[ECOS] ROMRAM startup in arm arch
Fri Jan 31 17:55:00 GMT 2003
>>>>> 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
Is there any reason to copy all ROM? Ideally, just copy that part of ROM
which actually contains something useful.
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