From: "Rebecca Cran" <quic_rcran@quicinc.com>
To: <devel@edk2.groups.io>, <nhi@os.amperecomputing.com>
Cc: <patches@amperecomputing.com>, <quic_llindhol@quicinc.com>,
<ardb+tianocore@kernel.org>,
Tinh Nguyen <tinhnguyen@os.amperecomputing.com>
Subject: Re: [edk2-devel] [edk2-platforms][PATCH 1/1] AmpereAltraPkg: Update ArmPlatformLib to work with changed ARM_CORE_INFO
Date: Fri, 13 Jan 2023 07:40:38 -0700 [thread overview]
Message-ID: <7d401f29-56d9-d754-88a6-684ce329a727@quicinc.com> (raw)
In-Reply-To: <20230113042126.3107135-1-nhi@os.amperecomputing.com>
On 1/12/23 21:21, Nhi Pham via groups.io wrote:
> +//
> +// MPIDR manipulation
> +//
> +#define AC01_GET_MPIDR(SocketId, ClusterId, CoreId) \
> + (((SocketId) << 32) | ((ClusterId) << 16) | ((CoreId) << 8))
> +#define AC01_GET_SOCKET_ID(Mpidr) (((Mpidr) & ARM_CORE_AFF3) >> 32)
> +#define AC01_GET_CLUSTER_ID(Mpidr) (((Mpidr) & ARM_CORE_AFF2) >> 16)
> +#define AC01_GET_CORE_ID(Mpidr) (((Mpidr) & ARM_CORE_AFF1) >> 8)
> +
Ideally, this should go in ArmPkg/Include/Library/ArmLib.h, but I'm not
sure how we should handle the older format where the the core was in the
first 8 bits.
--
Rebecca Cran
next prev parent reply other threads:[~2023-01-13 14:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 4:21 [edk2-platforms][PATCH 1/1] AmpereAltraPkg: Update ArmPlatformLib to work with changed ARM_CORE_INFO Nhi Pham
2023-01-13 14:40 ` Rebecca Cran [this message]
2023-01-17 9:53 ` [edk2-devel] " Nhi Pham
2023-01-17 12:55 ` Rebecca Cran
2023-01-17 16:40 ` Ard Biesheuvel
2023-01-17 18:21 ` Rebecca Cran
2023-01-31 6:35 ` Nhi Pham
2023-02-15 11:28 ` Leif Lindholm
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