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OvmfPkg/XenSupport: use a correct PCI host bridge aperture for BAR64

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In case BAR64 is placed below 4G choose the correct aperture.
This fixes a failed assertion down the code path.

Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
This commit is contained in:
Igor Druzhinin 2019-04-25 21:23:57 +01:00 committed by Laszlo Ersek
parent 27e4d6ae25
commit d63610df60
1 changed files with 5 additions and 1 deletions
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6
OvmfPkg/Library/PciHostBridgeLib/XenSupport.c
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@ -137,7 +137,11 @@ PcatPciRootBridgeParseBars (
Length = Length | LShiftU64 ((UINT64) UpperValue, 32);
Length = (~Length) + 1;
MemAperture = MemAbove4G;
if (Base < BASE_4GB) {
MemAperture = Mem;
} else {
MemAperture = MemAbove4G;
}
}
Limit = Base + Length - 1;