From 5d798386c3b1c1dc45a2fbc382c9367ccc27c524 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Wed, 9 Nov 2022 09:25:48 -0600
Subject: Implement reset

---
 rtl/core/porch/porch.sv | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

(limited to 'rtl/core/porch')

diff --git a/rtl/core/porch/porch.sv b/rtl/core/porch/porch.sv
index 6f5caf7..2eec438 100644
--- a/rtl/core/porch/porch.sv
+++ b/rtl/core/porch/porch.sv
@@ -3,6 +3,7 @@
 module core_porch
 (
 	input  logic       clk,
+	                   rst_n,
 	                   flush,
 	                   stall,
 	input  psr_flags   flags,
@@ -35,8 +36,12 @@ module core_porch
 		dec.ctrl.conditional = !flush && (dec.ctrl.conditional || conditional);
 	end
 
-	always @(posedge clk)
-		if(!stall) begin
+	always_ff @(posedge clk or negedge rst_n)
+		if(!rst_n) begin
+			insn <= `NOP;
+			insn_pc <= 0;
+			hold_dec <= nop;
+		end else if(!stall) begin
 			insn <= fetch_insn;
 			hold_dec <= fetch_dec;
 
@@ -44,10 +49,4 @@ module core_porch
 				insn_pc <= fetch_insn_pc;
 		end
 
-	initial begin
-		insn = `NOP;
-		insn_pc = 0;
-		hold_dec = nop;
-	end
-
 endmodule
-- 
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