1 /*
   2  * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
   4  * Copyright (c) 2015, Linaro Ltd. All rights reserved.
   5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   6  *
   7  * This code is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 only, as
   9  * published by the Free Software Foundation.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  *
  25  */
  26 
  27 #ifndef OS_CPU_LINUX_AARCH32_VM_OS_LINUX_AARCH32_HPP
  28 #define OS_CPU_LINUX_AARCH32_VM_OS_LINUX_AARCH32_HPP
  29 
  30   static void setup_fpu();
  31   static bool supports_sse();
  32 
  33   static jlong rdtsc();
  34 
  35   static bool is_allocatable(size_t bytes);
  36 
  37   // Used to register dynamic code cache area with the OS
  38   // Note: Currently only used in 64 bit Windows implementations
  39   static bool register_code_area(char *low, char *high) { return true; }
  40 
  41   // Atomically copy 64 bits of data
  42   static void atomic_copy64(const volatile void *src, volatile void *dst) {
  43     *(jlong *) dst = *(const jlong *) src;
  44   }
  45 
  46 #endif // OS_CPU_LINUX_AARCH32_VM_OS_LINUX_AARCH32_HPP