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-rw-r--r--arch/avr32/mm/clear_page.S25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/avr32/mm/clear_page.S b/arch/avr32/mm/clear_page.S
new file mode 100644
index 00000000000..5d70dca0069
--- /dev/null
+++ b/arch/avr32/mm/clear_page.S
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+#include <asm/page.h>
+
+/*
+ * clear_page
+ * r12: P1 address (to)
+ */
+ .text
+ .global clear_page
+clear_page:
+ sub r9, r12, -PAGE_SIZE
+ mov r10, 0
+ mov r11, 0
+0: st.d r12++, r10
+ cp r12, r9
+ brne 0b
+ mov pc, lr