icache_zero.hpp revision 1010:354d3184f6b2 
1/*
2 * Copyright 2003-2004 Sun Microsystems, Inc.  All Rights Reserved.
3 * Copyright 2007, 2009 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 */
25
26// Interface for updating the instruction cache.  Whenever the VM
27// modifies code, part of the processor instruction cache potentially
28// has to be flushed.  This implementation is empty: Zero never deals
29// with code, and LLVM handles cache flushing for Shark.
30
31class ICache : public AbstractICache {
32 public:
33  static void initialize() {}
34  static void invalidate_word(address addr) {}
35  static void invalidate_range(address start, int nbytes) {}
36};
37