/// <summary>
/// Starts the device.
/// </summary>
/// <param name="pciDevice">The pci device.</param>
public static void StartDevice(IPCIDevice pciDevice)
{
DeviceDriver deviceDriver = deviceDriverRegistry.FindDriver(pciDevice);
if (deviceDriver == null)
{
pciDevice.SetNoDriverFound();
return;
}
IHardwareDevice hardwareDevice = System.Activator.CreateInstance(deviceDriver.DriverType) as IHardwareDevice;
int ioRegionCount = 0;
int memoryRegionCount = 0;
foreach (BaseAddress pciBaseAddress in pciDevice.BaseAddresses)
{
switch (pciBaseAddress.Region)
{
case AddressType.IO: ioRegionCount++; break;
case AddressType.Memory: memoryRegionCount++; break;
default: break;
}
}
foreach (DeviceDriverPhysicalMemoryAttribute memoryAttribute in deviceDriver.MemoryAttributes)
{
if (memoryAttribute.MemorySize > 0)
{
memoryRegionCount++;
}
}
IIOPortRegion[] ioPortRegions = new IIOPortRegion[ioRegionCount];
IMemoryRegion[] memoryRegions = new IMemoryRegion[memoryRegionCount];
int ioRegionIndex = 0;
int memoryRegionIndex = 0;
foreach (BaseAddress pciBaseAddress in pciDevice.BaseAddresses)
{
switch (pciBaseAddress.Region)
{
case AddressType.IO: ioPortRegions[ioRegionIndex++] = new IOPortRegion((ushort)pciBaseAddress.Address, (ushort)pciBaseAddress.Size); break;
case AddressType.Memory: memoryRegions[memoryRegionIndex++] = new MemoryRegion(pciBaseAddress.Address, pciBaseAddress.Size); break;
default: break;
}
}
foreach (DeviceDriverPhysicalMemoryAttribute memoryAttribute in deviceDriver.MemoryAttributes)
{
if (memoryAttribute.MemorySize > 0)
{
IMemory memory = Mosa.DeviceSystem.HAL.AllocateMemory(memoryAttribute.MemorySize, memoryAttribute.MemoryAlignment);
memoryRegions[memoryRegionIndex++] = new MemoryRegion(memory.Address, memory.Size);
}
}
HardwareResources hardwareResources = new HardwareResources(resourceManager, ioPortRegions, memoryRegions, new InterruptHandler(resourceManager.InterruptManager, pciDevice.IRQ, hardwareDevice), pciDevice as IDeviceResource);
if (resourceManager.ClaimResources(hardwareResources))
{
hardwareResources.EnableIRQ();
if (hardwareDevice.Start() == DeviceDriverStartStatus.Started)
pciDevice.SetDeviceOnline();
else
{
hardwareResources.DisableIRQ();
resourceManager.ReleaseResources(hardwareResources);
}
}
}
/// <summary>
/// Starts the device.
/// </summary>
/// <param name="deviceDriver">The device driver.</param>
public static void StartDevice(ISADeviceDriverAttribute driverAtttribute, IHardwareDevice hardwareDevice)
{
int ioRegionCount = 1;
int memoryRegionCount = 0;
if (driverAtttribute.AltBasePort != 0x00)
{
ioRegionCount++;
}
if (driverAtttribute.BaseAddress != 0x00)
memoryRegionCount++;
IIOPortRegion[] ioPortRegions = new IIOPortRegion[ioRegionCount];
IMemoryRegion[] memoryRegions = new IMemoryRegion[memoryRegionCount];
ioPortRegions[0] = new IOPortRegion(driverAtttribute.BasePort, driverAtttribute.PortRange);
if (driverAtttribute.AltBasePort != 0x00)
{
ioPortRegions[1] = new IOPortRegion(driverAtttribute.AltBasePort, driverAtttribute.AltPortRange);
}
if (driverAtttribute.BaseAddress != 0x00)
{
memoryRegions[0] = new MemoryRegion(driverAtttribute.BaseAddress, driverAtttribute.AddressRange);
}
IHardwareResources hardwareResources = new HardwareResources(resourceManager, ioPortRegions, memoryRegions, new InterruptHandler(resourceManager.InterruptManager, driverAtttribute.IRQ, hardwareDevice));
hardwareDevice.Setup(hardwareResources);
Mosa.Kernel.x86.Screen.NextLine();
Mosa.CoolWorld.x86.Boot.BulletPoint();
Console.Write("Adding device ");
Boot.InBrackets(hardwareDevice.Name, Colors.White, Colors.LightGreen);
Console.WriteLine();
if (resourceManager.ClaimResources(hardwareResources))
{
hardwareResources.EnableIRQ();
if (hardwareDevice.Start() == DeviceDriverStartStatus.Started)
{
deviceManager.Add(hardwareDevice);
}
else
{
hardwareResources.DisableIRQ();
resourceManager.ReleaseResources(hardwareResources);
}
}
}