On Tue, 2011-12-06 at 15:47 +0400, Cyrill Gorcunov wrote:
> On Tue, Dec 06, 2011 at 01:41:56PM +0200, Pekka Enberg wrote:
> > On Tue, Dec 6, 2011 at 12:28 PM, Cyrill Gorcunov <gorcunov@xxxxxxxxx> wrote:
> > > On Tue, Dec 06, 2011 at 12:25:29PM +0200, Pekka Enberg wrote:
> > >> On Tue, Dec 6, 2011 at 5:42 AM, Matt Evans <matt@xxxxxxxxxx> wrote:
> > >> > vesa, pci-shmem and virtio-pci devices need to set up config space with
> > >> > little-endian conversions (as config space is LE). The pci_config_address
> > >> > bitfield also needs to be reversed when building on BE systems.
> > >> >
> > >> > Signed-off-by: Matt Evans <matt@xxxxxxxxxx>
> > >>
> > >> Looks OK to me. Sasha, Cyrill?
> > >>
> > >
> > > BIOS part looks pretty good to me. LE/BE part as well. Thanks Matt!
> >
> > Hmm. This seems to break "make check" for me:
> >
>
> If you change back to
>
> static struct pci_device_header pci_shmem_pci_device = {
> ...
> .class = 0xFF0000, /* misc pci device */
> ...
> };
>
> does it help?
No but dropping these hunks fixes it for me:
@@ -17,7 +18,8 @@
#define PCI_CONFIG_BUS_FORWARD 0xcfa
#define PCI_IO_SIZE 0x100
-struct pci_config_address {
+union pci_config_address {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned zeros : 2; /* 1 .. 0 */
unsigned register_number : 6; /* 7 .. 2 */
unsigned function_number : 3; /* 10 .. 8 */
@@ -25,6 +27,16 @@ struct pci_config_address {
unsigned bus_number : 8; /* 23 .. 16 */
unsigned reserved : 7; /* 30 .. 24 */
unsigned enable_bit : 1; /* 31 */
+#else
+ unsigned enable_bit : 1; /* 31 */
+ unsigned reserved : 7; /* 30 .. 24 */
+ unsigned bus_number : 8; /* 23 .. 16 */
+ unsigned device_number : 5; /* 15 .. 11 */
+ unsigned function_number : 3; /* 10 .. 8 */
+ unsigned register_number : 6; /* 7 .. 2 */
+ unsigned zeros : 2; /* 1 .. 0 */
+#endif
+ u32 w;
};
Pekka
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