/*

 * Copyright (c) 1997, 2010, 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.

 *

 */

#include "precompiled.hpp"

#include "asm/macroAssembler.inline.hpp"

#include "runtime/icache.hpp"

#define __ _masm->

void ICacheStubGenerator::generate_icache_flush(

  ICache::flush_icache_stub_t* flush_icache_stub

) {

  StubCodeMark mark(this, "ICache", "flush_icache_stub");

  address start = __ pc();

  Label L;

  __ bind(L);

  __ flush( O0, G0 );

  __ deccc( O1 );

  __ br(Assembler::positive, false, Assembler::pn, L);

  __ delayed()->inc( O0, 8 );

  __ retl(false);

  __ delayed()->mov( O2, O0 ); // handshake with caller to make sure it happened!

  // Must be set here so StubCodeMark destructor can call the flush stub.

  *flush_icache_stub = (ICache::flush_icache_stub_t)start;

};

#undef __