1 /*
2 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
27 #define OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
28
29 #include "runtime/prefetch.hpp"
30
31
read(void * loc,intx interval)32 inline void Prefetch::read (void *loc, intx interval) {
33 if (interval >= 0)
34 asm("prfm PLDL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
35 }
36
write(void * loc,intx interval)37 inline void Prefetch::write(void *loc, intx interval) {
38 if (interval >= 0)
39 asm("prfm PSTL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
40 }
41
42 #endif // OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
43