| struct segment_descriptor { | |
| u16 limit_low; | |
| u16 base_low; | |
| u8 base_mid; | |
| u8 type : 4; | |
| u8 system : 1; | |
| u8 dpl : 2; | |
| u8 present : 1; | |
| u8 limit_high : 4; | |
| u8 avl : 1; | |
| u8 long_mode : 1; | |
| u8 default_op : 1; | |
| u8 granularity : 1; | |
| u8 base_high; | |
| } __attribute__((packed)); | |