PGMAll.cpp

Timestamp:

Nov 11, 2008 11:37:04 PM (16 years ago)

Author:

vboxsync

Message:

#1865: Some structures and external API for the ring-0 dynamic mapping cache (Darwin only). Some of these APIs will be / are shared with RC.

File:

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

-              r14038
+              r14114
+# ifdef IN_RC
 /**
  * Temporarily maps one host page specified by HC physical address.
 …
+{
     AssertMsg(!(HCPhys & PAGE_OFFSET_MASK), ("HCPhys=%RHp\n", HCPhys));
-# ifdef IN_RC
     /*
 …
     Log4(("PGMGCDynMapHCPage: HCPhys=%RHp pv=%p iPage=%d\n", HCPhys, pv, iPage));
     return VINF_SUCCESS;
+#else  /* VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0 */
+    /** @todo @bugref{3202}: Implement ring-0 mapping cache similar to the one in
+     *        RC. To begin with, a simple but expensive one based on
+     *        RTR0MemObjEnterPhys can be used to get things started. Later a
+     *        global cache with mappings per CPU (to avoid shootdown) should be
+     *        employed. */
+    AssertFailed();
+    return VERR_NOT_IMPLEMENTED;
+#endif /* VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0 */
+}
+}
+# endif /* IN_RC */

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