patch-2.1.44 linux/include/asm-mips/cachectl.h

• Lines: 45
• Date: Thu Jun 26 12:33:39 1997
• Orig file: v2.1.43/linux/include/asm-mips/cachectl.h
• Orig date: Wed Dec 13 02:39:45 1995

diff -u --recursive --new-file v2.1.43/linux/include/asm-mips/cachectl.h linux/include/asm-mips/cachectl.h
@@ -1,37 +1,24 @@
 /*
- * include/asm-mips/cachectl.h
+ * cachectl.h -- defines for MIPS cache control system calls
  *
- * Written by Ralf Baechle,
- * Copyright (C) 1994 by Waldorf GMBH
+ * Copyright (C) 1994, 1995, 1996 by Ralf Baechle
  */
 #ifndef	__ASM_MIPS_CACHECTL
 #define	__ASM_MIPS_CACHECTL
 
 /*
- * cachectl.h -- defines for MIPS cache control system calls
- */
-
-/*
  * Options for cacheflush system call
  */
 #define	ICACHE	(1<<0)		/* flush instruction cache        */
 #define	DCACHE	(1<<1)		/* writeback and flush data cache */
 #define	BCACHE	(ICACHE|DCACHE)	/* flush both caches              */
 
-#ifdef __KERNEL__
-#define CACHELINES      512	/* number of cachelines (kludgy)  */
-
 /*
- * Cache Operations - for use by assembler code
+ * Caching modes for the cachectl(2) call
+ *
+ * cachctl(2) is currently not supported and returns ENOSYS.
  */
-#define Index_Invalidate_I      0x00
-#define Index_Writeback_Inv_D   0x01
-#define Index_Load_Tag_D        0x05
-
-#ifndef __LANGUAGE_ASSEMBLY__
-
-extern int sys_cacheflush(void *addr, int nbytes, int cache);
+#define CACHEABLE	0	/* make pages cacheable */
+#define UNCACHEABLE	1	/* make pages uncacheable */
 
-#endif /* !__LANGUAGE_ASSEMBLY__ */
-#endif   /* __KERNEL__ */
 #endif	/* __ASM_MIPS_CACHECTL */