Bernd,
Even if I don't touch the bootloader, what kind of debugging tools will I
need to debug the kernel? Or a device driver? Just printk() :) ? For things
like single stepping or examining registers or memory?
And explain me a little more about JTAG. I tried google, but info on JTAG is
so disoriented on the web that I could'nt come to a conclusion. What exactly
does JTAG consist of? Is it a hardware probe which, on the host is connected
to parallel port and to the JTAG interface on the board? What software do I
need to debug with it? Does gdb work with it? IS IT CHEAP??
Again how do you do your kernel debugging without JTAG or BDI?
With Regards,
Satheesh.
From: Bernd Petrovitsch <bernd@xxxxxxxxx>
To: satheesh paul <satheesh_kernel@xxxxxxxxxxx>
CC: idoit.ief@xxxxxxxxx, fawadlateef@xxxxxxxxx, rabhagat@xxxxxxxxxx,
kernelnewbies@xxxxxxxxxxxx
Subject: Re: kernel development environment
Date: Fri, 20 Jan 2006 10:35:30 +0100
On Fri, 2006-01-20 at 14:28 +0530, satheesh paul wrote:
> Tayseer,
> BDI2000 costs 1,360.00 !!!! That is more than 1 lakh /- !!! Do you guys
Sorry but that's the cheapest AFAIK. There are others out there
(Lauterbach) which cost 7.000 .- € (but I didn't check recetnly).
> know anyother cheap alternates? Or are all the kernel developers using
such
> high-end stuff?
You need the JTAG stuff only if you do real bootloader development on
these boards (and not even necessarily then depending on the way you
test).
If you never touch the bootloader, you will (probably) never need a BDI
or similar.
So for Kernel development as such, forget the BDI IMHO. Get a board
which "supports Linux" (which pretty much every board does).
On this you boot the Kernel from the net and mount the root-fs via NFS.
Voila.
Bernd
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