2014/08/10 20:30 "Martin T" <m4rtntns@gmail.com>:
>
> >> how compatible are drivers on ports for different CPU architectures,
> >> e.g. I have a USB HSDPA modem which works great on Wheezy port for x86
> >> architecture, but can I expect it to work on Wheezy port for ARM?
> >
> > If your ARM platform's USB driver works, then yes, you can expect the
> > exact same support for any USB device you plug into it.
>
> I see. So usually there are no driver or other software issues because
> of different CPU architecture, i.e. once the kernel successfully boots
> up on ARM platform one can expect everything work exactly same as on
> wide-spread x86/x86-64 architecture?
In theory, C, with a bit of help from the pre-processor, hides all the strangeness. You still hit bumps every now and then. (Byte order is an example, see the little-endian PPC port, but there can be other issues.)
--Joel Rees
Computer memory is just fancy paper,
CPUs just fancy pens.
All is a stream of text
flowing from the past into the future.