From: [EMAIL PROTECTED] Subject: Re: [LinuxBIOS] Dummy pci dev for image on a usb flash drive (Peter Stuge) To: [email protected] Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes"; format="flowed"
Quoting Baski : > > > ------------------------------ > > Message: 4 > Date: Thu, 27 Sep 2007 11:04:22 +0200 > From: Peter Stuge > > Subject: Re: [LinuxBIOS] Dummy pci dev for image on a usb flash drive > To: [email protected] > Message-ID: <[EMAIL PROTECTED]> > Content-Type: text/plain; charset=us-ascii > > On Wed, Sep 26, 2007 at 10:19:08PM -0700, Baski wrote: >> I want to place an option ROM image on a raw USB flash drive. > > Please explain why, otherwise we can't help you much. > > >> It will be an option ROM image of a proper controller with correct >> option ROM and PNP headers. How can we make linuxBios to look for >> this drive and allocate dummy pci resources like bus 0 dev-xx, fun >> yy and irqs? > > First, LB has no USB drivers. You could move what is in FILO over > though. > > More relevant is the fact that LB can't allocate resources to > hardware that does not exist. Unless you have the controller itself > it's not possible to set any resources. They are set in registers > (RAM) that is mandatory for PCI cards to have (the so called PCI > config space) and no card means nowhere to set things. > > Furthermore, option ROMs are not really "compatible" with LB, the > idea is to try to use existing open source drivers with LB instead of > binary blobs with broken interfaces. > > So - what do you want to accomplish with your idea? There may be a > better way to do it, or it may be best to forget the whole thing. > We can't say without more info. > > > //Peter > > > This is for my MS project. We want to simulate a PCI card and use > one of the CPU cores to do our processing. We would also want to > reserve that core. > We want to create the dummy pci device so that OS driver can > communicate with the emulated card. What methods would you suggest? > Thanks. > I don't get it. Why do you need to simulate a pci card?? Why not just use a real one?? Thanks - Joe Hi Joe, That's the whole aim. We want to emulate a pci card and test it with a real driver before an actual card is built. Can someone throw me some pointers? Thx --------------------------------- Moody friends. Drama queens. Your life? Nope! - their life, your story. Play Sims Stories at Yahoo! Games.
-- linuxbios mailing list [email protected] http://www.linuxbios.org/mailman/listinfo/linuxbios
