            {
                Signature = "FADT";
            }
            else if (ACPI_COMPARE_NAME (Signature, "XSDT"))
            {
                Signature = "RSDT";
            }
            else
            {
                fprintf (stderr,
                    "Could not find %s in registry at %s: %s (WinStatus=0x%X)\n",
                    Signature, KeyBuffer, WindowsFormatException (WinStatus), WinStatus);
                return (AE_NOT_FOUND);
            }
        }
        else
        {
            break;
        }
    }

    /* Actual data for the table is down a couple levels */

    for (i = 0; ;)
    {
        WinStatus = RegEnumKey (Handle, i, KeyBuffer, sizeof (KeyBuffer));
        i++;
        if (WinStatus == ERROR_NO_MORE_ITEMS)
        {
            break;
        }

        WinStatus = RegOpenKey (Handle, KeyBuffer, &SubKey);
        if (WinStatus != ERROR_SUCCESS)
        {
            fprintf (stderr, "Could not open %s entry: %s\n",
                Signature, WindowsFormatException (WinStatus));
            Status = AE_ERROR;
            goto Cleanup;
        }

        RegCloseKey (Handle);
        Handle = SubKey;
        i = 0;
    }

    /* Find the (binary) table entry */

    for (i = 0; ; i++)
    {
        NameSize = sizeof (KeyBuffer);
        WinStatus = RegEnumValue (Handle, i, KeyBuffer, &NameSize, NULL,
            &Type, NULL, 0);
        if (WinStatus != ERROR_SUCCESS)
        {
            fprintf (stderr, "Could not get %s registry entry: %s\n",
                Signature, WindowsFormatException (WinStatus));
            Status = AE_ERROR;
            goto Cleanup;
        }

        if (Type == REG_BINARY)
        {
            break;
        }
    }

    /* Get the size of the table */

    WinStatus = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL,
        NULL, &DataSize);
    if (WinStatus = ERROR_SUCCESS)
    {
        fprintf (stderr, "Could not read the %s table size: %s\n",
            Signature, WindowsFormatException (WinStatus));
        Status = AE_ERROR;
        goto Cleanup;
    }

    /* Allocate a new buffer for the table */

    ReturnTable = malloc (DataSize);
    if (!ReturnTable)
    {
        Status = AE_NO_MEMORY;
        goto Cleanup;
    }

    /* Get the actual table from the registry */

    WinStatus = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL,
        (UCHAR *) ReturnTable, &DataSize);
    if (WinStatus = ERROR_SUCCESS)
    {
        fprintf (stderr, "Could not read %s data: %s\n",
            Signature, WindowsFormatException (WinStatus));
        free (ReturnTable);
        Status = AE_ERROR;
        goto Cleanup;
    }

    *Table = ReturnTable;
    *Address = 0;

Cleanup:
    RegCloseKey (Handle);
    return (Status);
}
Exemplo n.º 3
0
void
AcpiDbSetScope (
    char                    *Name)
{
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *Node;


    if (!Name || Name[0] == 0)
    {
        AcpiOsPrintf ("Current scope: %s\n", AcpiGbl_DbScopeBuf);
        return;
    }

    AcpiDbPrepNamestring (Name);

    if (ACPI_IS_ROOT_PREFIX (Name[0]))
    {
        /* Validate new scope from the root */

        Status = AcpiNsGetNode (AcpiGbl_RootNode, Name, ACPI_NS_NO_UPSEARCH,
                    &Node);
        if (ACPI_FAILURE (Status))
        {
            goto ErrorExit;
        }

        AcpiGbl_DbScopeBuf[0] = 0;
    }
    else
    {
        /* Validate new scope relative to old scope */

        Status = AcpiNsGetNode (AcpiGbl_DbScopeNode, Name, ACPI_NS_NO_UPSEARCH,
                    &Node);
        if (ACPI_FAILURE (Status))
        {
            goto ErrorExit;
        }
    }

    /* Build the final pathname */

    if (AcpiUtSafeStrcat (AcpiGbl_DbScopeBuf, sizeof (AcpiGbl_DbScopeBuf),
        Name))
    {
        Status = AE_BUFFER_OVERFLOW;
        goto ErrorExit;
    }

    if (AcpiUtSafeStrcat (AcpiGbl_DbScopeBuf, sizeof (AcpiGbl_DbScopeBuf),
        "\\"))
    {
        Status = AE_BUFFER_OVERFLOW;
        goto ErrorExit;
    }

    AcpiGbl_DbScopeNode = Node;
    AcpiOsPrintf ("New scope: %s\n", AcpiGbl_DbScopeBuf);
    return;

ErrorExit:

    AcpiOsPrintf ("Could not attach scope: %s, %s\n",
        Name, AcpiFormatException (Status));
}
Exemplo n.º 4
0
ACPI_STATUS
AcpiOsGetTableByName (
    char                    *Signature,
    UINT32                  Instance,
    ACPI_TABLE_HEADER       **Table,
    ACPI_PHYSICAL_ADDRESS   *Address)
{
    HKEY                    Handle = NULL;
    LONG                    WinStatus;
    ULONG                   Type;
    ULONG                   NameSize;
    ULONG                   DataSize;
    HKEY                    SubKey;
    ULONG                   i;
    ACPI_TABLE_HEADER       *ReturnTable;
    ACPI_STATUS             Status = AE_OK;


