Changeset 12687 in vbox for trunk/src/VBox/VMM/VMMAll/PDMAll.cpp

Timestamp:

Sep 24, 2008 2:07:47 PM (17 years ago)

Author:

vboxsync

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

36992

Message:

Started with VMM device heap for use with VT-x real-mode emulation. (v86 tss)

File:

• trunk/src/VBox/VMM/VMMAll/PDMAll.cpp (modified) (1 diff)

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

@@ -303 +303 @@
 }
 
+
+/**
+ * Converts ring 3 VMM heap pointer to a guest physical address
+ *
+ * @returns VBox status code.
+ * @param   pVM             VM handle.
+ * @param   pv              Ring-3 pointer.
+ * @param   pGCPhys         GC phys address (out).
+ */
+PDMDECL(int) PDMVMMDevHeapR3ToGCPhys(PVM pVM, RTR3PTR pv, RTGCPHYS *pGCPhys)
+{
+    AssertReturn(pv >= pVM->pdm.s.pvVMMDevHeap && (RTR3UINTPTR)pv < (RTR3UINTPTR)pVM->pdm.s.pvVMMDevHeap + pVM->pdm.s.cbVMMDevHeap, VERR_INVALID_PARAMETER);
+
+    *pGCPhys = (pVM->pdm.s.GCPhysVMMDevHeap + ((RTR3UINTPTR)pv - (RTR3UINTPTR)pVM->pdm.s.pvVMMDevHeap));
+    return VINF_SUCCESS;
+}