1 2 #ifndef _MACHINE_PTE_H 3 #define _MACHINE_PTE_H 4 5 #define NCONTEXT 8 6 #define NBSG 131072 7 #define SEGINV 255 8 #define NPAGSEG 16 9 #define NSEGMAP 2048 10 11 #define PG_VALID 0x80000000 12 #define PG_WRITE 0x40000000 13 #define PG_SYSTEM 0x20000000 14 #define PG_NC 0x10000000 15 #define PG_TYPE 0x0C000000 16 #define PG_ACCESS 0x02000000 17 #define PG_MOD 0x01000000 18 19 #define PG_SPECIAL (PG_VALID|PG_WRITE|PG_SYSTEM|PG_NC|PG_ACCESS|PG_MOD) 20 #define PG_PERM (PG_VALID|PG_WRITE|PG_SYSTEM|PG_NC) 21 #define PG_FRAME 0x0007FFFF 22 23 #define PG_MOD_SHIFT 24 24 #define PG_PERM_SHIFT 28 25 26 #define PG_MMEM 0 27 #define PG_OBIO 1 28 #define PG_VME16D 2 29 #define PG_VME32D 3 30 #define PG_TYPE_SHIFT 26 31 32 #define PG_INVAL 0x0 33 34 #define MAKE_PGTYPE(x) ((x) << PG_TYPE_SHIFT) 35 #define PG_PGNUM(pte) (pte & PG_FRAME) 36 #define PG_PA(pte) ((pte & PG_FRAME) <<PGSHIFT) 37 38 #define VA_PTE_NUM_SHIFT 13 39 #define VA_PTE_NUM_MASK (0xF << VA_PTE_NUM_SHIFT) 40 #define VA_PTE_NUM(va) ((va & VA_PTE_NUM_MASK) >> VA_PTE_NUM_SHIFT) 41 42 43 #endif /* !_MACHINE_PTE_H*/ 44