From: "Marcin Juszkiewicz" <marcin.juszkiewicz@linaro.org>
To: devel@edk2.groups.io
Cc: Xiong Yining <xiongyining1480@phytium.com.cn>,
Leif Lindholm <quic_llindhol@quicinc.com>,
Ard Biesheuvel <ardb+tianocore@kernel.org>,
Graeme Gregory <graeme@xora.org.uk>,
Chen Baozi <chenbaozi@phytium.com.cn>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Subject: Re: [edk2-devel] [PATCH edk2-platforms v4 6/6] SbsaQemu: export proper cache values in PPTT
Date: Thu, 11 Jul 2024 12:46:48 +0200 [thread overview]
Message-ID: <a6e0f2bb-9d30-41ff-b87f-f69e6f7ed744@linaro.org> (raw)
In-Reply-To: <17E0EB7A956FDF20.24858@groups.io>
On 10.07.2024 19:52, Marcin Juszkiewicz via groups.io wrote:
> We were exporting fake cpu cache values instead of reading them from
> CCSIDR registers.
>
> This change gets rid of fake values in favour of existing ones.
>
> Code taken from Ampere platform core.
>
> Reported-by: Jonathan Cameron<Jonathan.Cameron@Huawei.com>
> Signed-off-by: Marcin Juszkiewicz<marcin.juszkiewicz@linaro.org>
This patch needs work. As this way only works for older cores (before
Neoverse-V1).
Need to check FEAT_CCIDX and if it present then calculate caches properly.
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prev parent reply other threads:[~2024-07-11 10:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-10 17:52 [edk2-devel] [PATCH edk2-platforms v4 0/6] SbsaQemu: Align the PPTT tables with QEMU Marcin Juszkiewicz
2024-07-10 17:52 ` [edk2-devel] [PATCH edk2-platforms v4 1/6] SbsaQemu: get the information of CPU topology via SMC calls Marcin Juszkiewicz
2024-07-10 17:52 ` [edk2-devel] [PATCH edk2-platforms v4 2/6] SbsaQemu: align the PPTT tables with QEMU Marcin Juszkiewicz
2024-07-10 17:52 ` [edk2-devel] [PATCH edk2-platforms v4 3/6] SbsaQemu: update PPTT to ACPI 6.5 Marcin Juszkiewicz
2024-07-10 17:52 ` [edk2-devel] [PATCH edk2-platforms v4 4/6] SbsaQemu: provide cache info per core in PPTT Marcin Juszkiewicz
2024-07-10 17:52 ` [edk2-devel] [PATCH edk2-platforms v4 5/6] SbsaQemu: introduce helper in PPTT generation Marcin Juszkiewicz
2024-07-10 17:52 ` [edk2-devel] [PATCH edk2-platforms v4 6/6] SbsaQemu: export proper cache values in PPTT Marcin Juszkiewicz
[not found] ` <17E0EB7A956FDF20.24858@groups.io>
2024-07-11 10:46 ` Marcin Juszkiewicz [this message]
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