|  | /* $Id: mman.h,v 1.2 2000/03/15 02:44:26 davem Exp $ */ | 
|  | #ifndef __SPARC64_MMAN_H__ | 
|  | #define __SPARC64_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 /* __SPARC64_MMAN_H__ */ |