Quelle icache_arm.hpp

Sprache: C

/*
* Copyright (c) 2008, 2019, 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
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*
* 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).
*
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* 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_ARM_ICACHE_ARM_HPP
#define CPU_ARM_ICACHE_ARM_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      = 32,                // Size of the icache flush stub in bytes
    line_size      = BytesPerWord,      // conservative
    log2_line_size = LogBytesPerWord    // log2(line_size)
  };
};

#endif // CPU_ARM_ICACHE_ARM_HPP

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