`define BUS_ICACHE 1
`define BUS_DCACHE 0
-module System(input clk);
+module System(input clk, input rst
+`ifdef verilator
+`else
+ , output wire [8:0] sys_odata,
+ input [8:0] sys_idata,
+ output wire sys_tookdata
+`endif
+ );
+
wire [7:0] bus_req;
wire [7:0] bus_ack;
wire [31:0] bus_addr;
wire [31:0] pc_out_issue;
wire [31:0] pc_out_execute;
wire [31:0] pc_out_memory;
+
+ wire Nrst = ~rst;
+
+ /*AUTOWIRE*/
+ // Beginning of automatic wires (for undeclared instantiated-module outputs)
+ wire bubble_1a; // From fetch of Fetch.v
+ wire bubble_2a; // From issue of Issue.v
+ wire carry_2a; // From decode of Decode.v
+ wire [31:0] cpsr_2a; // From decode of Decode.v
+ wire [31:0] ic__rd_addr_0a; // From fetch of Fetch.v
+ wire [31:0] ic__rd_data_1a; // From icache of ICache.v
+ wire ic__rd_req_0a; // From fetch of Fetch.v
+ wire ic__rd_wait_0a; // From icache of ICache.v
+ wire [31:0] insn_1a; // From fetch of Fetch.v
+ wire [31:0] insn_2a; // From issue of Issue.v
+ wire [31:0] op0_2a; // From decode of Decode.v
+ wire [31:0] op1_2a; // From decode of Decode.v
+ wire [31:0] op2_2a; // From decode of Decode.v
+ wire [31:0] pc_1a; // From fetch of Fetch.v
+ wire [31:0] pc_2a; // From issue of Issue.v
+ wire [31:0] rf__rdata_0_1a; // From regfile of RegFile.v
+ wire [31:0] rf__rdata_1_1a; // From regfile of RegFile.v
+ wire [31:0] rf__rdata_2_1a; // From regfile of RegFile.v
+ wire [31:0] rf__rdata_3_4a; // From regfile of RegFile.v
+ wire [3:0] rf__read_0_1a; // From decode of Decode.v
+ wire [3:0] rf__read_1_1a; // From decode of Decode.v
+ wire [3:0] rf__read_2_1a; // From decode of Decode.v
+ wire [31:0] spsr_2a; // From decode of Decode.v
+ wire stall_0a; // From issue of Issue.v
+ // End of automatics
wire execute_out_backflush;
wire writeback_out_backflush;
BusArbiter busarbiter(.bus_req(bus_req), .bus_ack(bus_ack));
- ICache icache(
+ /* XXX reset? */
+ /* ICache AUTO_TEMPLATE (
.clk(clk),
- /* XXX reset? */
- .rd_addr(icache_rd_addr), .rd_req(icache_rd_req),
- .rd_wait(icache_rd_wait), .rd_data(icache_rd_data),
- .bus_req(bus_req_icache), .bus_ack(bus_ack_icache),
- .bus_addr(bus_addr_icache), .bus_rdata(bus_rdata),
- .bus_wdata(bus_wdata_icache), .bus_rd(bus_rd_icache),
- .bus_wr(bus_wr_icache), .bus_ready(bus_ready));
+ .bus_req(bus_req_icache),
+ .bus_ack(bus_ack_icache),
+ .bus_addr(bus_addr_icache),
+ .bus_rdata(bus_rdata),
+ .bus_wdata(bus_wdata_icache),
+ .bus_rd(bus_rd_icache),
+ .bus_wr(bus_wr_icache),
+ .bus_ready(bus_ready),
+ ); */
+ ICache icache(/*AUTOINST*/
+ // Outputs
+ .ic__rd_wait_0a (ic__rd_wait_0a),
+ .ic__rd_data_1a (ic__rd_data_1a[31:0]),
+ .bus_req (bus_req_icache), // Templated
+ .bus_addr (bus_addr_icache), // Templated
+ .bus_wdata (bus_wdata_icache), // Templated
+ .bus_rd (bus_rd_icache), // Templated
+ .bus_wr (bus_wr_icache), // Templated
+ // Inputs
+ .clk (clk), // Templated
+ .ic__rd_addr_0a (ic__rd_addr_0a[31:0]),
+ .ic__rd_req_0a (ic__rd_req_0a),
+ .bus_ack (bus_ack_icache), // Templated
+ .bus_rdata (bus_rdata), // Templated
