| /* | |
| * Copyright (c) 2008, 2025, Oracle and/or its affiliates. All rights reserved. | |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| * | |
| * This code is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License version 2 only, as | |
| * published by the Free Software Foundation. | |
| * | |
| * This code is distributed in the hope that it will be useful, but WITHOUT | |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| * version 2 for more details (a copy is included in the LICENSE file that | |
| * accompanied this code). | |
| * | |
| * You should have received a copy of the GNU General Public License version | |
| * 2 along with this work; if not, write to the Free Software Foundation, | |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| * | |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| * or visit www.oracle.com if you need additional information or have any | |
| * questions. | |
| * | |
| */ | |
| #include "asm/assembler.inline.hpp" | |
| #include "asm/macroAssembler.hpp" | |
| #include "runtime/icache.hpp" | |
| #define __ _masm-> | |
| static int icache_flush(address addr, int lines, int magic) { | |
| __builtin___clear_cache(addr, addr + (lines << ICache::log2_line_size)); | |
| return magic; | |
| } | |
| void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) { | |
| address start = (address)icache_flush; | |
| *flush_icache_stub = (ICache::flush_icache_stub_t)start; | |
| // ICache::invalidate_range() contains explicit condition that the first | |
| // call is invoked on the generated icache flush stub code range. | |
| ICache::invalidate_range(start, 0); | |
| { | |
| // dummy code mark to make the shared code happy | |
| // (fields that would need to be modified to emulate the correct | |
| // mark are not accessible) | |
| StubCodeMark mark(this, "ICache", "fake_stub_for_inlined_icache_flush"); | |
| __ ret(); | |
| } | |
| } | |
| #undef __ |