diff options
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 000000000000..138eb81dd70d --- /dev/null +++ b/include/asm-sparc/mman.h | |||
@@ -0,0 +1,62 @@ | |||
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_SEM 0x8 /* page may be used for atomic ops */ | ||
11 | #define PROT_NONE 0x0 /* page can not be accessed */ | ||
12 | #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ | ||
13 | #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ | ||
14 | |||
15 | #define MAP_SHARED 0x01 /* Share changes */ | ||
16 | #define MAP_PRIVATE 0x02 /* Changes are private */ | ||
17 | #define MAP_TYPE 0x0f /* Mask for type of mapping */ | ||
18 | #define MAP_FIXED 0x10 /* Interpret addr exactly */ | ||
19 | #define MAP_ANONYMOUS 0x20 /* don't use a file */ | ||
20 | #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ | ||
21 | #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ | ||
22 | #define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */ | ||
23 | #define MAP_LOCKED 0x100 /* lock the mapping */ | ||
24 | #define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */ | ||
25 | |||
26 | #define MAP_GROWSDOWN 0x0200 /* stack-like segment */ | ||
27 | #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ | ||
28 | #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ | ||
29 | |||
30 | #define MS_ASYNC 1 /* sync memory asynchronously */ | ||
31 | #define MS_INVALIDATE 2 /* invalidate the caches */ | ||
32 | #define MS_SYNC 4 /* synchronous memory sync */ | ||
33 | |||
34 | #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ | ||
35 | #define MCL_FUTURE 0x4000 /* lock all additions to address space */ | ||
36 | |||
37 | #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ | ||
38 | #define MAP_NONBLOCK 0x10000 /* do not block on IO */ | ||
39 | |||
40 | /* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system | ||
41 | * XXX calls. | ||
42 | */ | ||
43 | |||
44 | /* SunOS sys_mctl() stuff... */ | ||
45 | #define MC_SYNC 1 /* Sync pages in memory with storage (usu. a file) */ | ||
46 | #define MC_LOCK 2 /* Lock pages into core ram, do not allow swapping of them */ | ||
47 | #define MC_UNLOCK 3 /* Unlock pages locked via previous mctl() with MC_LOCK arg */ | ||
48 | #define MC_LOCKAS 5 /* Lock an entire address space of the calling process */ | ||
49 | #define MC_UNLOCKAS 6 /* Unlock entire address space of calling process */ | ||
50 | |||
51 | #define MADV_NORMAL 0x0 /* default page-in behavior */ | ||
52 | #define MADV_RANDOM 0x1 /* page-in minimum required */ | ||
53 | #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ | ||
54 | #define MADV_WILLNEED 0x3 /* pre-fault pages */ | ||
55 | #define MADV_DONTNEED 0x4 /* discard these pages */ | ||
56 | #define MADV_FREE 0x5 /* (Solaris) contents can be freed */ | ||
57 | |||
58 | /* compatibility flags */ | ||
59 | #define MAP_ANON MAP_ANONYMOUS | ||
60 | #define MAP_FILE 0 | ||
61 | |||
62 | #endif /* __SPARC_MMAN_H__ */ | ||