    /* Multiple instances are only supported for SSDT tables. */

    if (Instance > 0 && !ACPI_COMPARE_NAME (Signature, ACPI_SIG_SSDT))
    {
        return (AE_LIMIT);
    }

    /* Get a handle to the table key */

    while (1)
    {
        strcpy (KeyBuffer, "HARDWARE\\ACPI\\");
        if (AcpiUtSafeStrcat (KeyBuffer, sizeof (KeyBuffer), Signature))
        {
            return (AE_BUFFER_OVERFLOW);
        }

        /*
         * Windows stores SSDT at SSDT, SSD1, ..., SSD9, SSDA, ..., SSDS, SSDT,
         * SSDU, ..., SSDY. If the first (0th) and the 29th tables have the same
         * OEM ID, Table ID and Revision, then the 29th entry will overwrite the
         * first entry... Let's hope that we do not have that many entries.
         */
        if (Instance > 0 && ACPI_COMPARE_NAME (Signature, ACPI_SIG_SSDT))
        {
            if (Instance < 10)
            {
                KeyBuffer[strlen (KeyBuffer) - 1] = '0' + (char) Instance;
            }
            else if (Instance < 29)
            {
                KeyBuffer[strlen (KeyBuffer) - 1] = 'A' + (char) (Instance - 10);
            }
            else
            {
                return (AE_LIMIT);
            }
        }

        WinStatus = RegOpenKeyEx (HKEY_LOCAL_MACHINE, KeyBuffer,
            0L, KEY_READ, &Handle);

        if (WinStatus != ERROR_SUCCESS)
        {
            /*
             * Somewhere along the way, MS changed the registry entry for
             * the FADT from
             * HARDWARE/ACPI/FACP  to
             * HARDWARE/ACPI/FADT.
             *
             * This code allows for both.
             */
            if (ACPI_COMPARE_NAME (Signature, "FACP"))
            {
                Signature = "FADT";
            }
            else if (ACPI_COMPARE_NAME (Signature, "XSDT"))
            {
                Signature = "RSDT";
            }
            else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_SSDT))
            {
                /* SSDT may not be present on older Windows versions, but it is
                 * also possible that the index is not found. */
                return (AE_NOT_FOUND);
            }
            else
            {
                fprintf (stderr,
                    "Could not find %s in registry at %s: %s (WinStatus=0x%X)\n",
                    Signature, KeyBuffer, WindowsFormatException (WinStatus), WinStatus);
                return (AE_NOT_FOUND);
            }
        }
        else
        {
            break;
        }
    }

    /* Actual data for the table is down a couple levels */

    for (i = 0; ;)
    {
        WinStatus = RegEnumKey (Handle, i, KeyBuffer, sizeof (KeyBuffer));
        i++;
        if (WinStatus == ERROR_NO_MORE_ITEMS)
        {
            break;
        }

        WinStatus = RegOpenKey (Handle, KeyBuffer, &SubKey);
        if (WinStatus != ERROR_SUCCESS)
        {
            fprintf (stderr, "Could not open %s entry: %s\n",
                Signature, WindowsFormatException (WinStatus));
            Status = AE_ERROR;
            goto Cleanup;
        }

        RegCloseKey (Handle);
        Handle = SubKey;
        i = 0;
    }

    /* Find the (binary) table entry */

    for (i = 0; ; i++)
    {
        NameSize = sizeof (KeyBuffer);
        WinStatus = RegEnumValue (Handle, i, KeyBuffer, &NameSize, NULL,
            &Type, NULL, 0);
        if (WinStatus != ERROR_SUCCESS)
        {
            fprintf (stderr, "Could not get %s registry entry: %s\n",
                Signature, WindowsFormatException (WinStatus));
            Status = AE_ERROR;
            goto Cleanup;
        }

        if (Type == REG_BINARY)
        {
            break;
        }
    }

    /* Get the size of the table */

    WinStatus = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL,
        NULL, &DataSize);
    if (WinStatus != ERROR_SUCCESS)
    {
        fprintf (stderr, "Could not read the %s table size: %s\n",
            Signature, WindowsFormatException (WinStatus));
        Status = AE_ERROR;
        goto Cleanup;
    }

    /* Allocate a new buffer for the table */

    ReturnTable = malloc (DataSize);
    if (!ReturnTable)
    {
        Status = AE_NO_MEMORY;
        goto Cleanup;
    }

    /* Get the actual table from the registry */

    WinStatus = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL,
        (UCHAR *) ReturnTable, &DataSize);
    if (WinStatus != ERROR_SUCCESS)
    {
        fprintf (stderr, "Could not read %s data: %s\n",
            Signature, WindowsFormatException (WinStatus));
        free (ReturnTable);
        Status = AE_ERROR;
        goto Cleanup;
    }

    *Table = ReturnTable;
    *Address = 0;

Cleanup:
    RegCloseKey (Handle);
    return (Status);
}