diff options
Diffstat (limited to 'target-microblaze/op_helper.c')
-rw-r--r-- | target-microblaze/op_helper.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c index f86b1c78c9..134d243e65 100644 --- a/target-microblaze/op_helper.c +++ b/target-microblaze/op_helper.c @@ -167,7 +167,12 @@ static inline int div_prepare(uint32_t a, uint32_t b) { if (b == 0) { env->sregs[SR_MSR] |= MSR_DZ; - /* FIXME: Raise the div by zero exception. */ + + if ((env->sregs[SR_MSR] & MSR_EE) + && !(env->pvr.regs[2] & PVR2_DIV_ZERO_EXC_MASK)) { + env->sregs[SR_ESR] = ESR_EC_DIVZERO; + helper_raise_exception(EXCP_HW_EXCP); + } return 0; } env->sregs[SR_MSR] &= ~MSR_DZ; |