From 0229df4a0ff383e876f13c7b1d74524933b714a8 Mon Sep 17 00:00:00 2001
From: Rose Thompson <ross1728@gmail.com>
Date: Tue, 28 Nov 2023 01:03:48 -0600
Subject: [PATCH] Oups. Introduced undetected bug into the cache's cbo
 insructions.

---
 src/cache/cachefsm.sv | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cache/cachefsm.sv b/src/cache/cachefsm.sv
index e7e5e0306..f7edfb733 100644
--- a/src/cache/cachefsm.sv
+++ b/src/cache/cachefsm.sv
@@ -129,7 +129,7 @@ module cachefsm import cvw::*; #(parameter cvw_t P,
       STATE_READ_HOLD:       if(Stall)                                         NextState = STATE_READ_HOLD;
                              else                                              NextState = STATE_READY;
       // exclusion-tag-start: icache case
-      STATE_WRITEBACK:       if(CacheBusAck & ~CMOp[3])                        NextState = STATE_FETCH;
+      STATE_WRITEBACK:       if(CacheBusAck & ~(|CMOp[3:1]))                   NextState = STATE_FETCH;
                              else if(CacheBusAck)                              NextState = STATE_READ_HOLD;
                              else                                              NextState = STATE_WRITEBACK;
       // eviction needs a delay as the bus fsm does not correctly handle sending the write command at the same time as getting back the bus ack.