From: Hetz Ben Hamo <hetzbh@gmail.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] IDE busmaster DMA support
Date: Fri, 30 Sep 2005 13:17:55 +0200 [thread overview]
Message-ID: <41e41e7a0509300417j4eb7daf5je30b164b30b35596@mail.gmail.com> (raw)
In-Reply-To: <433D1028.4080706@yahoo.fr>
Hi,
Which IDE driver do u try to write? for QEMU? or for a guest OS?
The IDE implementation of QEMU has few bugs (notice how the hack win2k
installation needs), so I would suggest to you to either try it with
BOCHS or with a trial version of VMWare.
Thanks,
Hetz
On 9/30/05, GaLi <g_cavelier@yahoo.fr> wrote:
>
> Hi,
>
> I'm trying to write an IDE driver with busmaster DMA support.
> My problem is that I can't get the right controller registers addresses.
>
> In the IDE BusMaster DMA specification :
>
> "The control registers for the controller are allocated via the
> devices Base Address register at offset 0x20 in PCI configuration
> space."
>
> If I read the word at offset 0x20 in the PCI configuration space, I get
> 0xc001. But if I boot qemu with a linux live-cd, it tells me that BM-DMA
> is at 0xc000
>
> Do I have to init the PCI IDE controller or something ?
>
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>
next prev parent reply other threads:[~2005-09-30 11:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-30 10:15 [Qemu-devel] IDE busmaster DMA support GaLi
2005-09-30 11:17 ` Hetz Ben Hamo [this message]
2005-09-30 12:20 ` GaLi
2005-09-30 15:16 ` Lennert Buytenhek
-- strict thread matches above, loose matches on Subject: below --
2005-09-30 12:04 Juergen Keil
2005-09-30 13:00 ` GaLi
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