Changeset 48130 in vbox for trunk/include/VBox/vmm

Timestamp:

Aug 28, 2013 5:14:38 PM (12 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

88510

Message:

VMM: Enable thread-context hooks. Reimplemented event injection logic for VT-x and AMD-V.

File:

• trunk/include/VBox/vmm/hm.h (modified) (1 diff)

trunk/include/VBox/vmm/hm.h

@@ -220 +220 @@
  * @{
  */
+/** Disables preemption if required. */
+# define HM_DISABLE_PREEMPT_IF_NEEDED() \
+   RTTHREADPREEMPTSTATE PreemptStateInternal = RTTHREADPREEMPTSTATE_INITIALIZER; \
+   bool fPreemptDisabledInternal = false; \
+   if (RTThreadPreemptIsEnabled(NIL_RTTHREAD)) \
+   { \
+       Assert(VMMR0ThreadCtxHooksAreRegistered(pVCpu)); \
+       RTThreadPreemptDisable(&PreemptStateInternal); \
+       fPreemptDisabledInternal = true; \
+   }
+
+/** Restores preemption if previously disabled by HM_DISABLE_PREEMPT(). */
+# define HM_RESTORE_PREEMPT_IF_NEEDED() \
+   do \
+   { \
+        if (fPreemptDisabledInternal) \
+            RTThreadPreemptRestore(&PreemptStateInternal); \
+   } while (0)
+
 VMMR0_INT_DECL(int)             HMR0SetupVM(PVM pVM);
 VMMR0_INT_DECL(int)             HMR0RunGuestCode(PVM pVM, PVMCPU pVCpu);