Re: [RFC PATCH 0/3] grub powerpc64 little-endian enablement

[Paulo Flabiano Smorigo]

On 2015-06-15 14:15, Andrei Borzenkov wrote:
> В Thu, 28 Aug 2014 16:56:02 -0300
> Paulo Flabiano Smorigo <address@hidden> пишет:
>
> > From: Paulo Flabiano Smorigo <address@hidden>
> >
> > Hi,
> >
> > At the beginning of the year we provide a patchset that enabled GRUB for
> > little-endian PowerPC. Our approach at the time was to build GRUB itself and
> > its tools in 64-bit little-endian. One of the reasons of build in 64-bit is
> > to avoid 32-bit dependencies in the distro and build a system entirely 64-bit.
> >
> > This patchset was not welcomed at the time because it would bring a
> > high-maintainance-cost, without real gain since it could just be cross-compiled.
> >
> > After that, Brent Baude, Vladmir (phcoder) and I started to work in a solution
> > that would cross-compile but without 32-bit dependencies. This patchset is the
> > result of this new approach. It's based on the work of Brent Baude, Vladimir
> > (phcoder), and Tomohiro.
> >
> > It can be devided in two parts:
> >
> >    1) Skip libgcc dependency just for ppc64el (patch 1 and 2);
>
> This is now default for all platforms
>
> >    2) Check elf endianess and byteswap if necessary (patch 3);
>
> That's still pending.

Yes, I'm aware of that. :)

> > The result is GRUB itself in 32-bit BE and its tools in 64-bit LE. This solution
> > satisfies the needs of the distros. I tested it in three different distros, in
> > both endianess and it's fine.
> >
> > If thoses patches were accepted we will have an official solution. Nowadays,
> > distros are taking diffrent approachs. Some of then are using the original
> > solutions and others are using cross-compiler.
>
> Could you resend missing bits rebased to current head?
Sure thing. I'll review it once more and send it to the ML later this week.

--
Paulo Flabiano Smorigo
IBM Linux Technology Center