[edk2-devel] 回复: [PATCH v1 1/2] MdePkg/Cpuid.h: Add CPUID_HYBRID_INFORMATION Leaf(0x1A).
gaoliming
gaoliming at byosoft.com.cn
Fri Nov 20 05:45:25 UTC 2020
Include UefiCpuPkg maintainers Ray and Eric to review.
Besides, now, we are in soft feature freeze phase. So, this patch will be
merged after this stable tag 202011.
Thanks
Liming
> -----邮件原件-----
> 发件人: jasonlouyun <yun.lou at intel.com>
> 发送时间: 2020年11月19日 10:37
> 收件人: devel at edk2.groups.io
> 抄送: jasonlouyun <yun.lou at intel.com>; Michael D Kinney
> <michael.d.kinney at intel.com>; Zhiguang Liu <zhiguang.liu at intel.com>;
> Liming Gao <gaoliming at byosoft.com.cn>
> 主题: [PATCH v1 1/2] MdePkg/Cpuid.h: Add CPUID_HYBRID_INFORMATION
> Leaf(0x1A).
>
> Signed-off-by: Jason Lou <yun.lou at intel.com>
> Cc: Michael D Kinney <michael.d.kinney at intel.com>
> Cc: Zhiguang Liu <zhiguang.liu at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
> ---
> 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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