diff options
Diffstat (limited to 'target-s390x/misc_helper.c')
| -rw-r--r-- | target-s390x/misc_helper.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c index 73d01935be..8eac0e12b9 100644 --- a/target-s390x/misc_helper.c +++ b/target-s390x/misc_helper.c @@ -625,6 +625,18 @@ void HELPER(per_ifetch)(CPUS390XState *env, uint64_t addr) if ((env->cregs[9] & PER_CR9_EVENT_IFETCH) && get_per_in_range(env, addr)) { env->per_address = addr; env->per_perc_atmid = PER_CODE_EVENT_IFETCH | get_per_atmid(env); + + /* If the instruction has to be nullified, trigger the + exception immediately. */ + if (env->cregs[9] & PER_CR9_EVENT_NULLIFICATION) { + CPUState *cs = CPU(s390_env_get_cpu(env)); + + env->int_pgm_code = PGM_PER; + env->int_pgm_ilen = get_ilen(cpu_ldub_code(env, addr)); + + cs->exception_index = EXCP_PGM; + cpu_loop_exit(cs); + } } } #endif |