Fixed exception handling to handle ecalls properly

2023-04-13 09:23:32 -07:00 · 2023-04-13 09:23:32 -07:00 · f8a8c43307
commit f8a8c43307
parent f54868f19d
1 changed files with 1 additions and 2 deletions
--- 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