home *** CD-ROM | disk | FTP | other *** search
- #ifndef __SYS_CACHECTL_H__
- #define __SYS_CACHECTL_H__
- /**************************************************************************
- * *
- * Copyright (C) 1990, Silicon Graphics, Inc. *
- * *
- * These coded instructions, statements, and computer programs contain *
- * unpublished proprietary information of Silicon Graphics, Inc., and *
- * are protected by Federal copyright law. They may not be disclosed *
- * to third parties or copied or duplicated in any form, in whole or *
- * in part, without the prior written consent of Silicon Graphics, Inc. *
- * *
- **************************************************************************/
- /* --------------------------------------------------- */
- /* | Copyright (c) 1986 MIPS Computer Systems, Inc. | */
- /* | All Rights Reserved. | */
- /* --------------------------------------------------- */
-
- #ident "$Revision: 1.9 $"
-
- /*
- * cachectl.h -- defines for MIPS cache control system calls
- */
-
- /*
- * Options for cacheflush system call
- */
- #define ICACHE 0x1 /* flush i cache */
- #define DCACHE 0x2 /* flush d cache */
- #define BCACHE (ICACHE|DCACHE) /* flush both caches */
-
- /*
- * Options for cachectl system call
- */
- #define CACHEABLE 0 /* make page(s) cacheable */
- #define UNCACHEABLE 1 /* make page(s) uncacheable */
-
- /* The IP17 tracks the number of errors in tags and data for each of the
- * caches, and provides a syssgi() call to allow cmd/ecc to fetch them
- * for display. */
- #define ECC_ERR_TYPES 8
- enum ecc_err_types { PI_DERRS = 0, PI_TERRS, PD_DERRS, PD_TERRS,
- SC_DERRS, SC_TERRS, SYSAD_ERRS, NO_ERROR };
-
- #ifndef _KERNEL
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- extern int cachectl(void *, int, int);
- extern int cacheflush(void *, int, int);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* _KERNEL */
- #endif /* __SYS_CACHECTL_H__ */
-