How to load and execute COFF file

[Toralf Lund]

>Hi Toralf,
>
>On Friday, September 12, 2003 3:42 PM Toralf wrote
>  
>
>>>If the target runs gdbstubs, then you could download and launch the 
>>>COFF file with gdb.
>>>      
>>>
>>It doesn't. It runs nothing as all, really, except for a very simple 
>>"bug rom" routine. That routine may be instructed via an externally 
>>generated interrupt to jump to a certain memory location, though, 
>>typically after the code has been written to the unit's memory by 
>>another board (it has dual-port RAM.)
>>
>>Essentially what I'm asking is how do I find the jump address, and do I 
>>have to do special relocation operations or anything before entering it?
>>    
>>
>
>I have essentially the same problem with a SH target and what I have been doing is
>using objcopy to generate an S-Record file from the coff (or elf) file.
>
Yes, maybe that's a good idea.

> I have a
>simple loader that can get the S-Record file into RAM of Flash via a serial port
>(or I can use a programmer for production) and I use the S7/8/9 record to get the
>start address (which one depends on the address size).
>
>If you want I can send you my S record loader code and you can add it to your
>bug rom.
>  
>
Could be useful. Please do.

Thanks.
--
- Toralf


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