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[firearm.git] / system.v
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1`define BUS_ICACHE 1
2`define BUS_DCACHE 0
ee406839 3
a4f724e6 4module System(input clk, input rst
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5`ifdef verilator
6`else
7 , output wire [8:0] sys_odata,
8 input [8:0] sys_idata,
9 output wire sys_tookdata
10`endif
11 );
12
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13 wire [7:0] bus_req;
14 wire [7:0] bus_ack;
15 wire [31:0] bus_addr;
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16 wire [31:0] bus_rdata;
17 wire [31:0] bus_wdata;
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18 wire bus_rd, bus_wr;
19 wire bus_ready;
45fa96c0 20
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21 wire bus_req_icache;
22 wire bus_req_dcache;
e3a9107a 23 assign bus_req = {6'b0, bus_req_icache, bus_req_dcache};
ee406839 24 wire bus_ack_icache = bus_ack[`BUS_ICACHE];
03f45381 25 wire bus_ack_dcache = bus_ack[`BUS_DCACHE];
45fa96c0 26
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27 wire [31:0] bus_addr_icache;
28 wire [31:0] bus_wdata_icache;
29 wire bus_rd_icache;
30 wire bus_wr_icache;
31
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32 wire [31:0] bus_addr_dcache;
33 wire [31:0] bus_wdata_dcache;
34 wire bus_rd_dcache;
35 wire bus_wr_dcache;
36
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37 wire [31:0] bus_rdata_blockram;
38 wire bus_ready_blockram;
39
03f45381 40 assign bus_addr = bus_addr_icache | bus_addr_dcache;
a0bb35e7 41 assign bus_rdata = bus_rdata_blockram;
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42 assign bus_wdata = bus_wdata_icache | bus_wdata_dcache;
43 assign bus_rd = bus_rd_icache | bus_rd_dcache;
44 assign bus_wr = bus_wr_icache | bus_wr_dcache;
a0bb35e7 45 assign bus_ready = bus_ready_blockram;
149bcd1a 46
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47 wire [31:0] icache_rd_addr;
48 wire icache_rd_req;
49 wire icache_rd_wait;
50 wire [31:0] icache_rd_data;
09e28f01 51
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52 wire [31:0] dcache_addr;
53 wire dcache_rd_req, dcache_wr_req;
54 wire dcache_rw_wait;
55 wire [31:0] dcache_wr_data, dcache_rd_data;
56
ab7ee9fc 57 wire [31:0] decode_out_op0, decode_out_op1, decode_out_op2, decode_out_spsr, decode_out_cpsr;
42c1e610 58 wire decode_out_carry;
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59
60 wire [3:0] regfile_read_0, regfile_read_1, regfile_read_2, regfile_read_3;
61 wire [31:0] regfile_rdata_0, regfile_rdata_1, regfile_rdata_2, regfile_rdata_3, regfile_spsr;
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62 wire regfile_write;
63 wire [3:0] regfile_write_reg;
64 wire [31:0] regfile_write_data;
c65110a8 65
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66 wire execute_out_write_reg;
67 wire [3:0] execute_out_write_num;
68 wire [31:0] execute_out_write_data;
c65110a8 69 wire [31:0] execute_out_op0, execute_out_op1, execute_out_op2;
1e66d5d1 70 wire [31:0] execute_out_cpsr, execute_out_spsr;
fdecc897 71 wire execute_out_cpsrup;
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72
73 wire jmp_out_execute, jmp_out_writeback;
74 wire [31:0] jmppc_out_execute, jmppc_out_writeback;
75 wire jmp = jmp_out_execute | jmp_out_writeback;
76 wire [31:0] jmppc = jmppc_out_execute | jmppc_out_writeback;
5ca27949 77
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78 wire memory_out_write_reg;
79 wire [3:0] memory_out_write_num;
80 wire [31:0] memory_out_write_data;
ab7ee9fc 81 wire [31:0] memory_out_cpsr, memory_out_spsr;
fdecc897 82 wire memory_out_cpsrup;
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83
