On Thu, Mar 22, 2012 at 8:40 PM, Rusty Russell <rusty at rustcorp.com.au> wrote:
> Current guests don't do this, and it's not clear what we should do if they
> try to turn on ECC or set various RAM latencies. ?When someone does this,
> we'll have a better idea of what we should do about it.
>
> Signed-off-by: Rusty Russell <rusty.russell at linaro.org>
>
> diff --git a/arch/arm/kvm/emulate.c b/arch/arm/kvm/emulate.c
> index c07eb2b..b83e4ba 100644
> --- a/arch/arm/kvm/emulate.c
> +++ b/arch/arm/kvm/emulate.c
> @@ -290,13 +290,10 @@ static const struct coproc_emulate coproc_emulate[] = {
> ? ? ? ?{ CRn( 0), CRm( 1), Op1( 0), Op2( 2), is32, ?READ, ?read_id_dfr0},
>
> ? ? ? ?/*
> - ? ? ? ?* L2CTLR access:
> - ? ? ? ?*
> - ? ? ? ?* Ignore writes completely.
> + ? ? ? ?* L2CTLR access (guest wants to know #CPUs).
> ? ? ? ? *
> ? ? ? ? * FIXME: Hack Alert: Read zero as default case.
> ? ? ? ? */
> - ? ? ? { CRn( 9), CRm( 0), Op1( 1), Op2( 2), is32, ?WRITE, ignore_write},
> ? ? ? ?{ CRn( 9), CRm( 0), Op1( 1), Op2( 2), is32, ?READ, ?read_l2ctlr},
> ? ? ? ?{ CRn( 9), CRm(DF), Op1(DF), Op2(DF), is32, ?WRITE, ignore_write},
> ? ? ? ?{ CRn( 9), CRm(DF), Op1(DF), Op2(DF), is32, ?READ, ?read_zero},
ack
