Changeset 4411 in vbox for trunk/src/VBox/VMM

Timestamp:

Aug 29, 2007 8:06:27 AM (17 years ago)

Author:

vboxsync

Message:

Disabled string io operations for ring 0 (hangs/crashes host). Debug later; not used now anyway.

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IOMAllMMIO.cpp (modified) (2 diffs)
• VMMR0/HWSVMR0.cpp (modified) (2 diffs)
• VMMR0/HWVMXR0.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IOMAllMMIO.cpp

@@ -1587 +1587 @@
 
 
+#ifndef IN_RING0 /** @todo broken in ring 0 */
 /**
  * [REP*] INSB/INSW/INSD
@@ -1903 +1904 @@
 }
 
+#endif /* IN_RING0 */

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

@@ -1224 +1224 @@
         if (IoExitInfo.n.u1STR)
         {
+#if 1
+            rc = (IoExitInfo.n.u1Type == 0) ? VINF_IOM_HC_IOPORT_WRITE : VINF_IOM_HC_IOPORT_READ;
+            break;
+#else /** @todo broken code path (hangs/crashes host) */
             /* ins/outs */
             uint32_t prefix = 0;
@@ -1241 +1245 @@
                 rc = IOMInterpretINSEx(pVM, CPUMCTX2CORE(pCtx), IoExitInfo.n.u16Port, prefix, uIOSize);
             }
+#endif
         }
         else

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

@@ -1700 +1700 @@
         if (VMX_EXIT_QUALIFICATION_IO_STRING(exitQualification))
         {
+#if 1
+            rc = fIOWrite ? VINF_IOM_HC_IOPORT_WRITE : VINF_IOM_HC_IOPORT_READ;
+            break;
+#else /** @todo broken code path (hangs/crashes host) */
             /* ins/outs */
             uint32_t prefix = 0;
@@ -1717 +1721 @@
                 rc = IOMInterpretINSEx(pVM, CPUMCTX2CORE(pCtx), uPort, prefix, cbSize);
             }
+#endif
         }
         else