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1 | /* $Id: mman.h,v 1.2 2000/03/15 02:44:26 davem Exp $ */ |
2 | #ifndef __SPARC64_MMAN_H__ | |
3 | #define __SPARC64_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 */ | |
f6b3ec23 | 57 | #define MADV_REMOVE 0x6 /* remove these pages & resources */ |
1da177e4 LT |
58 | |
59 | /* compatibility flags */ | |
60 | #define MAP_ANON MAP_ANONYMOUS | |
61 | #define MAP_FILE 0 | |
62 | ||
63 | #endif /* __SPARC64_MMAN_H__ */ |