diff options
Diffstat (limited to 'CorebootPayloadPkg')
| -rw-r--r-- | CorebootPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/CorebootPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c b/CorebootPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c index a95ffcaf64..0f1c8cb1a2 100644 --- a/CorebootPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c +++ b/CorebootPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c @@ -193,6 +193,7 @@ PcatPciRootBridgeParseBars ( UINT32 UpperValue;
UINT64 Mask;
UINTN Offset;
+ UINTN LowBit;
UINT64 Base;
UINT64 Length;
UINT64 Limit;
@@ -262,7 +263,10 @@ PcatPciRootBridgeParseBars ( Base = Base | LShiftU64 ((UINT64) OriginalUpperValue, 32);
Length = Length | LShiftU64 ((UINT64) UpperValue, 32);
- Length = (~Length) + 1;
+ if (Length != 0) {
+ LowBit = LowBitSet64 (Length);
+ Length = LShiftU64 (1ULL, LowBit);
+ }
if ((Value & BIT3) == BIT3) {
MemAperture = PMemAbove4G;
|