diff options
Diffstat (limited to 'isa')
| -rw-r--r-- | isa/rv64mi/illegal.S | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/isa/rv64mi/illegal.S b/isa/rv64mi/illegal.S index d825c44..5531570 100644 --- a/isa/rv64mi/illegal.S +++ b/isa/rv64mi/illegal.S @@ -134,11 +134,12 @@ synchronous_exception: # Make sure mtval contains either 0 or the instruction word. csrr t2, mbadaddr beqz t2, 1f - lhu t3, 0(t0) - lhu t4, 2(t0) - slli t4, t4, 16 - or t3, t3, t4 - bne t2, t3, fail + lhu t1, 0(t0) + xor t2, t2, t1 + lhu t1, 2(t0) + slli t1, t1, 16 + xor t2, t2, t1 + bnez t2, fail 1: la t1, bad2 |