At the U-boot level I don't know that their should be a huge differentiator. When you get to the OS level depending on the type of work you are doing having a bit tighter integration with the Linux kernel probably can be more help (context switch awareness and symbol context switching being something very useful).
I generally use a Lauterbach when I can as I'm familiar with it and it has been stable and highly useful faster than alternatives. Also as it matures many if not all of the internal registers get mapped into the debugger. I find ETB/ETM to be very useful in debugging low level code. Being able to step bi-directionally in C or ASM at an exception point makes things much easier.
LB does have an OS aware layer which I use at times. It can give you ps in various formats and access the /proc structure. More things then I'll enumerate here.
Regards, Richard W.
-----Original Message----- From: u-boot-users-admin@lists.sourceforge.net [mailto:u-boot-users- admin@lists.sourceforge.net] On Behalf Of David Snowdon Sent: Monday, April 10, 2006 7:38 AM To: u-boot-users@lists.sourceforge.net Subject: [U-Boot-Users] BDI vs. Lauterbach
G'Day,
I've been looking at a few of the posts regarding debugging tools, and the standard answer on this list appears to be "Get a BDI2000". I'm presently looking at getting a debugger to use to bring up a new board, get U-Boot going, and eventually do a lot of OS work (a new OS that we're developing - see http://www.ertos.nicta.com.au -- sorry, shameless plug).
Some people that we are working with use the Lauterbach Trace32 tools extensively, and we've had some good experiences with them. I was wondering if anyone on this list had used both (particularly while developing U-Boot), and how the BDI-2000 stacks up against the Lauterbach equivalent. (Apart from being significantly cheaper).
Any insights much appreciated.
Many thanks,
David Snowdon, Research Engineer, National ICT Australia, http://www.ertos.nicta.com.au
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