[ECOS] ROMRAM startup in arm arch

[Mark Salter]

>>>>> Jonathan Larmour writes:

> Are there any ARM platforms with ROMRAM startup that _don't_ copy it in 
> the platform HAL?

> The AT91 seems to only relocate 0x10000 bytes (64K) no matter what which 
> looks quite odd indeed.

> The aaed2000, excalibur, ebsa285, as well as edb7xxx and integrator as we 
> know all seem to copy all ROM.

> So any reasons for me not to tweak vectors.S to relocate from ROM to RAM 
> only for ROM startup? And fix the at91 to be consistent with the other 
> platforms?

Is there any reason to copy all ROM? Ideally, just copy that part of ROM
which actually contains something useful.

--Mark



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