84 wire [31:0] writeback_out_cpsr, writeback_out_spsr;
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85
86 wire cp_ack_terminal;
87 wire cp_busy_terminal;
88 wire [31:0] cp_read_terminal;
c65110a8 89
43e4332c 90 wire cp_req;
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91 wire [31:0] cp_insn;
92 wire cp_ack = cp_ack_terminal;
93 wire cp_busy = cp_busy_terminal;
43e4332c 94 wire cp_rnw;
1d97a095 95 wire [31:0] cp_read = cp_read_terminal;
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96 wire [31:0] cp_write;
97
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98 wire stall_cause_issue;
99 wire stall_cause_execute;
100 wire stall_cause_memory;
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101 wire bubble_out_fetch;
102 wire bubble_out_issue;
2393422a 103 wire bubble_out_execute;
c65110a8 104 wire bubble_out_memory;
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105 wire [31:0] insn_out_fetch;
106 wire [31:0] insn_out_issue;
2393422a 107 wire [31:0] insn_out_execute;
c65110a8 108 wire [31:0] insn_out_memory;
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109 wire [31:0] pc_out_fetch;
110 wire [31:0] pc_out_issue;
2393422a 111 wire [31:0] pc_out_execute;
c65110a8 112 wire [31:0] pc_out_memory;
2bf779cf 113
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114 wire Nrst = ~rst;
115
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116 /*AUTOWIRE*/
117 // Beginning of automatic wires (for undeclared instantiated-module outputs)
a7297aa5 118 wire bubble_1a; // From fetch of Fetch.v
8c1ba494 119 wire bubble_2a; // From issue of Issue.v
b0e4ff00 120 wire bubble_3a; // From execute of Execute.v
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121 wire carry_2a; // From decode of Decode.v
122 wire [31:0] cpsr_2a; // From decode of Decode.v
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123 wire [31:0] cpsr_3a; // From execute of Execute.v
124 wire cpsrup_3a; // From execute of Execute.v
ed1fdafe 125 wire [31:0] dc__addr_3a; // From memory of Memory.v
b0e4ff00 126 wire [2:0] dc__data_size_3a; // From memory of Memory.v
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127 wire [31:0] dc__rd_data_3a; // From dcache of DCache.v
128 wire dc__rd_req_3a; // From memory of Memory.v
129 wire dc__rw_wait_3a; // From dcache of DCache.v
130 wire [31:0] dc__wr_data_3a; // From memory of Memory.v
131 wire dc__wr_req_3a; // From memory of Memory.v
2bf779cf 132 wire [31:0] ic__rd_addr_0a; // From fetch of Fetch.v
3c947a99 133 wire [31:0] ic__rd_data_1a; // From icache of ICache.v
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134 wire ic__rd_req_0a; // From fetch of Fetch.v
135 wire ic__rd_wait_0a; // From icache of ICache.v
a7297aa5 136 wire [31:0] insn_1a; // From fetch of Fetch.v
8c1ba494 137 wire [31:0] insn_2a; // From issue of Issue.v
b0e4ff00 138 wire [31:0] insn_3a; // From execute of Execute.v
8c1ba494 139 wire [31:0] op0_2a; // From decode of Decode.v
b0e4ff00 140 wire [31:0] op0_3a; // From execute of Execute.v
8c1ba494 141 wire [31:0] op1_2a; // From decode of Decode.v
b0e4ff00 142 wire [31:0] op1_3a; // From execute of Execute.v
8c1ba494 143 wire [31:0] op2_2a; // From decode of Decode.v
b0e4ff00 144 wire [31:0] op2_3a; // From execute of Execute.v
a7297aa5 145 wire [31:0] pc_1a; // From fetch of Fetch.v
8c1ba494 146 wire [31:0] pc_2a; // From issue of Issue.v
b0e4ff00 147 wire [31:0] pc_3a; // From execute of Execute.v
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148 wire [31:0] rf__rdata_0_1a; // From regfile of RegFile.v
149 wire [31:0] rf__rdata_1_1a; // From regfile of RegFile.v
150 wire [31:0] rf__rdata_2_1a; // From regfile of RegFile.v
