1 /* 2 * Copyright (c) 1997, 2011, 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_VM_VERSION_AARCH64_HPP 27 #define CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP 28 29 #include "runtime/globals_extension.hpp" 30 #include "runtime/vm_version.hpp" 31 32 class VM_Version : public Abstract_VM_Version { 33 public: 34 protected: 35 static int _cpu; 36 static int _model; 37 static int _variant; 38 static int _revision; 39 static int _stepping; 40 static int _cpuFeatures; // features returned by the "cpuid" instruction 41 // 0 if this instruction is not available 42 static const char* _features_str; 43 44 static void get_processor_features(); 45 46 public: 47 // Initialization 48 static void initialize(); 49 50 // Asserts 51 static void assert_is_initialized() { 52 } 53 54 enum { 55 CPU_ARM = 'A', 56 CPU_BROADCOM = 'B', 57 CPU_CAVIUM = 'C', 58 CPU_DEC = 'D', 59 CPU_INFINEON = 'I', 60 CPU_MOTOROLA = 'M', 61 CPU_NVIDIA = 'N', 62 CPU_AMCC = 'P', 63 CPU_QUALCOM = 'Q', 64 CPU_MARVELL = 'V', 65 CPU_INTEL = 'i', 66 } cpuFamily; 67 68 enum { 69 CPU_FP = (1<<0), 70 CPU_ASIMD = (1<<1), 71 CPU_EVTSTRM = (1<<2), 72 CPU_AES = (1<<3), 73 CPU_PMULL = (1<<4), 74 CPU_SHA1 = (1<<5), 75 CPU_SHA2 = (1<<6), 76 CPU_CRC32 = (1<<7), 77 CPU_A53MAC = (1 << 30), 78 CPU_DMB_ATOMICS = (1 << 31), 79 } cpuFeatureFlags; 80 81 static const char* cpu_features() { return _features_str; } 82 static int cpu_family() { return _cpu; } 83 static int cpu_model() { return _model; } 84 static int cpu_variant() { return _variant; } 85 static int cpu_revision() { return _revision; } 86 static int cpu_cpuFeatures() { return _cpuFeatures; } 87 88 }; 89 90 #endif // CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP