view modules/bluespec/Pygar/lab4/oProcTypes.bsv @ 13:6d461680c6d9 pygar svn.14

[svn r14] more stuff
author punk
date Tue, 27 Apr 2010 09:03:28 -0400
parents 74716e9a81cc
children
line wrap: on
line source

2 import Trace::*;
4 //----------------------------------------------------------------------
5 // Other typedefs
6 //----------------------------------------------------------------------
8 typedef Bit#(32) Addr;
10 //----------------------------------------------------------------------
11 // Basic instruction type
12 //----------------------------------------------------------------------
14 typedef Bit#(5) Rindx;
15 typedef Bit#(16) Simm;
16 typedef Bit#(16) Zimm;
17 typedef Bit#(5) Shamt;
18 typedef Bit#(26) Target;
19 typedef Bit#(5) CP0indx;
21 typedef union tagged
22 {
24 struct { Rindx rbase; Rindx rdst; Simm offset; } LW;
25 struct { Rindx rbase; Rindx rsrc; Simm offset; } SW;
27 struct { Rindx rsrc; Rindx rdst; Simm imm; } ADDIU;
28 struct { Rindx rsrc; Rindx rdst; Simm imm; } SLTI;
29 struct { Rindx rsrc; Rindx rdst; Simm imm; } SLTIU;
30 struct { Rindx rsrc; Rindx rdst; Zimm imm; } ANDI;
31 struct { Rindx rsrc; Rindx rdst; Zimm imm; } ORI;
32 struct { Rindx rsrc; Rindx rdst; Zimm imm; } XORI;
33 struct { Rindx rdst; Zimm imm; } LUI;
35 struct { Rindx rsrc; Rindx rdst; Shamt shamt; } SLL;
36 struct { Rindx rsrc; Rindx rdst; Shamt shamt; } SRL;
37 struct { Rindx rsrc; Rindx rdst; Shamt shamt; } SRA;
38 struct { Rindx rsrc; Rindx rdst; Rindx rshamt; } SLLV;
39 struct { Rindx rsrc; Rindx rdst; Rindx rshamt; } SRLV;
40 struct { Rindx rsrc; Rindx rdst; Rindx rshamt; } SRAV;
41 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } ADDU;
42 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } SUBU;
43 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } AND;
44 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } OR;
45 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } XOR;
46 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } NOR;
47 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } SLT;
48 struct { Rindx rsrc1; Rindx rsrc2; Rindx rdst; } SLTU;
50 struct { Target target; } J;
51 struct { Target target; } JAL;
52 struct { Rindx rsrc; } JR;
53 struct { Rindx rsrc; Rindx rdst; } JALR;
54 struct { Rindx rsrc1; Rindx rsrc2; Simm offset; } BEQ;
55 struct { Rindx rsrc1; Rindx rsrc2; Simm offset; } BNE;
56 struct { Rindx rsrc; Simm offset; } BLEZ;
57 struct { Rindx rsrc; Simm offset; } BGTZ;
58 struct { Rindx rsrc; Simm offset; } BLTZ;
59 struct { Rindx rsrc; Simm offset; } BGEZ;
61 struct { Rindx rdst; CP0indx cop0src; } MFC0;
62 struct { Rindx rsrc; CP0indx cop0dst; } MTC0;
64 void ILLEGAL;
66 }
67 Instr deriving(Eq);
69 //----------------------------------------------------------------------
70 // Pack and Unpack
71 //----------------------------------------------------------------------
73 Bit#(6) opFUNC = 6'b000000; Bit#(6) fcSLL = 6'b000000;
74 Bit#(6) opRT = 6'b000001; Bit#(6) fcSRL = 6'b000010;
75 Bit#(6) opRS = 6'b010000; Bit#(6) fcSRA = 6'b000011;
76 Bit#(6) fcSLLV = 6'b000100;
77 Bit#(6) opLW = 6'b100011; Bit#(6) fcSRLV = 6'b000110;
78 Bit#(6) opSW = 6'b101011; Bit#(6) fcSRAV = 6'b000111;
79 Bit#(6) fcADDU = 6'b100001;
