MdePkg Cpuid.h: Define CPUID.(EAX=7,ECX=0):EDX[30]

[edk2-devel] [PATCH] MdePkg Cpuid.h: Define CPUID.(EAX=7,ECX=0):EDX[30]

Posted by Zeng, Star 2 years, 6 months ago

This patch follows new Intel SDM to define CPUID.(EAX=7,ECX=0):EDX[30].

Signed-off-by: Star Zeng <star.zeng@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
---
 MdePkg/Include/Register/Intel/Cpuid.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MdePkg/Include/Register/Intel/Cpuid.h b/MdePkg/Include/Register/Intel/Cpuid.h
index 6f77e174c115..5ec85ba561ac 100644
--- a/MdePkg/Include/Register/Intel/Cpuid.h
+++ b/MdePkg/Include/Register/Intel/Cpuid.h
@@ -1587,9 +1587,9 @@ typedef union {
     ///
     UINT32  EnumeratesSupportForCapability:1;
     ///
-    /// [Bit 30] Reserved.
+    /// [Bit 30] Enumerates support for the IA32_CORE_CAPABILITIES MSR.
     ///
-    UINT32  Reserved3:1;
+    UINT32  EnumeratesSupportForCoreCapabilitiesMsr:1;
     ///
     /// [Bit 31] Enumerates support for Speculative Store Bypass Disable (SSBD).
     /// Processors that set this bit sup-port the IA32_SPEC_CTRL MSR. They allow
-- 
2.27.0.windows.1



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Re: [edk2-devel] [PATCH] MdePkg Cpuid.h: Define CPUID.(EAX=7,ECX=0):EDX[30]

Posted by Ni, Ray 2 years, 6 months ago

Reviewed-by: Ray Ni <ray.ni@intel.com>

> -----Original Message-----
> From: Zeng, Star <star.zeng@intel.com>
> Sent: Thursday, October 21, 2021 11:28 AM
> To: devel@edk2.groups.io
> Cc: Zeng, Star <star.zeng@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; Liming Gao
> <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>; Ni, Ray <ray.ni@intel.com>
> Subject: [PATCH] MdePkg Cpuid.h: Define CPUID.(EAX=7,ECX=0):EDX[30]
> 
> This patch follows new Intel SDM to define CPUID.(EAX=7,ECX=0):EDX[30].
> 
> Signed-off-by: Star Zeng <star.zeng@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Cc: Ray Ni <ray.ni@intel.com>
> ---
>  MdePkg/Include/Register/Intel/Cpuid.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/MdePkg/Include/Register/Intel/Cpuid.h b/MdePkg/Include/Register/Intel/Cpuid.h
> index 6f77e174c115..5ec85ba561ac 100644
> --- a/MdePkg/Include/Register/Intel/Cpuid.h
> +++ b/MdePkg/Include/Register/Intel/Cpuid.h
> @@ -1587,9 +1587,9 @@ typedef union {
>      ///
> 
>      UINT32  EnumeratesSupportForCapability:1;
> 
>      ///
> 
> -    /// [Bit 30] Reserved.
> 
> +    /// [Bit 30] Enumerates support for the IA32_CORE_CAPABILITIES MSR.
> 
>      ///
> 
> -    UINT32  Reserved3:1;
> 
> +    UINT32  EnumeratesSupportForCoreCapabilitiesMsr:1;
> 
>      ///
> 
>      /// [Bit 31] Enumerates support for Speculative Store Bypass Disable (SSBD).
> 
>      /// Processors that set this bit sup-port the IA32_SPEC_CTRL MSR. They allow
> 
> --
> 2.27.0.windows.1



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回复: [edk2-devel] [PATCH] MdePkg Cpuid.h: Define CPUID.(EAX=7,ECX=0):EDX[30]

Posted by gaoliming 2 years, 6 months ago

Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Ni, Ray
> 发送时间: 2021年10月22日 11:29
> 收件人: Zeng, Star <star.zeng@intel.com>; devel@edk2.groups.io
> 抄送: Kinney, Michael D <michael.d.kinney@intel.com>; Liming Gao
> <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>
> 主题: Re: [edk2-devel] [PATCH] MdePkg Cpuid.h: Define
> CPUID.(EAX=7,ECX=0):EDX[30]
> 
> Reviewed-by: Ray Ni <ray.ni@intel.com>
> 
> > -----Original Message-----
> > From: Zeng, Star <star.zeng@intel.com>
> > Sent: Thursday, October 21, 2021 11:28 AM
> > To: devel@edk2.groups.io
> > Cc: Zeng, Star <star.zeng@intel.com>; Kinney, Michael D
> <michael.d.kinney@intel.com>; Liming Gao
> > <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>; Ni,
> Ray <ray.ni@intel.com>
> > Subject: [PATCH] MdePkg Cpuid.h: Define CPUID.(EAX=7,ECX=0):EDX[30]
> >
> > This patch follows new Intel SDM to define CPUID.(EAX=7,ECX=0):EDX[30].
> >
> > Signed-off-by: Star Zeng <star.zeng@intel.com>
> > Cc: Michael D Kinney <michael.d.kinney@intel.com>
> > Cc: Liming Gao <gaoliming@byosoft.com.cn>
> > Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> > Cc: Ray Ni <ray.ni@intel.com>
> > ---
> >  MdePkg/Include/Register/Intel/Cpuid.h | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/MdePkg/Include/Register/Intel/Cpuid.h
> b/MdePkg/Include/Register/Intel/Cpuid.h
> > index 6f77e174c115..5ec85ba561ac 100644
> > --- a/MdePkg/Include/Register/Intel/Cpuid.h
> > +++ b/MdePkg/Include/Register/Intel/Cpuid.h
> > @@ -1587,9 +1587,9 @@ typedef union {
> >      ///
> >
> >      UINT32  EnumeratesSupportForCapability:1;
> >
> >      ///
> >
> > -    /// [Bit 30] Reserved.
> >
> > +    /// [Bit 30] Enumerates support for the IA32_CORE_CAPABILITIES
> MSR.
> >
> >      ///
> >
> > -    UINT32  Reserved3:1;
> >
> > +    UINT32  EnumeratesSupportForCoreCapabilitiesMsr:1;
> >
> >      ///
> >
> >      /// [Bit 31] Enumerates support for Speculative Store Bypass
Disable
> (SSBD).
> >
> >      /// Processors that set this bit sup-port the IA32_SPEC_CTRL MSR.
> They allow
> >
> > --
> > 2.27.0.windows.1
> 
> 
> 
> 
> 





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