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-rw-r--r--include/asm-m32r/cachectl.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-m32r/cachectl.h b/include/asm-m32r/cachectl.h
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+++ b/include/asm-m32r/cachectl.h
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+/*
+ * cachectl.h -- defines for M32R cache control system calls
+ *
+ * Copyright (C) 2003 by Kazuhiro Inaoka
+ */
+#ifndef __ASM_M32R_CACHECTL
+#define __ASM_M32R_CACHECTL
+
+/*
+ * Options for cacheflush system call
+ *
+ * cacheflush() is currently fluch_cache_all().
+ */
+#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
+ *
+ * cachectl(2) is currently not supported and returns ENOSYS.
+ */
+#define CACHEABLE 0 /* make pages cacheable */
+#define UNCACHEABLE 1 /* make pages uncacheable */
+
+#endif /* __ASM_M32R_CACHECTL */