Re: Linux/IA-64 byte order

Richard Gooch (rgooch@atnf.csiro.au)
Tue, 9 Mar 1999 13:11:55 +1100


David Miller writes:
> Date: Tue, 9 Mar 1999 12:06:42 +1100
> From: Richard Gooch <rgooch@atnf.csiro.au>
>
> Yes, it is, although I don't get to choose the binary format of
> data. And memory mapping is so much better than plain reading.
>
> Actually, besides my per-load/store endianness selection, there is
> another scheme (supported on UltraSparc, could be supported by IA-64,
> I don't know).

The per-load store thing seems too hard to use. You'd have to keep
track of things everywhere (now, let me see, was that malloc()ed or
was it mmap()ed?).

> There are often endianness selection bits in the page table entries,
> add a new flag to mmap, and voila.

Ah, now that's an attractive option.

Linus: would this be acceptable?

David Mo: is this possible?

Regards,

Richard....

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