From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/arm/lib/csumipv6.S | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 arch/arm/lib/csumipv6.S

(limited to 'arch/arm/lib/csumipv6.S')

diff --git a/arch/arm/lib/csumipv6.S b/arch/arm/lib/csumipv6.S
new file mode 100644
index 000000000..3ac6ef01b
--- /dev/null
+++ b/arch/arm/lib/csumipv6.S
@@ -0,0 +1,33 @@
+/*
+ *  linux/arch/arm/lib/csumipv6.S
+ *
+ *  Copyright (C) 1995-1998 Russell King
+ *
+ * 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/assembler.h>
+
+		.text
+
+ENTRY(__csum_ipv6_magic)
+		str	lr, [sp, #-4]!
+		adds	ip, r2, r3
+		ldmia	r1, {r1 - r3, lr}
+		adcs	ip, ip, r1
+		adcs	ip, ip, r2
+		adcs	ip, ip, r3
+		adcs	ip, ip, lr
+		ldmia	r0, {r0 - r3}
+		adcs	r0, ip, r0
+		adcs	r0, r0, r1
+		adcs	r0, r0, r2
+		ldr	r2, [sp, #4]
+		adcs	r0, r0, r3
+		adcs	r0, r0, r2
+		adcs	r0, r0, #0
+		ldmfd	sp!, {pc}
+ENDPROC(__csum_ipv6_magic)
+
-- 
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