[ECOS] Re: Placing data at an absolute address

Grant Edwards grante@visi.com
Sun Apr 1 15:25:00 GMT 2007


On 2007-04-01, Laurie Gellatly <laurie.gellatly@netic.com> wrote:

> For our eCos application, I'd like to place the MAC address at
> a particular address in flash and have it loaded as part of
> storing Redboot into the flash. At production time, a script
> would be run that finds that address section in redboot.elf
> and updates it before it is stored into the next unit. Finding
> the section in the elf is not the hard bit. I've tried adding
> a new section on the gcc command line and adding a variable
> into the C source which almost works except the section size
> is of length 0. How can I make the section 6 bytes long or is
> there a better way to do this whole thing?

You can use objcopy to add a new section from the command line.

-- 
Grant Edwards                   grante             Yow!  Was my SOY LOAF left
                                  at               out in th'RAIN? It tastes
                               visi.com            REAL GOOD!!


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