Re: [Xen-devel] [PATCH v5 17/19] libxc: support for arm64 Image format

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 11/13/2013 06:11 PM, Ian Campbell wrote:
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> ---
> v4: actually use v_end and drop unused entry_addr
> ---
>   tools/libxc/xc_dom_armzimageloader.c |   85 ++++++++++++++++++++++++++++++++++
>   1 file changed, 85 insertions(+)
>
> diff --git a/tools/libxc/xc_dom_armzimageloader.c 
> b/tools/libxc/xc_dom_armzimageloader.c
> index 4e3f7ae..e6516a1 100644
> --- a/tools/libxc/xc_dom_armzimageloader.c
> +++ b/tools/libxc/xc_dom_armzimageloader.c
> @@ -129,6 +129,83 @@ static int xc_dom_parse_zimage32_kernel(struct 
> xc_dom_image *dom)
>   }
>
>   /* ------------------------------------------------------------ */
> +/* 64-bit zImage Support                                        */
> +/* ------------------------------------------------------------ */
> +
> +#define ZIMAGE64_MAGIC_V0 0x14000008
> +#define ZIMAGE64_MAGIC_V1 0x644d5241 /* "ARM\x64" */
> +
> +/* linux/Documentation/arm64/booting.txt */
> +struct zimage64_hdr {
> +    uint32_t magic0;
> +    uint32_t res0;
> +    uint64_t text_offset;  /* Image load offset */
> +    uint64_t res1;
> +    uint64_t res2;
> +    /* zImage V1 only from here */
> +    uint64_t res3;
> +    uint64_t res4;
> +    uint64_t res5;
> +    uint32_t magic1;
> +    uint32_t res6;
> +};
> +static int xc_dom_probe_zimage64_kernel(struct xc_dom_image *dom)
> +{
> +    struct zimage64_hdr *zimage;
> +
> +    if ( dom->kernel_blob == NULL )
> +    {
> +        xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
> +                     "%s: no kernel image loaded", __FUNCTION__);
> +        return -EINVAL;
> +    }
> +
> +    if ( dom->kernel_size < sizeof(*zimage) )
> +    {
> +        xc_dom_printf(dom->xch, "%s: kernel image too small", __FUNCTION__);
What about using DOMPRINTF instead of xc_dom_printf?

In any case:
Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>

--
Julien Grall

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