private static unsafe void TimerHandler(IDT.ISRData data)
{
ticks++;
for (int x = 0; x < EntryModule.MaxEventHandlers; ++x)
{
if (timerEvent[x] == 0)
{
continue;
}
MemoryUtil.Call(timerEvent[x], ticks);
}
SharpOS.Kernel.ADC.Thread thread = Dispatcher.Dispatch((void *)data.Stack);
if (thread != null)
{
IDT.Stack *newStack = (IDT.Stack *)thread.StackPointer;
newStack->IrqIndex = data.Stack->IrqIndex;
data.Stack = newStack;
}
}
internal static unsafe void *CreateStack(uint function_address)
{
IDT.Stack *stack = (IDT.Stack *)
(((byte *)MemoryManager.Allocate(STACK_SIZE))
+ (STACK_SIZE - (uint)sizeof(IDT.Stack)));
if (stack == null)
{
return(null);
}
// ... temp code
stack->FS = GDT.DataSelector;
stack->GS = GDT.DataSelector;
stack->ES = GDT.DataSelector;
stack->DS = GDT.DataSelector;
stack->SS = GDT.DataSelector;
stack->CS = GDT.CodeSelector;
stack->EIP = function_address;
stack->UserESP =
stack->EBP =
stack->ESP = (uint)stack; // stack pointer
stack->EFlags = 0x00000202;
// |------| start of stack memory
// | |
// | | = ESP
// | DATA |
// | DATA | = EBP
// | DATA |
// |------| end of stack memory
return((void *)stack);
}
