From c3933ccbbad7cc00f77f01acea19f6ca4de97bac Mon Sep 17 00:00:00 2001 From: Ruiyu Ni Date: Sat, 30 Apr 2016 09:34:54 +0800 Subject: [PATCH] OvmfPkg/PciHostBridgeLib: Set correct Base/Limit for absent resource In order to match the previous commit, Base must be strictly larger than Limit if some type of aperture is not available on a PCI root bridge. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni Reviewed-by: Laszlo Ersek --- OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c index 1d3d10ad73..9e01498187 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -125,11 +125,11 @@ InitRootBridge ( RootBus->DmaAbove4G = FALSE; RootBus->AllocationAttributes = EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM; - RootBus->PMem.Base = 0; + RootBus->PMem.Base = MAX_UINT64; RootBus->PMem.Limit = 0; - RootBus->PMemAbove4G.Base = 0; + RootBus->PMemAbove4G.Base = MAX_UINT64; RootBus->PMemAbove4G.Limit = 0; - RootBus->MemAbove4G.Base = 0; + RootBus->MemAbove4G.Base = MAX_UINT64; RootBus->MemAbove4G.Limit = 0; if (PcdGet64 (PcdPciMmio64Size) > 0) { -- 2.39.2