wire [31:0] pc_out_fetch;
wire [31:0] pc_out_issue;
+ wire execute_outflush = jmp;
+ wire issue_flush = execute_outflush;
+ wire execute_flush = 1'b0;
+
BusArbiter busarbiter(.bus_req(bus_req), .bus_ack(bus_ack));
ICache icache(
Issue issue(
.clk(clk),
.Nrst(1'b1 /* XXX */),
- .stall(stall_cause_execute), .flush(1'b0 /* XXX */),
+ .stall(stall_cause_execute), .flush(issue_flush),
.inbubble(bubble_out_fetch), .insn(insn_out_fetch),
.inpc(pc_out_fetch), .cpsr(32'b0 /* XXX */),
.outstall(stall_cause_issue), .outbubble(bubble_out_issue),
Execute execute(
.clk(clk), .Nrst(1'b0),
- .stall(1'b0 /* XXX */), .flush(1'b0 /* XXX */),
+ .stall(1'b0 /* XXX */), .flush(execute_flush),
.inbubble(bubble_out_issue), .pc(pc_out_issue), .insn(insn_out_issue),
.cpsr(32'b0 /* XXX */), .spsr(decode_out_spsr), .op0(decode_out_op0), .op1(decode_out_op1),
.op2(decode_out_op2), .carry(decode_out_carry),
$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);
+ $display("%3d: EXEC: Stall: %d, Bubble: %d, Reg: %d, [%08x -> %d], Jmp: %d [%08x]", clockno, stall_cause_execute, execute_out_bubble, execute_out_write_reg, execute_out_write_data, execute_out_write_num, jmp, jmppc);
end
endmodule