1/* $Id: mman.h,v 1.9 2000/03/15 02:44:23 davem Exp $ */ 2#ifndef __SPARC_MMAN_H__ 3#define __SPARC_MMAN_H__ 4 5/* SunOS'ified... */ 6 7#define PROT_READ 0x1 /* page can be read */ 8#define PROT_WRITE 0x2 /* page can be written */ 9#define PROT_EXEC 0x4 /* page can be executed */ 10#define PROT_NONE 0x0 /* page can not be accessed */ 11 12#define MAP_SHARED 0x01 /* Share changes */ 13#define MAP_PRIVATE 0x02 /* Changes are private */ 14#define MAP_TYPE 0x0f /* Mask for type of mapping */ 15#define MAP_FIXED 0x10 /* Interpret addr exactly */ 16#define MAP_ANONYMOUS 0x20 /* don't use a file */ 17#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ 18#define MAP_NORESERVE 0x40 /* don't reserve swap pages */ 19#define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */ 20#define MAP_LOCKED 0x100 /* lock the mapping */ 21#define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */ 22 23#define MAP_GROWSDOWN 0x0200 /* stack-like segment */ 24#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 25#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 26 27#define MS_ASYNC 1 /* sync memory asynchronously */ 28#define MS_INVALIDATE 2 /* invalidate the caches */ 29#define MS_SYNC 4 /* synchronous memory sync */ 30 31#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ 32#define MCL_FUTURE 0x4000 /* lock all additions to address space */ 33 34/* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system 35 * XXX calls. 36 */ 37 38/* SunOS sys_mctl() stuff... */ 39#define MC_SYNC 1 /* Sync pages in memory with storage (usu. a file) */ 40#define MC_LOCK 2 /* Lock pages into core ram, do not allow swapping of them */ 41#define MC_UNLOCK 3 /* Unlock pages locked via previous mctl() with MC_LOCK arg */ 42#define MC_LOCKAS 5 /* Lock an entire address space of the calling process */ 43#define MC_UNLOCKAS 6 /* Unlock entire address space of calling process */ 44 45#define MADV_NORMAL 0x0 /* default page-in behavior */ 46#define MADV_RANDOM 0x1 /* page-in minimum required */ 47#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ 48#define MADV_WILLNEED 0x3 /* pre-fault pages */ 49#define MADV_DONTNEED 0x4 /* discard these pages */ 50#define MADV_FREE 0x5 /* (Solaris) contents can be freed */ 51 52/* compatibility flags */ 53#define MAP_ANON MAP_ANONYMOUS 54#define MAP_FILE 0 55 56#endif /* __SPARC_MMAN_H__ */ 57