On Fri, 2 Oct 2015, Ard Biesheuvel wrote: > diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Mmu.c > b/ArmPkg/Library/ArmLib/AArch64/AArch64Mmu.c > index d98769b06b75..c84c872dbe60 100644 > --- a/ArmPkg/Library/ArmLib/AArch64/AArch64Mmu.c > +++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Mmu.c > @@ -303,8 +303,9 @@ GetBlockEntryListFromAddress ( > } > } > > - // Identify the Page Level the RegionStart must belongs to > - PageLevel = 3 - ((BaseAddressAlignment - 12) / 9); > + // Identify the Page Level the RegionStart must belong to. Note > that PageLevel > + // should be at least 1 since block translations are not supported at > level 0 > + PageLevel = MAX (3 - ((BaseAddressAlignment - 12) / 9), 1); > > // If the required size is smaller than the current block size then > we need to go to the page below. > // The PageLevel was calculated on the Base Address alignment but > did not take in account the alignment
It works. Tested-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
