Changeset 71296 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

Mar 10, 2018 12:53:26 AM (7 years ago)

Author:

vboxsync

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

121231

Message:

NEM: Updates for build 17115 and fixes for AMD-V. bugref:9044

File:

• trunk/src/VBox/VMM/VMMR0/NEMR0Native-win.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/NEMR0Native-win.cpp

@@ -1408 +1408 @@
         if (fWhat & CPUMCTX_EXTRN_TR)
         {
+            /* AMD-V likes loading TR with in AVAIL state, whereas intel insists on BUSY.  So,
+               avoid to trigger sanity assertions around the code, always fix this. */
             COPY_BACK_SEG(iReg, HvX64RegisterTr,   pCtx->tr);
+            switch (pCtx->tr.Attr.n.u4Type)
+            {
+                case X86_SEL_TYPE_SYS_386_TSS_BUSY:
+                case X86_SEL_TYPE_SYS_286_TSS_BUSY:
+                    break;
+                case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
+                    pCtx->tr.Attr.n.u4Type = X86_SEL_TYPE_SYS_386_TSS_BUSY;
+                    break;
+                case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
+                    pCtx->tr.Attr.n.u4Type = X86_SEL_TYPE_SYS_286_TSS_BUSY;
+                    break;
+            }
             iReg++;
         }