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Dear Sir,

please can you give  me the hints for how can I port the gdbstub 
on sh3 7290. what are the files I have to use. I am awaiting for u 
r response.

Thanking you.
Raja S

Raphael:

The PPCBOOT link was interesting, but slightly off-topic for gdbstubs.

Have you looked into Red Boot, the bootloader that ships with eCos
(Red Hat RTOS)?  It can do TFTP boots, can manage multiple images,
supports scripting, etc.; in short, it looks like it can do everything
your PPCBOOT stuff intends to do.  And it is shipping today, just
download the latest eCos disto from http://sources.redhat.com/ecos and
look in the "redboot" directory.

Red Boot isn't eCos-specific, but it is using eCos's hardware
abstraction layer code to get compatability with nearly every target
that eCos supports.  I have personally seen Red Boot launch both eCos
and Linux (not at the same time, of course) on an Assabet (SA1110)
board, and I was very impressed.  And I don't impress easily, ask
anyone who knows me.

I also spent a few minutes with Red Boot's lead developer, and he
clearly knows his shit backwards *and* forwards.  It's Good Code.

I have it from good sources that Red Boot is being ported to
Motorola's MBX line, which is both PPC based *and* the (initial)
target of choice for their Embedded DevKit (of which I also have a
copy, it is veeery nice).

In short, you owe it to yourself to check out Red Boot.  I don't know
how much overlap there is between Red Boot and PPCBOOT, but I hate to
see you reinvent the wheel if you don't really want to.

Cheers,

b.g.
--=20
Bill Gatliff
bg...@op...

hi gdbstubs,

http://ppcboot.sourceforge.net/

About the PPCBOOT project

The Embedded PowerPC Linux Boot Project (PPCBOOT) intends to implement a common and
easily extensible boot program for embedded devices. The entire project source code
is released under the GNU General Public License (GPL), and takes advantage of an
open development process at SourceForge.net, the highly popular portal of open source
software development. 

In the embedded world, it is very important to provide a flexible way of configuring
the system environment. Accordingly, one of the project's primary goals is to achieve
a very flexible way of configuring PPCBOOT. Developers must be able to decide which
components are really needed within the actual target system. 

It is also important to auto-detect hardware components at runtime, for example flash
memory sizes or CPU, in order to allow flexible extention of PowerPC hardware to be
possible without needing to change the code.

Another project goal is to support many standard off-the-shelf boards, in order to
help speed up the development process at the beginning of new projects.

Future plans

Features like TFTP, BOOTP, or PCMCIA device support are the next goals. Support for
other devices such as USB or FireWire will also be implemented in the future, given
sufficient interest. 

It is expected that the PowerPC Linux community will contribute code to PPCBOOT, to
extend its functionality with many new useful features.

-- 
Raphael Bossek <rap...@so...> [ICQ #40047651]

gdbstubs-20000401 is now available at SourceForge.

This snapshot includes support for the following architectures:

* SH-2 (improved!)
* cpu32 (contributed by Scott Sumner)
* 68ez328 (contributed by David Williams)

Keep the bug reports and contributions coming!

b.g.

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