65,7 → 65,7 |
ptl0 = (pte_t *) PA2KA((__address) as->page_table); |
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if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = frame_alloc(ONE_FRAME, FRAME_KA); |
newpt = PA2KA(PFN2ADDR(frame_alloc(ONE_FRAME, FRAME_KA))); |
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); |
74,7 → 74,7 |
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(ONE_FRAME, FRAME_KA); |
newpt = PA2KA(PFN2ADDR(frame_alloc(ONE_FRAME, FRAME_KA))); |
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); |
83,7 → 83,7 |
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(ONE_FRAME, FRAME_KA); |
newpt = PA2KA(PFN2ADDR(frame_alloc(ONE_FRAME, FRAME_KA))); |
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); |