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authorDavid S. Miller <davem@sunset.davemloft.net>2007-11-16 03:06:07 -0800
committerDavid S. Miller <davem@davemloft.net>2008-02-09 04:17:37 -0800
commitd113fcd9cf807045e38998a60b4f4577c927c300 (patch)
tree6a8b37866eb189d769aa345ac012f754f4ee5dc5
parentf610bbc6accaacdf46501208178ff77c4422587a (diff)
[SPARC]: Merge asm-sparc{,64}/cache.h
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/kernel/vmlinux.lds.S4
-rw-r--r--include/asm-sparc/cache.h21
-rw-r--r--include/asm-sparc64/cache.h19
3 files changed, 20 insertions, 24 deletions
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 216147d6e61..b1002c60719 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -89,6 +89,10 @@ SECTIONS
.data.cacheline_aligned : {
*(.data.cacheline_aligned)
}
+ . = ALIGN(32);
+ .data.read_mostly : {
+ *(.data.read_mostly)
+ }
__bss_start = .;
.sbss : {
diff --git a/include/asm-sparc/cache.h b/include/asm-sparc/cache.h
index cb971e88aea..41f85ae4bd4 100644
--- a/include/asm-sparc/cache.h
+++ b/include/asm-sparc/cache.h
@@ -1,20 +1,28 @@
-/* $Id: cache.h,v 1.9 1999/08/14 03:51:58 anton Exp $
- * cache.h: Cache specific code for the Sparc. These include flushing
+/* cache.h: Cache specific code for the Sparc. These include flushing
* and direct tag/data line access.
*
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
*/
#ifndef _SPARC_CACHE_H
#define _SPARC_CACHE_H
-#include <asm/asi.h>
-
#define L1_CACHE_SHIFT 5
#define L1_CACHE_BYTES 32
#define L1_CACHE_ALIGN(x) ((((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)))
-#define SMP_CACHE_BYTES 32
+#ifdef CONFIG_SPARC32
+#define SMP_CACHE_BYTES_SHIFT 5
+#else
+#define SMP_CACHE_BYTES_SHIFT 6
+#endif
+
+#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
+
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
+#ifdef CONFIG_SPARC32
+#include <asm/asi.h>
/* Direct access to the instruction cache is provided through and
* alternate address space. The IDC bit must be off in the ICCR on
@@ -125,5 +133,6 @@ static inline void flush_ei_user(unsigned int addr)
"r" (addr), "i" (ASI_M_FLUSH_USER) :
"memory");
}
+#endif /* CONFIG_SPARC32 */
#endif /* !(_SPARC_CACHE_H) */
diff --git a/include/asm-sparc64/cache.h b/include/asm-sparc64/cache.h
index e9df17acedd..fa9de5cadbf 100644
--- a/include/asm-sparc64/cache.h
+++ b/include/asm-sparc64/cache.h
@@ -1,18 +1 @@
-/*
- * include/asm-sparc64/cache.h
- */
-#ifndef __ARCH_SPARC64_CACHE_H
-#define __ARCH_SPARC64_CACHE_H
-
-/* bytes per L1 cache line */
-#define L1_CACHE_SHIFT 5
-#define L1_CACHE_BYTES 32 /* Two 16-byte sub-blocks per line. */
-
-#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
-
-#define SMP_CACHE_BYTES_SHIFT 6
-#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT) /* L2 cache line size. */
-
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
-
-#endif
+#include <asm-sparc/cache.h>