b0e4ff00 151 wire [31:0] rf__rdata_3_3a; // From regfile of RegFile.v
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152 wire [3:0] rf__read_0_1a; // From decode of Decode.v
153 wire [3:0] rf__read_1_1a; // From decode of Decode.v
154 wire [3:0] rf__read_2_1a; // From decode of Decode.v
b0e4ff00 155 wire [3:0] rf__read_3_3a; // From memory of Memory.v
8c1ba494 156 wire [31:0] spsr_2a; // From decode of Decode.v
b0e4ff00 157 wire [31:0] spsr_3a; // From execute of Execute.v
ae457ae9 158 wire stall_0a; // From issue of Issue.v
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159 wire [31:0] write_data_3a; // From execute of Execute.v
160 wire [3:0] write_num_3a; // From execute of Execute.v
161 wire write_reg_3a; // From execute of Execute.v
2bf779cf 162 // End of automatics
149bcd1a 163
7947b9c7 164 wire execute_out_backflush;
ab7ee9fc 165 wire writeback_out_backflush;
c2b9d4b7 166
ee406839 167 BusArbiter busarbiter(.bus_req(bus_req), .bus_ack(bus_ack));
a0bb35e7 168
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169 /* XXX reset? */
170 /* ICache AUTO_TEMPLATE (
a0bb35e7 171 .clk(clk),
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172 .bus_req(bus_req_icache),
173 .bus_ack(bus_ack_icache),
174 .bus_addr(bus_addr_icache),
175 .bus_rdata(bus_rdata),
176 .bus_wdata(bus_wdata_icache),
177 .bus_rd(bus_rd_icache),
178 .bus_wr(bus_wr_icache),
179 .bus_ready(bus_ready),
180 ); */
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181 ICache icache(
182 /*AUTOINST*/
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183 // Outputs
184 .ic__rd_wait_0a (ic__rd_wait_0a),
3c947a99 185 .ic__rd_data_1a (ic__rd_data_1a[31:0]),
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186 .bus_req (bus_req_icache), // Templated
187 .bus_addr (bus_addr_icache), // Templated
188 .bus_wdata (bus_wdata_icache), // Templated
189 .bus_rd (bus_rd_icache), // Templated
190 .bus_wr (bus_wr_icache), // Templated
191 // Inputs
192 .clk (clk), // Templated
193 .ic__rd_addr_0a (ic__rd_addr_0a[31:0]),
194 .ic__rd_req_0a (ic__rd_req_0a),
195 .bus_ack (bus_ack_icache), // Templated
196 .bus_rdata (bus_rdata), // Templated
197 .bus_ready (bus_ready)); // Templated
45fa96c0 198
ed1fdafe 199 /* DCache AUTO_TEMPLATE (
03f45381 200 .clk(clk),
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201 .bus_req(bus_req_dcache),
202 .bus_ack(bus_ack_dcache),
203 .bus_addr(bus_addr_dcache),
204 .bus_rdata(bus_rdata),
205 .bus_wdata(bus_wdata_dcache),
206 .bus_rd(bus_rd_dcache),
207 .bus_wr(bus_wr_dcache),
208 .bus_ready(bus_ready),
209 );
210 */
211 DCache dcache(
212 /*AUTOINST*/
213 // Outputs
214 .dc__rw_wait_3a (dc__rw_wait_3a),
215 .dc__rd_data_3a (dc__rd_data_3a[31:0]),
216 .bus_req (bus_req_dcache), // Templated
217 .bus_addr (bus_addr_dcache), // Templated
218 .bus_wdata (bus_wdata_dcache), // Templated
219 .bus_rd (bus_rd_dcache), // Templated
220 .bus_wr (bus_wr_dcache), // Templated
221 // Inputs
222 .clk (clk), // Templated
223 .dc__addr_3a (dc__addr_3a[31:0]),
224 .dc__rd_req_3a (dc__rd_req_3a),
225 .dc__wr_req_3a (dc__wr_req_3a),
226 .dc__wr_data_3a (dc__wr_data_3a[31:0]),
227 .bus_ack (bus_ack_dcache), // Templated
228 .bus_rdata (bus_rdata), // Templated
229 .bus_ready (bus_ready)); // Templated
03f45381 230
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231`ifdef verilator
232 BigBlockRAM
233`else
234 BlockRAM
235`endif
236 blockram(
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237 .clk(clk),
238 .bus_addr(bus_addr), .bus_rdata(bus_rdata_blockram),
239 .bus_wdata(bus_wdata), .bus_rd(bus_rd), .bus_wr(bus_wr),
240 .bus_ready(bus_ready_blockram));
241
2bf779cf 242 /* Fetch AUTO_TEMPLATE (
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243 .jmp_0a(jmp),
