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Re: [Xen-devel] [PATCH 07/10] xen/arm: Force domains to use normal GICv2 driver on Hip04 platform



Hi Frediano,

FYI, this is only force DOM0 to use the normal GICv2 drivers.

Do you have any plan to support hi-silicon vGIC in Xen? This would allow
guest running with more than 8 cores.

Regards,

On 11/03/2014 10:11 AM, Frediano Ziglio wrote:
> Until vGIC support is not implemented and tested, this will prevent
> guest kernels to use their Hip04 driver, or crash when they don't
> have any.
> 
> Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
> ---
>  xen/arch/arm/gic-v2.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/xen/arch/arm/gic-v2.c b/xen/arch/arm/gic-v2.c
> index e7bf331..d92e2c0 100644
> --- a/xen/arch/arm/gic-v2.c
> +++ b/xen/arch/arm/gic-v2.c
> @@ -641,6 +641,12 @@ static int gicv2_make_dt_node(const struct domain *d,
>          return -FDT_ERR_XEN(ENOENT);
>      }
>  
> +    if ( platform_has_quirk(PLATFORM_QUIRK_GICV2_16_CPU) )
> +    {
> +        compatible = DT_COMPAT_GIC_CORTEX_A15;
> +        len = strlen((char*) compatible) + 1;
> +    }
> +
>      res = fdt_begin_node(fdt, "interrupt-controller");
>      if ( res )
>          return res;
> 


-- 
Julien Grall

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