[ECOS] Re: eCos linking question

[Gary Thomas]

Andrew Lunn wrote:
>> So .data and .bss get addresses from the internal RAM.. but I don't
>> get why, they should get addresses from ROM, following
>> .gcc_except_table. According to the startup assembly code, these
>> sections should then get copied into ram at startup.
>> I know I need to use the internal ram too, since the exception vectors
>> (.rom_vectors and .fixed_vectors) need to start at address 0x0.
>> I think it should be possible to run code from my external flash or am
>> I mistaken?
>> Any suggestions would be greatly appreciated.
> 
> Make sure you install/lib/target.ld is up to date. I think the
> dependencies are broken, so it does not get remade when you change the
> .ldi files etc.

Also, give the .ld file a good look - it's saved as the result of
the preprocessing, so all of your macros should have been expanded.
This way you can see if it really looks like you think it should.

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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