Cc: Jiewen Yao <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <[email protected]>
---
IntelSiliconPkg/IntelVTdDxe/VtdReg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/IntelSiliconPkg/IntelVTdDxe/VtdReg.c
b/IntelSiliconPkg/IntelVTdDxe/VtdReg.c
index 456a039bcd..d19aea2cc1 100644
--- a/IntelSiliconPkg/IntelVTdDxe/VtdReg.c
+++ b/IntelSiliconPkg/IntelVTdDxe/VtdReg.c
@@ -158,7 +158,7 @@ InvalidateVtdIOTLBDomain (
Reg64 &= ((~B_IOTLB_REG_IVT) & (~B_IOTLB_REG_IIRG_MASK));
Reg64 |= (B_IOTLB_REG_IVT | V_IOTLB_REG_IIRG_DOMAIN);
- Reg64 |= DomainIdentifier;
+ Reg64 |= LShiftU64 (DomainIdentifier, 32);
MmioWrite64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress +
(mVtdUnitInformation[VtdIndex].ECapReg.Bits.IRO * 16) + R_IOTLB_REG, Reg64);
do {
--
2.12.0.windows.1
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