From 37da2899f40661e3e9631e497da8dc59b971cbd0 Mon Sep 17 00:00:00 2001
From: "Charles.Forsyth" <devnull@localhost>
Date: Fri, 22 Dec 2006 17:07:39 +0000
Subject: 20060303a

---
 lib9/lock-MacOSX-power.s | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 lib9/lock-MacOSX-power.s

(limited to 'lib9/lock-MacOSX-power.s')

diff --git a/lib9/lock-MacOSX-power.s b/lib9/lock-MacOSX-power.s
new file mode 100644
index 00000000..d5e15d4d
--- /dev/null
+++ b/lib9/lock-MacOSX-power.s
@@ -0,0 +1,16 @@
+#include <architecture/ppc/asm_help.h>
+
+LEAF(__tas)
+	sync
+	mr	r4,r3
+	addi    r5,0,0x1
+1:
+	lwarx	r3,0,r4
+	cmpwi   r3,0x0
+	bne-    2f
+	stwcx.	r5,0,r4
+	bne-    1b		/* Lost reservation, try again */
+2:
+	sync
+	blr
+END(__tas)
-- 
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