/// <summary>
/// Starts the device.
/// </summary>
/// <param name="deviceDriver">The device driver.</param>
static public void StartDevice(Mosa.DeviceSystem.DeviceDriver deviceDriver)
{
var driverAtttribute = deviceDriver.Attribute as ISADeviceDriverAttribute;
// Don't load the VGAText and PIC drivers
if (/*driverAtttribute.BasePort == 0x03B0 || */ driverAtttribute.BasePort == 0x20)
{
return;
}
if (driverAtttribute.AutoLoad)
{
var hardwareDevice = System.Activator.CreateInstance(deviceDriver.DriverType) as IHardwareDevice;
var ioPortRegions = new LinkedList <IIOPortRegion>();
var memoryRegions = new LinkedList <IMemoryRegion>();
ioPortRegions.AddLast(new IOPortRegion(driverAtttribute.BasePort, driverAtttribute.PortRange));
if (driverAtttribute.AltBasePort != 0x00)
{
ioPortRegions.AddLast(new IOPortRegion(driverAtttribute.AltBasePort, driverAtttribute.AltPortRange));
}
if (driverAtttribute.BaseAddress != 0x00)
{
memoryRegions.AddLast(new MemoryRegion(driverAtttribute.BaseAddress, driverAtttribute.AddressRange));
}
foreach (var memoryAttribute in deviceDriver.MemoryAttributes)
{
if (memoryAttribute.MemorySize > 0)
{
IMemory memory = Mosa.DeviceSystem.HAL.AllocateMemory(memoryAttribute.MemorySize, memoryAttribute.MemoryAlignment);
memoryRegions.AddLast(new MemoryRegion(memory.Address, memory.Size));
}
}
var hardwareResources = new HardwareResources(resourceManager, ioPortRegions.ToArray(), memoryRegions.ToArray(), new InterruptHandler(resourceManager.InterruptManager, driverAtttribute.IRQ, hardwareDevice));
if (resourceManager.ClaimResources(hardwareResources))
{
hardwareResources.EnableIRQ();
hardwareDevice.Setup(hardwareResources);
if (hardwareDevice.Start() == DeviceDriverStartStatus.Started)
{
deviceManager.Add(hardwareDevice);
}
else
{
hardwareResources.DisableIRQ();
resourceManager.ReleaseResources(hardwareResources);
}
}
}
}
private static void StartDevice(IPCIDevice pciDevice, Mosa.DeviceSystem.DeviceDriver deviceDriver, IHardwareDevice hardwareDevice)
{
var ioPortRegions = new LinkedList <IIOPortRegion>();
var memoryRegions = new LinkedList <IMemoryRegion>();
foreach (var pciBaseAddress in pciDevice.BaseAddresses)
{
switch (pciBaseAddress.Region)
{
case AddressType.IO: ioPortRegions.AddLast(new IOPortRegion((ushort)pciBaseAddress.Address, (ushort)pciBaseAddress.Size)); break;
case AddressType.Memory: memoryRegions.AddLast(new MemoryRegion(pciBaseAddress.Address, pciBaseAddress.Size)); break;
default: break;
}
}
foreach (var memoryAttribute in deviceDriver.MemoryAttributes)
{
if (memoryAttribute.MemorySize > 0)
{
var memory = Mosa.DeviceSystem.HAL.AllocateMemory(memoryAttribute.MemorySize, memoryAttribute.MemoryAlignment);
memoryRegions.AddLast(new MemoryRegion(memory.Address, memory.Size));
}
}
var hardwareResources = new HardwareResources(resourceManager, ioPortRegions.ToArray(), memoryRegions.ToArray(), new InterruptHandler(resourceManager.InterruptManager, pciDevice.IRQ, hardwareDevice), pciDevice as IDeviceResource);
if (resourceManager.ClaimResources(hardwareResources))
{
hardwareResources.EnableIRQ();
hardwareDevice.Setup(hardwareResources);
if (hardwareDevice.Start() == DeviceDriverStartStatus.Started)
{
pciDevice.SetDeviceOnline();
}
else
{
hardwareResources.DisableIRQ();
resourceManager.ReleaseResources(hardwareResources);
}
}
}