80 Bit#(6) opADDIU = 6'b001001; Bit#(6) fcSUBU = 6'b100011;
81 Bit#(6) opSLTI = 6'b001010; Bit#(6) fcAND = 6'b100100;
82 Bit#(6) opSLTIU = 6'b001011; Bit#(6) fcOR = 6'b100101;
83 Bit#(6) opANDI = 6'b001100; Bit#(6) fcXOR = 6'b100110;
84 Bit#(6) opORI = 6'b001101; Bit#(6) fcNOR = 6'b100111;
85 Bit#(6) opXORI = 6'b001110; Bit#(6) fcSLT = 6'b101010;
86 Bit#(6) opLUI = 6'b001111; Bit#(6) fcSLTU = 6'b101011;
88 Bit#(6) opJ = 6'b000010;
89 Bit#(6) opJAL = 6'b000011;
90 Bit#(6) fcJR = 6'b001000;
91 Bit#(6) fcJALR = 6'b001001;
92 Bit#(6) opBEQ = 6'b000100;
93 Bit#(6) opBNE = 6'b000101;
94 Bit#(6) opBLEZ = 6'b000110;
95 Bit#(6) opBGTZ = 6'b000111;
96 Bit#(5) rtBLTZ = 5'b00000;
97 Bit#(5) rtBGEZ = 5'b00001;
99 Bit#(5) rsMFC0 = 5'b00000;
100 Bit#(5) rsMTC0 = 5'b00100;
102 instance Bits#(Instr,32);
104 // Pack Function
106 function Bit#(32) pack( Instr instr );
108 case ( instr ) matches
110 tagged LW .it : return { opLW, it.rbase, it.rdst, it.offset };
111 tagged SW .it : return { opSW, it.rbase, it.rsrc, it.offset };
113 tagged ADDIU .it : return { opADDIU, it.rsrc, it.rdst, it.imm };
114 tagged SLTI .it : return { opSLTI, it.rsrc, it.rdst, it.imm };
115 tagged SLTIU .it : return { opSLTIU, it.rsrc, it.rdst, it.imm };
116 tagged ANDI .it : return { opANDI, it.rsrc, it.rdst, it.imm };
117 tagged ORI .it : return { opORI, it.rsrc, it.rdst, it.imm };
118 tagged XORI .it : return { opXORI, it.rsrc, it.rdst, it.imm };
119 tagged LUI .it : return { opLUI, 5'b0, it.rdst, it.imm };
121 tagged SLL .it : return { opFUNC, 5'b0, it.rsrc, it.rdst, it.shamt, fcSLL };
122 tagged SRL .it : return { opFUNC, 5'b0, it.rsrc, it.rdst, it.shamt, fcSRL };
123 tagged SRA .it : return { opFUNC, 5'b0, it.rsrc, it.rdst, it.shamt, fcSRA };
125 tagged SLLV .it : return { opFUNC, it.rshamt, it.rsrc, it.rdst, 5'b0, fcSLLV };
126 tagged SRLV .it : return { opFUNC, it.rshamt, it.rsrc, it.rdst, 5'b0, fcSRLV };
127 tagged SRAV .it : return { opFUNC, it.rshamt, it.rsrc, it.rdst, 5'b0, fcSRAV };
129 tagged ADDU .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcADDU };
130 tagged SUBU .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcSUBU };
131 tagged AND .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcAND };
132 tagged OR .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcOR };
133 tagged XOR .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcXOR };
134 tagged NOR .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcNOR };
135 tagged SLT .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcSLT };
136 tagged SLTU .it : return { opFUNC, it.rsrc1, it.rsrc2, it.rdst, 5'b0, fcSLTU };
138 tagged J .it : return { opJ, it.target };
139 tagged JAL .it : return { opJAL, it.target };
140 tagged JR .it : return { opFUNC, it.rsrc, 5'b0, 5'b0, 5'b0, fcJR };
141 tagged JALR .it : return { opFUNC, it.rsrc, 5'b0, it.rdst, 5'b0, fcJALR };
142 tagged BEQ .it : return { opBEQ, it.rsrc1, it.rsrc2, it.offset };
143 tagged BNE .it : return { opBNE, it.rsrc1, it.rsrc2, it.offset };
144 tagged BLEZ .it : return { opBLEZ, it.rsrc, 5'b0, it.offset };
145 tagged BGTZ .it : return { opBGTZ, it.rsrc, 5'b0, it.offset };
146 tagged BLTZ .it : return { opRT, it.rsrc, rtBLTZ, it.offset };
