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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.asm.sparc;
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26
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27 import sun.jvm.hotspot.asm.*;
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28
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29 // Please refer to "The SPARC Architecture Manual - Version 9"
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30
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31 public class SPARCV9Disassembler extends SPARCDisassembler
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32 implements /* imports */ SPARCV9Opcodes {
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33 public SPARCV9Disassembler(long startPc, byte[] code, SPARCV9InstructionFactory factory) {
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34 super(startPc, code, factory);
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35 }
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36
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37 public SPARCV9Disassembler(long startPc, byte[] code) {
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38 this(startPc, code, new SPARCV9InstructionFactoryImpl());
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39 }
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40
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41 // decoders for format 2 instructions
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42 private static InstructionDecoder format2Decoders[] = {
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43 new UnimpDecoder(),
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44 new V9IntegerBranchDecoder(),
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45 new IntegerBranchDecoder(),
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46 new V9IntRegisterBranchDecoder(),
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47 new SethiDecoder(),
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48 new V9FloatBranchDecoder(),
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49 new FloatBranchDecoder(),
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50 illegalDecoder
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51 };
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52
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53 protected InstructionDecoder getFormat2Decoder(int op2) {
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54 return format2Decoders[op2];
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55 }
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56
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57 // op3 opcode table for op=3 (FORMAT_3) instructions - (memory instructions)
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58 // E.2 Tables - Page 275 - Table 33.
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59 private static final InstructionDecoder format3Decoders[][] = {
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60 {
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61 new LoadDecoder(LDUW, "ld" /* lduw */, RTLDT_UNSIGNED_WORD), new V9AlternateSpaceLoadDecoder(LDUWA, "lduwa", RTLDT_UNSIGNED_WORD),
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62 new LoadDecoder(LDF,"ld", RTLDT_FL_SINGLE), new V9AlternateSpaceLoadDecoder(LDFA, "lda", RTLDT_FL_SINGLE)
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63 },
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64 {
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65 new LoadDecoder(LDUB, "ldub", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceLoadDecoder(LDUBA, "lduba", RTLDT_UNSIGNED_BYTE),
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66 new V9SpecialLoadDecoder(LDFSR), illegalDecoder
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67 },
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68 {
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69 new LoadDecoder(LDUH, "lduh", RTLDT_UNSIGNED_HALF), new V9AlternateSpaceLoadDecoder(LDUHA, "lduha", RTLDT_UNSIGNED_HALF),
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70 new LoadDecoder(LDQF, "ldq", RTLDT_FL_QUAD), new V9AlternateSpaceLoadDecoder(LDQFA, "ldqa", RTLDT_FL_QUAD)
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71 },
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72 {
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73 new LoadDecoder(LDD, "ldd", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceLoadDecoder(LDDA, "ldda", RTLDT_UNSIGNED_DWORD),
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74 new LoadDecoder(LDDF, "ldd", RTLDT_FL_DOUBLE), new LoadDecoder(LDDFA, "ldda", RTLDT_FL_DOUBLE)
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75 },
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76 {
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77 new StoreDecoder(STW, "st" /* stw, stuw, stsw */, RTLDT_UNSIGNED_WORD), new V9AlternateSpaceStoreDecoder(STWA, "stwa", RTLDT_UNSIGNED_WORD),
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78 new StoreDecoder(STF, "st", RTLDT_FL_SINGLE), new StoreDecoder(STFA, "st", RTLDT_FL_SINGLE),
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79 },
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80 {
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81 new StoreDecoder(STB, "stb", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceStoreDecoder(STBA, "stba", RTLDT_UNSIGNED_BYTE),
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82 new V9SpecialStoreDecoder(STFSR), illegalDecoder
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83 },
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84 {
