[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v3 12/16] target-arm: A64: Correct updates to FA
From: |
Edgar E. Iglesias |
Subject: |
Re: [Qemu-devel] [PATCH v3 12/16] target-arm: A64: Correct updates to FAR and ESR on exceptions |
Date: |
Mon, 4 Aug 2014 14:02:14 +1000 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Aug 01, 2014 at 02:56:29PM +0100, Peter Maydell wrote:
> On 17 June 2014 09:45, Edgar E. Iglesias <address@hidden> wrote:
> > From: "Edgar E. Iglesias" <address@hidden>
> >
> > Not all exception types update both FAR and ESR.
> >
> > Reviewed-by: Alex Bennée <address@hidden>
> > Reviewed-by: Greg Bellows <address@hidden>
> > Signed-off-by: Edgar E. Iglesias <address@hidden>
> > ---
> > target-arm/helper-a64.c | 6 ++----
> > 1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
> > index 4be0784..cf8ce1e 100644
> > --- a/target-arm/helper-a64.c
> > +++ b/target-arm/helper-a64.c
> > @@ -466,18 +466,16 @@ void aarch64_cpu_do_interrupt(CPUState *cs)
> > env->exception.syndrome);
> > }
> >
> > - env->cp15.esr_el[new_el] = env->exception.syndrome;
> > - env->cp15.far_el[new_el] = env->exception.vaddress;
> > -
> > switch (cs->exception_index) {
> > case EXCP_PREFETCH_ABORT:
> > case EXCP_DATA_ABORT:
> > + env->cp15.far_el[new_el] = env->exception.vaddress;
> > qemu_log_mask(CPU_LOG_INT, "...with FAR 0x%" PRIx64 "\n",
> > env->cp15.far_el[new_el]);
> > - break;
>
> If you want this to fall through, you need a /* fall through */ comment.
Added, thanks.
>
> > case EXCP_BKPT:
> > case EXCP_UDEF:
> > case EXCP_SWI:
> > + env->cp15.esr_el[new_el] = env->exception.syndrome;
> > break;
> > case EXCP_IRQ:
> > addr += 0x80;
> > --
>
> thanks
> -- PMM