From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Raghavendra Rao Ananta <rananta@google.com>,
Oliver Upton <oliver.upton@linux.dev>,
Marc Zyngier <maz@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Mark Brown <broonie@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH] arm64/sysreg: Correct the values for GICv4.1
Date: Mon, 22 Jul 2024 14:09:52 +0530 [thread overview]
Message-ID: <c324b32d-a932-44c2-9d16-445b604d2eb5@arm.com> (raw)
In-Reply-To: <20240718215532.616447-1-rananta@google.com>
On 7/19/24 03:25, Raghavendra Rao Ananta wrote:
> Currently, sysreg has value as 0b0010 for the presence of GICv4.1 in
> ID_PFR1_EL1 and ID_AA64PFR0_EL1, instead of 0b0011 as per ARM ARM.
> Hence, correct them to reflect ARM ARM.
>
> Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
> ---
> arch/arm64/tools/sysreg | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index a4c1dd4741a47..7ceaa1e0b4bc2 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -149,7 +149,7 @@ Res0 63:32
> UnsignedEnum 31:28 GIC
> 0b0000 NI
> 0b0001 GICv3
> - 0b0010 GICv4p1
> + 0b0011 GICv4p1
> EndEnum
> UnsignedEnum 27:24 Virt_frac
> 0b0000 NI
> @@ -903,7 +903,7 @@ EndEnum
> UnsignedEnum 27:24 GIC
> 0b0000 NI
> 0b0001 IMP
> - 0b0010 V4P1
> + 0b0011 V4P1
> EndEnum
> SignedEnum 23:20 AdvSIMD
> 0b0000 IMP
>
> base-commit: 0c3836482481200ead7b416ca80c68a29cfdaabd
This checks against ARM DDI 0487K.a and ddi0601/2024-06 XML.
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
next prev parent reply other threads:[~2024-07-22 8:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-18 21:55 Raghavendra Rao Ananta
2024-07-19 7:55 ` Marc Zyngier
2024-07-22 8:00 ` Anshuman Khandual
2024-07-21 9:29 ` Zenghui Yu
2024-07-22 8:37 ` Anshuman Khandual
2024-07-22 8:39 ` Anshuman Khandual [this message]
2024-07-23 15:46 ` Will Deacon
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