Bootloader (Boot Loader)?

[Ed Sutter]

No problem...
The good news is there's a lot of documentation.
The bad  news is there's a lot of documentation.
:-)
If you have any quick questions, don't hesitate to ask
on or off the RTEMS mail list.  Since this is not really
specific to RTEMS, I tend to just respond to this stuff off
the list; however, it may also be worthwhile to keep this interaction
on the list for others to have access to in the future.

Doesn't matter to me, so Joel, if you have a preference, lemme know.
Ed


Gene Smith wrote:
> Ed Sutter wrote:
>> Gene,
>> I have booted RTEMS apps with MicroMonitor.  This is a bootloader
>> that runs on most of the common CPUs, has its own NOR-based flash
>> file system (onto which you would install your RTEMS image), and
>> has networking, and a lot of other features you can configure in if
>> needed.  If interested, take a look at
>> http://www.microcross.com/html/micromonitor.html
>>
>> What CPU are you using?
> 
> Thanks, I will take a look at that. I am using ARM946.
> 
>> Ed Sutter
>>
>> Gene Smith wrote:
>>> So far I have just been loading my RTEMS image to RAM via jtag and 
>>> running with a debugger. I would like to burn the image to Flash, along 
>>> with a boot loader of some sort, and have the loader copy the image to 
>>> RAM and beginning running. This would be a fairly rudimentary boot 
>>> loader just to get started.
>>>
>>> Looking through the rtems archives I see some old references to Chris 
>>> John's "My Right Boot" and "Eric Norum's boot loader". Otherwise I can't 
>>> find these mentioned anywhere on RTEMS site (looked in ftp: contribs 
>>> etc.) or web.
>>>
>>> I also see mention of Till's CEXP loader. If I understand it, it loads 
>>> random rtems applications. Not quite what I am looking for I don't think.
>>>
>>> My board has no built-in boot loader, so I need to do something from 
>>> scratch. Ideally, the boot loader would need to do more such as possibly 
>>> help with f/w upgrade via network. I think this might require something 
>>> like u-boot or redboot. I think u-boot supports RTEMS but have not seen 
>>> it mentioned except on Erwin Rol's rtems/u-boot site and not updated 
>>> since maybe 2003. I have seen mention also of boards running RTEMS that 
>>> have built-in u-boot and how to deal with it, but not how to join u-boot 
>>> and RTEMS yourself.
>>>
>>> Just wondering what others are doing for a boot loader.
>>>
>>> Thanks,
>>> -gene
> 
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