24 lines
409 B
C++
24 lines
409 B
C++
interrupt U0 IntBeepOn()
|
|
{
|
|
*LAPIC_EOI(U32 *)=0; //signal end of interrupt
|
|
Snd(100);
|
|
}
|
|
|
|
interrupt U0 IntBeepOff()
|
|
{
|
|
*LAPIC_EOI(U32 *)=0;
|
|
Snd(0);
|
|
}
|
|
|
|
U0 IntTest()
|
|
{//Modify interrupt descriptor table use by all cores.
|
|
IntEntrySet(I_USER,&IntBeepOn,IDTET_TRAP);
|
|
IntEntrySet(I_USER+1,&IntBeepOff,IDTET_TRAP);
|
|
//Issue interupt to core1
|
|
MPInt(I_USER,1);
|
|
Sleep(1000);
|
|
MPInt(I_USER+1,1);
|
|
}
|
|
|
|
IntTest;
|