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Thu, 01 May 2025 14:46:07 +0100 Date: Thu, 01 May 2025 14:46:06 +0100 Message-ID: <86wmb0h2ap.wl-maz@kernel.org> From: Marc Zyngier To: Joey Gouly Cc: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Suzuki K Poulose , Oliver Upton , Zenghui Yu , Mark Rutland , Fuad Tabba , Will Deacon , Catalin Marinas Subject: Re: [PATCH v3 08/42] arm64: sysreg: Add registers trapped by HFG{R,W}TR2_EL2 In-Reply-To: <20250501101136.GE1859293@e124191.cambridge.arm.com> References: <20250426122836.3341523-1-maz@kernel.org> <20250426122836.3341523-9-maz@kernel.org> <20250501101136.GE1859293@e124191.cambridge.arm.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: joey.gouly@arm.com, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, mark.rutland@arm.com, tabba@google.com, will@kernel.org, catalin.marinas@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250501_064610_070842_7888BF19 X-CRM114-Status: GOOD ( 21.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 01 May 2025 11:11:36 +0100, Joey Gouly wrote: > > On Sat, Apr 26, 2025 at 01:28:02PM +0100, Marc Zyngier wrote: > > Bulk addition of all the system registers trapped by HFG{R,W}TR2_EL2. > > > > The descriptions are extracted from the BSD-licenced JSON file part > > of the 2025-03 drop from ARM. > > > > Signed-off-by: Marc Zyngier > > --- > > arch/arm64/tools/sysreg | 395 ++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 395 insertions(+) > > > > diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg > > index 6433a3ebcef49..7969e632492bb 100644 > > --- a/arch/arm64/tools/sysreg > > +++ b/arch/arm64/tools/sysreg > > @@ -2068,6 +2068,26 @@ Field 1 A > > Field 0 M > > EndSysreg > > > > +Sysreg SCTLR_EL12 3 5 1 0 0 > > +Mapping SCTLR_EL1 > > +EndSysreg > > + > > +Sysreg SCTLRALIAS_EL1 3 0 1 4 6 > > +Mapping SCTLR_EL1 > > +EndSysreg > > + > > +Sysreg ACTLR_EL1 3 0 1 0 1 > > +Field 63:0 IMPDEF > > +EndSysreg > > + > > +Sysreg ACTLR_EL12 3 5 1 0 1 > > +Mapping ACTLR_EL1 > > +EndSysreg > > + > > +Sysreg ACTLRALIAS_EL1 3 0 1 4 5 > > +Mapping ACTLR_EL1 > > +EndSysreg > > + > > Do you want to update CPACR_EL1 while you're at it, so that it matches > CPACRMASK_EL1? Do you mean adding the TAM and TCPAC bits added by FEAT_NV2p1? Sure, no problem. I'll probably add that as a separate patch though, as I want this one to only be concerned with the FEAT_FGT2-controlled accessors. Thanks, M. -- Without deviation from the norm, progress is not possible.