[src/trunk]: src/sys/external/bsd/drm2/include/linux prefetchw stub

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2d861e65de13
branches:  trunk
changeset: 1028059:2d861e65de13
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 01:45:30 2021 +0000

description:
prefetchw stub

diffstat:

 sys/external/bsd/drm2/include/linux/prefetch.h |  41 ++++++++++++++++++++++++++
 1 files changed, 41 insertions(+), 0 deletions(-)

diffs (45 lines):

diff -r f67791e82362 -r 2d861e65de13 sys/external/bsd/drm2/include/linux/prefetch.h
--- a/sys/external/bsd/drm2/include/linux/prefetch.h    Sun Dec 19 01:45:23 2021 +0000
+++ b/sys/external/bsd/drm2/include/linux/prefetch.h    Sun Dec 19 01:45:30 2021 +0000
@@ -0,0 +1,41 @@
+/*     $NetBSD: prefetch.h,v 1.2 2021/12/19 01:45:30 riastradh Exp $   */
+
+/*-
+ * Copyright (c) 2018 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Taylor R. Campbell.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#ifndef        _LINUX_PREFETCH_H_
+#define        _LINUX_PREFETCH_H_
+
+static inline void
+prefetchw(void *p)
+{
+       /* XXX __builtin_prefetch, x86 prefetchw */
+}
+
+#endif /* _LINUX_PREFETCH_H_ */