--- src/hotspot/os_cpu/bsd_ppc/vm_version_bsd_ppc.cpp.orig 2026-09-03 11:42:54 UTC +++ src/hotspot/os_cpu/bsd_ppc/vm_version_bsd_ppc.cpp @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2026, Piotr Kubaj. 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 "runtime/vm_version.hpp" + +#include +#include + +// FreeBSD exposes a single PPC coherency block size covering both caches. +static int cacheline_size() { + int size = 0; + size_t len = sizeof(size); + if (sysctlbyname("machdep.cacheline_size", &size, &len, nullptr, 0) != 0 || size <= 0) { + return DEFAULT_CACHE_LINE_SIZE; + } + return size; +} + +int VM_Version::get_dcache_line_size() { + return cacheline_size(); +} + +int VM_Version::get_icache_line_size() { + return cacheline_size(); +}