63,7 → 63,7 |
ptl0 = (pte_t *) PA2KA(root ? root : (__address) GET_PTL0_ADDRESS()); |
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if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = frame_alloc(FRAME_KA, ONE_FRAME); |
newpt = frame_alloc(FRAME_KA, ONE_FRAME, NULL); |
memsetb(newpt, PAGE_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); |
72,7 → 72,7 |
ptl1 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page))); |
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if (GET_PTL2_FLAGS(ptl1, PTL1_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = frame_alloc(FRAME_KA, ONE_FRAME); |
newpt = frame_alloc(FRAME_KA, ONE_FRAME, NULL); |
memsetb(newpt, PAGE_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); |
81,7 → 81,7 |
ptl2 = (pte_t *) PA2KA(GET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page))); |
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if (GET_PTL3_FLAGS(ptl2, PTL2_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = frame_alloc(FRAME_KA, ONE_FRAME); |
newpt = frame_alloc(FRAME_KA, ONE_FRAME, NULL); |
memsetb(newpt, PAGE_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); |