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#   define PA2KA(x) ((x) + 0x80000000)
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#   define PA2KA(x) ((x) + 0x80000000)
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#endif
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#endif
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#ifdef KERNEL
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#ifdef KERNEL
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- 
 
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/* Number of entries in each level. */
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#define PTL0_ENTRIES_ARCH   (2 << 12)   /* 4096 */
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#define PTL0_ENTRIES_ARCH   (2 << 12)   /* 4096 */
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#define PTL1_ENTRIES_ARCH   0
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#define PTL1_ENTRIES_ARCH   0
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#define PTL2_ENTRIES_ARCH   0
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#define PTL2_ENTRIES_ARCH   0
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 - 
 
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/* coarse page tables used (256 * 4 = 1KB per page) */
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/* coarse page tables used (256 * 4 = 1KB per page) */
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#define PTL3_ENTRIES_ARCH   (2 << 8)    /* 256 */
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#define PTL3_ENTRIES_ARCH   (2 << 8)    /* 256 */
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- 
 
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/* Page table sizes for each level. */
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#define PTL0_SIZE_ARCH      FOUR_FRAMES
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#define PTL0_SIZE_ARCH      FOUR_FRAMES
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#define PTL1_SIZE_ARCH      0
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#define PTL1_SIZE_ARCH      0
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#define PTL2_SIZE_ARCH      0
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#define PTL2_SIZE_ARCH      0
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#define PTL3_SIZE_ARCH      ONE_FRAME
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#define PTL3_SIZE_ARCH      ONE_FRAME
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- 
 
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/* Macros calculating indices into page tables for each level. */
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#define PTL0_INDEX_ARCH(vaddr)  (((vaddr) >> 20) & 0xfff)
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#define PTL0_INDEX_ARCH(vaddr)  (((vaddr) >> 20) & 0xfff)
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#define PTL1_INDEX_ARCH(vaddr)  0
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#define PTL1_INDEX_ARCH(vaddr)  0
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#define PTL2_INDEX_ARCH(vaddr)  0
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#define PTL2_INDEX_ARCH(vaddr)  0
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#define PTL3_INDEX_ARCH(vaddr)  (((vaddr) >> 12) & 0x0ff)
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#define PTL3_INDEX_ARCH(vaddr)  (((vaddr) >> 12) & 0x0ff)
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- 
 
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/* Get PTE address accessors for each level. */
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#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \
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#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \
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    ((pte_t *) ((((pte_level0_t *)(ptl0))[(i)]).coarse_table_addr << 10))
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    ((pte_t *) ((((pte_level0_t *)(ptl0))[(i)]).coarse_table_addr << 10))
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#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \
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#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \
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    (ptl1)
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    (ptl1)
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#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \
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#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \
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    (ptl2)
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    (ptl2)
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#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \
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#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \
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    ((uintptr_t) ((((pte_level1_t *)(ptl3))[(i)]).frame_base_addr << 12))
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    ((uintptr_t) ((((pte_level1_t *)(ptl3))[(i)]).frame_base_addr << 12))
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- 
 
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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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    (set_ptl0_addr((pte_level0_t *) (ptl0)))
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    (set_ptl0_addr((pte_level0_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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    (((pte_level0_t *) (ptl0))[(i)].coarse_table_addr = (a) >> 10)
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    (((pte_level0_t *) (ptl0))[(i)].coarse_table_addr = (a) >> 10)
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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) \
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#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \
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    (((pte_level1_t *) (ptl3))[(i)].frame_base_addr = (a) >> 12)
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    (((pte_level1_t *) (ptl3))[(i)].frame_base_addr = (a) >> 12)
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- 
 
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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_level0_flags((pte_level0_t *) (ptl0), (index_t) (i))
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    get_pt_level0_flags((pte_level0_t *) (ptl0), (index_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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    PAGE_PRESENT
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    PAGE_PRESENT
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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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    PAGE_PRESENT
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    PAGE_PRESENT
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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_level1_flags((pte_level1_t *) (ptl3), (index_t) (i))
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    get_pt_level1_flags((pte_level1_t *) (ptl3), (index_t) (i))
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- 
 
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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_level0_flags((pte_level0_t *) (ptl0), (index_t) (i), (x))
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    set_pt_level0_flags((pte_level0_t *) (ptl0), (index_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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#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
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#define SET_PTL3_FLAGS_ARCH(ptl2, 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_level1_flags((pte_level1_t *) (ptl3), (index_t) (i), (x))
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    set_pt_level1_flags((pte_level1_t *) (ptl3), (index_t) (i), (x))
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- 
 
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/* Macros for querying the last-level PTE entries. */
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#define PTE_VALID_ARCH(pte) \
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#define PTE_VALID_ARCH(pte) \
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    (*((uint32_t *) (pte)) != 0)
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    (*((uint32_t *) (pte)) != 0)
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#define PTE_PRESENT_ARCH(pte) \
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#define PTE_PRESENT_ARCH(pte) \
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    (((pte_level0_t *) (pte))->descriptor_type != 0)
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    (((pte_level0_t *) (pte))->descriptor_type != 0)
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 - 
 
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/* pte should point into ptl3 */
 - 
 
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#define PTE_GET_FRAME_ARCH(pte) \
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#define PTE_GET_FRAME_ARCH(pte) \
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    (((pte_level1_t *) (pte))->frame_base_addr << FRAME_WIDTH)
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    (((pte_level1_t *) (pte))->frame_base_addr << FRAME_WIDTH)
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 - 
 
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/* pte should point into ptl3 */
 - 
 
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#define PTE_WRITABLE_ARCH(pte) \
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#define PTE_WRITABLE_ARCH(pte) \
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    (((pte_level1_t *) (pte))->access_permission_0 == \
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    (((pte_level1_t *) (pte))->access_permission_0 == \
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        PTE_AP_USER_RW_KERNEL_RW)
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        PTE_AP_USER_RW_KERNEL_RW)
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 - 
 
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#define PTE_EXECUTABLE_ARCH(pte) \
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#define PTE_EXECUTABLE_ARCH(pte) \
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    1
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    1
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#ifndef __ASM__
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#ifndef __ASM__
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