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From: vlsi4all on 19 Mar 2007 13:42
I am looking for a tool chain for a new custom micro-controller. The
core has a very basic instruction set and doesn't have to be C-
programmable. Still, the software is complicated enough, that we
would like to have primitive debug capabilities at least.

Features needed:
-assembler
-linker(possibly)
-source code debugging
-single stepping
-register and memory content display
-breakpoints
-hardware debugging interface
-integratioin of simulator


Are there companies out there that specialize in creating these types
of software solutions. The two companies that I have heard of so far
are: retarget compilers and isystem. Any comments on these two
companies?

From: linnix on 19 Mar 2007 13:54
On Mar 19, 9:42 am, vlsi4...(a)gmail.com wrote:
> I am looking for a tool chain for a new custom micro-controller. The
> core has a very basic instruction set and doesn't have to be C-
> programmable. Still, the software is complicated enough, that we
> would like to have primitive debug capabilities at least.
>
> Features needed:
> -assembler
> -linker(possibly)
> -source code debugging
> -single stepping
> -register and memory content display
> -breakpoints
> -hardware debugging interface
> -integratioin of simulator
>
> Are there companies out there that specialize in creating these types
> of software solutions.

Yes, Universities.
In a place far far away, long long time ago,
we did all those in group projects.
Just find a few students to do it.

From: Grant Edwards on 19 Mar 2007 14:09
On 2007-03-19, vlsi4all(a)gmail.com <vlsi4all(a)gmail.com> wrote:
> I am looking for a tool chain for a new custom micro-controller. The
> core has a very basic instruction set and doesn't have to be C-
> programmable. Still, the software is complicated enough, that we
> would like to have primitive debug capabilities at least.
>
> Features needed:
> -assembler
> -linker(possibly)
> -source code debugging
> -single stepping
> -register and memory content display
> -breakpoints
> -hardware debugging interface
> -integratioin of simulator
>
> Are there companies out there that specialize in creating these types
> of software solutions. The two companies that I have heard of so far
> are: retarget compilers and isystem. Any comments on these two
> companies?

If I were you, I'd hire somebody to port Gnu binutils and Gdb.

--
Grant Edwards grante Yow! I joined scientology
at at a garage sale!!
visi.com
From: Paul E. Bennett on 19 Mar 2007 14:17
vlsi4all(a)gmail.com wrote:

> I am looking for a tool chain for a new custom micro-controller. The
> core has a very basic instruction set and doesn't have to be C-
> programmable. Still, the software is complicated enough, that we
> would like to have primitive debug capabilities at least.

Is the custom microcontroller based on any particular family of processor
core? There are Forth systems for many processors. Forth has been used as a
bring-up in many a custom hardware situation, even totally new processors.

> Features needed:
> -assembler
Included

> -linker(possibly)
Not needed

> -source code debugging
Included

> -single stepping
Not really needed but feasible.

> -register and memory content display
Included.

> -breakpoints
When you are debugging one word at a time the breakpoint is automatically
the completion of a word.

> -hardware debugging interface
Included

> -integratioin of simulator
Might be a bit trickier but is often possible.

>
> Are there companies out there that specialize in creating these types
> of software solutions. The two companies that I have heard of so far
> are: retarget compilers and isystem. Any comments on these two
> companies?

Forth Inc and MPE can probably help out (see their links from my web-site's
Forth pages). If you are doing a completely new processor you could build
your own Forth on it and grow the system from there, right out to the
application.

--
********************************************************************
Paul E. Bennett ....................<email://peb(a)amleth.demon.co.uk>
Forth based HIDECS Consultancy .....<http://www.amleth.demon.co.uk/>
Mob: +44 (0)7811-639972
Tel: +44 (0)1235-811095
Going Forth Safely ..... EBA. www.electric-boat-association.org.uk..
********************************************************************
From: Stephen Pelc on 19 Mar 2007 15:25
On 19 Mar 2007 10:42:51 -0700, vlsi4all(a)gmail.com wrote:

>Features needed:
>-assembler
>-linker(possibly)

See Cross32 and XDASM on our web site:
www.mpeforth.com/cross32.htm
/xdasm.htm

These are a retargetable assembler and disassembler.

>-source code debugging
>-single stepping
>-register and memory content display
>-breakpoints
>-hardware debugging interface
>-integratioin of simulator

We've written all these, see also:
www.mpeforth.com/jtagwidget.htm
but until we know more about the debug architecture of the CPU
we can't say how much work is involved.

Stephen


--
Stephen Pelc, stephenXXX(a)mpeforth.com
MicroProcessor Engineering Ltd - More Real, Less Time
133 Hill Lane, Southampton SO15 5AF, England
tel: +44 (0)23 8063 1441, fax: +44 (0)23 8033 9691
web: http://www.mpeforth.com - free VFX Forth downloads
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