patch-2.3.48 linux/include/asm-mips64/cachectl.h

• Lines: 28
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/include/asm-mips64/cachectl.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/cachectl.h linux/include/asm-mips64/cachectl.h
@@ -0,0 +1,27 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995, 1996, 1999 by Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#ifndef	_ASM_CACHECTL
+#define	_ASM_CACHECTL
+
+/*
+ * 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              */
+
+/*
+ * Caching modes for the cachectl(2) call
+ *
+ * cachctl(2) is currently not supported and returns ENOSYS.
+ */
+#define CACHEABLE	0	/* make pages cacheable */
+#define UNCACHEABLE	1	/* make pages uncacheable */
+
+#endif	/* _ASM_CACHECTL */