147 tagged BGEZ .it : return { opRT, it.rsrc, rtBGEZ, it.offset };
149 tagged MFC0 .it : return { opRS, rsMFC0, it.rdst, it.cop0src, 11'b0 };
150 tagged MTC0 .it : return { opRS, rsMTC0, it.rsrc, it.cop0dst, 11'b0 };
152 endcase
154 endfunction
156 // Unpack Function
158 function Instr unpack( Bit#(32) instrBits );
160 let opcode = instrBits[ 31 : 26 ];
161 let rs = instrBits[ 25 : 21 ];
162 let rt = instrBits[ 20 : 16 ];
163 let rd = instrBits[ 15 : 11 ];
164 let shamt = instrBits[ 10 : 6 ];
165 let funct = instrBits[ 5 : 0 ];
166 let imm = instrBits[ 15 : 0 ];
167 let target = instrBits[ 25 : 0 ];
169 case ( opcode )
171 opLW : return LW { rbase:rs, rdst:rt, offset:imm };
172 opSW : return SW { rbase:rs, rsrc:rt, offset:imm };
173 opADDIU : return ADDIU { rsrc:rs, rdst:rt, imm:imm };
174 opSLTI : return SLTI { rsrc:rs, rdst:rt, imm:imm };
175 opSLTIU : return SLTIU { rsrc:rs, rdst:rt, imm:imm };
176 opANDI : return ANDI { rsrc:rs, rdst:rt, imm:imm };
177 opORI : return ORI { rsrc:rs, rdst:rt, imm:imm };
178 opXORI : return XORI { rsrc:rs, rdst:rt, imm:imm };
179 opLUI : return LUI { rdst:rt, imm:imm };
180 opJ : return J { target:target };
181 opJAL : return JAL { target:target };
182 opBEQ : return BEQ { rsrc1:rs, rsrc2:rt, offset:imm };
183 opBNE : return BNE { rsrc1:rs, rsrc2:rt, offset:imm };
184 opBLEZ : return BLEZ { rsrc:rs, offset:imm };
185 opBGTZ : return BGTZ { rsrc:rs, offset:imm };
187 opFUNC :
188 case ( funct )
189 fcSLL : return SLL { rsrc:rt, rdst:rd, shamt:shamt };
190 fcSRL : return SRL { rsrc:rt, rdst:rd, shamt:shamt };
191 fcSRA : return SRA { rsrc:rt, rdst:rd, shamt:shamt };
192 fcSLLV : return SLLV { rsrc:rt, rdst:rd, rshamt:rs };
193 fcSRLV : return SRLV { rsrc:rt, rdst:rd, rshamt:rs };
194 fcSRAV : return SRAV { rsrc:rt, rdst:rd, rshamt:rs };
195 fcADDU : return ADDU { rsrc1:rs, rsrc2:rt, rdst:rd };
196 fcSUBU : return SUBU { rsrc1:rs, rsrc2:rt, rdst:rd };
197 fcAND : return AND { rsrc1:rs, rsrc2:rt, rdst:rd };
198 fcOR : return OR { rsrc1:rs, rsrc2:rt, rdst:rd };
199 fcXOR : return XOR { rsrc1:rs, rsrc2:rt, rdst:rd };
200 fcNOR : return NOR { rsrc1:rs, rsrc2:rt, rdst:rd };
201 fcSLT : return SLT { rsrc1:rs, rsrc2:rt, rdst:rd };
202 fcSLTU : return SLTU { rsrc1:rs, rsrc2:rt, rdst:rd };
203 fcJR : return JR { rsrc:rs };
204 fcJALR : return JALR { rsrc:rs, rdst:rd };
205 default : return ILLEGAL;
206 endcase
208 opRT :
209 case ( rt )
210 rtBLTZ : return BLTZ { rsrc:rs, offset:imm };
211 rtBGEZ : return BGEZ { rsrc:rs, offset:imm };
212 default : return ILLEGAL;
213 endcase
215 opRS :
216 case ( rs )
217 rsMFC0 : return MFC0 { rdst:rt, cop0src:rd };
218 rsMTC0 : return MTC0 { rsrc:rt, cop0dst:rd };
219 default : return ILLEGAL;
220 endcase
222 default : return ILLEGAL;
224 endcase
226 endfunction
228 endinstance
230 //----------------------------------------------------------------------
231 // Trace
232 //----------------------------------------------------------------------
234 instance Traceable#(Instr);
236 function Action traceTiny( String loc, String ttag, Instr inst );
237 case ( inst ) matches
239 tagged LW .it : $fdisplay(stderr, " => %s:%s lw", loc, ttag );
240 tagged SW .it : $fdisplay(stderr, " => %s:%s sw", loc, ttag );
