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-rw-r--r--isa/rv64mi/ma_addr.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/isa/rv64mi/ma_addr.S b/isa/rv64mi/ma_addr.S
index 721ac6a..f02a1af 100644
--- a/isa/rv64mi/ma_addr.S
+++ b/isa/rv64mi/ma_addr.S
@@ -99,10 +99,12 @@ mtvec_handler:
bne t0, s1, fail
csrr t0, mbadaddr
+ beqz t0, 1f
bne t0, t1, fail
lb t0, (t0)
beqz t0, fail
+1:
csrw mepc, t2
mret