icache_sparc.cpp revision 0:a61af66fc99e 
1/*
2 * Copyright 1997-2004 Sun Microsystems, Inc.  All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25#include "incls/_precompiled.incl"
26#include "incls/_icache_sparc.cpp.incl"
27
28#define __ _masm->
29
30void ICacheStubGenerator::generate_icache_flush(
31  ICache::flush_icache_stub_t* flush_icache_stub
32) {
33  StubCodeMark mark(this, "ICache", "flush_icache_stub");
34  address start = __ pc();
35
36  Label L;
37  __ bind(L);
38  __ flush( O0, G0 );
39  __ deccc( O1 );
40  __ br(Assembler::positive, false, Assembler::pn, L);
41  __ delayed()->inc( O0, 8 );
42  __ retl(false);
43  __ delayed()->mov( O2, O0 ); // handshake with caller to make sure it happened!
44
45  // Must be set here so StubCodeMark destructor can call the flush stub.
46  *flush_icache_stub = (ICache::flush_icache_stub_t)start;
47};
48
49#undef __
50