From: Kurt Miller <kurt@intricatesoftware.com>
Subject: Re: devel/jdk: aarch64 cpu info and hardware capablities
To: ports@openbsd.org
Date: Mon, 15 Dec 2025 18:46:41 +0000

On Dec 14, 2025, at 10:15 AM, Kurt Miller <kurt@intricatesoftware.com> wrote:
> 
> The jdk wants to know the cpu info and hardware capablities on
> aarch64. Previously we didnt support READ_SPECIAL reg in userland.
> Also we gained elf_aux_info(3) in recent releases for hardware
> capablities. This diff adds support for cpu info and hardware
> capablites and fixes a few regression tests that have been
> deadlocking on aarch64.
> 
> So far only tested on Apple Mac Mini M2 Pro. I will try my
> rockpro64 next as well.

Withdrawing this diff. It needs to only call READ_SPECIALREG if
HWCAP_CPUID is set. I’ll send a new version when that’s tested.

-Kurt