:: Re: [DNG] Migration to devuan Jessi…
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Autor: Arnt Karlsen
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A: dng
Assumpte: Re: [DNG] Migration to devuan Jessie failed on rpi-zero
On Mon, 8 Feb 2016 08:30:28 +0000, KatolaZ wrote in message
<20160208083028.GD881@???>:

> On Mon, Feb 08, 2016 at 07:35:24AM +0100, Adam Borowski wrote:
> > On Mon, Feb 08, 2016 at 01:27:19PM +1100, Simon Wise wrote:
> > > >>My understanding is that both the rpi0 and rpi1 are based on a
> > > >>ARMv6 chip, which makes them closer to armel than to armhf. So,
> > > >>I'm afraid you're stuck with raspbian for now.
> > >
> > > raspbian is in between armel and armhf because debian armel is
> > > (or was then) compiled without hard float support while debian
> > > armhf is compiled for arm7 ... so since PIs are arm6 with FPU
> > > neither is suitable ... raspbian is compiled to suit PIs.
> >
> > Actually, armel _is_ perfectly suitable, just a bit slower.
> > However, rapbian guys wanted to use all the computing power of pi's
> > CPU, and thus used a debased version of armhf. They really should
> > have named the architecture different.
> >
>
> That's my point. Debian armhf is something quite specific (basically,
> at least ARMv7 + VFPU3), and Debian armel is something else, still
> specific (ARM with soft FPU, so almost anything else), while Raspbian
> is "branded" armhf but is neither, since it is compiled for
> ARMv6+VFPU2, as I found out googling around. They should have called
> it differently.


..and, setting up this new port/arch that needs its own
correct name, shouldn't we name it correctly? ;o)

..e.g. "ARMv6+VFPU2"? Or "rpi-1"?

..is the Raspberry Zero hardware way different,
i.e. not ARMv6+VFPU2 since it doesn't boot off
Raspian Wheezy?

..acconding to the foundation, it's "A(?)+ minus camera" etc
and clocked 30% faster, which might cause a need for slightly
higher cpu etc voltage settings.

> The problem wouldn't be compiling the packages, which can be done with
> a cross-compiler + toolchain on any more powerful piece of hw, but
> perhaps putting together an entire port for such a specific target,
> although it is a quite popular one.
>
> HND
>
> KatolaZ
>



--
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.