Changeset 71297 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Mar 10, 2018 6:02:02 AM (7 years ago)

Author:

vboxsync

Message:

NEM: Some more 17115 fixes and noted down an issue (possibly not at all new). bugref:9044

File:

• trunk/src/VBox/VMM/VMMAll/NEMAllNativeTemplate-win.cpp.h (modified) (4 diffs)

trunk/src/VBox/VMM/VMMAll/NEMAllNativeTemplate-win.cpp.h

@@ -1262 +1262 @@
            || pMsg->Header.InterceptAccessType == HV_INTERCEPT_ACCESS_WRITE
            || pMsg->Header.InterceptAccessType == HV_INTERCEPT_ACCESS_EXECUTE);
+    AssertMsg(pMsg->Header.InstructionLength < 0x10, ("%#x\n", pMsg->Header.InstructionLength));
 
     /*
@@ -1268 +1269 @@
     if (pMsg->Header.ExecutionState.InterruptionPending)
         pCtx->fExtrn &= ~CPUMCTX_EXTRN_NEM_WIN_MASK;
+
+#if 0 /* Experiment: 20K -> 34K exit/s. */
+    if (   pMsg->Header.ExecutionState.EferLma
+        && pMsg->Header.CsSegment.Long
+        && pMsg->Header.InterceptAccessType == HV_INTERCEPT_ACCESS_WRITE)
+    {
+        if (   pMsg->Header.Rip - (uint64_t)0xf65a < (uint64_t)(0xf662 - 0xf65a)
+            && pMsg->InstructionBytes[0] == 0x89
+            && pMsg->InstructionBytes[1] == 0x03)
+        {
+            pCtx->rip    = pMsg->Header.Rip + 2;
+            pCtx->fExtrn &= ~CPUMCTX_EXTRN_RIP;
+            AssertMsg(pMsg->Header.InstructionLength == 2, ("%#x\n", pMsg->Header.InstructionLength));
+            //Log(("%RX64 msg:\n%.80Rhxd\n", pCtx->rip, pMsg));
+            return VINF_SUCCESS;
+        }
+    }
+#endif
 
     /*
@@ -1318 +1337 @@
 # endif
 
+    if (pMsg->Reserved1)
+        Log(("MemExit/Reserved1=%#x\n", pMsg->Reserved1));
+    if (pMsg->Header.ExecutionState.Reserved0 || pMsg->Header.ExecutionState.Reserved1)
+        Log(("MemExit/Hdr/State: Reserved0=%#x Reserved1=%#x\n", pMsg->Header.ExecutionState.Reserved0, pMsg->Header.ExecutionState.Reserved1));
+    //if (pMsg->InstructionByteCount > 0)
+    //    Log4(("InstructionByteCount=%#x %.16Rhxs\n", pMsg->InstructionByteCount, pMsg->InstructionBytes));
+
     if (pMsg->InstructionByteCount > 0)
         rcStrict = IEMExecOneWithPrefetchedByPC(pVCpu, CPUMCTX2CORE(pCtx), pMsg->Header.Rip,
@@ -1346 +1372 @@
     Assert(   pMsg->Header.InterceptAccessType == HV_INTERCEPT_ACCESS_READ
            || pMsg->Header.InterceptAccessType == HV_INTERCEPT_ACCESS_WRITE);
+    AssertMsg(pMsg->Header.InstructionLength < 0x10, ("%#x\n", pMsg->Header.InstructionLength));
 
     /*