1 /*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. 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 #ifndef CPU_AARCH64_VM_COPY_AARCH64_HPP
27 #define CPU_AARCH64_VM_COPY_AARCH64_HPP
28
29 // Inline functions for memory copy and fill.
30
31 // Contains inline asm implementations
32 #ifdef TARGET_OS_ARCH_linux_aarch64
33 # include "copy_linux_aarch64.inline.hpp"
34 #endif
35
36
37 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
38 julong* to = (julong*) tohw;
39 julong v = ((julong) value << 32) | value;
40 while (count-- > 0) {
41 *to++ = v;
42 }
43 }
44
45 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
46 pd_fill_to_words(tohw, count, value);
47 }
48
49 static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
50 (void)memset(to, value, count);
51 }
52
53 static void pd_zero_to_words(HeapWord* tohw, size_t count) {
54 pd_fill_to_words(tohw, count, 0);
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1 /*
2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. 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 #ifndef CPU_AARCH64_VM_COPY_AARCH64_HPP
27 #define CPU_AARCH64_VM_COPY_AARCH64_HPP
28
29 // Inline functions for memory copy and fill.
30
31 // Contains inline asm implementations
32 #include OS_CPU_HEADER_INLINE(copy)
33
34
35 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
36 julong* to = (julong*) tohw;
37 julong v = ((julong) value << 32) | value;
38 while (count-- > 0) {
39 *to++ = v;
40 }
41 }
42
43 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
44 pd_fill_to_words(tohw, count, value);
45 }
46
47 static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
48 (void)memset(to, value, count);
49 }
50
51 static void pd_zero_to_words(HeapWord* tohw, size_t count) {
52 pd_fill_to_words(tohw, count, 0);
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