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 35static 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 43static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) { 44 pd_fill_to_words(tohw, count, value); 45} 46 47static void pd_fill_to_bytes(void* to, size_t count, jubyte value) { 48 (void)memset(to, value, count); 49} 50 51static void pd_zero_to_words(HeapWord* tohw, size_t count) { 52 pd_fill_to_words(tohw, count, 0); 53} 54 55static void pd_zero_to_bytes(void* to, size_t count) { 56 (void)memset(to, 0, count); 57} 58 59#endif // CPU_AARCH64_VM_COPY_AARCH64_HPP 60