There is no register restore processor id at ARM Platform,we talked with ARM Charles and made a agreement that we can use MIDR instead,maybe there will be a specific register to read the processor id in future.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Heyi Guo heyi.guo@linaro.org Reviewed-by: Charles Garcia-Tobin charles.garcia-tobin@arm.com Reviewed-by: Leif Lindholm leif.lindholm@linaro.org --- .../Hisilicon/Drivers/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/Chips/Hisilicon/Drivers/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c b/Chips/Hisilicon/Drivers/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c index 07dae5f..005d28f 100644 --- a/Chips/Hisilicon/Drivers/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c +++ b/Chips/Hisilicon/Drivers/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c @@ -490,6 +490,7 @@ AddSmbiosProcessorTypeTable ( CHAR16 *CpuVersion; STRING_REF TokenToUpdate;
+ UINT64 *ProcessorId; Type4Record = NULL; ProcessorManuStr = NULL; ProcessorVersionStr = NULL; @@ -614,6 +615,8 @@ AddSmbiosProcessorTypeTable ( Type4Record->ProcessorCharacteristics = ProcessorCharacteristics.Data;
Type4Record->ExternalClock = (UINT16)(ArmReadCntFrq() / 1000 / 1000); + ProcessorId = (UINT64 *)&(Type4Record->ProcessorId); + *ProcessorId = ArmReadMidr();
OptionalStrStart = (CHAR8 *) (Type4Record + 1); UnicodeStrToAsciiStr (ProcessorSocketStr, OptionalStrStart);