diff options
Diffstat (limited to 'UefiCpuPkg/UefiCpuPkg.dec')
-rw-r--r-- | UefiCpuPkg/UefiCpuPkg.dec | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec index 031a2ccd68..12f4413ea5 100644 --- a/UefiCpuPkg/UefiCpuPkg.dec +++ b/UefiCpuPkg/UefiCpuPkg.dec @@ -227,6 +227,19 @@ ## Specifies timeout value in microseconds for the BSP to detect all APs for the first time.
# @Prompt Timeout for the BSP to detect all APs for the first time.
gUefiCpuPkgTokenSpaceGuid.PcdCpuApInitTimeOutInMicroSeconds|50000|UINT32|0x00000004
+ ## Specifies the number of Logical Processors that are available in the
+ # preboot environment after platform reset, including BSP and APs. Possible
+ # values:<BR><BR>
+ # zero (default) - PcdCpuBootLogicalProcessorNumber is ignored, and
+ # PcdCpuApInitTimeOutInMicroSeconds limits the initial AP
+ # detection by the BSP.<BR>
+ # nonzero - PcdCpuApInitTimeOutInMicroSeconds is ignored. The initial
+ # AP detection finishes only when the detected CPU count
+ # (BSP plus APs) reaches the value of
+ # PcdCpuBootLogicalProcessorNumber, regardless of how long
+ # that takes.<BR>
+ # @Prompt Number of Logical Processors available after platform reset.
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuBootLogicalProcessorNumber|0|UINT32|0x00000008
## Specifies the base address of the first microcode Patch in the microcode Region.
# @Prompt Microcode Region base address.
gUefiCpuPkgTokenSpaceGuid.PcdCpuMicrocodePatchAddress|0x0|UINT64|0x00000005
|