| 28,6 → 28,8 |
|---|
| |
| /* |
| * This is the generic page hash table interface. |
| * Architectures that use single page hash table for |
| * storing page translations must implement it. |
| */ |
| |
| #ifndef __PAGE_HT_H__ |
| 35,6 → 37,58 |
|---|
| |
| #include <mm/page.h> |
| |
| /** Hash function. |
| * |
| * @param page Virtual address. Only vpn bits will be used. |
| * @param asid Address space identifier. |
| * |
| * @return Pointer to hash table typed pte_t *. |
| */ |
| #define HT_HASH(page, asid) HT_HASH_ARCH(page, asid) |
| |
| /** Compare PTE with page and asid. |
| * |
| * @param page Virtual address. Only vpn bits will be used. |
| * @param asid Address space identifier. |
| * @param t PTE. |
| * |
| * @return 1 on match, 0 otherwise. |
| */ |
| #define HT_COMPARE(page, asid, t) HT_COMPARE_ARCH(page, asid, t) |
| |
| /** Identify empty hash table slots. |
| * |
| * @param t Pointer ro hash table typed pte_t *. |
| * |
| * @return 1 if the slot is empty, 0 otherwise. |
| */ |
| #define HT_SLOT_EMPTY(t) HT_SLOT_EMPTY_ARCH(t) |
| |
| /** Return next record in collision chain. |
| * |
| * @param t PTE. |
| * |
| * @return Successor of PTE or NULL. |
| */ |
| #define HT_GET_NEXT(t) HT_GET_NEXT_ARCH(t) |
| |
| /** Set successor in collision chain. |
| * |
| * @param t PTE. |
| * @param s Successor or NULL. |
| */ |
| #define HT_SET_NEXT(t, s) HT_SET_NEXT_ARCH(t, s) |
| |
| /** Set page hash table record. |
| * |
| * @param t PTE. |
| * @param page Virtual address. Only vpn bits will be used. |
| * @param asid Address space identifier. |
| * @param frame Physical address. Only pfn bits will be used. |
| * @param flags Flags. See mm/page.h. |
| */ |
| #define HT_SET_RECORD(t, page, asid, frame, flags) HT_SET_RECORD_ARCH(t, page, asid, frame, flags) |
| |
| extern page_operations_t page_ht_operations; |
| |
| #endif |