1 #ifndef __X8664_MMAN_H__
2 #define __X8664_MMAN_H__
3 
4 #define PROT_READ	0x1		/* page can be read */
5 #define PROT_WRITE	0x2		/* page can be written */
6 #define PROT_EXEC	0x4		/* page can be executed */
7 #define PROT_NONE	0x0		/* page can not be accessed */
8 
9 #define MAP_SHARED	0x01		/* Share changes */
10 #define MAP_PRIVATE	0x02		/* Changes are private */
11 #define MAP_TYPE	0x0f		/* Mask for type of mapping */
12 #define MAP_FIXED	0x10		/* Interpret addr exactly */
13 #define MAP_ANONYMOUS	0x20		/* don't use a file */
14 #define MAP_32BIT	0x40		/* only give out 32bit addresses */
15 
16 #define MAP_GROWSDOWN	0x0100		/* stack-like segment */
17 #define MAP_DENYWRITE	0x0800		/* ETXTBSY */
18 #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
19 #define MAP_LOCKED	0x2000		/* pages are locked */
20 #define MAP_NORESERVE	0x4000		/* don't check for reservations */
21 
22 #define MS_ASYNC	1		/* sync memory asynchronously */
23 #define MS_INVALIDATE	2		/* invalidate the caches */
24 #define MS_SYNC		4		/* synchronous memory sync */
25 
26 #define MCL_CURRENT	1		/* lock all current mappings */
27 #define MCL_FUTURE	2		/* lock all future mappings */
28 
29 #define MADV_NORMAL	0x0		/* default page-in behavior */
30 #define MADV_RANDOM	0x1		/* page-in minimum required */
31 #define MADV_SEQUENTIAL	0x2		/* read-ahead aggressively */
32 #define MADV_WILLNEED	0x3		/* pre-fault pages */
33 #define MADV_DONTNEED	0x4		/* discard these pages */
34 
35 /* compatibility flags */
36 #define MAP_ANON	MAP_ANONYMOUS
37 #define MAP_FILE	0
38 
39 #endif
40