+ .bus_ready (bus_ready)); // Templated
DCache dcache(
.clk(clk),
.bus_wdata(bus_wdata_dcache), .bus_rd(bus_rd_dcache),
.bus_wr(bus_wr_dcache), .bus_ready(bus_ready));
- BlockRAM blockram(
+`ifdef verilator
+ BigBlockRAM
+`else
+ BlockRAM
+`endif
+ blockram(
.clk(clk),
.bus_addr(bus_addr), .bus_rdata(bus_rdata_blockram),
.bus_wdata(bus_wdata), .bus_rd(bus_rd), .bus_wr(bus_wr),
.bus_ready(bus_ready_blockram));
+ /* Fetch AUTO_TEMPLATE (
+ .jmp_0a(jmp),
+ .jmppc_0a(jmppc),
+ );
+ */
Fetch fetch(
- .clk(clk),
- .Nrst(1'b1 /* XXX */),
- .rd_addr(icache_rd_addr), .rd_req(icache_rd_req),
- .rd_wait(icache_rd_wait), .rd_data(icache_rd_data),
- .stall(stall_cause_issue), .jmp(jmp), .jmppc(jmppc),
- .bubble(bubble_out_fetch), .insn(insn_out_fetch),
- .pc(pc_out_fetch));
+ /*AUTOINST*/
+ // Outputs
+ .ic__rd_addr_0a (ic__rd_addr_0a[31:0]),
+ .ic__rd_req_0a (ic__rd_req_0a),
+ .bubble_1a (bubble_1a),
+ .insn_1a (insn_1a[31:0]),
+ .pc_1a (pc_1a[31:0]),
+ // Inputs
+ .clk (clk),
+ .Nrst (Nrst),
+ .ic__rd_wait_0a (ic__rd_wait_0a),
+ .ic__rd_data_1a (ic__rd_data_1a[31:0]),
+ .stall_0a (stall_0a),
+ .jmp_0a (jmp), // Templated
+ .jmppc_0a (jmppc)); // Templated
+ /* Issue AUTO_TEMPLATE (
+ .stall_1a(stall_cause_execute),
+ .flush_1a(execute_out_backflush | writeback_out_backflush),
+ .cpsr_1a(writeback_out_cpsr),
+ );
+ */
Issue issue(
- .clk(clk),
- .Nrst(1'b1 /* XXX */),
- .stall(stall_cause_execute), .flush(execute_out_backflush | writeback_out_backflush),
- .inbubble(bubble_out_fetch), .insn(insn_out_fetch),
- .inpc(pc_out_fetch), .cpsr(writeback_out_cpsr),
- .outstall(stall_cause_issue), .outbubble(bubble_out_issue),
- .outpc(pc_out_issue), .outinsn(insn_out_issue));
+ /*AUTOINST*/
+ // Outputs
+ .stall_0a (stall_0a),
+ .bubble_2a (bubble_2a),
+ .pc_2a (pc_2a[31:0]),
+ .insn_2a (insn_2a[31:0]),
+ // Inputs
+ .clk (clk),
+ .Nrst (Nrst),
+ .stall_1a (stall_cause_execute), // Templated
+ .flush_1a (execute_out_backflush | writeback_out_backflush), // Templated
+ .bubble_1a (bubble_1a),
+ .insn_1a (insn_1a[31:0]),
+ .pc_1a (pc_1a[31:0]),
+ .cpsr_1a (writeback_out_cpsr)); // Templated
- RegFile regfile(
- .clk(clk),
- .read_0(regfile_read_0), .read_1(regfile_read_1), .read_2(regfile_read_2), .read_3(regfile_read_3),
- .rdata_0(regfile_rdata_0), .rdata_1(regfile_rdata_1), .rdata_2(regfile_rdata_2), .rdata_3(regfile_rdata_3),
+ /* RegFile AUTO_TEMPLATE (
.spsr(regfile_spsr),
- .write(regfile_write), .write_reg(regfile_write_reg), .write_data(regfile_write_data));
+ .write(regfile_write),
+ .write_reg(regfile_write_reg),
+ .write_data(regfile_write_data),
+ );
+ */
+ wire [3:0] rf__read_3_4a;
+ RegFile regfile(
+ /*AUTOINST*/
+ // Outputs
+ .rf__rdata_0_1a (rf__rdata_0_1a[31:0]),
+ .rf__rdata_1_1a (rf__rdata_1_1a[31:0]),
+ .rf__rdata_2_1a (rf__rdata_2_1a[31:0]),
+ .rf__rdata_3_4a (rf__rdata_3_4a[31:0]),
+ .spsr (regfile_spsr), // Templated
+ // Inputs
+ .clk (clk),
+ .Nrst (Nrst),
+ .rf__read_0_1a (rf__read_0_1a[3:0]),
+ .rf__read_1_1a (rf__read_1_1a[3:0]),
+ .rf__read_2_1a (rf__read_2_1a[3:0]),
