Re: [Gc-linux-devel] Memory card block device driver

[Torben N. <tr...@bi...>]

On Sat, 2004-05-08 at 13:14, Groepaz wrote:
> On Saturday 08 May 2004 12:20, Torben Nielsen wrote:
> > I just checked a memory card block device driver into the CVS.
> > It cannot unlock the cards, so these are threated like fixed disks
> > (i.e. they must be present a boot so PSO unlocks them).
> > I haven't done extensive testing, but I was actually able to copy a
> > standard Nintendo 59 memory card to a blank card like this:
> >
> > 	mknod /tmp/card0 b 254 0
> > 	mknod /tmp/card1 b 254 1
> > 	dd if=/tmp/card0 of=/tmp/card1
> >
> > where 254 is the major device number assigned to the driver. Check
> > /proc/devices, there should be a line like this:
> >
> > 254 memcard
> >
> > Feel free to test it, but please don't use a memory card with important
> > data on it.
> 
> tip: dont copy the very first sector of the card to another card if
> you plan using it outside linux (first sector contains the unique
> card ID or decryption/unlock seed or whatever it is :))
> 
> gpz
> 
> 

Thanks for the tip. Now I wonder, is there any (easy) way to reformat
the card, or should I just try to restore the backup I made of the card
before I started writing to it?