244 .jmppc_0a(jmppc),
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245 );
246 */
247 Fetch fetch(
248 /*AUTOINST*/
249 // Outputs
250 .ic__rd_addr_0a (ic__rd_addr_0a[31:0]),
251 .ic__rd_req_0a (ic__rd_req_0a),
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252 .bubble_1a (bubble_1a),
253 .insn_1a (insn_1a[31:0]),
254 .pc_1a (pc_1a[31:0]),
2bf779cf 255 // Inputs
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256 .clk (clk),
257 .Nrst (Nrst),
2bf779cf 258 .ic__rd_wait_0a (ic__rd_wait_0a),
3c947a99 259 .ic__rd_data_1a (ic__rd_data_1a[31:0]),
8c1ba494 260 .stall_0a (stall_0a),
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261 .jmp_0a (jmp), // Templated
262 .jmppc_0a (jmppc)); // Templated
09e28f01 263
a7297aa5 264 /* Issue AUTO_TEMPLATE (
ae457ae9 265 .stall_1a(stall_cause_execute),
8c1ba494 266 .flush_1a(execute_out_backflush | writeback_out_backflush),
ae457ae9 267 .cpsr_1a(writeback_out_cpsr),
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268 );
269 */
09e28f01 270 Issue issue(
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271 /*AUTOINST*/
272 // Outputs
ae457ae9 273 .stall_0a (stall_0a),
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274 .bubble_2a (bubble_2a),
275 .pc_2a (pc_2a[31:0]),
276 .insn_2a (insn_2a[31:0]),
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277 // Inputs
278 .clk (clk),
279 .Nrst (Nrst),
ae457ae9 280 .stall_1a (stall_cause_execute), // Templated
8c1ba494 281 .flush_1a (execute_out_backflush | writeback_out_backflush), // Templated
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282 .bubble_1a (bubble_1a),
283 .insn_1a (insn_1a[31:0]),
284 .pc_1a (pc_1a[31:0]),
ae457ae9 285 .cpsr_1a (writeback_out_cpsr)); // Templated
90ff449a 286
a7297aa5 287 /* RegFile AUTO_TEMPLATE (
ab7ee9fc 288 .spsr(regfile_spsr),
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289 .write(regfile_write),
290 .write_reg(regfile_write_reg),
291 .write_data(regfile_write_data),
292 );
293 */
294 wire [3:0] rf__read_3_4a;
295 RegFile regfile(
296 /*AUTOINST*/
297 // Outputs
298 .rf__rdata_0_1a (rf__rdata_0_1a[31:0]),
299 .rf__rdata_1_1a (rf__rdata_1_1a[31:0]),
300 .rf__rdata_2_1a (rf__rdata_2_1a[31:0]),
b0e4ff00 301 .rf__rdata_3_3a (rf__rdata_3_3a[31:0]),
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302 .spsr (regfile_spsr), // Templated
303 // Inputs
304 .clk (clk),
305 .Nrst (Nrst),
306 .rf__read_0_1a (rf__read_0_1a[3:0]),
307 .rf__read_1_1a (rf__read_1_1a[3:0]),
308 .rf__read_2_1a (rf__read_2_1a[3:0]),
b0e4ff00 309 .rf__read_3_3a (rf__read_3_3a[3:0]),
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310 .write (regfile_write), // Templated
311 .write_reg (regfile_write_reg), // Templated
312 .write_data (regfile_write_data)); // Templated
5ca27949 313
a7297aa5 314 /* Decode AUTO_TEMPLATE (
e74c7936 315 .stall(stall_cause_execute),
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316 .cpsr_1a(writeback_out_cpsr),
317 .spsr_1a(writeback_out_spsr),
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318 );
319 */
320 Decode decode(
321 /*AUTOINST*/
322 // Outputs
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323 .op0_2a (op0_2a[31:0]),
324 .op1_2a (op1_2a[31:0]),
325 .op2_2a (op2_2a[31:0]),
326 .carry_2a (carry_2a),
327 .cpsr_2a (cpsr_2a[31:0]),
328 .spsr_2a (spsr_2a[31:0]),
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329 .rf__read_0_1a (rf__read_0_1a[3:0]),
330 .rf__read_1_1a (rf__read_1_1a[3:0]),
331 .rf__read_2_1a (rf__read_2_1a[3:0]),
332 // Inputs
333 .clk (clk),
334 .stall (stall_cause_execute), // Templated
335 .insn_1a (insn_1a[31:0]),
336 .pc_1a (pc_1a[31:0]),
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337 .cpsr_1a (writeback_out_cpsr), // Templated
