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Diffstat (limited to 'include/asm-sparc/mman.h')
| -rw-r--r-- | include/asm-sparc/mman.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/asm-sparc/mman.h b/include/asm-sparc/mman.h new file mode 100644 index 0000000..138eb81 --- /dev/null +++ b/include/asm-sparc/mman.h @@ -0,0 +1,62 @@ +/* $Id: mman.h,v 1.9 2000/03/15 02:44:23 davem Exp $ */ +#ifndef __SPARC_MMAN_H__ +#define __SPARC_MMAN_H__ + +/* SunOS'ified... */ + +#define PROT_READ 0x1 /* page can be read */ +#define PROT_WRITE 0x2 /* page can be written */ +#define PROT_EXEC 0x4 /* page can be executed */ +#define PROT_SEM 0x8 /* page may be used for atomic ops */ +#define PROT_NONE 0x0 /* page can not be accessed */ +#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ +#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ + +#define MAP_SHARED 0x01 /* Share changes */ +#define MAP_PRIVATE 0x02 /* Changes are private */ +#define MAP_TYPE 0x0f /* Mask for type of mapping */ +#define MAP_FIXED 0x10 /* Interpret addr exactly */ +#define MAP_ANONYMOUS 0x20 /* don't use a file */ +#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ +#define MAP_NORESERVE 0x40 /* don't reserve swap pages */ +#define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */ +#define MAP_LOCKED 0x100 /* lock the mapping */ +#define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */ + +#define MAP_GROWSDOWN 0x0200 /* stack-like segment */ +#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ + +#define MS_ASYNC 1 /* sync memory asynchronously */ +#define MS_INVALIDATE 2 /* invalidate the caches */ +#define MS_SYNC 4 /* synchronous memory sync */ + +#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ +#define MCL_FUTURE 0x4000 /* lock all additions to address space */ + +#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x10000 /* do not block on IO */ + +/* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system + * XXX calls. + */ + +/* SunOS sys_mctl() stuff... */ +#define MC_SYNC 1 /* Sync pages in memory with storage (usu. a file) */ +#define MC_LOCK 2 /* Lock pages into core ram, do not allow swapping of them */ +#define MC_UNLOCK 3 /* Unlock pages locked via previous mctl() with MC_LOCK arg */ +#define MC_LOCKAS 5 /* Lock an entire address space of the calling process */ +#define MC_UNLOCKAS 6 /* Unlock entire address space of calling process */ + +#define MADV_NORMAL 0x0 /* default page-in behavior */ +#define MADV_RANDOM 0x1 /* page-in minimum required */ +#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ +#define MADV_WILLNEED 0x3 /* pre-fault pages */ +#define MADV_DONTNEED 0x4 /* discard these pages */ +#define MADV_FREE 0x5 /* (Solaris) contents can be freed */ + +/* compatibility flags */ +#define MAP_ANON MAP_ANONYMOUS +#define MAP_FILE 0 + +#endif /* __SPARC_MMAN_H__ */ |
