コード例 #1
0
ファイル: RadeonCore.java プロジェクト: NanoGame/jnode
  /**
   * @param driver
   * @param architecture
   * @param model
   * @param device
   */
  public RadeonCore(RadeonDriver driver, int architecture, String model, PCIDevice device)
      throws ResourceNotFreeException, DriverException {
    this.driver = driver;
    this.fbinfo = new FBInfo(architecture);

    final PCIHeaderType0 pciCfg = device.getConfig().asHeaderType0();
    final PCIBaseAddress ioAddr = pciCfg.getBaseAddresses()[2];
    final PCIBaseAddress fbAddr = pciCfg.getBaseAddresses()[0];
    final PCIRomAddress romAddr = pciCfg.getRomAddress();
    log.info("Found ATI " + model + ", chipset 0x" + NumberUtils.hex(pciCfg.getRevision()));
    try {
      final ResourceManager rm = InitialNaming.lookup(ResourceManager.NAME);
      final int ioBase = (int) ioAddr.getMemoryBase();
      final int ioSize = ioAddr.getSize();
      final int fbBase = (int) fbAddr.getMemoryBase() /* & 0xFF800000 */;

      // Map Memory Mapped IO
      this.mmio =
          rm.claimMemoryResource(
              device, Address.fromIntZeroExtend(ioBase), ioSize, ResourceManager.MEMMODE_NORMAL);
      this.vgaIO = new RadeonVgaIO(mmio);
      final int memSize = readMemorySize();
      log.info("Memory size " + NumberUtils.toBinaryByte(memSize));
      this.accel = new RadeonAcceleration(vgaIO);

      // Map Device RAM
      this.deviceRam =
          rm.claimMemoryResource(
              device, Address.fromIntZeroExtend(fbBase), memSize, ResourceManager.MEMMODE_NORMAL);
      vgaIO.setVideoRam(deviceRam);

      // Find ROM
      MemoryResource rom = null;
      if (romAddr != null) {
        romAddr.setEnabled(true);
        if (romAddr.isEnabled()) {
          rom =
              rm.claimMemoryResource(
                  device,
                  Address.fromIntZeroExtend(romAddr.getRomBase()),
                  romAddr.getSize(),
                  ResourceManager.MEMMODE_NORMAL);
          if (!verifyBiosSignature(rom)) {
            log.info("Signature mismatch");
            rom.release();
            rom = null;
          }
        } else {
          log.debug("Failed to enabled expansion ROM");
        }
      }
      if (rom == null) {
        // Use the ISA regions rom instead
        rom = findRom(device, rm);
      }
      this.rom = rom;

      log.debug(
          "Found ATI "
              + model
              + ", FB at 0x"
              + NumberUtils.hex(fbBase)
              + "s0x"
              + NumberUtils.hex(memSize)
              + ", MMIO at 0x"
              + NumberUtils.hex(ioBase)
              + ", ROM "
              + pciCfg.getRomAddress());

      fbinfo.readMonitorInfo(vgaIO);
      if (this.rom != null) {
        log.info("ROM[0-3] 0x" + NumberUtils.hex(rom.getInt(0)));
        // Read monitor information
        fbinfo.readFPIInfo(rom);
      }

    } catch (NameNotFoundException ex) {
      throw new ResourceNotFreeException(ex);
    }

    // Read the current state of the device
    this.oldVgaState = new RadeonVgaState(architecture, fbinfo.hasCRTC2, vgaIO);
    this.currentState = new RadeonVgaState(architecture, fbinfo.hasCRTC2, vgaIO);

    // Claim the first 128K for VGA only
    deviceRam.claimChildResource(0, 128 * 1024, false);

    // Allocate the hardware cursor
    this.hwCursor = new RadeonHardwareCursor(this, vgaIO);
  }
コード例 #2
0
ファイル: RadeonCore.java プロジェクト: NanoGame/jnode
 /**
  * Claim a portion of RAM on the device.
  *
  * @param size
  * @param align
  * @return
  * @throws IndexOutOfBoundsException
  * @throws ResourceNotFreeException
  */
 final MemoryResource claimDeviceMemory(int size, int align)
     throws IndexOutOfBoundsException, ResourceNotFreeException {
   return deviceRam.claimChildResource(size, align);
 }