338 .spsr_1a (writeback_out_spsr), // Templated
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339 .rf__rdata_0_1a (rf__rdata_0_1a[31:0]),
340 .rf__rdata_1_1a (rf__rdata_1_1a[31:0]),
341 .rf__rdata_2_1a (rf__rdata_2_1a[31:0]));
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342
343 /* Execute AUTO_TEMPLATE (
344 .stall_2a(stall_cause_memory),
131123bc 345 .flush_2a(writeback_out_backflush),
8c1ba494 346 .outstall_2a(stall_cause_execute),
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347 .jmp_2a(jmp_out_execute),
348 .jmppc_2a(jmppc_out_execute),
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349 );
350 */
bc572c5f 351 Execute execute(
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352 /*AUTOINST*/
353 // Outputs
354 .outstall_2a (stall_cause_execute), // Templated
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355 .bubble_3a (bubble_3a),
356 .cpsr_3a (cpsr_3a[31:0]),
357 .spsr_3a (spsr_3a[31:0]),
358 .cpsrup_3a (cpsrup_3a),
359 .write_reg_3a (write_reg_3a),
360 .write_num_3a (write_num_3a[3:0]),
361 .write_data_3a (write_data_3a[31:0]),
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362 .jmppc_2a (jmppc_out_execute), // Templated
363 .jmp_2a (jmp_out_execute), // Templated
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364 .pc_3a (pc_3a[31:0]),
365 .insn_3a (insn_3a[31:0]),
366 .op0_3a (op0_3a[31:0]),
367 .op1_3a (op1_3a[31:0]),
368 .op2_3a (op2_3a[31:0]),
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369 // Inputs
370 .clk (clk),
371 .Nrst (Nrst),
372 .stall_2a (stall_cause_memory), // Templated
131123bc 373 .flush_2a (writeback_out_backflush), // Templated
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374 .bubble_2a (bubble_2a),
375 .pc_2a (pc_2a[31:0]),
376 .insn_2a (insn_2a[31:0]),
377 .cpsr_2a (cpsr_2a[31:0]),
378 .spsr_2a (spsr_2a[31:0]),
379 .op0_2a (op0_2a[31:0]),
380 .op1_2a (op1_2a[31:0]),
381 .op2_2a (op2_2a[31:0]),
382 .carry_2a (carry_2a));
7947b9c7 383 assign execute_out_backflush = jmp;
c65110a8 384
1d97a095 385 assign cp_insn = insn_out_execute;
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386 /* stall? */
387 /* Memory AUTO_TEMPLATE (
388 .flush(writeback_out_backflush),
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389 .outstall(stall_cause_memory),
390 .outbubble(bubble_out_memory),
391 .outpc(pc_out_memory),
392 .outinsn(insn_out_memory),
393 .out_write_reg(memory_out_write_reg),
394 .out_write_num(memory_out_write_num),
43e4332c 395 .out_write_data(memory_out_write_data),
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396 .cp_req(cp_req),
397 .cp_ack(cp_ack),
398 .cp_busy(cp_busy),
399 .cp_rnw(cp_rnw),
400 .cp_read(cp_read),
401 .cp_write(cp_write),
402 .outcpsr(memory_out_cpsr),
403 .outspsr(memory_out_spsr),
404 .outcpsrup(memory_out_cpsrup),
405 );
406 */
407 Memory memory(
408 /*AUTOINST*/
409 // Outputs
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410 .dc__addr_3a (dc__addr_3a[31:0]),
411 .dc__rd_req_3a (dc__rd_req_3a),
412 .dc__wr_req_3a (dc__wr_req_3a),
413 .dc__wr_data_3a (dc__wr_data_3a[31:0]),
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414 .dc__data_size_3a (dc__data_size_3a[2:0]),
415 .rf__read_3_3a (rf__read_3_3a[3:0]),
416 .cp_req (cp_req), // Templated
417 .cp_rnw (cp_rnw), // Templated
418 .cp_write (cp_write), // Templated
419 .outstall (stall_cause_memory), // Templated
420 .outbubble (bubble_out_memory), // Templated
421 .outpc (pc_out_memory), // Templated
422 .outinsn (insn_out_memory), // Templated
423 .out_write_reg (memory_out_write_reg), // Templated
424 .out_write_num (memory_out_write_num), // Templated
425 .out_write_data (memory_out_write_data), // Templated
