1 /*
2 * Copyright (c) 1997, 2018, 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 "precompiled.hpp"
26 #include "jvm.h"
27 #include "asm/macroAssembler.inline.hpp"
28 #include "logging/log.hpp"
29 #include "logging/logStream.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "oops/compressedOops.hpp"
32 #include "runtime/java.hpp"
33 #include "runtime/os.hpp"
34 #include "runtime/stubCodeGenerator.hpp"
35 #include "vm_version_sparc.hpp"
36
37 #include <sys/mman.h>
38
39 uint VM_Version::_L2_data_cache_line_size = 0;
40
41 void VM_Version::initialize() {
42 assert(_features != 0, "System pre-initialization is not complete.");
43 guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
44
45 PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes();
46 PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes();
47 PrefetchFieldsAhead = prefetch_fields_ahead();
48
49 // Allocation prefetch settings
50
51 AllocatePrefetchDistance = allocate_prefetch_distance();
52 AllocatePrefetchStyle = allocate_prefetch_style();
53
54 intx cache_line_size = prefetch_data_size();
55
|
1 /*
2 * Copyright (c) 1997, 2019, 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 "precompiled.hpp"
26 #include "jvm.h"
27 #include "asm/macroAssembler.inline.hpp"
28 #include "logging/log.hpp"
29 #include "logging/logStream.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "oops/compressedOops.hpp"
32 #include "runtime/java.hpp"
33 #include "runtime/os.hpp"
34 #include "runtime/stubCodeGenerator.hpp"
35 #include "runtime/vm_version.hpp"
36
37 #include <sys/mman.h>
38
39 uint VM_Version::_L2_data_cache_line_size = 0;
40
41 void VM_Version::initialize() {
42 assert(_features != 0, "System pre-initialization is not complete.");
43 guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
44
45 PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes();
46 PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes();
47 PrefetchFieldsAhead = prefetch_fields_ahead();
48
49 // Allocation prefetch settings
50
51 AllocatePrefetchDistance = allocate_prefetch_distance();
52 AllocatePrefetchStyle = allocate_prefetch_style();
53
54 intx cache_line_size = prefetch_data_size();
55
|