Initial hppa64 code drop; not finished yet, but this at least allows us to

build stuff.

ok deraadt@

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/libpthread/arch/hppa64/_atomic_lock.c b/lib/libpthread/arch/hppa64/_atomic_lock.c
new file mode 100644
index 00000000000..3fbd67cf82c
--- /dev/null
+++ b/lib/libpthread/arch/hppa64/_atomic_lock.c
@@ -0,0 +1,15 @@
+/*	$OpenBSD: _atomic_lock.c,v 1.1 2011/08/04 14:23:36 kettenis Exp $	*/
+/*
+ * Atomic lock for hppa
+ */
+#include "spinlock.h"
+
+int
+_atomic_lock(volatile register_t *lock)
+{
+	register register_t old;
+
+	__asm__("ldcws 0(%1), %0" : "=r" (old): "r" (lock));
+
+	return (old == _SPINLOCK_LOCKED);
+}