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/cris/arch-v32/lib/spinlock.S | 40 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 arch/cris/arch-v32/lib/spinlock.S

(limited to 'arch/cris/arch-v32/lib/spinlock.S')

diff --git a/arch/cris/arch-v32/lib/spinlock.S b/arch/cris/arch-v32/lib/spinlock.S
new file mode 100644
index 00000000..fe610b9d
--- /dev/null
+++ b/arch/cris/arch-v32/lib/spinlock.S
@@ -0,0 +1,40 @@
+;; Core of the spinlock implementation
+;;
+;; Copyright (C) 2004 Axis Communications AB.
+;;
+;; Author: Mikael Starvik
+
+
+	.global cris_spin_lock
+	.type   cris_spin_lock,@function
+	.global cris_spin_trylock
+	.type   cris_spin_trylock,@function
+
+	.text
+
+cris_spin_lock:
+	clearf	p
+1:	test.b	[$r10]
+	beq	1b
+	clearf	p
+	ax
+	clear.b [$r10]
+	bcs     1b
+	clearf	p
+	ret
+	nop
+
+	.size   cris_spin_lock, . - cris_spin_lock
+
+cris_spin_trylock:
+	clearf	p
+1:	move.b	[$r10], $r11
+	ax
+	clear.b [$r10]
+        bcs	1b
+        clearf	p
+	ret
+	movu.b	$r11,$r10
+
+	.size   cris_spin_trylock, . - cris_spin_trylock
+
-- 
cgit