/* Initialize GDT. */
gdt[SEL_NULL / sizeof *gdt] = 0;
gdt[SEL_KCSEG / sizeof *gdt] = make_code_desc (0);
gdt[SEL_KDSEG / sizeof *gdt] = make_data_desc (0);
gdt[SEL_UCSEG / sizeof *gdt] = make_code_desc (3);
gdt[SEL_UDSEG / sizeof *gdt] = make_data_desc (3);
/* Initialize GDT. */
gdt[SEL_NULL / sizeof *gdt] = 0;
gdt[SEL_KCSEG / sizeof *gdt] = make_code_desc (0);
gdt[SEL_KDSEG / sizeof *gdt] = make_data_desc (0);
gdt[SEL_UCSEG / sizeof *gdt] = make_code_desc (3);
gdt[SEL_UDSEG / sizeof *gdt] = make_data_desc (3);