--- /dev/null 2014-11-19 12:19:41.930000000 -0500 +++ new/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.hpp 2015-01-02 08:29:54.599196819 -0500 @@ -0,0 +1,44 @@ +/* + * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef OS_CPU_LINUX_AARCH64_VM_OS_LINUX_AARCH64_HPP +#define OS_CPU_LINUX_AARCH64_VM_OS_LINUX_AARCH64_HPP + + static void setup_fpu(); + static bool supports_sse(); + + static jlong rdtsc(); + + static bool is_allocatable(size_t bytes); + + // Used to register dynamic code cache area with the OS + // Note: Currently only used in 64 bit Windows implementations + static bool register_code_area(char *low, char *high) { return true; } + + // Atomically copy 64 bits of data + static void atomic_copy64(volatile void *src, volatile void *dst) { + *(jlong *) dst = *(jlong *) src; + } + +#endif // OS_CPU_LINUX_AARCH64_VM_OS_LINUX_AARCH64_HPP