T_NOEXTFLT
{ T_NOEXTFLT, "device-not-avail" },
case T_NOEXTFLT + USER: /* math coprocessor not available */
case T_NOEXTFLT:
set_gatesegd(&idt[T_NOEXTFLT], &xpv_ndptrap, cs, SDT_SYSIGT, TRP_XPL,
{ T_NOEXTFLT, 0, kdi_trap7, NULL },
set_gatesegd(&idt[T_NOEXTFLT],
KCS_SEL, SDT_SYSIGT, TRP_KPL, idt_vector_to_ist(T_NOEXTFLT));