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-rw-r--r--lib/libkse/arch/amd64/include/atomic_ops.h57
1 files changed, 0 insertions, 57 deletions
diff --git a/lib/libkse/arch/amd64/include/atomic_ops.h b/lib/libkse/arch/amd64/include/atomic_ops.h
deleted file mode 100644
index 0ac3b1c..0000000
--- a/lib/libkse/arch/amd64/include/atomic_ops.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*-
- * Copyright (c) 2001 Daniel Eischen <deischen@FreeBSD.org>
- * All rights reserved.
- *
- * 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. Neither the name of the author 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 AUTHOR 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 AUTHOR 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.
- *
- * $FreeBSD$
- */
-
-#ifndef _ATOMIC_OPS_H_
-#define _ATOMIC_OPS_H_
-
-/*
- * Atomic swap:
- * Atomic (tmp = *dst, *dst = val), then *res = tmp
- *
- * void atomic_swap64(intptr_t *dst, intptr_t val, intptr_t *res);
- */
-static inline void
-atomic_swap64(volatile intptr_t *dst, intptr_t val, intptr_t *res)
-{
- __asm __volatile(
- "xchgq %2, %1; movq %2, %0"
- : "=m" (*res) : "m" (*dst), "r" (val) : "memory");
-}
-
-static inline void
-atomic_swap_int(volatile int *dst, int val, int *res)
-{
- __asm __volatile(
- "xchgl %2, %1; movl %2, %0"
- : "=m" (*res) : "m" (*dst), "r" (val) : "memory");
-}
-
-#define atomic_swap_ptr(d, v, r) \
- atomic_swap64((volatile intptr_t *)(d), (intptr_t)(v), (intptr_t *)(r))
-
-#endif
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