2.5.78 IHDB

The IHDB structure is a 4-byte signed integer that specifies a reference to a cache hierarchy. The value of this structure MUST be a value from the following table.

Value

Meaning

-2

Specifies that the measure (section 2.2.5.2.7.1) cache hierarchy is used.

-1

Specifies that no cache hierarchy is used.

greater than or equal to 0

Specifies a cache hierarchy index, as specified in section 2.2.5.2.7. The referenced BrtBeginPCDHierarchy (section 2.4.146) record specifies the cache hierarchy that is used. This value MUST be less than the number of BrtBeginPCDHierarchy records in the BrtBeginPCDHierarchies collection (section 2.4.145).