arm64 as Tier 1 for FreeBSD 13

[Robert Clausecker]

On Wed, Jan 29, 2020 at 10:29:07PM +0100, Emmanuel Vadot wrote:
> On Wed, 29 Jan 2020 21:11:38 +0000
> "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
> 
> > --------
> > In message <D140BA2A-71F3-4574-9015-675950705AF2 at gromit.dlib.vt.edu>, Paul Mather writes:
> > >On Dec 4, 2019, at 4:24 AM, Robert Clausecker <fuz at fuz.su> wrote:
> > >
> > >> On Wed, Dec 04, 2019 at 07:29:57AM +0000, Poul-Henning Kamp wrote:
> > >>> In message <CAPyFy2BXWPVOJo+GOf83sZFrPHE80-QvdHeWrhi+Tdj0KDnThg at mail.gmail.com>, Ed Maste writes:
> > >>
> > >> Indeed.  For example, on a Raspberry Pi 3B, it takes multiple days to
> > >> build world as the build must be done single threaded due to a lack of
> > >> RAM (building LLVM is the worst offender here).
> > 
> > I plugged in a "WD SSD Passport" USB disk, it supports BIO_DELETE and
> > performs so much better than a SD card, that swapon(8) is a good idea.
> > 
> > I will also repeat again:  We ignore the RPi4 at our peril.
> 
>  Show me the TRM.
>  Please show me a way to do this without looking at linux GPL driver.
> 
> > RPi's are a LOT easier to get hold of for hackers and in particular
> > for educators.
> 
>  In what way ?
>  Real answer only.

For example, as a student with an interest in UNIX systems programming, I
cannot justify buying a “real” ARM64 device on my budget for what I want
to do with it.  However, an RPi is quite affordable and thus pretty much
the only way I can reasonably use FreeBSD on ARM64 (and I really want).

> > We may not want to use them ourselves, but we should keep that
> > part of the on-ramp open, in particular for young people.
> > 
> > -- 
> > Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> > phk at FreeBSD.ORG         | TCP/IP since RFC 956
> > FreeBSD committer       | BSD since 4.3-tahoe    
> > Never attribute to malice what can adequately be explained by incompetence.
> 
> -- 
> Emmanuel Vadot <manu at bidouilliste.com>

Yours, Robert Clausecker

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