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1 /*
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2 * Copyright 1997-2004 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 #include "incls/_precompiled.incl"
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26 #include "incls/_icache_sparc.cpp.incl"
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27
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28 #define __ _masm->
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29
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30 void ICacheStubGenerator::generate_icache_flush(
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31 ICache::flush_icache_stub_t* flush_icache_stub
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32 ) {
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33 StubCodeMark mark(this, "ICache", "flush_icache_stub");
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34 address start = __ pc();
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35
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36 Label L;
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37 __ bind(L);
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38 __ flush( O0, G0 );
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39 __ deccc( O1 );
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40 __ br(Assembler::positive, false, Assembler::pn, L);
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41 __ delayed()->inc( O0, 8 );
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42 __ retl(false);
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43 __ delayed()->mov( O2, O0 ); // handshake with caller to make sure it happened!
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44
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45 // Must be set here so StubCodeMark destructor can call the flush stub.
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46 *flush_icache_stub = (ICache::flush_icache_stub_t)start;
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47 };
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48
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49 #undef __
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