wire stall_cause_issue;
wire stall_cause_execute;
- wire [31:0] decode_out_op0, decode_out_op1, decode_out_op2;
+ wire [31:0] decode_out_op0, decode_out_op1, decode_out_op2, decode_out_spsr;
wire decode_out_carry;
wire [3:0] regfile_read_0, regfile_read_1, regfile_read_2;
- wire [31:0] regfile_rdata_0, regfile_rdata_1, regfile_rdata_2;
+ wire [31:0] regfile_rdata_0, regfile_rdata_1, regfile_rdata_2, regfile_spsr;
wire execute_out_stall, execute_out_bubble;
wire execute_out_write_reg;
wire [3:0] execute_out_write_num;
.clk(clk),
.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),
- .write(4'b0), .write_req(1'b0), .write_data(10 /* XXX */));
+ .spsr(regfile_spsr), .write(4'b0), .write_req(1'b0), .write_data(10 /* XXX */));
Decode decode(
.clk(clk),
- .insn(insn_out_fetch), .inpc(pc_out_fetch), .incpsr(32'b0 /* XXX */),
+ .insn(insn_out_fetch), .inpc(pc_out_fetch), .incpsr(32'b0 /* XXX */), .inspsr(regfile_spsr),
.op0(decode_out_op0), .op1(decode_out_op1), .op2(decode_out_op2),
- .carry(decode_out_carry),
+ .carry(decode_out_carry), .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));
.clk(clk), .Nrst(1'b0),
.stall(1'b0 /* XXX */), .flush(1'b0 /* XXX */),
.inbubble(bubble_out_issue), .pc(pc_out_issue), .insn(insn_out_issue),
- .cpsr(32'b0 /* XXX */), .op0(decode_out_op0), .op1(decode_out_op1),
+ .cpsr(32'b0 /* XXX */), .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(execute_out_bubble),
.write_reg(execute_out_write_reg), .write_num(execute_out_write_num),
$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: op1 %08x, op2 %08x, op3 %08x, carry %d", clockno, decode_out_op0, decode_out_op1, decode_out_op2, decode_out_carry);
+ $display("%3d: EXEC: Stall: %d, Bubble: %d, Output: %d, [%08x -> %d]", clockno, stall_cause_execute, execute_out_bubble, execute_out_write_reg, execute_out_write_data, execute_out_write_num);
end
endmodule