1993-07-30 21:02:44 +04:00
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#ifndef _MACHINE_PTE_H
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#define _MACHINE_PTE_H
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1993-07-27 16:04:41 +04:00
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#define NCONTEXT 8
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#define NBSG 131072
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#define SEGINV 255
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#define NPAGSEG 16
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#define NSEGMAP 2048
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#define PG_VALID 0x80000000
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#define PG_WRITE 0x40000000
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#define PG_SYSTEM 0x20000000
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#define PG_NC 0x10000000
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#define PG_TYPE 0x0C000000
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#define PG_ACCESS 0x02000000
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#define PG_MOD 0x01000000
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1993-07-30 21:02:44 +04:00
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1993-07-27 16:04:41 +04:00
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#define PG_SPECIAL (PG_VALID|PG_WRITE|PG_SYSTEM|PG_NC|PG_ACCESS|PG_MOD)
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1993-07-30 21:02:44 +04:00
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#define PG_PERM (PG_VALID|PG_WRITE|PG_SYSTEM|PG_NC)
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1993-07-27 16:04:41 +04:00
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#define PG_FRAME 0x0007FFFF
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1993-07-30 21:02:44 +04:00
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#define PG_MOD_SHIFT 24
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#define PG_PERM_SHIFT 28
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1993-07-27 16:04:41 +04:00
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#define PG_MMEM 0
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#define PG_OBIO 1
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#define PG_VME16D 2
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#define PG_VME32D 3
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#define PG_TYPE_SHIFT 26
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1993-07-30 21:02:44 +04:00
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#define PG_INVAL 0x0
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1993-07-27 16:04:41 +04:00
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#define MAKE_PGTYPE(x) ((x) << PG_TYPE_SHIFT)
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#define PG_PGNUM(pte) (pte & PG_FRAME)
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1993-07-30 21:02:44 +04:00
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#define PG_PA(pte) ((pte & PG_FRAME) <<PGSHIFT)
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#define VA_PTE_NUM_SHIFT 13
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#define VA_PTE_NUM_MASK (0xF << VA_PTE_NUM_SHIFT)
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#define VA_PTE_NUM(va) ((va & VA_PTE_NUM_MASK) >> VA_PTE_NUM_SHIFT)
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1993-08-08 16:18:27 +04:00
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#define PA_PGNUM(pa) (pa >>PGSHIFT)
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1993-07-30 21:02:44 +04:00
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#endif /* !_MACHINE_PTE_H*/
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