X-Git-Url: http://git.joshuawise.com/firearm.git/blobdiff_plain/acae28be768b6bcdae19c384826477548d6e72b1..6060e5359241449a70a27ed0d7023951ee21ceeb:/system.v

diff --git a/system.v b/system.v
index 8ab3e23..4601ae7 100644
--- a/system.v
+++ b/system.v
@@ -54,6 +54,8 @@ module System(input clk);
 	wire [31:0] pc_out_fetch;
 	wire [31:0] pc_out_issue;
 
+	wire execute_out_backflush;
+
 	BusArbiter busarbiter(.bus_req(bus_req), .bus_ack(bus_ack));
 
 	ICache icache(
@@ -84,7 +86,7 @@ module System(input clk);
 	Issue issue(
 		.clk(clk),
 		.Nrst(1'b1 /* XXX */),
-		.stall(stall_cause_execute), .flush(1'b0 /* XXX */),
+		.stall(stall_cause_execute), .flush(execute_out_backflush),
 		.inbubble(bubble_out_fetch), .insn(insn_out_fetch),
 		.inpc(pc_out_fetch), .cpsr(32'b0 /* XXX */),
 		.outstall(stall_cause_issue), .outbubble(bubble_out_issue),
@@ -106,7 +108,7 @@ module System(input clk);
 	
 	Execute execute(
 		.clk(clk), .Nrst(1'b0),
-		.stall(1'b0 /* XXX */), .flush(1'b0 /* XXX */),
+		.stall(1'b0 /* XXX */), .flush(1'b0),
 		.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),
@@ -115,6 +117,7 @@ module System(input clk);
 		.write_data(execute_out_write_data),
 		.jmppc(jmppc),
 		.jmp(jmp));
+	assign execute_out_backflush = jmp;
 
 	reg [31:0] clockno = 0;
 	always @(posedge clk)