1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2016 SAP SE. All rights reserved. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26#include "runtime/icache.hpp" 27 28// interface (see ICache::flush_icache_stub_t): 29// address addr (Z_R2, ignored) 30// int lines (Z_R3, ignored) 31// int magic (Z_R4) 32// 33// returns: int (Z_R2) 34// 35// Note: z/Architecture doesn't need explicit flushing, so this is implemented as a nop. 36 37// Call c function (which just does nothing). 38int z_flush_icache(address start, int lines, int magic) { return magic; } 39 40void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) { 41 *flush_icache_stub = (ICache::flush_icache_stub_t)z_flush_icache; 42 43 // First call to flush itself. 44 ICache::invalidate_range((address)(*flush_icache_stub), 0); 45}; 46 47