On 3/10/23 09:42, Ilya Leoshkevich wrote:
@@ -381,6 +382,14 @@ static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch) static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc, target_ulong *cs_base, uint32_t *flags) { + if (env->psw.addr & 1) { + /* + * Instructions must be at even addresses. + * This needs to be checked before address translation. + */ + env->int_pgm_ilen = 2; /* see s390_cpu_tlb_fill() */ + tcg_s390_program_interrupt(env, PGM_SPECIFICATION, 0); + }
This is incorrect placement. You can't raise an exception from all of the places from which this is called.
You need to do this at the start of s390x_tr_translate_insn. Compare aarch64_tr_translate_insn and the test for (pc & 3). r~