Changeset 55118 in vbox for trunk/src/VBox/VMM/VMMR3/GIMKvm.cpp

Timestamp:

Apr 7, 2015 3:21:45 PM (10 years ago)

Author:

vboxsync

Message:

VMM: GIM raw-mode support.

File:

• trunk/src/VBox/VMM/VMMR3/GIMKvm.cpp (modified) (3 diffs)

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

@@ -30 +30 @@
 
 #include <VBox/vmm/cpum.h>
+#include <VBox/disopcode.h>
 #include <VBox/vmm/ssm.h>
 #include <VBox/vmm/vm.h>
@@ -141 +142 @@
     }
 
+    /*
+     * Setup #UD and hypercall behaviour.
+     */
+    VMMHypercallsEnable(pVM);
+    if (ASMIsAmdCpu())
+    {
+        pKvm->fTrapXcptUD   = true;
+        pKvm->uOpCodeNative = OP_VMMCALL;
+    }
+    else
+    {
+        Assert(ASMIsIntelCpu() || ASMIsViaCentaurCpu());
+        pKvm->fTrapXcptUD   = false;
+        pKvm->uOpCodeNative = OP_VMCALL;
+    }
+    /* We always need to trap VMCALL/VMMCALL hypercall using #UDs for raw-mode VMs. */
+    if (!HMIsEnabled(pVM))
+        pKvm->fTrapXcptUD = true;
+
     return VINF_SUCCESS;
 }
@@ -368 +388 @@
      * time = ((tsc * SysTime.u32TscScale) >> 32) + SysTime.u64NanoTS
      */
-    uint64_t u64TscFreq = TMCpuTicksPerSecond(pVM);
-    SystemTime.i8TscShift  = 0;
+    uint64_t u64TscFreq   = TMCpuTicksPerSecond(pVM);
+    SystemTime.i8TscShift = 0;
     while (u64TscFreq > 2 * RT_NS_1SEC_64)
     {