Pci Question

[Cole]

Err, sorry.

I meant the linux version of this is using outl_p to communicate with the device, and write the values.

/Cole


----- Original Message -----
From: "Cole" <cole at opteqint.net>
To: <freebsd-hackers at freebsd.org>
Sent: Thursday, May 05, 2005 12:04 PM
Subject: Pci Question


> Hi
>
> Im trying to write a userland program that writes to the IOPORT BAR's of a pci card. I can find the card and all that fine. But im
a
> bit lost on exactly what address the IOPORT BAR's would be then? Im using the /dev/pci and pci(4) functions to find the card.
>
> Ive seen in the linux version of those code, that they take the base_address's and then & ~0x03 them, and use that value for
reading
> and writing with inb_l and outb_l. Ive tried using that on FreeBSD, but with outl and inl, as well as writel and readl, but I keep
> getting "Bus error".
>
> Is there perhaps something that I am missing or forgetting, also im running the program as root.
>
> If anyone has any suggestions, they would be most welcome.
>
> Thanks
> /Cole
>
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