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SubjectRe: __LITTLE_ENDIAN vs. __LITTLE_ENDIAN_BITFIELD
Andreas Schwab wrote:
> Timur Tabi <timur@freescale.com> writes:
>
>> The CPU shift operation, yes. I'm talking about shift operations on
>> external memory-mapped devices.
>
> That is a property of how the device is wired to the bus. The cpu will
> always put a value of 128 on the bus such that D7 = 1 and D0-D6 = 0.

Yes, but is D7 on the left or on the right?

Anyway, this is academic now. I now know that __LITTLE_ENDIAN_BITFIELD is not
what I want, and that there's no macro that will tell how the lines from the
CPU to external memory are mapped.

--
Timur Tabi
Linux Kernel Developer @ Freescale
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