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/*
* 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 "assembler_aarch64.inline.hpp"
#include "runtime/icache.hpp"
extern void aarch64TestHook();
#define __ _masm->
int _flush_icache_stub_dummy(address addr, int lines, int magic)
{
return magic;
}
void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {
aarch64TestHook();
#if 0
// TODO -- this is just dummy code to get us bootstrapped far enough
// to be able to test the Assembler.
// we have to put come code into the buffer because the flush routine checks
// that the first flush is for the current start address
// the mark here ensures that the flush routine gets called on the way out
StubCodeMark mark(this, "ICache", "flush_icache_stub");
address start = __ pc();
// generate more than 8 nops and then copy 8 words of the dummy x86 code
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
__ nop();
address dummy = (address)_flush_icache_stub_dummy;
memcpy(start, dummy, 8 * BytesPerWord);
*flush_icache_stub = (ICache::flush_icache_stub_t)start;
#endif
Unimplemented();
}
#undef __
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