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UefiCpuPkg: Adding a new TSC library by using CPUID(0x15) TSC leaf

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1909

Cc: Ray Ni <ray.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Amy Chan <amy.chan@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Signed-off-by: Donald Kuo <donald.kuo@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
This commit is contained in:
Donald Kuo
2019-08-12 12:34:39 +08:00
committed by Liming Gao
parent 9c90d39b60
commit 30781febe2
13 changed files with 643 additions and 0 deletions
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8
UefiCpuPkg/UefiCpuPkg.dec
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@@ -211,6 +211,14 @@
# @Prompt If CPU features will be initialized during S3 resume.
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesInitOnS3Resume|FALSE|BOOLEAN|0x0000001D
## Specifies CPUID Leaf 0x15 Time Stamp Counter and Nominal Core Crystal Clock Frequency.
# TSC Frequency = ECX (core crystal clock frequency) * EBX/EAX.
# Intel Xeon Processor Scalable Family with CPUID signature 06_55H = 25000000 (25MHz)
# 6th and 7th generation Intel Core processors and Intel Xeon W Processor Family = 24000000 (24MHz)
# Intel Atom processors based on Goldmont Microarchitecture with CPUID signature 06_5CH = 19200000 (19.2MHz)
# @Prompt This PCD is the nominal frequency of the core crystal clock in Hz as is CPUID Leaf 0x15:ECX
gUefiCpuPkgTokenSpaceGuid.PcdCpuCoreCrystalClockFrequency|24000000|UINT64|0x32132113
[PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
## Specifies max supported number of Logical Processors.
# @Prompt Configure max supported number of Logical Processors