| 108,7 → 108,8 |
|---|
| (1 << PAGE_USER_SHIFT) | |
| (1 << PAGE_READ_SHIFT) | |
| (1 << PAGE_WRITE_SHIFT) | |
| (1 << PAGE_EXEC_SHIFT) |
| (1 << PAGE_EXEC_SHIFT) | |
| (p->g << PAGE_GLOBAL_SHIFT) |
| ); |
| } |
| |
| 117,11 → 118,32 |
|---|
| pte_t *p = &pt[i]; |
| |
| p->p = !(flags & PAGE_NOT_PRESENT); |
| p->g = (flags & PAGE_GLOBAL) != 0; |
| p->valid = 1; |
| } |
| |
| extern void page_arch_init(void); |
| |
| #define PHT_BITS 16 |
| #define PHT_ORDER 4 |
| |
| typedef struct { |
| unsigned v : 1; /**< Valid */ |
| unsigned vsid : 24; /**< Virtual Segment ID */ |
| unsigned h : 1; /**< Primary/secondary hash */ |
| unsigned api : 6; /**< Abbreviated Page Index */ |
| unsigned rpn : 20; /**< Real Page Number */ |
| unsigned reserved0 : 3; |
| unsigned r : 1; /**< Reference */ |
| unsigned c : 1; /**< Change */ |
| unsigned wimg : 4; /**< Access control */ |
| unsigned reserved1 : 1; |
| unsigned pp : 2; /**< Page protection */ |
| } phte_t; |
| |
| extern void pht_refill(bool data, istate_t *istate); |
| extern void pht_init(void); |
| |
| #endif /* __ASM__ */ |
| |
| #endif /* KERNEL */ |