Re: [Xen-devel] [PATCH v4 13/17] libxc: arm: allow passing a device tree blob to the guest

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Tue, 12 Nov 2013, Ian Campbell wrote:
> @@ -916,6 +950,25 @@ int xc_dom_build_image(struct xc_dom_image *dom)
>              memcpy(ramdiskmap, dom->ramdisk_blob, dom->ramdisk_size);
>      }
>  
> +    /* load devicetree */
> +    if ( dom->devicetree_blob )
> +    {
> +        void *devicetreemap;
> +
> +        if ( xc_dom_alloc_segment(dom, &dom->devicetree_seg, "devicetree",
> +                                  dom->devicetree_seg.vstart,
> +                                  dom->devicetree_size) != 0 )
> +            goto err;
> +        devicetreemap = xc_dom_seg_to_ptr(dom, &dom->devicetree_seg);
> +        if ( devicetreemap == NULL )
> +        {
> +            DOMPRINTF("%s: xc_dom_seg_to_ptr(dom, &dom->devicetree_seg) => 
> NULL",
> +                      __FUNCTION__);
> +            goto err;
> +        }
> +        memcpy(devicetreemap, dom->devicetree_blob, dom->devicetree_size);

flush dcache?

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