Changeset 60659 in vbox

Timestamp:

Apr 22, 2016 4:12:33 PM (9 years ago)

Author:

vboxsync

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

106827

Message:

iem/smsw: Missed a 286 tweak.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h

@@ -1014 +1014 @@
         IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
         IEM_MC_FETCH_CR0_U16(u16Tmp);
+#if IEM_CFG_TARGET_CPU == IEMTARGETCPU_DYNAMIC
+        if (pIemCpu->uTargetCpu == IEMTARGETCPU_286)
+            IEM_MC_OR_LOCAL_U16(u16Tmp, 0xfff0); /* Reserved bits observed all set on real hw. */
+#endif
         IEM_MC_STORE_MEM_U16(pIemCpu->iEffSeg, GCPtrEffDst, u16Tmp);
         IEM_MC_ADVANCE_RIP();