Date: Thu, 7 Dec 2023 11:33:08 +0100 From: Robert Clausecker <fuz@freebsd.org> To: Mark Millard <marklmi@yahoo.com> Cc: Warner Losh <imp@bsdimp.com>, Current FreeBSD <freebsd-current@freebsd.org>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, dan@langille.org Subject: Re: aarch64 and armv6 vs. armv7 support: armv6 is not supported, despite what "man arch" reports Message-ID: <ZXGfZCMpXtdv898R@fuz.su> In-Reply-To: <3C33BBA5-A84D-4F46-B38E-B67F9FE0196D@yahoo.com> References: <3C33BBA5-A84D-4F46-B38E-B67F9FE0196D.ref@yahoo.com> <3C33BBA5-A84D-4F46-B38E-B67F9FE0196D@yahoo.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi; Am Wed, Dec 06, 2023 at 08:31:13PM -0800 schrieb Mark Millard: > man arch reports: > > QUOTE > Some machines support more than one FreeBSD ABI. Typically these are > 64-bit machines, where the “native” LP64 execution environment is > accompanied by the “legacy” ILP32 environment, which was the historical > 32-bit predecessor for 64-bit evolution. Examples are: > > LP64 ILP32 counterpart > amd64 i386 > powerpc64 powerpc > aarch64 armv6/armv7 > > aarch64 will support execution of armv6 or armv7 binaries if the CPU > implements AArch32 execution state, however older armv4 and armv5 > binaries aren't supported. > END QUOTE > > (I take "armv6 or armv7 binaries" as what was built targeting a FreeBSD > architecture triple for one of those. FreeBSD keeps them distinct.) > > However, the armv6 part of that is wrong: The infrastructure supports > only one 32-bit alternative for a given kernel, not a family of them at > once . . . See also https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256132 Yours, Robert Clausecker -- () ascii ribbon campaign - for an encoding-agnostic world /\ - against html email - against proprietary attachments
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?ZXGfZCMpXtdv898R>