[edk2-devel] [PATCH v5 1/2] MdePkg/Cpuid.h: Add CPUID_HYBRID_INFORMATION Leaf(1Ah).
Ni, Ray
ray.ni at intel.com
Wed Jan 13 03:54:26 UTC 2021
Reviewed-by: Ray Ni <ray.ni at intel.com>
I remember that I have given Reviewed-by before.
Can you please include the "Reviewed-by: Ray Ni <ray.ni at intel.com>" when sending new version of patches
if the patch is not changed?
Thanks,
Ray
> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Jason Lou
> Sent: Thursday, January 7, 2021 11:23 AM
> To: devel at edk2.groups.io
> Cc: Lou, Yun <yun.lou at intel.com>; Kinney, Michael D
> <michael.d.kinney at intel.com>; Liming Gao <gaoliming at byosoft.com.cn>; Liu,
> Zhiguang <zhiguang.liu at intel.com>
> Subject: [edk2-devel] [PATCH v5 1/2] MdePkg/Cpuid.h: Add
> CPUID_HYBRID_INFORMATION Leaf(1Ah).
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3105
>
> The UefiCpuPkg/CpuCacheInfoLib will reference new definition
> about CPUID_HYBRID_INFORMATION Leaf(1Ah).
>
> Signed-off-by: Jason Lou <yun.lou at intel.com>
> Cc: Michael D Kinney <michael.d.kinney at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu at intel.com>
> ---
> MdePkg/Include/Register/Intel/Cpuid.h | 63 +++++++++++++++++++-
> 1 file changed, 62 insertions(+), 1 deletion(-)
>
> diff --git a/MdePkg/Include/Register/Intel/Cpuid.h
> b/MdePkg/Include/Register/Intel/Cpuid.h
> index d4496079570d..dd1b64a1e50b 100644
> --- a/MdePkg/Include/Register/Intel/Cpuid.h
> +++ b/MdePkg/Include/Register/Intel/Cpuid.h
> @@ -1278,7 +1278,7 @@ typedef union {
> @retval EAX The maximum input value for ECX to retrieve sub-leaf
> information.
>
> @retval EBX Structured Extended Feature Flags described by the type
>
> CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EBX.
>
> - @retval EBX Structured Extended Feature Flags described by the type
>
> + @retval ECX Structured Extended Feature Flags described by the type
>
> CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_ECX.
>
> @retval EDX Reserved.
>
>
>
> @@ -3597,6 +3597,67 @@ typedef union {
> ///
>
>
>
>
>
> +/**
>
> + CPUID Hybrid Information Enumeration Leaf
>
> +
>
> + @param EAX CPUID_HYBRID_INFORMATION (0x1A)
>
> + @param ECX CPUID_HYBRID_INFORMATION_SUB_LEAF (0x00).
>
> +
>
> + @retval EAX Enumerates the native model ID and core type described
>
> + by the type CPUID_NATIVE_MODEL_ID_AND_CORE_TYPE_EAX
>
> + @retval EBX Reserved.
>
> + @retval ECX Reserved.
>
> + @retval EDX Reserved.
>
> +
>
> + <b>Example usage</b>
>
> + @code
>
> + CPUID_NATIVE_MODEL_ID_AND_CORE_TYPE_EAX Eax;
>
> +
>
> + AsmCpuidEx (
>
> + CPUID_HYBRID_INFORMATION,
>
> + CPUID_HYBRID_INFORMATION_SUB_LEAF,
>
> + &Eax, NULL, NULL, NULL
>
> + );
>
> + @endcode
>
> +
>
> +**/
>
> +#define CPUID_HYBRID_INFORMATION 0x1A
>
> +
>
> +///
>
> +/// CPUID Hybrid Information Enumeration sub-leaf
>
> +///
>
> +#define CPUID_HYBRID_INFORMATION_SUB_LEAF 0x00
>
> +
>
> +/**
>
> + CPUID Hybrid Information EAX for CPUID leaf
> #CPUID_HYBRID_INFORMATION,
>
> + sub-leaf #CPUID_HYBRID_INFORMATION_SUB_LEAF.
>
> +**/
>
> +typedef union {
>
> + ///
>
> + /// Individual bit fields
>
> + ///
>
> + struct {
>
> + ///
>
> + /// [Bit 23:0] Native model ID of the core.
>
> + ///
>
> + /// The core-type and native mode ID can be used to uniquely identify
>
> + /// the microarchitecture of the core.This native model ID is not unique
>
> + /// across core types, and not related to the model ID reported in CPUID
>
> + /// leaf 01H, and does not identify the SOC.
>
> + ///
>
> + UINT32 NativeModelId:24;
>
> + ///
>
> + /// [Bit 31:24] Core type
>
> + ///
>
> + UINT32 CoreType:8;
>
> + } Bits;
>
> + ///
>
> + /// All bit fields as a 32-bit value
>
> + ///
>
> + UINT32 Uint32;
>
> +} CPUID_NATIVE_MODEL_ID_AND_CORE_TYPE_EAX;
>
> +
>
> +
>
> /**
>
> CPUID V2 Extended Topology Enumeration Leaf
>
>
>
> --
> 2.28.0.windows.1
>
>
>
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