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 31 class 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 };