Date: Mon, 22 Jun 2026 05:30:07 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@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 Subject: Re: git: c84261da6f6c - main - arm64: Add an initial GICv5 driver Message-ID: <89sqp82-4n9-qop-34oo-o36rns3op7rr@mnoonqbm.arg> In-Reply-To: <6a340764.3f96f.3b0a1d9d@gitrepo.freebsd.org>
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On Thu, 18 Jun 2026, Andrew Turner wrote: > The branch main has been updated by andrew: > > URL: https://cgit.FreeBSD.org/src/commit/?id=c84261da6f6ca6ae6d66eebb86da02467da3dd95 > > commit c84261da6f6ca6ae6d66eebb86da02467da3dd95 > Author: Andrew Turner <andrew@FreeBSD.org> > AuthorDate: 2026-06-18 13:30:01 +0000 > Commit: Andrew Turner <andrew@FreeBSD.org> > CommitDate: 2026-06-18 14:56:53 +0000 > > arm64: Add an initial GICv5 driver > > Add an initial driver for the GICv5 interrupt controller. > > This provides host-only support for the GICv5 interrupt controller. It > is specified in the ARM-AES-0070 document & based on version 00eac0. > > In the GICv5 there are 3 interrupt spaces: PPI, SPI, and LPI. Unlike > previous interrupt controllers they don't share a single interrupt > ID range, so PPI IRQ 1 and SPI IRQ 1 are different interrupts. There > is a common irqsrc stricture that encodes this information as it is > common across the interrupt types. > > Unlike previous GIC versions there are no software generated interrupts > that can target a configurable collection of CPUs. These have been > replaced with LPIs, where each CPU will have one allocated for each > IPI type. > > This driver handles the CPU interface and interrupt routing service > (IRS). The CPU interface provides the interface to manage and handle > interrupts, while the IRS handles routing LPIs and SPIs to the target > CPU. > > Sponsored by: Arm Ltd > Differential Revision: https://reviews.freebsd.org/D54250 > --- > sys/arm64/arm64/gicv5.c | 1611 +++++++++++++++++++++++++++++++++++++++++++ > sys/arm64/arm64/gicv5_fdt.c | 300 ++++++++ > sys/arm64/arm64/gicv5reg.h | 711 +++++++++++++++++++ > sys/arm64/arm64/gicv5var.h | 71 ++ > sys/conf/files.arm64 | 2 + > 5 files changed, 2695 insertions(+) For what it's worth (or not anymore): arm64 GENERIC-UP fails during make universe. -- Bjoern A. Zeeb r15:7home | help
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