[ECOS] Data section in redboot

[Jonathan Larmour]

"Agarwal, Lomesh" wrote:
> 
> I have a dual processor board and I need to copy data section from ROM of
> first processor to RAM of another processor after I jump to C Code (at this
> point I am running out of RAM of first processor and everything is copied to
> RAM). So I am using __rom_data_start, __ram_data_start, __ram_data_end
> defined in vectors.s
> I defined all these 3 as extern in my C code and when I access these values
> of these are 0. I tried using .__rom_data_start, .__ram_data_start,
> .__ram_data_end but compiler gives me error. I checked the values when I use
> them in vectors.s and the values seems to be ok (at this point also I am
> running out of RAM of first processor and everything is copied to RAM). But
> I don't find the same value later.
> So, the question is how can I access these.

they should be declared as:

char __rom_data_start[], __ram_data_start[], __ram_data_end;

And then used by taking their *address*, i.e. &__rom_data_start.

Jifl
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