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85 new StoreDecoder(STH, "sth", RTLDT_UNSIGNED_HALF), new V9AlternateSpaceStoreDecoder(STHA, "stha", RTLDT_UNSIGNED_HALF),
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86 new StoreDecoder(STQF, "stq", RTLDT_FL_QUAD), new V9AlternateSpaceStoreDecoder(STQFA, "stqa", RTLDT_FL_QUAD),
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87 },
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88 {
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89 new StoreDecoder(STD, "std", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceStoreDecoder(STDA, "stda", RTLDT_UNSIGNED_DWORD),
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90 new StoreDecoder(STDF, "std", RTLDT_FL_DOUBLE), new V9AlternateSpaceStoreDecoder(STDFA, "stda", RTLDT_FL_DOUBLE)
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91 },
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92 {
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93 new LoadDecoder(LDSW, "ldsw", RTLDT_SIGNED_WORD), new V9AlternateSpaceLoadDecoder(LDSWA, "ldswa", RTLDT_SIGNED_WORD),
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94 illegalDecoder, illegalDecoder
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95 },
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96 {
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97 new LoadDecoder(LDSB, "ldsb", RTLDT_SIGNED_BYTE), new V9AlternateSpaceLoadDecoder(LDSBA, "ldsba", RTLDT_UNSIGNED_BYTE),
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98 illegalDecoder, illegalDecoder
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99 },
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100 {
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101 new LoadDecoder(LDSH, "ldsh", RTLDT_SIGNED_HALF), new V9AlternateSpaceLoadDecoder(LDSHA, "ldsha", RTLDT_UNSIGNED_HALF),
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102 illegalDecoder, illegalDecoder
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103 },
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104 {
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105 new LoadDecoder(LDX, "ldx", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceLoadDecoder(LDXA, "ldxa", RTLDT_UNSIGNED_DWORD),
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106 illegalDecoder, illegalDecoder
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107 },
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108 {
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109 illegalDecoder, illegalDecoder,
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110 illegalDecoder, new V9CasDecoder(CASA, "casa", RTLDT_UNSIGNED_WORD)
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111 },
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112 {
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113 new LdstubDecoder(LDSTUB, "ldstub", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceLdstubDecoder(LDSTUBA, "ldstuba", RTLDT_UNSIGNED_BYTE),
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114 new V9PrefetchDecoder(), new V9AlternateSpacePrefetchDecoder()
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115 },
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116 {
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117 new StoreDecoder(STX, "stx", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceStoreDecoder(STXA, "stxa", RTLDT_UNSIGNED_DWORD),
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118 illegalDecoder, new V9CasDecoder(CASXA, "casxa", RTLDT_UNSIGNED_DWORD)
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119 },
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120 {
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121 new SwapDecoder(SWAP, "swap", RTLDT_UNSIGNED_WORD), new V9AlternateSpaceSwapDecoder(SWAPA, "swapa", RTLDT_UNSIGNED_WORD),
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122 illegalDecoder, illegalDecoder
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123 },
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124 };
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125
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126 protected InstructionDecoder getFormat3Decoder(int row, int column) {
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127 return format3Decoders[row][column];
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128 }
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129
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130 // op3 decoder table for op=2 (FORMAT_3A) instructions
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131 // E Opcode Maps - Page 274 - Table 32
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132
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133 protected static final InstructionDecoder format3ADecoders[][] = {
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134 {
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135 new ArithmeticDecoder(ADD, "add", RTLOP_ADD), new ArithmeticDecoder(ADDcc, "addcc", RTLOP_ADD),
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136 new ArithmeticDecoder(TADDcc, "taddcc", RTLOP_ADD), new V9WriteDecoder()
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137 },
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138 {
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139 new LogicDecoder(AND, "and", RTLOP_AND), new LogicDecoder(ANDcc, "andcc", RTLOP_AND),
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140 new ArithmeticDecoder(TSUBcc, "tsubcc", RTLOP_ADD), new V9SavedRestoredDecoder()
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141 },
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142 {
