/*

 * Copyright (c) 2008, 2013, 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_ARM_VM_PREFETCH_LINUX_ARM_INLINE_HPP

#define OS_CPU_LINUX_ARM_VM_PREFETCH_LINUX_ARM_INLINE_HPP

#include "runtime/prefetch.hpp"

inline void Prefetch::read (void *loc, intx interval) {

#ifdef AARCH64

  __asm__ volatile ("prfm PLDL1KEEP, [%0]" : : "r" (loc));

#else

#if defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_5TE__)

  __asm__ volatile ("pld [%0]" : : "r" (loc));

#endif

#endif // AARCH64

}

inline void Prefetch::write(void *loc, intx interval) {

#ifdef AARCH64

  __asm__ volatile ("prfm PSTL1KEEP, [%0]" : : "r" (loc));

#else

  // Not available on 32-bit ARM (prior to ARMv7 with MP extensions)

#endif // AARCH64

}

#endif // OS_CPU_LINUX_ARM_VM_PREFETCH_LINUX_ARM_INLINE_HPP