1 /*
2 * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.asm.sparc;
26
27 import sun.jvm.hotspot.asm.*;
28
29 // Please refer to "The SPARC Architecture Manual - Version 9"
30
31 public class SPARCV9Disassembler extends SPARCDisassembler
32 implements /* imports */ SPARCV9Opcodes {
33 public SPARCV9Disassembler(long startPc, byte[] code, SPARCV9InstructionFactory factory) {
34 super(startPc, code, factory);
35 }
36
37 public SPARCV9Disassembler(long startPc, byte[] code) {
38 this(startPc, code, new SPARCV9InstructionFactoryImpl());
39 }
40
41 // decoders for format 2 instructions
42 private static InstructionDecoder format2Decoders[] = {
43 new UnimpDecoder(),
44 new V9IntegerBranchDecoder(),
45 new IntegerBranchDecoder(),
46 new V9IntRegisterBranchDecoder(),
47 new SethiDecoder(),
48 new V9FloatBranchDecoder(),
49 new FloatBranchDecoder(),
50 illegalDecoder
51 };
52
53 protected InstructionDecoder getFormat2Decoder(int op2) {
54 return format2Decoders[op2];
55 }
56
57 // op3 opcode table for op=3 (FORMAT_3) instructions - (memory instructions)
58 // E.2 Tables - Page 275 - Table 33.
59 private static final InstructionDecoder format3Decoders[][] = {
60 {
61 new LoadDecoder(LDUW, "ld" /* lduw */, RTLDT_UNSIGNED_WORD), new V9AlternateSpaceLoadDecoder(LDUWA, "lduwa", RTLDT_UNSIGNED_WORD),
62 new LoadDecoder(LDF,"ld", RTLDT_FL_SINGLE), new V9AlternateSpaceLoadDecoder(LDFA, "lda", RTLDT_FL_SINGLE)
63 },
64 {
65 new LoadDecoder(LDUB, "ldub", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceLoadDecoder(LDUBA, "lduba", RTLDT_UNSIGNED_BYTE),
66 new V9SpecialLoadDecoder(LDFSR), illegalDecoder
67 },
68 {
69 new LoadDecoder(LDUH, "lduh", RTLDT_UNSIGNED_HALF), new V9AlternateSpaceLoadDecoder(LDUHA, "lduha", RTLDT_UNSIGNED_HALF),
70 new LoadDecoder(LDQF, "ldq", RTLDT_FL_QUAD), new V9AlternateSpaceLoadDecoder(LDQFA, "ldqa", RTLDT_FL_QUAD)
71 },
72 {
73 new LoadDecoder(LDD, "ldd", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceLoadDecoder(LDDA, "ldda", RTLDT_UNSIGNED_DWORD),
74 new LoadDecoder(LDDF, "ldd", RTLDT_FL_DOUBLE), new LoadDecoder(LDDFA, "ldda", RTLDT_FL_DOUBLE)
75 },
76 {
77 new StoreDecoder(STW, "st" /* stw, stuw, stsw */, RTLDT_UNSIGNED_WORD), new V9AlternateSpaceStoreDecoder(STWA, "stwa", RTLDT_UNSIGNED_WORD),
78 new StoreDecoder(STF, "st", RTLDT_FL_SINGLE), new StoreDecoder(STFA, "st", RTLDT_FL_SINGLE),
79 },
80 {
81 new StoreDecoder(STB, "stb", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceStoreDecoder(STBA, "stba", RTLDT_UNSIGNED_BYTE),
82 new V9SpecialStoreDecoder(STFSR), illegalDecoder
83 },
84 {
85 new StoreDecoder(STH, "sth", RTLDT_UNSIGNED_HALF), new V9AlternateSpaceStoreDecoder(STHA, "stha", RTLDT_UNSIGNED_HALF),
86 new StoreDecoder(STQF, "stq", RTLDT_FL_QUAD), new V9AlternateSpaceStoreDecoder(STQFA, "stqa", RTLDT_FL_QUAD),
87 },
88 {
89 new StoreDecoder(STD, "std", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceStoreDecoder(STDA, "stda", RTLDT_UNSIGNED_DWORD),
90 new StoreDecoder(STDF, "std", RTLDT_FL_DOUBLE), new V9AlternateSpaceStoreDecoder(STDFA, "stda", RTLDT_FL_DOUBLE)
91 },
92 {
93 new LoadDecoder(LDSW, "ldsw", RTLDT_SIGNED_WORD), new V9AlternateSpaceLoadDecoder(LDSWA, "ldswa", RTLDT_SIGNED_WORD),
94 illegalDecoder, illegalDecoder
95 },
96 {
97 new LoadDecoder(LDSB, "ldsb", RTLDT_SIGNED_BYTE), new V9AlternateSpaceLoadDecoder(LDSBA, "ldsba", RTLDT_UNSIGNED_BYTE),
98 illegalDecoder, illegalDecoder
99 },
100 {
101 new LoadDecoder(LDSH, "ldsh", RTLDT_SIGNED_HALF), new V9AlternateSpaceLoadDecoder(LDSHA, "ldsha", RTLDT_UNSIGNED_HALF),
102 illegalDecoder, illegalDecoder
103 },
104 {
105 new LoadDecoder(LDX, "ldx", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceLoadDecoder(LDXA, "ldxa", RTLDT_UNSIGNED_DWORD),
106 illegalDecoder, illegalDecoder
107 },
108 {
109 illegalDecoder, illegalDecoder,
110 illegalDecoder, new V9CasDecoder(CASA, "casa", RTLDT_UNSIGNED_WORD)
