Reviewed-by: Nate DeSimone <[email protected]> > -----Original Message----- > From: [email protected] <[email protected]> On Behalf Of > Benjamin Doron > Sent: Thursday, July 22, 2021 7:27 PM > To: [email protected] > Cc: Chiu, Chasel <[email protected]>; Desimone, Nathaniel L > <[email protected]>; Liming Gao > <[email protected]>; Dong, Eric <[email protected]> > Subject: [edk2-devel] [PATCH v2] MinPlatformPkg/PciHostBridgeLibSimple: > Fix Mem.Limit assignment > > In the case where the root bridge's Mem.Limit is the base address of PCIe > MMIO, subtract one to make a valid end address. > > This fixes an issue where CpuDxe returns "Length(0x50000001) is not > aligned!" when PciHostBridgeDxe attempts to make this range uncacheable. > > Cc: Chasel Chiu <[email protected]> > Cc: Nate DeSimone <[email protected]> > Cc: Liming Gao <[email protected]> > Cc: Eric Dong <[email protected]> > Signed-off-by: Benjamin Doron <[email protected]> > --- > > Platform/Intel/MinPlatformPkg/Pci/Library/PciHostBridgeLibSimple/PciHostB > ridgeLibSimple.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git > a/Platform/Intel/MinPlatformPkg/Pci/Library/PciHostBridgeLibSimple/PciHos > tBridgeLibSimple.c > b/Platform/Intel/MinPlatformPkg/Pci/Library/PciHostBridgeLibSimple/PciHos > tBridgeLibSimple.c > index e231f747019e..0e3fee28b5d1 100644 > --- > a/Platform/Intel/MinPlatformPkg/Pci/Library/PciHostBridgeLibSimple/PciHos > tBridgeLibSimple.c > +++ b/Platform/Intel/MinPlatformPkg/Pci/Library/PciHostBridgeLibSimple/P > +++ ciHostBridgeLibSimple.c > @@ -90,7 +90,7 @@ PciHostBridgeGetRootBridges ( > if (PcdGet32(PcdPciReservedMemLimit) != 0) { > mRootBridgeTemplate.Mem.Limit = PcdGet32 (PcdPciReservedMemLimit); > } else {- mRootBridgeTemplate.Mem.Limit = (UINT32) PcdGet64 > (PcdPciExpressBaseAddress);+ mRootBridgeTemplate.Mem.Limit = > (UINT32) PcdGet64 (PcdPciExpressBaseAddress) - 1; } > mRootBridgeTemplate.MemAbove4G.Base = PcdGet64 > (PcdPciReservedMemAbove4GBBase);-- > 2.31.1 > > > > -=-=-=-=-=-= > Groups.io Links: You receive all messages sent to this group. > View/Reply Online (#78112): https://edk2.groups.io/g/devel/message/78112 > Mute This Topic: https://groups.io/mt/84393639/1767664 > Group Owner: [email protected] > Unsubscribe: https://edk2.groups.io/g/devel/unsub > [[email protected]] -=-=-=-=-=-= >
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