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Rev 205 Rev 227
Line 64... Line 64...
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        if (!m->ptl0) {
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        if (!m->ptl0) {
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            pte_t *src_ptl0, *dst_ptl0;
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            pte_t *src_ptl0, *dst_ptl0;
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            src_ptl0 = (pte_t *) PA2KA((__address) GET_PTL0_ADDRESS());
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            src_ptl0 = (pte_t *) PA2KA((__address) GET_PTL0_ADDRESS());
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            dst_ptl0 = (pte_t *) frame_alloc(FRAME_KA | FRAME_PANIC);
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            dst_ptl0 = (pte_t *) frame_alloc(FRAME_KA | FRAME_PANIC);
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            /* TODO: in theory, it should be only necessary to copy kernel address space... */
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            memcpy((void *)PA2KA((__address) dst_ptl0), (void *)GET_PTL0_ADDRESS() , PAGE_SIZE);
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            memcpy((void *)PA2KA((__address) dst_ptl0), (void *)GET_PTL0_ADDRESS() , PAGE_SIZE);
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            m->ptl0 = (pte_t *) KA2PA((__address) dst_ptl0);
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            m->ptl0 = (pte_t *) KA2PA((__address) dst_ptl0);
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        }
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        }
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    }
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    }
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    return m;
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    return m;