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authorChris Metcalf <cmetcalf@tilera.com>2010-06-25 17:03:27 -0400
committerChris Metcalf <cmetcalf@tilera.com>2010-07-06 13:41:46 -0400
commitc78095bd8c77fca2619769ff8efb639fd100e373 (patch)
tree9841462486a97a3733f0e5b789e8f6dce47ca62f /arch/tile/lib/cacheflush.c
parent2db098278118ed58f4b407ceda691e349df043ce (diff)
arch/tile: Split the icache flush code off to a generic <arch> header.
This code is used in other places in our system than in Linux, so to share it we now implement it as an inline function in our low-level <arch> headers, and instantiate it in one file in Linux's arch/tile/lib. The file is now cacheflush.c and is C code rather than the strangely-named and assembler-implemented __invalidate_icache.S. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/tile/lib/cacheflush.c')
-rw-r--r--arch/tile/lib/cacheflush.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/tile/lib/cacheflush.c b/arch/tile/lib/cacheflush.c
new file mode 100644
index 000000000000..11b6164c2097
--- /dev/null
+++ b/arch/tile/lib/cacheflush.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for
+ * more details.
+ */
+
+#include <asm/page.h>
+#include <asm/cacheflush.h>
+#include <arch/icache.h>
+
+
+void __flush_icache_range(unsigned long start, unsigned long end)
+{
+ invalidate_icache((const void *)start, end - start, PAGE_SIZE);
+}