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143 new LogicDecoder(OR, "or", RTLOP_OR), new LogicDecoder(ORcc, "orcc", RTLOP_OR),
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144 new ArithmeticDecoder(TADDccTV, "taddcctv", RTLOP_ADD), new V9WrprDecoder()
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145 },
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146 {
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147 new LogicDecoder(XOR, "xor", RTLOP_XOR), new LogicDecoder(XORcc, "xorcc", RTLOP_XOR),
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148 new ArithmeticDecoder(TSUBccTV, "tsubcctv", RTLOP_SUB), illegalDecoder
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149 },
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150 {
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151 new ArithmeticDecoder(SUB, "sub", RTLOP_SUB), new ArithmeticDecoder(SUBcc, "subcc", RTLOP_SUB),
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152 new ArithmeticDecoder(MULScc, "mulscc", RTLOP_SMUL), new V9FPop1Decoder()
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153 },
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154 {
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155 new LogicDecoder(ANDN, "andn", RTLOP_NAND), new LogicDecoder(ANDNcc, "andncc", RTLOP_NAND),
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156 new V9ShiftDecoder(SLL, "sll", RTLOP_SLL), new V9FPop2Decoder()
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157 },
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158 {
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159 new LogicDecoder(ORN, "orn", RTLOP_NOR), new LogicDecoder(ORNcc, "orncc", RTLOP_NOR),
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160 new V9ShiftDecoder(SRL, "srl", RTLOP_SRL), new CoprocessorDecoder(IMPDEP1)
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161 },
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162 {
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163 new LogicDecoder(XNOR, "xnor", RTLOP_XNOR), new LogicDecoder(XNORcc, "xnorcc", RTLOP_XNOR),
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164 new V9ShiftDecoder(SRA, "sra", RTLOP_SRA), new CoprocessorDecoder(IMPDEP2)
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165 },
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166 {
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167 new ArithmeticDecoder(ADDC, "addc", RTLOP_ADDC), new ArithmeticDecoder(ADDCcc, "addccc", RTLOP_ADDC),
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168 new V9ReadDecoder(), new JmplDecoder()
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169 },
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170 {
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171 new ArithmeticDecoder(MULX, "mulx", RTLOP_UMUL), illegalDecoder,
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172 illegalDecoder, new RettDecoder()
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173 },
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174 {
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175 new ArithmeticDecoder(UMUL, "umul", RTLOP_UMUL), new ArithmeticDecoder(UMULcc, "umulcc", RTLOP_UMUL),
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176 new V9RdprDecoder(), new TrapDecoder()
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177 },
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178 {
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179 new ArithmeticDecoder(SMUL, "smul", RTLOP_SMUL), new ArithmeticDecoder(SMULcc, "smulcc", RTLOP_SMUL),
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180 new V9FlushwDecoder(), new FlushDecoder()
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181 },
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182 {
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183 new ArithmeticDecoder(SUBC, "subc", RTLOP_SUBC), new ArithmeticDecoder(SUBCcc, "subccc", RTLOP_SUBC),
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184 new V9MOVccDecoder(), new SaveDecoder()
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185 },
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186 {
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187 new ArithmeticDecoder(UDIVX, "udivx", RTLOP_UDIV), illegalDecoder,
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188 new ArithmeticDecoder(SDIVX, "sdivx", RTLOP_SDIV), new RestoreDecoder()
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189 },
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190 {
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191 new ArithmeticDecoder(UDIV, "udiv", RTLOP_UDIV), new ArithmeticDecoder(UDIVcc, "udivcc", RTLOP_UDIV),
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192 new V9PopcDecoder(), new V9DoneRetryDecoder()
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193 },
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194 {
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195 new ArithmeticDecoder(SDIV, "sdiv", RTLOP_SDIV), new ArithmeticDecoder(SDIVcc, "sdivcc", RTLOP_SDIV),
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196 new V9MOVrDecoder(), illegalDecoder
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197 }
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198 };
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199
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200 protected InstructionDecoder getFormat3ADecoder(int row, int column) {
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201 return format3ADecoders[row][column];
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202 }
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203 }
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