Specify memory size with bytes to reserve EBDA below 640K for OPROM.
The value should be a multiple of 4KB.
Reserved EBDA Memory Size
0x80000001 | (gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdEbdaReservedMemorySize < 0xA0000) AND ((gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdEbdaReservedMemorySize & 0x1000) == 0)
Name | Token Space | Token number | Data Type | Default Value |
PcdEbdaReservedMemorySize | gEfiIntelFrameworkModulePkgTokenSpaceGuid | 0x30000005 | UINT32 | 0x8000 |