Re: [PATCH v4 3/4] target/xtensa: Make sure that tb->size != 0

On Thu, Apr 15, 2021 at 6:03 AM Ilya Leoshkevich wrote: > > tb_gen_code() assumes that tb->size must never be zero, otherwise it > may produce spurious exceptions. For xtensa this may happen when > decoding an unknown instruction, when handling a write into the > CCOUNT or CCOMPARE special registe

[PATCH v4 3/4] target/xtensa: Make sure that tb->size != 0

tb_gen_code() assumes that tb->size must never be zero, otherwise it may produce spurious exceptions. For xtensa this may happen when decoding an unknown instruction, when handling a write into the CCOUNT or CCOMPARE special register and when single-stepping the first instruction of an exception ha