Changeset 4420 in vbox

Timestamp:

Aug 29, 2007 11:05:39 AM (17 years ago)

Author:

vboxsync

Message:

Force recompiler emulation of string io operations to work around host hangs/crashes.

Location:

trunk/src/VBox/VMM/VMMR0

Files:

• HWSVMR0.cpp (modified) (1 diff)
• HWVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HWSVMR0.cpp

@@ -1225 +1225 @@
         {
 #if 1
-            rc = (IoExitInfo.n.u1Type == 0) ? VINF_IOM_HC_IOPORT_WRITE : VINF_IOM_HC_IOPORT_READ;
+            /** @todo the ring 3 emulation somehow causes the host to hang during e.g. nt4 installation; fall back to the recompiler */
+            rc = VINF_EM_RAW_EMULATE_INSTR;
             break;
-#else /** @todo broken code path (hangs/crashes host) */
+#else
             /* ins/outs */
             uint32_t prefix = 0;

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

@@ -1701 +1701 @@
         {
 #if 1
-            rc = fIOWrite ? VINF_IOM_HC_IOPORT_WRITE : VINF_IOM_HC_IOPORT_READ;
+            /** @todo the ring 3 emulation somehow causes the host to hang during e.g. nt4 installation; fall back to the recompiler */
+            rc = VINF_EM_RAW_EMULATE_INSTR;
             break;
-#else /** @todo broken code path (hangs/crashes host) */
+#else 
             /* ins/outs */
             uint32_t prefix = 0;