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authorIngo Molnar <mingo@elte.hu>2008-08-11 12:57:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 12:57:01 +0200
commit6de9c70882ecdee63a652d493bf2353963bd4c22 (patch)
tree9d219e705492331c97f5f7dccce3b0b1a29251bf /arch/sh/include/asm/cache.h
parentd406d21d90dce2e66c7eb4a44605aac947fe55fb (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
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Merge branch 'linus' into x86/cleanups
Diffstat (limited to 'arch/sh/include/asm/cache.h')
-rw-r--r--arch/sh/include/asm/cache.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
new file mode 100644
index 00000000000..02df18ea960
--- /dev/null
+++ b/arch/sh/include/asm/cache.h
@@ -0,0 +1,51 @@
+/* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $
+ *
+ * include/asm-sh/cache.h
+ *
+ * Copyright 1999 (C) Niibe Yutaka
+ * Copyright 2002, 2003 (C) Paul Mundt
+ */
+#ifndef __ASM_SH_CACHE_H
+#define __ASM_SH_CACHE_H
+#ifdef __KERNEL__
+
+#include <linux/init.h>
+#include <cpu/cache.h>
+
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
+#ifndef __ASSEMBLY__
+struct cache_info {
+ unsigned int ways; /* Number of cache ways */
+ unsigned int sets; /* Number of cache sets */
+ unsigned int linesz; /* Cache line size (bytes) */
+
+ unsigned int way_size; /* sets * line size */
+
+ /*
+ * way_incr is the address offset for accessing the next way
+ * in memory mapped cache array ops.
+ */
+ unsigned int way_incr;
+ unsigned int entry_shift;
+ unsigned int entry_mask;
+
+ /*
+ * Compute a mask which selects the address bits which overlap between
+ * 1. those used to select the cache set during indexing
+ * 2. those in the physical page number.
+ */
+ unsigned int alias_mask;
+
+ unsigned int n_aliases; /* Number of aliases */
+
+ unsigned long flags;
+};
+
+int __init detect_cpu_and_cache_system(void);
+
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_CACHE_H */