242 tagged ADDIU .it : $fdisplay(stderr, " => %s:%s addi", loc, ttag );
243 tagged SLTI .it : $fdisplay(stderr, " => %s:%s sli", loc, ttag );
244 tagged SLTIU .it : $fdisplay(stderr, " => %s:%s sliu", loc, ttag );
245 tagged ANDI .it : $fdisplay(stderr, " => %s:%s andi", loc, ttag );
246 tagged ORI .it : $fdisplay(stderr, " => %s:%s ori", loc, ttag );
247 tagged XORI .it : $fdisplay(stderr, " => %s:%s xori", loc, ttag );
248 tagged LUI .it : $fdisplay(stderr, " => %s:%s lui", loc, ttag );
250 tagged SLL .it : $fdisplay(stderr, " => %s:%s sll", loc, ttag );
251 tagged SRL .it : $fdisplay(stderr, " => %s:%s srl", loc, ttag );
252 tagged SRA .it : $fdisplay(stderr, " => %s:%s sra", loc, ttag );
253 tagged SLLV .it : $fdisplay(stderr, " => %s:%s sllv", loc, ttag );
254 tagged SRLV .it : $fdisplay(stderr, " => %s:%s srlv", loc, ttag );
255 tagged SRAV .it : $fdisplay(stderr, " => %s:%s srav", loc, ttag );
257 tagged ADDU .it : $fdisplay(stderr, " => %s:%s addu", loc, ttag );
258 tagged SUBU .it : $fdisplay(stderr, " => %s:%s subu", loc, ttag );
259 tagged AND .it : $fdisplay(stderr, " => %s:%s and", loc, ttag );
260 tagged OR .it : $fdisplay(stderr, " => %s:%s or", loc, ttag );
261 tagged XOR .it : $fdisplay(stderr, " => %s:%s xor", loc, ttag );
262 tagged NOR .it : $fdisplay(stderr, " => %s:%s nor", loc, ttag );
263 tagged SLT .it : $fdisplay(stderr, " => %s:%s slt", loc, ttag );
264 tagged SLTU .it : $fdisplay(stderr, " => %s:%s sltu", loc, ttag );
266 tagged J .it : $fdisplay(stderr, " => %s:%s j", loc, ttag );
267 tagged JAL .it : $fdisplay(stderr, " => %s:%s jal", loc, ttag );
268 tagged JR .it : $fdisplay(stderr, " => %s:%s jr", loc, ttag );
269 tagged JALR .it : $fdisplay(stderr, " => %s:%s jalr", loc, ttag );
270 tagged BEQ .it : $fdisplay(stderr, " => %s:%s beq", loc, ttag );
271 tagged BNE .it : $fdisplay(stderr, " => %s:%s bne", loc, ttag );
272 tagged BLEZ .it : $fdisplay(stderr, " => %s:%s blez", loc, ttag );
273 tagged BGTZ .it : $fdisplay(stderr, " => %s:%s bgtz", loc, ttag );
274 tagged BLTZ .it : $fdisplay(stderr, " => %s:%s bltz", loc, ttag );
275 tagged BGEZ .it : $fdisplay(stderr, " => %s:%s bgez", loc, ttag );
277 tagged MFC0 .it : $fdisplay(stderr, " => %s:%s mfc0", loc, ttag );
278 tagged MTC0 .it : $fdisplay(stderr, " => %s:%s mtc0", loc, ttag );
280 tagged ILLEGAL : $fdisplay(stderr, " => %s:%s ill", loc, ttag );
282 endcase
283 endfunction
285 function Action traceFull( String loc, String ttag, Instr inst );
286 case ( inst ) matches
288 tagged LW .it : $fdisplay(stderr, " => %s:%s lw r%0d, 0x%x(r%0d)", loc, ttag, it.rdst, it.offset, it.rbase );
289 tagged SW .it : $fdisplay(stderr, " => %s:%s sw r%0d, 0x%x(r%0d)", loc, ttag, it.rsrc, it.offset, it.rbase );
291 tagged ADDIU .it : $fdisplay(stderr, " => %s:%s addiu r%0d, r%0d, 0x%x", loc, ttag, it.rdst, it.rsrc, it.imm );
292 tagged SLTI .it : $fdisplay(stderr, " => %s:%s slti r%0d, r%0d, 0x%x", loc, ttag, it.rdst, it.rsrc, it.imm );
293 tagged SLTIU .it : $fdisplay(stderr, " => %s:%s sltiu r%0d, r%0d, 0x%x", loc, ttag, it.rdst, it.rsrc, it.imm );
294 tagged ANDI .it : $fdisplay(stderr, " => %s:%s andi r%0d, r%0d, 0x%x", loc, ttag, it.rdst, it.rsrc, it.imm );
