Date: Fri, 18 Oct 2019 00:06:39 +0200 From: Marcin Wojtas <mw@semihalf.com> To: Greg V <greg@unrelenting.technology> Cc: Colin Percival <cperciva@tarsnap.com>, freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: EC2 ARM64 "bare metal" instances Message-ID: <CAPv3WKcbjK5j9idaJy-J07GuF5TRuvvqebZdSUaagNipmwivzA@mail.gmail.com> In-Reply-To: <120f10da37ee104ea0fb82adeac59c63@unrelenting.technology> References: <0100016dd57b89f3-034edaf3-4ae3-46f6-96ad-a3f0cf202c05-000000@email.amazonses.com> <120f10da37ee104ea0fb82adeac59c63@unrelenting.technology>
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Hi Greg, czw., 17 pa=C5=BA 2019 o 23:03 <greg@unrelenting.technology> napisa=C5=82(a= ): > > October 16, 2019 7:51 PM, "Colin Percival" <cperciva@tarsnap.com> wrote: > > > Hi ARM experts, > > > > FreeBSD does not currently boot on Amazon's recently released "bare met= al" > > ARM64 instances. It might be useful to get these working, since they're > > reasonably powered hardware (16 cores, 32 GB RAM) and should be able to= run > > bhyve (that's the "bare metal" part). > > I know bhyvearm64 only supports GICv3 right now, so I wonder how bhyvearm= 64 > is going to interact with the GICv2m-on-GICv3 thing they've done > (WTF are they smoking?!).. Afaik, the bhyvearm64 has been developed in virtual environment. In Semihalf, we gave it a shot a couple of months ago on a real HW (CA72 + GICv3), but it crashed on the very first context switch from host to VM space, so we dropped it. > > > I'm aware of a few patches these systems needed in order to work on Lin= ux > > NetBSD got support recently too (yes yes I'm checking dmesgd.nycbug quite= often :D) > > https://github.com/NetBSD/src/commits?author=3Djaredmcneill > > Apparently "downstream ports" in general only have a single device, so th= is > filtering thing doesn't have to be a Graviton quirk: > https://github.com/NetBSD/src/commit/5969d36d314e797f3ce439a3fd445e5ba9d2= 68f1 > > But we do need the AMZN0001 thing and the GIC thing. > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
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