Changeset 46143 in vbox for trunk

Timestamp:

May 17, 2013 2:20:53 PM (12 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Make single-stepping work in the hypervisor debugger when the monitor-trap flag is not available.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -3113 +3113 @@
         }
         else
+        {
             fInterceptDB = true;
+            pMixedCtx->eflags.u32 |= X86_EFL_TF;
+            pVCpu->hm.s.fContextUseFlags |= HM_CHANGED_GUEST_RFLAGS;
+        }
     }
 
@@ -6534 +6538 @@
     AssertLogRelMsgRCReturn(rc, ("hmR0VmxLoadGuestApicState! rc=%Rrc (pVM=%p pVCpu=%p)\n", rc, pVM, pVCpu), rc);
 
+    /* Must be done after hmR0VmxLoadGuestDebugRegs() as it may update eflags.TF for debugging purposes. */
     rc = hmR0VmxLoadGuestRipRspRflags(pVCpu, pMixedCtx);
     AssertLogRelMsgRCReturn(rc, ("hmR0VmxLoadGuestGprs! rc=%Rrc (pVM=%p pVCpu=%p)\n", rc, pVM, pVCpu), rc);