X-Git-Url: http://git.joshuawise.com/firearm.git/blobdiff_plain/4ddc4b728c3d77fc388140a549afe636d527cfbd..f942975c0a890e840bdb9af195229bbdc9a458a5:/Issue.v

diff --git a/Issue.v b/Issue.v
index c3e5791..ef53bc3 100644
--- a/Issue.v
+++ b/Issue.v
@@ -167,7 +167,7 @@ module Issue(
 						(idxbit(rs) | idxbit(rm)) :
 						(idxbit(rm)))) |
 				(((alu_opc != `ALU_MOV) && (alu_opc != `ALU_MVN)) ? idxbit(rn) : 0);
-			def_cpsr = insn[20] /* S */ | alu_is_logical(alu_opc);
+			def_cpsr = insn[20] /* S */;
 			def_regs = alu_flags_only(alu_opc) ? 0 : idxbit(rd);
 		end
 		`DECODE_LDRSTR_UNDEFINED:	/* Undefined. I hate ARM */
@@ -290,15 +290,22 @@ module Issue(
 	begin
 		if (waiting)
 			$display("ISSUE: Stalling instruction %08x because %d/%d", insn, waiting_cpsr, waiting_regs);
-	
-		if (!stall)
+
+		if(flush)
+		begin
+			cpsr_inflight[0] = 1'b0;
+			cpsr_inflight[1] = 1'b0;
+			regs_inflight[0] = 16'b0;
+			regs_inflight[1] = 16'b0;
+		end
+		else if (!stall)
 		begin
 			cpsr_inflight[0] <= cpsr_inflight[1];	/* I'm not sure how well selects work with arrays, and that seems like a dumb thing to get anusulated by. */
 			cpsr_inflight[1] <= (waiting || inbubble || !condition_met) ? 0 : def_cpsr;
 			regs_inflight[0] <= regs_inflight[1];
 			regs_inflight[1] <= (waiting || inbubble || !condition_met) ? 0 : def_regs;
 			
-			outbubble <= inbubble | waiting | !condition_met;
+			outbubble <= inbubble | waiting | !condition_met | flush;
 			outpc <= inpc;
 			outinsn <= insn;
 		end