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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /kernel/trunk/generic/src/mm @ 541

  → /kernel/trunk/generic/src/mm @ 548

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 541 → Rev 548

/kernel/trunk/generic/src/mm/vm.c
69,7 → 69,7
pte_t *src_ptl0, *dst_ptl0;
src_ptl0 = (pte_t *) PA2KA((__address) GET_PTL0_ADDRESS());
dst_ptl0 = (pte_t *) frame_alloc(FRAME_KA | FRAME_PANIC, 0);
dst_ptl0 = (pte_t *) frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME);
// memsetb((__address) dst_ptl0, PAGE_SIZE, 0);
// memcpy((void *) &dst_ptl0[KAS_START_INDEX], (void *) &src_ptl0[KAS_START_INDEX], KAS_INDICES);
115,7 → 115,7
}
for (i=0; i<size; i++)
a->mapping[i] = frame_alloc(0,0);
a->mapping[i] = frame_alloc(0, ONE_FRAME);
spinlock_initialize(&a->lock);

/kernel/trunk/generic/src/mm/page.c
79,28 → 79,28
ptl0 = (pte_t *) PA2KA(root ? root : (__address) GET_PTL0_ADDRESS());
if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) {
newpt = frame_alloc(FRAME_KA, 0);
newpt = frame_alloc(FRAME_KA, ONE_FRAME);
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);
SET_PTL1_FLAGS(ptl0, PTL0_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE);
}
ptl1 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page)));
if (GET_PTL2_FLAGS(ptl1, PTL1_INDEX(page)) & PAGE_NOT_PRESENT) {
newpt = frame_alloc(FRAME_KA, 0);
newpt = frame_alloc(FRAME_KA, ONE_FRAME);
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);
SET_PTL2_FLAGS(ptl1, PTL1_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE);
}
ptl2 = (pte_t *) PA2KA(GET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page)));
if (GET_PTL3_FLAGS(ptl2, PTL2_INDEX(page)) & PAGE_NOT_PRESENT) {
newpt = frame_alloc(FRAME_KA, 0);
newpt = frame_alloc(FRAME_KA, ONE_FRAME);
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);
SET_PTL3_FLAGS(ptl2, PTL2_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE);
}
ptl3 = (pte_t *) PA2KA(GET_PTL3_ADDRESS(ptl2, PTL2_INDEX(page)));