Changeset 37133 in vbox

Timestamp:

May 18, 2011 1:51:06 PM (14 years ago)

Author:

vboxsync

Message:

CPUM,x86.h: Hypervisor present bit.

Location:

trunk

Files:

• include/VBox/x86.h (modified) (1 diff)
• src/VBox/VMM/VMMR3/CPUM.cpp (modified) (1 diff)

trunk/include/VBox/x86.h

@@ -259 +259 @@
     /** Bit 29 - 30 - Reserved */
     unsigned    u2Reserved3 : 2;
-    /** Reserved, always 0. */
-    unsigned    u1Reserved4 : 1;
+    /** Bit 31 - Hypervisor present (we're a guest). */
+    unsigned    u1HVP : 1;
 } X86CPUIDFEATECX;
 /** Pointer to CPUID Feature Information - ECX. */

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

@@ -3052 +3052 @@
             pHlp->pfnPrintf(pHlp, "AVX instruction extensions             = %d (%d)\n",  EcxGuest.u1AVX,        EcxHost.u1AVX);
             pHlp->pfnPrintf(pHlp, "29/30 - Reserved                       = %#x (%#x)\n",EcxGuest.u2Reserved3,  EcxHost.u2Reserved3);
-            pHlp->pfnPrintf(pHlp, "31 - Reserved (always 0)               = %d (%d)\n",  EcxGuest.u1Reserved4,  EcxHost.u1Reserved4);
+            pHlp->pfnPrintf(pHlp, "Hypervisor Present (we're a guest)     = %d (%d)\n",  EcxGuest.u1HVP,        EcxHost.u1HVP);
         }
     }