cif_nmi_tss
ci->ci_nmi_tss = &cif->cif_nmi_tss;
cpu_init_tss(&cif->cif_nmi_tss, (void *)va, Xnmi);
(uint32_t)cif->cif_nmi_tss.tss_esp0);
cif->cif_nmi_tss.tss_ioopt = sizeof(cif->cif_nmi_tss) << 16;
cpu_info_primary.ci_nmi_tss = &cpu_info_full_primary.cif_nmi_tss;