VMMR3

Timestamp:

Jul 15, 2021 5:02:11 AM (4 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

145732

Message:

VMM/CPUM: Todo/comment to clarify 'Guest physical address width' being reported as 0.

File:

trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp

-              r89934
+              r90204
                 uint32_t uECX = pCurLeaf->uEcx;
+                /** @todo 0x80000008:EAX[23:16] is only defined for AMD. We'll get 0 on Intel. On
+                 *        AMD if we get 0, the guest physical address width should be taken from
+                 *        0x80000008:EAX[7:0] instead. Guest Physical address width is relevant
+                 *        for guests using nested paging. */
                 pHlp->pfnPrintf(pHlp,
                                 "Physical Address Width:          %d bits\n"

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