/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * Copyright (c) 2016 SAP SE. 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 CPU_S390_VM_ICACHE_S390_HPP

#define CPU_S390_VM_ICACHE_S390_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:

  enum {

    stub_size      = 0,   // Size of the icache flush stub in bytes.

    line_size      = 2,   // There is no explicit flushing on z/Architecture.

                          // This value is ignored by the flush stub (a nop !).

    log2_line_size = 1

  };

  // Use default implementation.

};

#endif // CPU_S390_VM_ICACHE_S390_HPP