This PCD indicated final BIOS supported Hash mask.
Bios may choose to register a subset of PcdTpm2HashMask.
So this PCD is final value of how many hash algo is extended to PCR.
Hash Algorithm bitmap.
Name | Token Space | Token number | Data Type | Default Value |
PcdTcg2HashAlgorithmBitmap | gEfiSecurityPkgTokenSpaceGuid | 0x00010016 | UINT32 | 0xFFFFFFFF |