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#define PTL3_INDEX_ARCH(vaddr)  (((vaddr)>>14)&0x3fff)
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#define PTL3_INDEX_ARCH(vaddr)  (((vaddr)>>14)&0x3fff)
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#define GET_PTL0_ADDRESS_ARCH()         (PTL0)
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#define GET_PTL0_ADDRESS_ARCH()         (PTL0)
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#define SET_PTL0_ADDRESS_ARCH(ptl0)     (PTL0 = (pte_t *)(ptl0))
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#define SET_PTL0_ADDRESS_ARCH(ptl0)     (PTL0 = (pte_t *)(ptl0))
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#define GET_PTL1_ADDRESS_ARCH(ptl0, i)      (((pte_t *)(ptl0))[(i)].pfn<<12)
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#define GET_PTL1_ADDRESS_ARCH(ptl0, i)      (((pte_t *)(ptl0))[(i)].lo.pfn<<12)
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#define GET_PTL2_ADDRESS_ARCH(ptl1, i)      (ptl1)
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#define GET_PTL2_ADDRESS_ARCH(ptl1, i)      (ptl1)
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#define GET_PTL3_ADDRESS_ARCH(ptl2, i)      (ptl2)
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#define GET_PTL3_ADDRESS_ARCH(ptl2, i)      (ptl2)
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#define GET_FRAME_ADDRESS_ARCH(ptl3, i)     (((pte_t *)(ptl3))[(i)].pfn<<12)
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#define GET_FRAME_ADDRESS_ARCH(ptl3, i)     (((pte_t *)(ptl3))[(i)].lo.pfn<<12)
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#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a)   (((pte_t *)(ptl0))[(i)].pfn = (a)>>12)
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#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a)   (((pte_t *)(ptl0))[(i)].lo.pfn = (a)>>12)
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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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#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
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#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
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#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a)  (((pte_t *)(ptl3))[(i)].pfn = (a)>>12)
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#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a)  (((pte_t *)(ptl3))[(i)].lo.pfn = (a)>>12)
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#define GET_PTL1_FLAGS_ARCH(ptl0, i)        get_pt_flags((pte_t *)(ptl0), (index_t)(i))
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#define GET_PTL1_FLAGS_ARCH(ptl0, i)        get_pt_flags((pte_t *)(ptl0), (index_t)(i))
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#define GET_PTL2_FLAGS_ARCH(ptl1, i)        PAGE_PRESENT
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#define GET_PTL2_FLAGS_ARCH(ptl1, i)        PAGE_PRESENT
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#define GET_PTL3_FLAGS_ARCH(ptl2, i)        PAGE_PRESENT
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#define GET_PTL3_FLAGS_ARCH(ptl2, i)        PAGE_PRESENT
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#define GET_FRAME_FLAGS_ARCH(ptl3, i)       get_pt_flags((pte_t *)(ptl3), (index_t)(i))
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#define GET_FRAME_FLAGS_ARCH(ptl3, i)       get_pt_flags((pte_t *)(ptl3), (index_t)(i))
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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, index_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 (
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    return (
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        ((p->c>PAGE_UNCACHED)<<PAGE_CACHEABLE_SHIFT) |
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        ((p->lo.c>PAGE_UNCACHED)<<PAGE_CACHEABLE_SHIFT) |
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        ((!p->v)<<PAGE_PRESENT_SHIFT) |
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        ((!p->lo.v)<<PAGE_PRESENT_SHIFT) |
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        (1<<PAGE_USER_SHIFT) |
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        (1<<PAGE_USER_SHIFT) |
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        (1<<PAGE_READ_SHIFT) |
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        (1<<PAGE_READ_SHIFT) |
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        ((p->w)<<PAGE_WRITE_SHIFT) |
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        ((p->w)<<PAGE_WRITE_SHIFT) |
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        (1<<PAGE_EXEC_SHIFT)
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        (1<<PAGE_EXEC_SHIFT)
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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, index_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->c = (flags & PAGE_CACHEABLE) != 0 ? PAGE_CACHEABLE_EXC_WRITE : PAGE_UNCACHED;
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    p->lo.c = (flags & PAGE_CACHEABLE) != 0 ? PAGE_CACHEABLE_EXC_WRITE : PAGE_UNCACHED;
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    p->v = !(flags & PAGE_NOT_PRESENT);
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    p->lo.v = !(flags & PAGE_NOT_PRESENT);
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    p->w = (flags & PAGE_WRITE) != 0;
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    p->w = (flags & PAGE_WRITE) != 0;
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}
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}
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extern void page_arch_init(void);
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extern void page_arch_init(void);
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