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Rev 1809 Rev 1821
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#define PAGE_SIZE   FRAME_SIZE
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#define PAGE_SIZE   FRAME_SIZE
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#ifdef KERNEL
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#ifdef KERNEL
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#ifndef __ASM__
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#ifndef __ASM__
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#   include <arch/hypercall.h>
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#   define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)
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#   define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)
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#   define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)
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#   define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)
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#else
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#else
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#   define KA2PA(x) ((x) - 0x80000000)
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#   define KA2PA(x) ((x) - 0x80000000)
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#   define PA2KA(x) ((x) + 0x80000000)
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#   define PA2KA(x) ((x) + 0x80000000)
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#define GET_PTL1_ADDRESS_ARCH(ptl0, i)      ((pte_t *)((((pte_t *)(ptl0))[(i)].frame_address)<<12))
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#define GET_PTL1_ADDRESS_ARCH(ptl0, i)      ((pte_t *)((((pte_t *)(ptl0))[(i)].frame_address) << 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)     ((uintptr_t)((((pte_t *)(ptl3))[(i)].frame_address)<<12))
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#define GET_FRAME_ADDRESS_ARCH(ptl3, i)     ((uintptr_t)((((pte_t *)(ptl3))[(i)].frame_address) << 12))
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#define SET_PTL0_ADDRESS_ARCH(ptl0)     (write_cr3((uintptr_t) (ptl0)))
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#define SET_PTL0_ADDRESS_ARCH(ptl0) { \
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    mmuext_op_t mmu_ext; \
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    mmu_ext.cmd = MMUEXT_NEW_BASEPTR; \
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    mmu_ext.arg1.mfn = ADDR2PFN(PA2MA(ptl0)); \
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    xen_mmuext_op(&mmu_ext, 1, NULL, DOMID_SELF); \
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}
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#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a)   (((pte_t *)(ptl0))[(i)].frame_address = (a)>>12)
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#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) { \
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    mmu_update_t update; \
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    update.ptr = PA2MA(KA2PA(&((pte_t *) (ptl0))[(i)])); \
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    update.val = PA2MA(a); \
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    xen_mmu_update(&update, 1, NULL, DOMID_SELF); \
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}
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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)].frame_address = (a)>>12)
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#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) { \
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    mmu_update_t update; \
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    update.ptr = PA2MA(KA2PA(&((pte_t *) (ptl3))[(i)])); \
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    update.val = PA2MA(a); \
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    xen_mmu_update(&update, 1, NULL, DOMID_SELF); \
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}
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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))