[ros-kernel] Different Hardware Architectures
Jakob Eriksson
jakov at vmlinux.org
Sat Apr 24 13:46:52 CEST 2004
Purely academical at this point of development - but that would only
matter for
source ported programs. i386 binaries could still run just fine under
something
like qemu.
Robert Köpferl wrote:
> This is however a major problem.
> Since varying endiannes is not foreseen in windows programming. For
> instance BeOS has dual endianness as an integral part of its
> programming uses. AFAIK there exists a header that provides endian
> macros in either ways (similar to _T()). In the MS-world nothing like
> this exists and milions of programs (writing/reading binary data) are
> not prepared for such thing.
>
> Mike Nordell schrieb:
>
>> Michael Rich wrote:
>>
>>
>>> Actually everything I've read says that the G5/970 CPU has dropped the
>>> feature that allowed it to run in either big or little endian mode.
>>
>>
>>
>> This would *force* us to care about both endianness issues and
>> word-sizes. I
>> see this as a good thing. For user-mode code it might not be very
>> noticable,
>> but for drivers... :-)
>>
>> /Mike - why do I always get a kick out of a challenge?
>>
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