From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 arch/sparc/lib/ipcsum.S | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 arch/sparc/lib/ipcsum.S

(limited to 'arch/sparc/lib/ipcsum.S')

diff --git a/arch/sparc/lib/ipcsum.S b/arch/sparc/lib/ipcsum.S
new file mode 100644
index 00000000..58ca5b9a
--- /dev/null
+++ b/arch/sparc/lib/ipcsum.S
@@ -0,0 +1,34 @@
+	.text
+	.align	32
+	.globl	ip_fast_csum
+	.type	ip_fast_csum,#function
+ip_fast_csum:	/* %o0 = iph, %o1 = ihl */
+	sub	%o1, 4, %g7
+	lduw	[%o0 + 0x00], %o2
+	lduw	[%o0 + 0x04], %g2
+	lduw	[%o0 + 0x08], %g3
+	addcc	%g2, %o2, %o2
+	lduw	[%o0 + 0x0c], %g2
+	addccc	%g3, %o2, %o2
+	lduw	[%o0 + 0x10], %g3
+
+	addccc	%g2, %o2, %o2
+	addc	%o2, %g0, %o2
+1:	addcc	%g3, %o2, %o2
+	add	%o0, 4, %o0
+	addccc	%o2, %g0, %o2
+	subcc	%g7, 1, %g7
+	be,a,pt	%icc, 2f
+	 sll	%o2, 16, %g2
+
+	lduw	[%o0 + 0x10], %g3
+	ba,pt	%xcc, 1b
+	 nop
+2:	addcc	%o2, %g2, %g2
+	srl	%g2, 16, %o2
+	addc	%o2, %g0, %o2
+	xnor	%g0, %o2, %o2
+	set	0xffff, %o1
+	retl
+	 and	%o2, %o1, %o0
+	.size	ip_fast_csum, .-ip_fast_csum
-- 
cgit