From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/avr32/lib/io-readsl.S | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 arch/avr32/lib/io-readsl.S

(limited to 'arch/avr32/lib/io-readsl.S')

diff --git a/arch/avr32/lib/io-readsl.S b/arch/avr32/lib/io-readsl.S
new file mode 100644
index 00000000..b103511e
--- /dev/null
+++ b/arch/avr32/lib/io-readsl.S
@@ -0,0 +1,24 @@
+/*
+ * 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.
+ */
+
+	.global	__raw_readsl
+	.type	__raw_readsl,@function
+__raw_readsl:
+	cp.w	r10, 0
+	reteq	r12
+
+	/*
+	 * If r11 isn't properly aligned, we might get an exception on
+	 * some implementations. But there's not much we can do about it.
+	 */
+1:	ld.w	r8, r12[0]
+	sub	r10, 1
+	st.w	r11++, r8
+	brne	1b
+
+	retal	r12
-- 
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