public override bool InitServer()
{
System.Diagnostics.Debugger.Log(0, "pciide", "PCI IDE driver started");
/* Get our ports and interrupt */
foreach (var r in root)
{
if (r.Name == "io" && (r.Value is tysos.x86_64.IOResource))
{
var io = r.Value as tysos.x86_64.IOResource;
if (cmd == null && io.Length64 >= 8)
{
cmd = io;
}
else
{
ctrl = io;
}
}
if (r.Name == "interrupt" && (r.Value is tysos.Resources.InterruptLine))
{
irq = r.Value as tysos.Resources.InterruptLine;
}
}
if (cmd == null || ctrl == null || irq == null)
{
System.Diagnostics.Debugger.Log(0, "ata", "Insufficient resources provided");
return(false);
}
Devices = new DeviceInfo[2];
/* Set control register to 0 - enable interrupts */
ctrl.Write(ctrl.Addr64, 1, 0);
/* Enter Init state */
s = State.Init;
drive = 0;
/* Register IRQ */
irq.RegisterHandler(new InterruptLine.InterruptHandler(IrqHandler));
/* Run handler for Init state (unless the IRQ has already done this
* for us) */
if (s == State.Init)
{
StateMachine((uint)ctrl.Read(ctrl.Addr64, 1), (uint)cmd.Read(cmd.Addr64 + ERROR, 1));
}
root.Add(new File.Property {
Name = "class", Value = "bus"
});
Tags.Add("class");
return(true);
}
public SharedInterruptLine(InterruptLine SharedLine)
{
shared_line = SharedLine;
}
public override bool InitServer()
{
System.Diagnostics.Debugger.Log(0, "pciide", "PCI IDE driver started");
pciconf = pci.PCIConfiguration.GetPCIConf(root);
if (pciconf == null)
{
System.Diagnostics.Debugger.Log(0, "pciide", "no PCI configuration provided");
return(false);
}
if (dt == DriverType.Unknown)
{
/* Get the type from PCI config space */
uint conf_8 = pciconf.ReadConfig(0x8);
uint progIF = (conf_8 >> 8) & 0xffU;
if ((progIF & 0x5) == 0x5)
{
dt = DriverType.PCINative;
}
else
{
dt = DriverType.Legacy;
}
}
/* Get IO port ranges */
var pri_cmd = pciconf.GetBAR(0);
var pri_ctrl = pciconf.GetBAR(1);
var sec_cmd = pciconf.GetBAR(2);
var sec_ctrl = pciconf.GetBAR(3);
/* Get IRQ ports */
tysos.Resources.InterruptLine pri_int = null, sec_int = null;
switch (dt)
{
case DriverType.Legacy:
foreach (var r in root)
{
if (r.Name == "interrupt" && (r.Value is tysos.Resources.InterruptLine))
{
var r_int = r.Value as tysos.Resources.InterruptLine;
if (r_int.ShortName == "IRQ14")
{
pri_int = r_int;
}
else if (r_int.ShortName == "IRQ15")
{
sec_int = r_int;
}
}
}
break;
case DriverType.PCINative:
foreach (var r in root)
{
if (r.Name == "interrupt" && (r.Value is tysos.Resources.InterruptLine))
{
var r_int = r.Value as tysos.Resources.InterruptLine;
if (r_int.ShortName.StartsWith("PCI"))
{
pri_int = r_int;
sec_int = r_int;
break;
}
}
}
break;
}
/* Create child devices */
if (pri_cmd.Length64 != 0 && pri_ctrl.Length64 != 0 && pri_int != null)
{
CreateChannel(0, pri_cmd, pri_ctrl, pri_int);
}
if (sec_cmd.Length64 != 0 && sec_ctrl.Length64 != 0 && sec_int != null)
{
CreateChannel(1, sec_cmd, sec_ctrl, sec_int);
}
root.Add(new File.Property {
Name = "class", Value = "bus"
});
Tags.Add("class");
return(true);
}
