HV_SUPPORT_NONE
if (f->hv_support == HV_SUPPORT_NONE) {
if (f->hv_support != HV_SUPPORT_NONE) {
f->hv_support = HV_SUPPORT_NONE;
if (f->hv_support == HV_SUPPORT_NONE && f->hfscr_bit_nr != -1) {
if (f->hv_support != HV_SUPPORT_NONE || f->hfscr_bit_nr != -1) {