Looking for the PPC gdb debug stubs

To: Bill Gatliff
[email protected]

Subj: Looking for the PPC gdb debug stubs

In your 9/99 article in Embedded Systems Programming, you hint about the Power PC gdb debug stubs being in progress. Can you provide with any details like:

- Is the effort complete?
- If so, where can I find the PPC gdb debug stubs?
- Who are the people involved with the activity, and how can I get in touch with them?

Our initial hardware target is the EST SBC8260 board. The MPC8260 supports a COP/JTAG port. I wondered if gdb has or is the progess of supporting the MPC8260 Macraigor Wiggler? From the gdb version 4.18 source code, it appears that gdb supports the MPC860 Macraigor Wiggler.

Note: The MPC860 and MPC8260 Wigglers are very different animals.

Reference:

http://www.embedded.com/1999/9909/9909feat2.htm

I have posted my attempt at a portable debugging stub on ESPs Web site, at ftp://ftp.mfi.com/pub/espmag/1999/gdb. This source code has been compiled and tested for the Hitachi SH-2, and ports are underway for the Hitachi H8, Power PC, and other processors.

Who is Bill Gatliff?

Bill Gatliff is a freelance embedded developer and senior design engineer with Komatsu Mining Systems, Inc. in Peoria, IL, and is a semi-regular presenter at the Embedded Systems Conferences. He can be reached at [email protected].

GDB: The GNU Debugger
http://sourceware.cygnus.com/gdb/

GDB Mailing Lists
http://sourceware.cygnus.com/gdb/lists.html
[email protected]

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If there is anyone looking for Linux/PPC for the 8260, just contact MontaVista software.

I still have a couple of minor things to finish (cache snooping and some fast ethernet stuff) as personal challenge to help them.

I have decided to wait until the Rev A.0 silicon for the Linux/PPC release, as I think there are just too many patches to make it useful with older silicon. MontaVista may decide otherwise.

I just wanted everyone to know that most of the work is done, and if you are really, really serious about 8260 you should contact them. If you don't already have pre-A.0 silicon soldered on a board you intend to ship, you are not really, really serious and should probably contact Motorola (or Embedded Planet).

	-- Dan

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