internal static IRQCallBack[] callBacks; //TODO: create list per IRQ (for shared IRQs)
#region Constructor
internal IRQHandler16bit(byte irq)
{
spinLock.Enter();
if (irqs == null)
{
irqs = new bool[16];
callBacks = new IRQCallBack[16];
}
this.irq = irq;
IDT.Interrupt interrupt = (IDT.Interrupt)(irq + 0x20);
IDT.RegisterIRQ(interrupt, Stubs.GetFunctionPointer(INTERRUPT16BIT_HANDLER));
spinLock.Exit();
}
public static void Setup()
{
IDT.RegisterIRQ(IDT.Interrupt.DivideError, Stubs.GetFunctionPointer(DIVIDE_ERROR));
}
/*
* // sigh.. one can only dream
* public delegate void somefunction(uint value);
* unsafe static somefunction[] timerEvents = (somefunction[])Stubs.StaticAlloc<somefunction>(Kernel.MaxEventHandlers);
* public event somefunction function
* {
* add
* {
* for (int x = 0; x < Kernel.MaxEventHandlers; ++x)
* if (timerEvents[x] == value)
* return;
*
* for (int x = 0; x < Kernel.MaxEventHandlers; ++x)
* if (timerEvents[x] == null)
* timerEvents[x] = value;
* }
* remove
* {
* for (int x = 0; x < Kernel.MaxEventHandlers; ++x)
* if (timerEvents[x] == value)
* timerEvents[x] = null;
* }
* }
*/
#region Setup
public static void Setup()
{
SetTimerFrequency(HZ);
IDT.RegisterIRQ(IDT.Interrupt.SystemTimer, Stubs.GetFunctionPointer(TIMER_HANDLER));
}
public static void Setup()
{
IDT.RegisterIRQ(IDT.Interrupt.Keyboard, Stubs.GetFunctionPointer(KEYBOARD_HANDLER));
}