[Xen-devel] Re: [PATCH]mini-os: Fix to get netfront running on ia64

[Grzegorz Milos <gm281@xxxxxxxxx>]

That looks good. Keir could you apply please (if you haven't done so 
already).
Thanks
Gregor

> Hi,
>
> to get the netfront stuff on ia64 architecture running I still need to include 
> the attached patch.
> Please have a look and send comments!
> Thanks.
>
> Dietmar.
>
>
> ------------------------------------------------------------------------
>
> # HG changeset patch
> # User dietmar.hahn@xxxxxxxxxxxxxxxxxxx
> # Date 1170687542 -3600
> # Node ID 80cd2c0ee40cddec1914542f221159b5911368b3
> # Parent  01ec7dba9ff805a5c74a0318997b747d3e3e3327
> 2 Fixes for supporting netfront on ia64.
>
> Signed-off-by: Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxxxxxxx>
>
>
> diff -r 01ec7dba9ff8 -r 80cd2c0ee40c extras/mini-os/gnttab.c
> --- a/extras/mini-os/gnttab.c   Fri Feb 02 16:07:13 2007 +0000
> +++ b/extras/mini-os/gnttab.c   Mon Feb 05 15:59:02 2007 +0100
> @@ -21,7 +21,12 @@
>  
>  #define NR_RESERVED_ENTRIES 8
>  
> +/* NR_GRANT_FRAMES must be less than or equal to that configured in Xen */
> +#ifdef __ia64__
> +#define NR_GRANT_FRAMES 1
> +#else
>  #define NR_GRANT_FRAMES 4
> +#endif
>  #define NR_GRANT_ENTRIES (NR_GRANT_FRAMES * PAGE_SIZE / sizeof(grant_entry_t))
>  
>  static grant_entry_t *gnttab_table;
> diff -r 01ec7dba9ff8 -r 80cd2c0ee40c extras/mini-os/netfront.c
> --- a/extras/mini-os/netfront.c Fri Feb 02 16:07:13 2007 +0000
> +++ b/extras/mini-os/netfront.c Mon Feb 05 15:59:02 2007 +0100
> @@ -349,7 +349,9 @@ done:
>      init_rx_buffers();
>  
>      unsigned char rawmac[6];
> -    sscanf(mac,"%x:%x:%x:%x:%x:%x",
> +        /* Special conversion specifier 'hh' needed for __ia64__. Without
> +           this mini-os panics with 'Unaligned reference'. */
> +    sscanf(mac,"%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
>              &rawmac[0],
>              &rawmac[1],
>              &rawmac[2],
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