Hi,
> + if (PagingMode == Paging4Level1GB || PagingMode == Paging4Level) {
> + //
> + // The max lineaddress bits is 48 for 4 level page table.
> + //
> + VirPhyAddressSize.Bits.PhysicalAddressBits = MIN
> (VirPhyAddressSize.Bits.PhysicalAddressBits, 48);
> + }
virtual addresses in long mode are sign-extended. Which means you have
only 47 bits (or 56 bits with 5-level paging) for identity mappings.
take care,
Gerd
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