load_segment_descriptor
rc = load_segment_descriptor(ctxt, (u16)selector, seg);
rc = load_segment_descriptor(ctxt, cs, VCPU_SREG_CS);
rc = load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS);
rc = load_segment_descriptor(ctxt, sel, seg);
return load_segment_descriptor(ctxt, sel, ctxt->modrm_reg);
return load_segment_descriptor(ctxt, sel, VCPU_SREG_LDTR);
return load_segment_descriptor(ctxt, sel, VCPU_SREG_TR);