Changeset 49755 in vbox for trunk/include/VBox

Timestamp:

Dec 3, 2013 2:09:51 PM (11 years ago)

Author:

vboxsync

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

91060

Message:

VMM/HMVMXR0: Safer assumptions while updating guest-state on fully preemptible kernels.

File:

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

trunk/include/VBox/vmm/hm_vmx.h

@@ -53 +53 @@
  * @{
  */
+
+/** @def HMVMXCPU_GST_SET_UPDATED
+ * Sets a guest-state-updated flag.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ * @param   fFlag   The flag to set.
+ */
+#define HMVMXCPU_GST_SET_UPDATED(pVCpu, fFlag)        (ASMAtomicUoOrU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState, (fFlag)))
+
+/** @def HMVMXCPU_GST_IS_SET
+ * Checks if all the flags in the specified guest-state-updated set is pending.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ * @param   fFlag   The flag to check.
+ */
+#define HMVMXCPU_GST_IS_SET(pVCpu, fFlag)             ((ASMAtomicUoReadU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState) & (fFlag)) == (fFlag))
+
+/** @def HMVMXCPU_GST_IS_UPDATED
+ * Checks if one or more of the flags in the specified guest-state-updated set
+ * is updated.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ * @param   fFlags  The flags to check for.
+ */
+#define HMVMXCPU_GST_IS_UPDATED(pVCpu, fFlags)        RT_BOOL(ASMAtomicUoReadU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState) & (fFlags))
+
+/** @def HMVMXCPU_GST_RESET_TO
+ * Resets the guest-state-updated flags to the specified value.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ * @param   fFlags  The new value.
+ */
+#define HMVMXCPU_GST_RESET_TO(pVCpu, fFlags)          (ASMAtomicUoWriteU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState, (fFlags)))
+
+/** @def HMVMXCPU_GST_VALUE
+ * Returns the current guest-state-updated flags value.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ */
+#define HMVMXCPU_GST_VALUE(pVCpu)                     (ASMAtomicUoReadU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState))
 
 /** @name Host-state restoration flags.