icache_aarch64.hpp

/*
 * Copyright (c) 2013, Red Hat Inc.
 * Copyright (c) 1997, 2010, Oracle and/or its affiliates.
 * All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * published by the Free Software Foundation.
 *
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 * 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.
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#ifndef CPU_AARCH64_VM_ICACHE_AARCH64_HPP
#define CPU_AARCH64_VM_ICACHE_AARCH64_HPP

// Interface for updating the instruction cache.  Whenever the VM
// modifies code, part of the processor instruction cache potentially
// has to be flushed.

class ICache : public AbstractICache {
 public:
  static void initialize();
  static void invalidate_word(address addr) {
    __clear_cache((char *)addr, (char *)(addr + 3));
  }
  static void invalidate_range(address start, int nbytes) {
    __clear_cache((char *)start, (char *)(start + nbytes));
  }
};

#endif // CPU_AARCH64_VM_ICACHE_AARCH64_HPP