1 /* 2 * Copyright (c) 2012, 2015, 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 package jdk.vm.ci.hotspot.sparc; 24 25 import static jdk.vm.ci.inittimer.InitTimer.timer; 26 27 import java.util.EnumSet; 28 29 import jdk.vm.ci.code.Architecture; 30 import jdk.vm.ci.code.RegisterConfig; 31 import jdk.vm.ci.code.TargetDescription; 32 import jdk.vm.ci.code.stack.StackIntrospection; 33 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 34 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; 35 import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory; 36 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; 37 import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider; 38 import jdk.vm.ci.hotspot.HotSpotStackIntrospection; 39 import jdk.vm.ci.hotspot.HotSpotVMConfig; 40 import jdk.vm.ci.inittimer.InitTimer; 41 import jdk.vm.ci.runtime.JVMCIBackend; 42 import jdk.vm.ci.sparc.SPARC; 43 import jdk.vm.ci.sparc.SPARC.CPUFeature; 44 45 public class SPARCHotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { 46 47 protected TargetDescription createTarget(HotSpotVMConfig config) { 48 final int stackFrameAlignment = 16; 49 final int implicitNullCheckLimit = 4096; 50 final boolean inlineObjects = false; 51 Architecture arch = new SPARC(computeFeatures(config)); 52 return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); 53 } 54 55 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { 56 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); 57 } 58 59 protected EnumSet<CPUFeature> computeFeatures(HotSpotVMConfig config) { 60 EnumSet<CPUFeature> features = EnumSet.noneOf(CPUFeature.class); 61 if ((config.vmVersionFeatures & config.sparcVis1Instructions) != 0) { 62 features.add(CPUFeature.VIS1); 63 } 64 if ((config.vmVersionFeatures & config.sparcVis2Instructions) != 0) { 65 features.add(CPUFeature.VIS2); 66 } 67 if ((config.vmVersionFeatures & config.sparcVis3Instructions) != 0) { 68 features.add(CPUFeature.VIS3); 69 } 70 if ((config.vmVersionFeatures & config.sparcCbcondInstructions) != 0) { 71 features.add(CPUFeature.CBCOND); 72 } 73 if ((config.vmVersionFeatures & config.sparcV8Instructions) != 0) { 74 features.add(CPUFeature.V8); 75 } 76 if ((config.vmVersionFeatures & config.sparcHardwareMul32) != 0) { 77 features.add(CPUFeature.HARDWARE_MUL32); 78 } 79 if ((config.vmVersionFeatures & config.sparcHardwareDiv32) != 0) { 80 features.add(CPUFeature.HARDWARE_DIV32); 81 } 82 if ((config.vmVersionFeatures & config.sparcHardwareFsmuld) != 0) { 83 features.add(CPUFeature.HARDWARE_FSMULD); 84 } 85 if ((config.vmVersionFeatures & config.sparcHardwarePopc) != 0) { 86 features.add(CPUFeature.HARDWARE_POPC); 87 } 88 if ((config.vmVersionFeatures & config.sparcV9Instructions) != 0) { 89 features.add(CPUFeature.V9); 90 } 91 if ((config.vmVersionFeatures & config.sparcSun4v) != 0) { 92 features.add(CPUFeature.SUN4V); 93 } 94 if ((config.vmVersionFeatures & config.sparcBlkInitInstructions) != 0) { 95 features.add(CPUFeature.BLK_INIT_INSTRUCTIONS); 96 } 97 if ((config.vmVersionFeatures & config.sparcFmafInstructions) != 0) { 98 features.add(CPUFeature.FMAF); 99 } 100 if ((config.vmVersionFeatures & config.sparcFmauInstructions) != 0) { 101 features.add(CPUFeature.FMAU); 102 } 103 if ((config.vmVersionFeatures & config.sparcSparc64Family) != 0) { 104 features.add(CPUFeature.SPARC64_FAMILY); 105 } 106 if ((config.vmVersionFeatures & config.sparcMFamily) != 0) { 107 features.add(CPUFeature.M_FAMILY); 108 } 109 if ((config.vmVersionFeatures & config.sparcTFamily) != 0) { 110 features.add(CPUFeature.T_FAMILY); 111 } 112 if ((config.vmVersionFeatures & config.sparcT1Model) != 0) { 113 features.add(CPUFeature.T1_MODEL); 114 } 115 if ((config.vmVersionFeatures & config.sparcSparc5Instructions) != 0) { 116 features.add(CPUFeature.SPARC5); 117 } 118 if ((config.vmVersionFeatures & config.sparcAesInstructions) != 0) { 119 features.add(CPUFeature.SPARC64_FAMILY); 120 } 121 if ((config.vmVersionFeatures & config.sparcSha1Instruction) != 0) { 122 features.add(CPUFeature.SHA1); 123 } 124 if ((config.vmVersionFeatures & config.sparcSha256Instruction) != 0) { 125 features.add(CPUFeature.SHA256); 126 } 127 if ((config.vmVersionFeatures & config.sparcSha512Instruction) != 0) { 128 features.add(CPUFeature.SHA512); 129 } 130 return features; 131 } 132 133 @Override 134 public String getArchitecture() { 135 return "SPARC"; 136 } 137 138 @Override 139 public String toString() { 140 return "JVMCIBackend:" + getArchitecture(); 141 } 142 143 @SuppressWarnings("try") 144 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) { 145 assert host == null; 146 TargetDescription target = createTarget(runtime.getConfig()); 147 148 HotSpotMetaAccessProvider metaAccess = new HotSpotMetaAccessProvider(runtime); 149 RegisterConfig regConfig = new SPARCHotSpotRegisterConfig(target.arch, runtime.getConfig()); 150 HotSpotCodeCacheProvider codeCache = createCodeCache(runtime, target, regConfig); 151 HotSpotConstantReflectionProvider constantReflection = new HotSpotConstantReflectionProvider(runtime); 152 StackIntrospection stackIntrospection = new HotSpotStackIntrospection(runtime); 153 try (InitTimer rt = timer("instantiate backend")) { 154 return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection); 155 } 156 } 157 158 protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, HotSpotConstantReflectionProvider constantReflection, 159 StackIntrospection stackIntrospection) { 160 return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection); 161 } 162 }