1 /* 2 * Copyright (c) 2008, 2016, 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 #ifndef CPU_ARM_VM_COPY_ARM_HPP 26 #define CPU_ARM_VM_COPY_ARM_HPP 27 28 #include "utilities/macros.hpp" 29 30 // Inline functions for memory copy and fill. 31 32 // Contains inline asm implementations 33 #include OS_CPU_HEADER_INLINE(copy) 34 35 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) { 36 juint* to = (juint*)tohw; 37 count *= HeapWordSize / BytesPerInt; 38 while (count-- > 0) { 39 *to++ = value; 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 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); 53 } 54 55 static void pd_zero_to_bytes(void* to, size_t count) { 56 memset(to, 0, count); 57 } 58 59 #endif // CPU_ARM_VM_COPY_ARM_HPP