Re: [PATCH] target/arm: don't bother with id_aa64pfr0_read for USER_ONLY

[Peter Maydell]

On Fri, 6 Dec 2019 at 12:22, Alex Bennée <address@hidden> wrote:
>
> For system emulation we need to check the state of the GIC before we
> report the value. However this isn't relevant to exporting of the
> value to linux-user and indeed breaks the exported value as set by
> modify_arm_cp_regs.
>
> [AJB: the other option would be just to set reset value anyway and not
> ifdef out the readfn as the register will become const anyway]

If you want it to be const it would be clearer to define it
with ARM_CP_CONST... I'm not sure what an ARM_CP_NO_RAW without
a readfn or a fieldoffset will do on reads.

thanks
-- PMM