1 /*
 2  * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
 4  * Copyright (c) 2020, 2021, Huawei Technologies Co., Ltd. All rights reserved.
 5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 6  *
 7  * This code is free software; you can redistribute it and/or modify it
 8  * under the terms of the GNU General Public License version 2 only, as
 9  * published by the Free Software Foundation.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
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25  */
26 
27 #ifndef CPU_RISCV_COPY_RISCV_HPP
28 #define CPU_RISCV_COPY_RISCV_HPP
29 
30 #include OS_CPU_HEADER(copy)
31 
32 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
33   julong* to = (julong*) tohw;
34   julong  v  = ((julong) value << 32) | value;
35   while (count-- > 0) {
36     *to++ = v;
37   }
38 }
39 
40 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
41   pd_fill_to_words(tohw, count, value);
42 }
43 
44 static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
45   (void)memset(to, value, count);
46 }
47 
48 static void pd_zero_to_words(HeapWord* tohw, size_t count) {
49   pd_fill_to_words(tohw, count, 0);
50 }
51 
52 static void pd_zero_to_bytes(void* to, size_t count) {
53   (void)memset(to, 0, count);
54 }
55 
56 #endif // CPU_RISCV_COPY_RISCV_HPP