Re: Optical media drive emulation in linux kernel

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JD wrote:
On 06/30/2012 03:43 PM, Andy Blanchard wrote:

On 30 June 2012 22:38, JD <jd1008@xxxxxxxxx <mailto:jd1008@xxxxxxxxx>> wrote:

    Does it exist?
    What about kernel add-on packages
    that would insert the pseudo-driver shim
    and the apps to use it?


If you mean, for instance, can I put an ISO image on my HD and mount it, then
it's built in to the Kernel:

mount -t iso9660 -o loop,ro <path to image> <mount point>


--
Andy

/The only person to have all his work done by Friday was Robinson Crusoe/


Hi Andy,
no, that is not what I meant. I really mean a cd/dvd/optical media hardware
device emulation,
and not the FS support of iso9660.

I read some blogs about cdemu, which is not
available in the fedora repos.

Yes, although the utility of that is questionable. No emulator will let you do things like a proper rip of a CD, because the fancy subtrack and odd preburn areas and such aren't in your image. And if you are debugging optical media drivers, I doubt any emulation will be a bizarre as burner firmware.

You can get a better emulation by using kvm, starting qemu-kvm with the -cdrom option, but what you need to emulate is the optical media device, as well as the media itself, and the accuracy of emulation is dubious.

--
Bill Davidsen <davidsen@xxxxxxx>
  "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot


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