Progress - new problem
Wolfgang Denk
wd at denx.de
Sat Feb 10 09:11:00 EST 2001
In message <20010209161931.A30585 at dyn-52-73.matrox.com> you wrote:
>
> I progressed quite a bit since my last e-mail... I put back KERNELBASE +
> PAGE_OFFSET + KERNELLOAD to 0xc0000000 even though it complicates debugging
> quite a bit. Now, the kernel goes through create_elf_tables without a
Oops? Why do you think this makes debugging more complicated? I don't
care where something is mapped, it's the job of the debugger to
resolve those addresses, isn't it?
> Board is similar to Sandpoint, processor is 7400 running in little-endian.
^^^^^^^^^^^^^^
^^^^^^^^^^^^^^
Are you really trying to run in little-endian mode? Really???
You are not supposed to do that.
> P.S.: What do you guys use for debugging? Is there any debugger out there
> that does address translation (from MMU) to see what instruction gets
> executed when you're at a virtual address?
We use the Abatron BD2000; it supports the MMU, interfaces to GDB /
DDD, comes with 3 years of warranty on the hardware, _excellent_
support from the Abatron folks, and is cheaper than other solutions
(2500 Euro).
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
Visit us at Embedded Systems: Feb 14-16 2001, Nuremberg, Halle 12/K01
(with TQ Components); our presentation "Starke Zwerge: Embedded Linux
auf PowerPC-Systemen" on Thursday, Feb 15 2001, 13:30 Forum Halle 11.
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