295 tagged ORI .it : $fdisplay(stderr, " => %s:%s ori r%0d, r%0d, 0x%x", loc, ttag, it.rdst, it.rsrc, it.imm );
296 tagged XORI .it : $fdisplay(stderr, " => %s:%s xori r%0d, r%0d, 0x%x", loc, ttag, it.rdst, it.rsrc, it.imm );
297 tagged LUI .it : $fdisplay(stderr, " => %s:%s lui r%0d, 0x%x", loc, ttag, it.rdst, it.imm );
299 tagged SLL .it : $fdisplay(stderr, " => %s:%s sll r%0d, r%0d, %0d", loc, ttag, it.rdst, it.rsrc, it.shamt );
300 tagged SRL .it : $fdisplay(stderr, " => %s:%s srl r%0d, r%0d, %0d", loc, ttag, it.rdst, it.rsrc, it.shamt );
301 tagged SRA .it : $fdisplay(stderr, " => %s:%s sra r%0d, r%0d, %0d", loc, ttag, it.rdst, it.rsrc, it.shamt );
302 tagged SLLV .it : $fdisplay(stderr, " => %s:%s sllv r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc, it.rshamt );
303 tagged SRLV .it : $fdisplay(stderr, " => %s:%s srlv r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc, it.rshamt );
304 tagged SRAV .it : $fdisplay(stderr, " => %s:%s srav r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc, it.rshamt );
306 tagged ADDU .it : $fdisplay(stderr, " => %s:%s addu r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
307 tagged SUBU .it : $fdisplay(stderr, " => %s:%s subu r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
308 tagged AND .it : $fdisplay(stderr, " => %s:%s and r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
309 tagged OR .it : $fdisplay(stderr, " => %s:%s or r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
310 tagged XOR .it : $fdisplay(stderr, " => %s:%s xor r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
311 tagged NOR .it : $fdisplay(stderr, " => %s:%s nor r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
312 tagged SLT .it : $fdisplay(stderr, " => %s:%s slt r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
313 tagged SLTU .it : $fdisplay(stderr, " => %s:%s sltu r%0d, r%0d, r%0d", loc, ttag, it.rdst, it.rsrc1, it.rsrc2 );
315 tagged J .it : $fdisplay(stderr, " => %s:%s j 0x%x", loc, ttag, it.target );
316 tagged JAL .it : $fdisplay(stderr, " => %s:%s jal 0x%x", loc, ttag, it.target );
317 tagged JR .it : $fdisplay(stderr, " => %s:%s jr r%0d", loc, ttag, it.rsrc );
318 tagged JALR .it : $fdisplay(stderr, " => %s:%s jalr r%0d", loc, ttag, it.rsrc );
319 tagged BEQ .it : $fdisplay(stderr, " => %s:%s beq r%0d, r%0d, 0x%x", loc, ttag, it.rsrc1, it.rsrc2, it.offset );
320 tagged BNE .it : $fdisplay(stderr, " => %s:%s bne r%0d, r%0d, 0x%x", loc, ttag, it.rsrc1, it.rsrc2, it.offset );
321 tagged BLEZ .it : $fdisplay(stderr, " => %s:%s blez r%0d, 0x%x", loc, ttag, it.rsrc, it.offset );
322 tagged BGTZ .it : $fdisplay(stderr, " => %s:%s bgtz r%0d, 0x%x", loc, ttag, it.rsrc, it.offset );
323 tagged BLTZ .it : $fdisplay(stderr, " => %s:%s bltz r%0d, 0x%x", loc, ttag, it.rsrc, it.offset );
324 tagged BGEZ .it : $fdisplay(stderr, " => %s:%s bgez r%0d, 0x%x", loc, ttag, it.rsrc, it.offset );
326 tagged MFC0 .it : $fdisplay(stderr, " => %s:%s mfc0 r%0d, cpr%0d", loc, ttag, it.rdst, it.cop0src );
327 tagged MTC0 .it : $fdisplay(stderr, " => %s:%s mtc0 r%0d, cpr%0d", loc, ttag, it.rsrc, it.cop0dst );
329 tagged ILLEGAL : $fdisplay(stderr, " => %s:%s illegal instruction", loc, ttag );
331 endcase
332 endfunction
334 endinstance