Date: Tue, 28 Apr 2026 23:05:29 -0400 From: Mark Johnston <markj@freebsd.org> To: Andrew Turner <andrew@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org, Harry Moulton <harry.moulton@arm.com> Subject: Re: git: 58de79153622 - main - arm64: mte: configure initial state for system registers Message-ID: <afF1eUqL51aCjV-P@nuc> In-Reply-To: <69dcfc89.464ef.4e312925@gitrepo.freebsd.org>
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On Mon, Apr 13, 2026 at 02:24:09PM +0000, Andrew Turner wrote: > The branch main has been updated by andrew: > > URL: https://cgit.FreeBSD.org/src/commit/?id=58de79153622145cb6fc57bc92c4de678876992f > > commit 58de79153622145cb6fc57bc92c4de678876992f > Author: Harry Moulton <harry.moulton@arm.com> > AuthorDate: 2026-04-13 11:54:38 +0000 > Commit: Andrew Turner <andrew@FreeBSD.org> > CommitDate: 2026-04-13 14:23:05 +0000 > > arm64: mte: configure initial state for system registers > > The fields in SCTLR_EL1 and HCR_EL2 for enabling MTE are set, and if the > ID_AA64PFR1_EL1 register shows MTE is present, the GCR_EL1 register is > also configured, and the two TFSR registers which hold pending tag check > faults are cleared. > > Reviewed by: andrew > Sponsored by: Arm Ltd > Signed-off-by: Harry Moulton <harry.moulton@arm.com> > Differential Revision: https://reviews.freebsd.org/D55946 After this commit I can't boot a FreeBSD aarch64 VM in qemu using "-cpu max": boot hangs shortly after the loader handoff. If I revert just this commit on the latest main, I'm able to boot.home | help
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