+ .rf__read_3_4a (rf__read_3_4a[3:0]),
+ .write (regfile_write), // Templated
+ .write_reg (regfile_write_reg), // Templated
+ .write_data (regfile_write_data)); // Templated
- Decode decode(
- .clk(clk),
+ /* Decode AUTO_TEMPLATE (
.stall(stall_cause_execute),
- .insn(insn_out_fetch), .inpc(pc_out_fetch), .incpsr(writeback_out_cpsr), .inspsr(writeback_out_spsr),
- .op0(decode_out_op0), .op1(decode_out_op1), .op2(decode_out_op2),
- .carry(decode_out_carry), .outcpsr(decode_out_cpsr), .outspsr(decode_out_spsr),
- .read_0(regfile_read_0), .read_1(regfile_read_1), .read_2(regfile_read_2),
- .rdata_0(regfile_rdata_0), .rdata_1(regfile_rdata_1), .rdata_2(regfile_rdata_2));
-
+ .cpsr_1a(writeback_out_cpsr),
+ .spsr_1a(writeback_out_spsr),
+ );
+ */
+ Decode decode(
+ /*AUTOINST*/
+ // Outputs
+ .op0_2a (op0_2a[31:0]),
+ .op1_2a (op1_2a[31:0]),
+ .op2_2a (op2_2a[31:0]),
+ .carry_2a (carry_2a),
+ .cpsr_2a (cpsr_2a[31:0]),
+ .spsr_2a (spsr_2a[31:0]),
+ .rf__read_0_1a (rf__read_0_1a[3:0]),
+ .rf__read_1_1a (rf__read_1_1a[3:0]),
+ .rf__read_2_1a (rf__read_2_1a[3:0]),
+ // Inputs
+ .clk (clk),
+ .stall (stall_cause_execute), // Templated
+ .insn_1a (insn_1a[31:0]),
+ .pc_1a (pc_1a[31:0]),
+ .cpsr_1a (writeback_out_cpsr), // Templated
+ .spsr_1a (writeback_out_spsr), // Templated
+ .rf__rdata_0_1a (rf__rdata_0_1a[31:0]),
+ .rf__rdata_1_1a (rf__rdata_1_1a[31:0]),
+ .rf__rdata_2_1a (rf__rdata_2_1a[31:0]));
+
+ /* Execute AUTO_TEMPLATE (
+ .stall_2a(stall_cause_memory),
+ .flush_2a(writeback_out_backflush),
+ .outstall_2a(stall_cause_execute),
+ .bubble_3a(bubble_out_execute),
+ .write_reg_3a(execute_out_write_reg),
+ .write_num_3a(execute_out_write_num),
+ .write_data_3a(execute_out_write_data),
+ .jmp_2a(jmp_out_execute),
+ .jmppc_2a(jmppc_out_execute),
+ .pc_3a(pc_out_execute),
+ .insn_3a(insn_out_execute),
+ .op0_3a(execute_out_op0),
+ .op1_3a(execute_out_op1),
+ .op2_3a(execute_out_op2),
+ .cpsr_3a(execute_out_cpsr),
+ .spsr_3a(execute_out_spsr),
+ .cpsrup_3a(execute_out_cpsrup),
+ );
+ */
Execute execute(
- .clk(clk), .Nrst(1'b0),
- .stall(stall_cause_memory), .flush(writeback_out_backflush),
- .inbubble(bubble_out_issue), .pc(pc_out_issue), .insn(insn_out_issue),
- .cpsr(decode_out_cpsr), .spsr(decode_out_spsr), .op0(decode_out_op0), .op1(decode_out_op1),
- .op2(decode_out_op2), .carry(decode_out_carry),
- .outstall(stall_cause_execute), .outbubble(bubble_out_execute),
- .write_reg(execute_out_write_reg), .write_num(execute_out_write_num),
- .write_data(execute_out_write_data),
- .jmp(jmp_out_execute), .jmppc(jmppc_out_execute),
- .outpc(pc_out_execute), .outinsn(insn_out_execute),
- .outop0(execute_out_op0), .outop1(execute_out_op1), .outop2(execute_out_op2),
- .outcpsr(execute_out_cpsr), .outspsr(execute_out_spsr), .outcpsrup(execute_out_cpsrup));
+ /*AUTOINST*/
+ // Outputs
+ .outstall_2a (stall_cause_execute), // Templated
+ .bubble_3a (bubble_out_execute), // Templated
+ .cpsr_3a (execute_out_cpsr), // Templated
+ .spsr_3a (execute_out_spsr), // Templated
