[OpenBIOS] [PATCH] prep: fix start address of PCI memory region

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Fri Sep 13 12:25:30 CEST 2013


On 13/09/13 10:54, Hervé Poussineau wrote:

> PCI devices having memory BARs are now accessed at the right address.
> This at least fixes the QEMU video card, which is now able to display
> the OpenBIOS prompt.
>
> Signed-off-by: Hervé Poussineau<hpoussin at reactos.org>
> ---
>   arch/ppc/qemu/init.c |    4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/ppc/qemu/init.c b/arch/ppc/qemu/init.c
> index f370514..cbed740 100644
> --- a/arch/ppc/qemu/init.c
> +++ b/arch/ppc/qemu/init.c
> @@ -99,8 +99,8 @@ static const pci_arch_t known_arch[] = {
>           .cfg_data = 0x80000cfc,
>           .cfg_base = 0x80000000,
>           .cfg_len = 0x00100000,
> -        .host_pci_base = 0x0,
> -        .pci_mem_base = 0xf0000000,

Have you checked this against SVN trunk? host_mem_base is now called 
host_pci_base to better explain its purpose :)

> +        .host_mem_base = 0xc0000000,
> +        .pci_mem_base = 0x100000, /* avoid VGA at 0xa0000 */
>           .mem_len = 0x10000000,
>           .io_base = 0x80000000,
>           .io_len = 0x00010000,

ATB,

Mark.



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