kern
annotate src/segm.h @ 7:611b2d66420b
segment descriptors
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Wed, 16 Feb 2011 07:26:03 +0200 |
| parents | |
| children | 78d5c304ddd0 |
| rev | line source |
|---|---|
| nuclear@7 | 1 #ifndef SEGM_H_ |
| nuclear@7 | 2 #define SEGM_H_ |
| nuclear@7 | 3 |
| nuclear@7 | 4 #define SEGM_KCODE 1 |
| nuclear@7 | 5 #define SEGM_KDATA 2 |
| nuclear@7 | 6 |
| nuclear@7 | 7 typedef struct { |
| nuclear@7 | 8 uint16_t d[4]; |
| nuclear@7 | 9 } desc_t; |
| nuclear@7 | 10 |
| nuclear@7 | 11 void init_segm(void); |
| nuclear@7 | 12 |
| nuclear@7 | 13 uint16_t selector(int idx, int rpl); |
| nuclear@7 | 14 |
| nuclear@7 | 15 /* these functions are implemented in segm-asm.S */ |
| nuclear@7 | 16 void setup_selectors(uint16_t code, uint16_t data); |
| nuclear@7 | 17 void set_gdt(uint32_t addr, uint16_t limit); |
| nuclear@7 | 18 |
| nuclear@7 | 19 |
| nuclear@7 | 20 |
| nuclear@7 | 21 #endif /* SEGM_H_ */ |