From f8a8c433076f941df0b39ffae80ab980e88f3aba Mon Sep 17 00:00:00 2001
From: Alexa Wright <acwright@hmc.edu>
Date: Thu, 13 Apr 2023 09:23:32 -0700
Subject: [PATCH] Fixed exception handling to handle ecalls properly

---
 tests/coverage/WALLY-init-lib.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tests/coverage/WALLY-init-lib.h b/tests/coverage/WALLY-init-lib.h
index 1dd43acc..6b6dd6dd 100644
--- a/tests/coverage/WALLY-init-lib.h
+++ b/tests/coverage/WALLY-init-lib.h
@@ -66,8 +66,7 @@ interrupt:              # must be a timer interrupt
     j trap_return       # clean up and return
 
 exception:
-    li t0, 2
-    csrr t1, mcause
+    csrr t0, mcause
     li t1, 8            # is it an ecall trap?
     andi t0, t0, 0xFC # if CAUSE = 8, 9, or 11
     bne t0, t1, trap_return # ignore other exceptions