111 },
112 {
113 new LdstubDecoder(LDSTUB, "ldstub", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceLdstubDecoder(LDSTUBA, "ldstuba", RTLDT_UNSIGNED_BYTE),
114 new V9PrefetchDecoder(), new V9AlternateSpacePrefetchDecoder()
115 },
116 {
117 new StoreDecoder(STX, "stx", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceStoreDecoder(STXA, "stxa", RTLDT_UNSIGNED_DWORD),
118 illegalDecoder, new V9CasDecoder(CASXA, "casxa", RTLDT_UNSIGNED_DWORD)
119 },
120 {
121 new SwapDecoder(SWAP, "swap", RTLDT_UNSIGNED_WORD), new V9AlternateSpaceSwapDecoder(SWAPA, "swapa", RTLDT_UNSIGNED_WORD),
122 illegalDecoder, illegalDecoder
123 },
124 };
125
126 protected InstructionDecoder getFormat3Decoder(int row, int column) {
127 return format3Decoders[row][column];
128 }
129
130 // op3 decoder table for op=2 (FORMAT_3A) instructions
131 // E Opcode Maps - Page 274 - Table 32
132
133 protected static final InstructionDecoder format3ADecoders[][] = {
134 {
135 new ArithmeticDecoder(ADD, "add", RTLOP_ADD), new ArithmeticDecoder(ADDcc, "addcc", RTLOP_ADD),
136 new ArithmeticDecoder(TADDcc, "taddcc", RTLOP_ADD), new V9WriteDecoder()
137 },
138 {
139 new LogicDecoder(AND, "and", RTLOP_AND), new LogicDecoder(ANDcc, "andcc", RTLOP_AND),
140 new ArithmeticDecoder(TSUBcc, "tsubcc", RTLOP_ADD), new V9SavedRestoredDecoder()
141 },
142 {
143 new LogicDecoder(OR, "or", RTLOP_OR), new LogicDecoder(ORcc, "orcc", RTLOP_OR),
144 new ArithmeticDecoder(TADDccTV, "taddcctv", RTLOP_ADD), new V9WrprDecoder()
145 },
146 {
147 new LogicDecoder(XOR, "xor", RTLOP_XOR), new LogicDecoder(XORcc, "xorcc", RTLOP_XOR),
148 new ArithmeticDecoder(TSUBccTV, "tsubcctv", RTLOP_SUB), illegalDecoder
149 },
150 {
151 new ArithmeticDecoder(SUB, "sub", RTLOP_SUB), new ArithmeticDecoder(SUBcc, "subcc", RTLOP_SUB),
152 new ArithmeticDecoder(MULScc, "mulscc", RTLOP_SMUL), new V9FPop1Decoder()
153 },
154 {
155 new LogicDecoder(ANDN, "andn", RTLOP_NAND), new LogicDecoder(ANDNcc, "andncc", RTLOP_NAND),
156 new V9ShiftDecoder(SLL, "sll", RTLOP_SLL), new V9FPop2Decoder()
157 },
158 {
159 new LogicDecoder(ORN, "orn", RTLOP_NOR), new LogicDecoder(ORNcc, "orncc", RTLOP_NOR),
160 new V9ShiftDecoder(SRL, "srl", RTLOP_SRL), new CoprocessorDecoder(IMPDEP1)
161 },
162 {
163 new LogicDecoder(XNOR, "xnor", RTLOP_XNOR), new LogicDecoder(XNORcc, "xnorcc", RTLOP_XNOR),
164 new V9ShiftDecoder(SRA, "sra", RTLOP_SRA), new CoprocessorDecoder(IMPDEP2)
165 },
166 {
167 new ArithmeticDecoder(ADDC, "addc", RTLOP_ADDC), new ArithmeticDecoder(ADDCcc, "addccc", RTLOP_ADDC),
168 new V9ReadDecoder(), new JmplDecoder()
169 },
170 {
171 new ArithmeticDecoder(MULX, "mulx", RTLOP_UMUL), illegalDecoder,
172 illegalDecoder, new RettDecoder()
173 },
174 {
175 new ArithmeticDecoder(UMUL, "umul", RTLOP_UMUL), new ArithmeticDecoder(UMULcc, "umulcc", RTLOP_UMUL),
176 new V9RdprDecoder(), new TrapDecoder()
177 },
178 {
179 new ArithmeticDecoder(SMUL, "smul", RTLOP_SMUL), new ArithmeticDecoder(SMULcc, "smulcc", RTLOP_SMUL),
180 new V9FlushwDecoder(), new FlushDecoder()
181 },
182 {
183 new ArithmeticDecoder(SUBC, "subc", RTLOP_SUBC), new ArithmeticDecoder(SUBCcc, "subccc", RTLOP_SUBC),
184 new V9MOVccDecoder(), new SaveDecoder()
185 },
186 {
187 new ArithmeticDecoder(UDIVX, "udivx", RTLOP_UDIV), illegalDecoder,
188 new ArithmeticDecoder(SDIVX, "sdivx", RTLOP_SDIV), new RestoreDecoder()
189 },
190 {
191 new ArithmeticDecoder(UDIV, "udiv", RTLOP_UDIV), new ArithmeticDecoder(UDIVcc, "udivcc", RTLOP_UDIV),
192 new V9PopcDecoder(), new V9DoneRetryDecoder()
193 },
194 {
195 new ArithmeticDecoder(SDIV, "sdiv", RTLOP_SDIV), new ArithmeticDecoder(SDIVcc, "sdivcc", RTLOP_SDIV),
196 new V9MOVrDecoder(), illegalDecoder
197 }
198 };
199
200 protected InstructionDecoder getFormat3ADecoder(int row, int column) {
201 return format3ADecoders[row][column];
202 }
203 }