--- /dev/null
+/* -------------------------------------------------------------- */
+/* (C)Copyright 2001,2007, */
+/* International Business Machines Corporation, */
+/* Sony Computer Entertainment, Incorporated, */
+/* Toshiba Corporation, */
+/* */
+/* All Rights Reserved. */
+/* */
+/* Redistribution and use in source and binary forms, with or */
+/* without modification, are permitted provided that the */
+/* following conditions are met: */
+/* */
+/* - Redistributions of source code must retain the above copyright*/
+/* notice, this list of conditions and the following disclaimer. */
+/* */
+/* - Redistributions in binary form must reproduce the above */
+/* copyright notice, this list of conditions and the following */
+/* disclaimer in the documentation and/or other materials */
+/* provided with the distribution. */
+/* */
+/* - Neither the name of IBM Corporation nor the names of its */
+/* contributors may be used to endorse or promote products */
+/* derived from this software without specific prior written */
+/* permission. */
+/* */
+/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
+/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */
+/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
+/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
+/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */
+/* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
+/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT */
+/* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
+/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) */
+/* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
+/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR */
+/* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
+/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
+/* -------------------------------------------------------------- */
+/* PROLOG END TAG zYx */
+
+#ifndef _PPU_WAIT_FOR_COMPLETION_H_
+#define _PPU_WAIT_FOR_COMPLETION_H_
+
+#include <ppu_intrinsics.h>
+#include "sync_utils.h"
+#include "completion.h"
+
+
+/**
+ * completion_wait - wait until a completion is broadcast.
+ * @comp: handle to effective address of completion variable.
+ *
+ * Description: Wait until another processor or device signals
+ * that a completionition is 'true'. The only restriction here is
+ * that @comp must be a word aligned address.
+ *
+ * Beware: This function hot polls waiting for completion.
+ */
+static __inline void _wait_for_completion(completion_ea_t comp)
+{
+ int val;
+ void *p;
+
+ SYNC_ULL_TO_PTR(comp, p);
+
+ do {
+ val = (int)__lwarx(p);
+ if (val != 1) val = (int)__stwcx(p, (unsigned int)0);
+ } while (val == 0);
+ __isync();
+}
+
+
+#endif /* _PPU_WAIT_FOR_COMPLETION_H_ */