Re: [Qemu-devel] [PATCH 2/2] register: fix incorrect read mask

[Philippe Mathieu-Daudé]

On 02/10/2017 07:19 PM, Alistair Francis wrote:
> On Mon, Feb 6, 2017 at 3:39 PM, Philippe Mathieu-Daudé <address@hidden> wrote:
> > The register_read() function expects a bitmask argument.
> >
> > Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
>
> The functionality of these two patches looks good to me.
>
> I think it's weird that we convert the write function in one patch
> (when we add the function) and the read in another.
>
> I think both patches should just be squashed together. It's a pretty
> small change.
>
> Thanks,
>
> Alistair

Sure, will do in v2.

Thanks!

> > ---
> >  hw/core/register.c | 6 +++++-
> >  1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/hw/core/register.c b/hw/core/register.c
> > index 12f4c1e62d..482e3f827a 100644
> > --- a/hw/core/register.c
> > +++ b/hw/core/register.c
> > @@ -213,6 +213,7 @@ uint64_t register_read_memory(void *opaque, hwaddr addr,
> >      RegisterInfoArray *reg_array = opaque;
> >      RegisterInfo *reg = NULL;
> >      uint64_t read_val;
> > +    uint64_t re;
> >      int i;
> >
> >      for (i = 0; i < reg_array->num_elements; i++) {
> > @@ -228,7 +229,10 @@ uint64_t register_read_memory(void *opaque, hwaddr addr,
> >          return 0;
> >      }
> >
> > -    read_val = register_read(reg, size * 8, reg_array->prefix,
> > +    /* Generate appropriate read enable mask */
> > +    re = register_enabled_mask(reg->data_size, size);
> > +
> > +    read_val = register_read(reg, re, reg_array->prefix,
> >                               reg_array->debug);
> >
> >      return extract64(read_val, 0, size * 8);
> > --
> > 2.11.0