1/*
2 * Copyright (c) 1999, 2017, 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_VM_OS_LINUX_AARCH64_HPP
27#define OS_CPU_LINUX_AARCH64_VM_OS_LINUX_AARCH64_HPP
28
29  static void setup_fpu();
30  static bool supports_sse();
31
32  static jlong rdtsc();
33
34  static bool is_allocatable(size_t bytes);
35
36  // Used to register dynamic code cache area with the OS
37  // Note: Currently only used in 64 bit Windows implementations
38  static bool register_code_area(char *low, char *high) { return true; }
39
40  // Atomically copy 64 bits of data
41  static void atomic_copy64(const volatile void *src, volatile void *dst) {
42    *(jlong *) dst = *(const jlong *) src;
43  }
44
45#endif // OS_CPU_LINUX_AARCH64_VM_OS_LINUX_AARCH64_HPP
46