75,8 → 75,8 |
ptl0 = (pte_t *) PA2KA((uintptr_t) as->genarch.page_table); |
|
if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = (pte_t *)frame_alloc(ONE_FRAME, FRAME_KA); |
memsetb((uintptr_t)newpt, PAGE_SIZE, 0); |
newpt = (pte_t *)frame_alloc(PTL1_SIZE, FRAME_KA); |
memsetb((uintptr_t)newpt, FRAME_SIZE << PTL1_SIZE, 0); |
SET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page), KA2PA(newpt)); |
SET_PTL1_FLAGS(ptl0, PTL0_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE); |
} |
84,8 → 84,8 |
ptl1 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page))); |
|
if (GET_PTL2_FLAGS(ptl1, PTL1_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = (pte_t *)frame_alloc(ONE_FRAME, FRAME_KA); |
memsetb((uintptr_t)newpt, PAGE_SIZE, 0); |
newpt = (pte_t *)frame_alloc(PTL2_SIZE, FRAME_KA); |
memsetb((uintptr_t)newpt, FRAME_SIZE << PTL2_SIZE, 0); |
SET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page), KA2PA(newpt)); |
SET_PTL2_FLAGS(ptl1, PTL1_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE); |
} |
93,8 → 93,8 |
ptl2 = (pte_t *) PA2KA(GET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page))); |
|
if (GET_PTL3_FLAGS(ptl2, PTL2_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = (pte_t *)frame_alloc(ONE_FRAME, FRAME_KA); |
memsetb((uintptr_t)newpt, PAGE_SIZE, 0); |
newpt = (pte_t *)frame_alloc(PTL3_SIZE, FRAME_KA); |
memsetb((uintptr_t)newpt, FRAME_SIZE << PTL3_SIZE, 0); |
SET_PTL3_ADDRESS(ptl2, PTL2_INDEX(page), KA2PA(newpt)); |
SET_PTL3_FLAGS(ptl2, PTL2_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE); |
} |