Re: [Qemu-devel] [PATCH v5 4/6] raspi: Specify the valid CPUs

[Igor Mammedov <imammedo@redhat.com>]

On Thu, 15 Feb 2018 13:17:50 +0000
Peter Maydell <peter.maydell@linaro.org> wrote:

> On 15 February 2018 at 13:04, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
> > Hi Peter,
> >
> > On 02/15/2018 08:29 AM, Peter Maydell wrote:  
> >> On 2 February 2018 at 00:42, Alistair Francis
> >> <alistair.francis@xilinx.com> wrote:  
> >>> List all possible valid CPU options.
> >>>
> >>> Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
> >>> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> >>> ---
> >>>
> >>> V5:
> >>>  - Use cpu_model names
> >>> V4:
> >>>  - Remove spaces
> >>> V3:
> >>>  - Add static property
> >>> V2:
> >>>  - Fix the indentation
> >>>
> >>>  hw/arm/raspi.c | 7 +++++++
> >>>  1 file changed, 7 insertions(+)
> >>>
> >>> diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
> >>> index cd5fa8c3dc..745a880726 100644
> >>> --- a/hw/arm/raspi.c
> >>> +++ b/hw/arm/raspi.c
> >>> @@ -158,6 +158,11 @@ static void raspi2_init(MachineState *machine)
> >>>      setup_boot(machine, 2, machine->ram_size - vcram_size);
> >>>  }
> >>>
> >>> +static const char *raspi2_valid_cpus[] = {
> >>> +    "cortex-a7",
> >>> +    NULL
> >>> +};  
> >>
> >> Is this definitely right? Looking at the code, the raspi2 board
> >> creates a TYPE_BCM2836, and that creates cortex-a15 CPUs...  
> >
> > The BCM2836 use a cortex-a7 but this cpu was not available at the time
> > of this commit (bad5623690b) and was added later in dcf578ed8ce "The A7
> > is very similar to the A15."
> >
> > I can prepare a patch for it to apply before this series.  
> 
> I noticed after I'd written that comment that patch 3 in this
> series does exactly the change to cortex-a7...
anyways this series, needs not to depend MachineState::cpu_model,
removal of which is queued in Eduardo's tree.

It seems we can't find consensus on how to deal with cpu_model names
in boards code [1/6].

> 
> thanks
> -- PMM