Re: __LITTLE_ENDIAN vs. __LITTLE_ENDIAN_BITFIELD

[Andreas Schwab]

Timur Tabi <timur@xxxxxxxxxxxxx> writes:

> Andreas Schwab wrote:
>> Timur Tabi <timur@xxxxxxxxxxxxx> 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?

On the bus there is no left or right.  There is only D7 and D0.

> that there's no macro that will tell how the lines from the CPU to
> external memory are mapped.

This is always the same.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@xxxxxxx
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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