Changeset 64327 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Oct 19, 2016 5:42:18 PM (9 years ago)

Author:

vboxsync

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

111406

Message:

PGM: Allow pre-registered MMIO regions up to 1TB in size by using multiple registration chunks (just like we do for RAM). The limits are now defined in VBox/param.h instead of being hardcoded in the sources.

File:

• trunk/src/VBox/VMM/VMMAll/PGMAllHandler.cpp (modified) (2 diffs)

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

@@ -124 +124 @@
 
 /**
- * Creates an physical access handler.
+ * Creates a physical access handler.
  *
  * @returns VBox status code.
@@ -194 +194 @@
 
 /**
- * Register a access handler for a physical range.
+ * Duplicates a physical access handler.
  *
  * @returns VBox status code.
  * @retval  VINF_SUCCESS when successfully installed.
- * @retval  VINF_PGM_GCPHYS_ALIASED when the shadow PTs could be updated because
- *          the guest page aliased or/and mapped by multiple PTs. A CR3 sync has been
- *          flagged together with a pool clearing.
- * @retval  VERR_PGM_HANDLER_PHYSICAL_CONFLICT if the range conflicts with an existing
- *          one. A debug assertion is raised.
+ *
+ * @param   pVM             The cross context VM structure.
+ * @param   pPhysHandlerSrc The source handler to duplicate
+ * @param   ppPhysHandler   Where to return the access handler structure on
+ *                          success.
+ */
+int pgmHandlerPhysicalExDup(PVM pVM, PPGMPHYSHANDLER pPhysHandlerSrc, PPGMPHYSHANDLER *ppPhysHandler)
+{
+    return pgmHandlerPhysicalExCreate(pVM,
+                                      pPhysHandlerSrc->hType,
+                                      pPhysHandlerSrc->pvUserR3,
+                                      pPhysHandlerSrc->pvUserR0,
+                                      pPhysHandlerSrc->pvUserRC,
+                                      pPhysHandlerSrc->pszDesc,
+                                      ppPhysHandler);
+}
+
+
+/**
+ * Register a access handler for a physical range.
+ *
+ * @returns VBox status code.
+ * @retval  VINF_SUCCESS when successfully installed.
  *
  * @param   pVM             The cross context VM structure.