+ .cpsrup_3a (execute_out_cpsrup), // Templated
+ .write_reg_3a (execute_out_write_reg), // Templated
+ .write_num_3a (execute_out_write_num), // Templated
+ .write_data_3a (execute_out_write_data), // Templated
+ .jmppc_2a (jmppc_out_execute), // Templated
+ .jmp_2a (jmp_out_execute), // Templated
+ .pc_3a (pc_out_execute), // Templated
+ .insn_3a (insn_out_execute), // Templated
+ .op0_3a (execute_out_op0), // Templated
+ .op1_3a (execute_out_op1), // Templated
+ .op2_3a (execute_out_op2), // Templated
+ // Inputs
+ .clk (clk),
+ .Nrst (Nrst),
+ .stall_2a (stall_cause_memory), // Templated
+ .flush_2a (writeback_out_backflush), // Templated
+ .bubble_2a (bubble_2a),
+ .pc_2a (pc_2a[31:0]),
+ .insn_2a (insn_2a[31:0]),
+ .cpsr_2a (cpsr_2a[31:0]),
+ .spsr_2a (spsr_2a[31:0]),
+ .op0_2a (op0_2a[31:0]),
+ .op1_2a (op1_2a[31:0]),
+ .op2_2a (op2_2a[31:0]),
+ .carry_2a (carry_2a));
assign execute_out_backflush = jmp;
assign cp_insn = insn_out_execute;
Memory memory(
- .clk(clk), .Nrst(1'b0),
+ .clk(clk), .Nrst(~rst),
/* stall? */ .flush(writeback_out_backflush),
.busaddr(dcache_addr), .rd_req(dcache_rd_req), .wr_req(dcache_wr_req),
.rw_wait(dcache_rw_wait), .wr_data(dcache_wr_data), .rd_data(dcache_rd_data),
- .st_read(regfile_read_3), .st_data(regfile_rdata_3),
+ .st_read(rf__read_3_4a), .st_data(rf__rdata_3_4a),
.inbubble(bubble_out_execute), .pc(pc_out_execute), .insn(insn_out_execute),
.op0(execute_out_op0), .op1(execute_out_op1), .op2(execute_out_op2),
.spsr(execute_out_spsr), .cpsr(execute_out_cpsr), .cpsrup(execute_out_cpsrup),
Terminal terminal(
.clk(clk),
.cp_req(cp_req), .cp_insn(cp_insn), .cp_ack(cp_ack_terminal), .cp_busy(cp_busy_terminal), .cp_rnw(cp_rnw),
- .cp_read(cp_read_terminal), .cp_write(cp_write));
+ .cp_read(cp_read_terminal), .cp_write(cp_write)
+`ifdef verilator
+`else
+ , .sys_odata(sys_odata), .sys_tookdata(sys_tookdata), .sys_idata(sys_idata)
+`endif
+ );
Writeback writeback(
.clk(clk),
begin
clockno <= clockno + 1;
$display("------------------------------------------------------------------------------");
- $display("%3d: FETCH: Bubble: %d, Instruction: %08x, PC: %08x", clockno, bubble_out_fetch, insn_out_fetch, pc_out_fetch);
- $display("%3d: ISSUE: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x", clockno, stall_cause_issue, bubble_out_issue, insn_out_issue, pc_out_issue);
- $display("%3d: DECODE: op0 %08x, op1 %08x, op2 %08x, carry %d", clockno, decode_out_op0, decode_out_op1, decode_out_op2, decode_out_carry);
+ $display("%3d: FETCH: Bubble: %d, Instruction: %08x, PC: %08x", clockno, bubble_1a, insn_1a, pc_1a);
+ $display("%3d: ISSUE: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x", clockno, stall_0a, bubble_2a, insn_2a, pc_2a);
+ $display("%3d: DECODE: op0 %08x, op1 %08x, op2 %08x, carry %d", clockno, op0_2a, op1_2a, op2_2a, carry_2a);
$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);
$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);
$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);
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