1 files changed, 0 insertions, 89 deletions
diff --git a/StdLib/Include/Arm/machine/lock.h b/StdLib/Include/Arm/machine/lock.h
deleted file mode 100644
index be11a470ab..0000000000
--- a/StdLib/Include/Arm/machine/lock.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*	$NetBSD: lock.h,v 1.7 2005/12/28 19:09:29 perry Exp $	*/
-
-/*-
- * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Jason R. Thorpe.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the NetBSD
- *	Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
- */
-
-/*
- * Machine-dependent spin lock operations.
- *
- * NOTE: The SWP insn used here is available only on ARM architecture
- * version 3 and later (as well as 2a).  What we are going to do is
- * expect that the kernel will trap and emulate the insn.  That will
- * be slow, but give us the atomicity that we need.
- */
-
-#ifndef _ARM_LOCK_H_
-#define	_ARM_LOCK_H_
-
-static __inline int
-__swp(int __val, volatile int *__ptr)
-{
-
-	__asm volatile("swp %0, %1, [%2]"
-	    : "=r" (__val) : "r" (__val), "r" (__ptr) : "memory");
-	return __val;
-}
-
-static __inline void __attribute__((__unused__))
-__cpu_simple_lock_init(__cpu_simple_lock_t *alp)
-{
-
-	*alp = __SIMPLELOCK_UNLOCKED;
-}
-
-static __inline void __attribute__((__unused__))
-__cpu_simple_lock(__cpu_simple_lock_t *alp)
-{
-
-	while (__swp(__SIMPLELOCK_LOCKED, alp) != __SIMPLELOCK_UNLOCKED)
-		continue;
-}
-
-static __inline int __attribute__((__unused__))
-__cpu_simple_lock_try(__cpu_simple_lock_t *alp)
-{
-
-	return (__swp(__SIMPLELOCK_LOCKED, alp) == __SIMPLELOCK_UNLOCKED);
-}
-
-static __inline void __attribute__((__unused__))
-__cpu_simple_unlock(__cpu_simple_lock_t *alp)
-{
-
-	*alp = __SIMPLELOCK_UNLOCKED;
-}
-
-#endif /* _ARM_LOCK_H_ */