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/* Set PTE address accessors for each level. */
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/* Set PTE address accessors for each level. */
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#define SET_PTL0_ADDRESS_ARCH(ptl0) \
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#define SET_PTL0_ADDRESS_ARCH(ptl0) \
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    (write_cr3((uintptr_t) (ptl0)))
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    (write_cr3((uintptr_t) (ptl0)))
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#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \
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#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \
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    set_pt_addr((pte_t *) (ptl0), (index_t) (i), a)
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    set_pt_addr((pte_t *) (ptl0), (size_t) (i), a)
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#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) \
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#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) \
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    set_pt_addr((pte_t *) (ptl1), (index_t) (i), a)
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    set_pt_addr((pte_t *) (ptl1), (size_t) (i), a)
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#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) \
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#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) \
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    set_pt_addr((pte_t *) (ptl2), (index_t) (i), a)
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    set_pt_addr((pte_t *) (ptl2), (size_t) (i), a)
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#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \
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#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \
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    set_pt_addr((pte_t *) (ptl3), (index_t) (i), a)
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    set_pt_addr((pte_t *) (ptl3), (size_t) (i), a)
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/* Get PTE flags accessors for each level. */
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/* Get PTE flags accessors for each level. */
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#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
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#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
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    get_pt_flags((pte_t *) (ptl0), (index_t) (i))
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    get_pt_flags((pte_t *) (ptl0), (size_t) (i))
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#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
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#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
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    get_pt_flags((pte_t *) (ptl1), (index_t) (i))
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    get_pt_flags((pte_t *) (ptl1), (size_t) (i))
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#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
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#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
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    get_pt_flags((pte_t *) (ptl2), (index_t) (i))
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    get_pt_flags((pte_t *) (ptl2), (size_t) (i))
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#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
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#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
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    get_pt_flags((pte_t *) (ptl3), (index_t) (i))
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    get_pt_flags((pte_t *) (ptl3), (size_t) (i))
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/* Set PTE flags accessors for each level. */
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/* Set PTE flags accessors for each level. */
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#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
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#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
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    set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
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    set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x))
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#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) \
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#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) \
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    set_pt_flags((pte_t *) (ptl1), (index_t) (i), (x))
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    set_pt_flags((pte_t *) (ptl1), (size_t) (i), (x))
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#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) \
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#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) \
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    set_pt_flags((pte_t *) (ptl2), (index_t) (i), (x))
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    set_pt_flags((pte_t *) (ptl2), (size_t) (i), (x))
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#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
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#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
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    set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
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    set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x))
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/* Macros for querying the last-level PTE entries. */
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/* Macros for querying the last-level PTE entries. */
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#define PTE_VALID_ARCH(p) \
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#define PTE_VALID_ARCH(p) \
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    (*((uint64_t *) (p)) != 0)
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    (*((uint64_t *) (p)) != 0)
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#define PTE_PRESENT_ARCH(p) \
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#define PTE_PRESENT_ARCH(p) \
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/** When bit on this position os 1, the page fault was caused during instruction
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/** When bit on this position os 1, the page fault was caused during instruction
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 * fecth.
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 * fecth.
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 */
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 */
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#define PFERR_CODE_ID       (1 << 4)
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#define PFERR_CODE_ID       (1 << 4)
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static inline int get_pt_flags(pte_t *pt, index_t i)
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static inline int get_pt_flags(pte_t *pt, size_t i)
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{
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{
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    pte_t *p = &pt[i];
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    pte_t *p = &pt[i];
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    return ((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT |
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    return ((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT |
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        (!p->present) << PAGE_PRESENT_SHIFT |
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        (!p->present) << PAGE_PRESENT_SHIFT |
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        p->writeable << PAGE_WRITE_SHIFT |
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        p->writeable << PAGE_WRITE_SHIFT |
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        (!p->no_execute) << PAGE_EXEC_SHIFT |
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        (!p->no_execute) << PAGE_EXEC_SHIFT |
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        p->global << PAGE_GLOBAL_SHIFT);
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        p->global << PAGE_GLOBAL_SHIFT);
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}
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}
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static inline void set_pt_addr(pte_t *pt, index_t i, uintptr_t a)
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static inline void set_pt_addr(pte_t *pt, size_t i, uintptr_t a)
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{
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{
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    pte_t *p = &pt[i];
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    pte_t *p = &pt[i];
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    p->addr_12_31 = (a >> 12) & 0xfffff;
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    p->addr_12_31 = (a >> 12) & 0xfffff;
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    p->addr_32_51 = a >> 32;
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    p->addr_32_51 = a >> 32;
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}
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}
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static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
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static inline void set_pt_flags(pte_t *pt, size_t i, int flags)
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{
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{
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    pte_t *p = &pt[i];
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    pte_t *p = &pt[i];
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    p->page_cache_disable = !(flags & PAGE_CACHEABLE);
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    p->page_cache_disable = !(flags & PAGE_CACHEABLE);
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    p->present = !(flags & PAGE_NOT_PRESENT);
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    p->present = !(flags & PAGE_NOT_PRESENT);