SUN4U_TLB_EXEC
data = (CPU_ISSUN4V ? SUN4V_TLB_EXEC : SUN4U_TLB_EXEC);
tte.data |= SUN4U_TLB_EXEC;
tte.data |= SUN4U_TLB_EXEC;
data &= ~(SUN4U_TLB_EXEC | SUN4U_TLB_EXEC_ONLY);
set |= SUN4U_TLB_EXEC;
clear |= SUN4U_TLB_EXEC;