Re: illegal hardware instruction during MIPS-I ELF linux user emulation

[Peter Maydell]

On Mon, 23 Sep 2019 at 15:40, Philippe Mathieu-Daudé <address@hidden> wrote:
> So currently there is no MIPS-I only CPU.
> Note that the code got written with MIPS32 in mind, and implementing
> MIPS-I requires a considerable amount of change in the codebase.

...but MIPS-I binaries should run on MIPS-II and newer CPUs, shouldn't
they?

> IMO it is likely the RFE (Return from Exception) instruction.

It seems unlikely that a linux userspace binary would be trying to
execute RFE...

thanks
-- PMM