From: Julien Olivain via buildroot <buildroot@buildroot.org>
To: Julien Olivain <ju.o@free.fr>
Cc: buildroot@buildroot.org, Dick Olsson <hi@senzilla.io>,
Romain Naour <romain.naour@gmail.com>
Subject: Re: [Buildroot] [PATCH 1/1] configs/qemu_aarch64_sbsa: switch to neoverse-n2 (armv9.0a)
Date: Wed, 17 Sep 2025 23:07:20 +0200 [thread overview]
Message-ID: <fc5fd1fcded4925bda344d61d5faeed5@free.fr> (raw)
In-Reply-To: <20250830163944.1444066-1-ju.o@free.fr>
On 30/08/2025 18:39, Julien Olivain via buildroot wrote:
> The SBSA Reference Platform was updated to neoverse-n2 (armv9.0a)
> in Qemu v9.1 [1].
>
> The Armv9-A and Neoverse N2 core support was added in Buildroot
> commit [2].
>
> This commit switches qemu_aarch64_sbsa_defconfig from using
> Neoverse N1 (armv8.2a) to the Neoverse N2 CPU (armv9.0a).
>
> For reference:
>
> BR2_neoverse_n1:
> # cat /proc/cpuinfo
> processor : 0
> BogoMIPS : 2000.00
> Features : fp asimd evtstrm aes pmull sha1 sha2 crc32
> atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp ssbs
> CPU implementer : 0x41
> CPU architecture: 8
> CPU variant : 0x4
> CPU part : 0xd0c
> CPU revision : 1
> [...]
>
> BR2_neoverse_n2:
> # cat /proc/cpuinfo
> processor : 0
> BogoMIPS : 2000.00
> Features : fp asimd evtstrm aes pmull sha1 sha2 crc32
> atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4
> asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp
> sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm
> svebf16 i8mm bf16 dgh rng bti
> CPU implementer : 0x41
> CPU architecture: 8
> CPU variant : 0x0
> CPU part : 0xd49
> CPU revision : 3
> [...]
>
> [1]
> https://gitlab.com/qemu-project/qemu/-/commit/b1d592e7b0a7301eae8e3baa99744ac35db3cd2a
> [2]
> https://gitlab.com/buildroot.org/buildroot/-/commit/9845bd4541cb03e97e577281f3c64f00c6ead881
>
> Signed-off-by: Julien Olivain <ju.o@free.fr>
Applied on master.
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prev parent reply other threads:[~2025-09-17 21:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-30 16:39 [Buildroot] [PATCH 1/1] configs/qemu_aarch64_sbsa: switch to neoverse-n2 (armv9.0a) Julien Olivain via buildroot
2025-09-17 21:07 ` Julien Olivain via buildroot [this message]
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