426 .outspsr (memory_out_spsr), // Templated
427 .outcpsr (memory_out_cpsr), // Templated
428 .outcpsrup (memory_out_cpsrup), // Templated
429 // Inputs
430 .clk (clk),
431 .Nrst (Nrst),
432 .flush (writeback_out_backflush), // Templated
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433 .dc__rw_wait_3a (dc__rw_wait_3a),
434 .dc__rd_data_3a (dc__rd_data_3a[31:0]),
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435 .rf__rdata_3_3a (rf__rdata_3_3a[31:0]),
436 .cp_ack (cp_ack), // Templated
437 .cp_busy (cp_busy), // Templated
438 .cp_read (cp_read), // Templated
439 .bubble_3a (bubble_3a),
440 .pc_3a (pc_3a[31:0]),
441 .insn_3a (insn_3a[31:0]),
442 .op0_3a (op0_3a[31:0]),
443 .op1_3a (op1_3a[31:0]),
444 .op2_3a (op2_3a[31:0]),
445 .spsr_3a (spsr_3a[31:0]),
446 .cpsr_3a (cpsr_3a[31:0]),
447 .cpsrup_3a (cpsrup_3a),
448 .write_reg_3a (write_reg_3a),
449 .write_num_3a (write_num_3a[3:0]),
450 .write_data_3a (write_data_3a[31:0]));
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451
452 Terminal terminal(
453 .clk(clk),
454 .cp_req(cp_req), .cp_insn(cp_insn), .cp_ack(cp_ack_terminal), .cp_busy(cp_busy_terminal), .cp_rnw(cp_rnw),
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455 .cp_read(cp_read_terminal), .cp_write(cp_write)
456`ifdef verilator
457`else
458 , .sys_odata(sys_odata), .sys_tookdata(sys_tookdata), .sys_idata(sys_idata)
459`endif
460 );
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461
462 Writeback writeback(
463 .clk(clk),
464 .inbubble(bubble_out_memory),
465 .write_reg(memory_out_write_reg), .write_num(memory_out_write_num), .write_data(memory_out_write_data),
fdecc897 466 .cpsr(memory_out_cpsr), .spsr(memory_out_spsr), .cpsrup(memory_out_cpsrup),
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467 .regfile_write(regfile_write), .regfile_write_reg(regfile_write_reg), .regfile_write_data(regfile_write_data),
468 .outcpsr(writeback_out_cpsr), .outspsr(writeback_out_spsr),
469 .jmp(jmp_out_writeback), .jmppc(jmppc_out_writeback));
470 assign writeback_out_backflush = jmp_out_writeback;
149bcd1a 471
ff39dfc7 472 reg [31:0] clockno = 0;
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473 always @(posedge clk)
474 begin
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475 clockno <= clockno + 1;
476 $display("------------------------------------------------------------------------------");
a7297aa5 477 $display("%3d: FETCH: Bubble: %d, Instruction: %08x, PC: %08x", clockno, bubble_1a, insn_1a, pc_1a);
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478 $display("%3d: ISSUE: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x", clockno, stall_0a, bubble_2a, insn_2a, pc_2a);
479 $display("%3d: DECODE: op0 %08x, op1 %08x, op2 %08x, carry %d", clockno, op0_2a, op1_2a, op2_2a, carry_2a);
3550fbf2 480 $display("%3d: EXEC: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x, Reg: %d, [%08x -> %d], Jmp: %d [%08x]", clockno, stall_cause_execute, bubble_out_execute, insn_out_execute, pc_out_execute, execute_out_write_reg, execute_out_write_data, execute_out_write_num, jmp_out_execute, jmppc_out_execute);
c65110a8 481 $display("%3d: MEMORY: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x, Reg: %d, [%08x -> %d]", clockno, stall_cause_memory, bubble_out_memory, insn_out_memory, pc_out_memory, memory_out_write_reg, memory_out_write_data, memory_out_write_num);
ab7ee9fc 482 $display("%3d: WRITEB: CPSR %08x, SPSR %08x, Reg: %d [%08x -> %d], Jmp: %d [%08x]", clockno, writeback_out_cpsr, writeback_out_spsr, regfile_write, regfile_write_data, regfile_write_reg, jmp_out_writeback, jmppc_out_writeback);
90ff449a 483 end
ee406839 484endmodule
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