Changeset 8941 in vbox for trunk/src/VBox/VMM

Timestamp:

May 20, 2008 8:36:47 AM (17 years ago)

Author:

vboxsync

Message:

Intercept task switches as well. (they can change CR3)

File:

• trunk/src/VBox/VMM/VMMR0/HWSVMR0.cpp (modified) (2 diffs)

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

@@ -285 +285 @@
                                     | SVM_CTRL1_INTERCEPT_INVLPG
                                     | SVM_CTRL1_INTERCEPT_INVLPGA       /* AMD only */
+                                    | SVM_CTRL1_INTERCEPT_TASK_SWITCH
                                     | SVM_CTRL1_INTERCEPT_SHUTDOWN      /* fatal */
                                     | SVM_CTRL1_INTERCEPT_FERR_FREEZE;  /* Legacy FPU FERR handling. */
@@ -1574 +1575 @@
     case SVM_EXIT_MWAIT_ARMED:
     case SVM_EXIT_MSR:
+    case SVM_EXIT_TASK_SWITCH:  /* can change CR3; emulate */
         rc = VINF_EM_RAW_EXCEPTION_PRIVILEGED;
         break;