1 /* 2 * Copyright (c) 1997, 2004, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "incls/_precompiled.incl" 26 #include "incls/_icache_sparc.cpp.incl" 27 28 #define __ _masm-> 29 30 void 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 __