Re: [PATCH v2 6/7] target/nios2: Remove assignment to env in handle_instruction

[Richard Henderson]

On 6/28/21 8:31 AM, Peter Maydell wrote:
> On Sun, 20 Jun 2021 at 23:15, Richard Henderson
> <richard.henderson@linaro.org> wrote:
> > Direct assignments to env during translation do not work.
> >
> > As it happens, the only way we can get here is if env->pc
> > is already set to dc->pc.
>
> More to the point, t_gen_helper_raise_exception() does
>      tcg_gen_movi_tl(dc->cpu_R[R_PC], dc->pc);
> before raising the exception (as you would expect it to).

Ah, didn't notice that.  My comment works from the other direction:

Within the page, 0x1000-0x1fff, any insn executed will raise the 0xaa exception, which 
means pc will be set for that insn.


r~