From 6aff6b0fa34f19d8e35bbf7c5230948c3f9535f4 Mon Sep 17 00:00:00 2001
From: Ross Thompson <ross1728@gmail.com>
Date: Mon, 20 Dec 2021 10:03:56 -0600
Subject: [PATCH] Modified LSU verilog is compatible with vivado.  have to use
 extra logic IEUAdrExtM.

---
 wally-pipelined/src/lsu/lsu.sv | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wally-pipelined/src/lsu/lsu.sv b/wally-pipelined/src/lsu/lsu.sv
index 643962882..7914b7106 100644
--- a/wally-pipelined/src/lsu/lsu.sv
+++ b/wally-pipelined/src/lsu/lsu.sv
@@ -94,6 +94,7 @@ module lsu
   logic 					   DTLBPageFaultM;
   
   logic [`PA_BITS-1:0] 		   MemPAdrM;  // from mmu to dcache
+  logic [`XLEN+1:0] 		   IEUAdrExtM;
   logic 					   DTLBMissM;
   logic 					   DTLBWriteM;
   logic 					   HPTWStall;  
@@ -230,7 +231,8 @@ module lsu
   //flop #(`PA_BITS) HPTWAdrMReg(clk, HPTWAdr, HPTWAdrM);   // delay HPTWAdrM by a cycle
 
   assign AtomicMtoDCache = SelHPTW ? 2'b00 : AtomicM;
-  assign MemPAdrNoTranslate = SelHPTW ? HPTWAdr : {2'b00, IEUAdrM}[`PA_BITS-1:0]; 
+  assign IEUAdrExtM = {2'b00, IEUAdrM};
+  assign MemPAdrNoTranslate = SelHPTW ? HPTWAdr : IEUAdrExtM[`PA_BITS-1:0]; 
   assign MemAdrE = SelHPTW ? HPTWAdr[11:0] : IEUAdrE[11:0];  
   assign CPUBusy = SelHPTW ? 1'b0 : StallW;
   // always block interrupts when using the hardware page table walker.