When a platform which doesn't support ACPI 1.0 (no XSDT) and FADT
is not produced at the first time when ACPI table is published,
GetCenturyRtcAddress() unconditionally deference Rsdp->RsdtAddress
but Rsdp->RsdtAddress is 0 in this case.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
c8ecaaf5e3