1 /* 2 * Copyright (c) 1999, 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 #ifndef CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP 26 #define CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP 27 28 // Size of Sparc Instructions 29 const int BytesPerInstWord = 4; 30 31 const int StackAlignmentInBytes = (2*wordSize); 32 33 // Indicates whether the C calling conventions require that 34 // 32-bit integer argument values are extended to 64 bits. 35 const bool CCallingConventionRequiresIntsAsLongs = true; 36 37 #define SUPPORTS_NATIVE_CX8 38 39 #define CPU_MULTI_COPY_ATOMIC 40 41 // The expected size in bytes of a cache line, used to pad data structures. 42 #if defined(TIERED) 43 // tiered, 64-bit, large machine 44 #define DEFAULT_CACHE_LINE_SIZE 128 45 #define OM_CACHE_LINE_SIZE 64 46 #elif defined(COMPILER1) 47 // pure C1, 32-bit, small machine 48 #define DEFAULT_CACHE_LINE_SIZE 16 49 #elif defined(COMPILER2) 50 // pure C2, 64-bit, large machine 51 #define DEFAULT_CACHE_LINE_SIZE 128 52 #define OM_CACHE_LINE_SIZE 64 53 #endif 54 55 #if defined(SOLARIS) 56 #define SUPPORT_RESERVED_STACK_AREA 57 #endif 58 59 // SPARC have implemented the local polling 60 #define THREAD_LOCAL_POLL 61 62 #endif // CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP