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UefiCpuPkg/Include/Register/Msr/SilvermontMsr.h: Add new MSR. 

Changes includes:
  1. Add new MSR: MSR_SILVERMONT_PLATFORM_INFO

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Eric Dong 2018-08-30 13:49:16 +08:00
parent b715c37eaa
commit 47f75d2169
1 changed files with 48 additions and 0 deletions
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48
UefiCpuPkg/Include/Register/Msr/SilvermontMsr.h
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@ -375,6 +375,54 @@ typedef union {
} MSR_SILVERMONT_FSB_FREQ_REGISTER;
/**
Package. Platform Information: Contains power management and other model
specific features enumeration. See http://biosbits.org.
@param ECX MSR_SILVERMONT_PLATFORM_INFO (0x000000CE)
@param EAX Lower 32-bits of MSR value.
Described by the type MSR_SILVERMONT_PLATFORM_INFO_REGISTER.
@param EDX Upper 32-bits of MSR value.
Described by the type MSR_SILVERMONT_PLATFORM_INFO_REGISTER.
<b>Example usage</b>
@code
MSR_SILVERMONT_PLATFORM_INFO_REGISTER Msr;
Msr.Uint64 = AsmReadMsr64 (MSR_SILVERMONT_PLATFORM_INFO);
AsmWriteMsr64 (MSR_SILVERMONT_PLATFORM_INFO, Msr.Uint64);
@endcode
**/
#define MSR_SILVERMONT_PLATFORM_INFO 0x000000CE
/**
MSR information returned for MSR index #MSR_SILVERMONT_PLATFORM_INFO
**/
typedef union {
///
/// Individual bit fields
///
struct {
UINT32 Reserved1:8;
///
/// [Bits 15:8] Package. Maximum Non-Turbo Ratio (R/O) This is the ratio
/// of the maximum frequency that does not require turbo. Frequency =
/// ratio * Scalable Bus Frequency.
///
UINT32 MaximumNon_TurboRatio:8;
UINT32 Reserved2:16;
UINT32 Reserved3:32;
} Bits;
///
/// All bit fields as a 32-bit value
///
UINT32 Uint32;
///
/// All bit fields as a 64-bit value
///
UINT64 Uint64;
} MSR_SILVERMONT_PLATFORM_INFO_REGISTER;
/**
Module. C-State Configuration Control (R/W) Note: C-state values are
processor specific C-state code names, unrelated to MWAIT extension C-state