On Tue, 5 Dec 2017 10:32:03 +0100 Janosch Frank <frankja@xxxxxxxxxxxxxxxxxx> wrote: > On 05.12.2017 10:13, Cornelia Huck wrote: > > This reminds me of something I stumbled upon the other day: > > > > handle_ri() and handle_gs() (both implemented in priv.c) don't seem to > > have a check for PSTATE, yet they enable ri/gs before retrying the > > instruction. Is that correct? > > > > None of the gs instructions are privileged as far as I know. Same seems > to be true for ri as far as I've scanned the spec. > > The privileged parts are the control register and PSW changes which are > handled elsewhere. OK, thanks. I found the z14 PoP, but the ri instructions don't seem to be documented in there.
