void
mathinit(void)
{
trapenable(VectorCERR, matherror, 0, "matherror");
if(X86FAMILY(m->cpuidax) == 3)
intrenable(IrqIRQ13, matherror, 0, BUSUNKNOWN, "matherror");
trapenable(VectorCNA, mathemu, 0, "mathemu");
trapenable(VectorCSO, mathover, 0, "mathover");
}
void
trapinit(void)
{
/*
* Special traps.
* Syscall() is called directly without going through trap().
*/
trapenable(VectorBPT, debugbpt, 0, "debugpt");
trapenable(VectorPF, fault386, 0, "fault386");
trapenable(Vector2F, doublefault, 0, "doublefault");
trapenable(Vector15, unexpected, 0, "unexpected");
nmienable();
addarchfile("irqalloc", 0444, irqallocread, nil);
trapinited = 1;
}
void
trapinit(void)
{
/*
* Need to set BPT interrupt gate - here or in vsvminit?
*/
/*
* Special traps.
* Syscall() is called directly without going through trap().
*/
trapenable(VectorBPT, debugbpt, 0, "#BP");
trapenable(VectorPF, faultamd64, 0, "#PF");
trapenable(Vector2F, doublefault, 0, "#DF");
intrenable(IdtIPI, expected, 0, BUSUNKNOWN, "#IPI");
trapenable(Vector15, unexpected, 0, "#15");
nmienable();
addarchfile("irqalloc", 0444, irqallocread, nil);
}
