mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-25 00:11:07 +00:00
26 lines
956 B
Diff
26 lines
956 B
Diff
|
diff --git a/src/pd.cpp b/src/pd.cpp
|
||
|
index 8160d73..be6fd41 100644
|
||
|
--- a/src/pd.cpp
|
||
|
+++ b/src/pd.cpp
|
||
|
@@ -167,6 +167,20 @@ void Pd::xlt_crd (Pd *pd, Crd xlt, Crd &crd)
|
||
|
if ((ro = clamp (node->node_base, rb, node->node_order, ro)) != ~0UL)
|
||
|
break;
|
||
|
|
||
|
+ if (!node) {
|
||
|
+ /* Special handling on Genode:
|
||
|
+ * If a translate of an item inside the same PD (receiver/sender in same PD)
|
||
|
+ * are of no success, then return the very same item.
|
||
|
+ */
|
||
|
+ Mdb *first = snd->tree_lookup (crd.base());
|
||
|
+ if (first && first->space == rcv && first == mdb) {
|
||
|
+ rb = xlt.base();
|
||
|
+ ro = xlt.order();
|
||
|
+ if ((ro = clamp (first->node_base, rb, first->node_order, ro)) != ~0UL)
|
||
|
+ node = first;
|
||
|
+ }
|
||
|
+ }
|
||
|
+
|
||
|
if (node) {
|
||
|
|
||
|
so = clamp (mdb->node_base, sb, mdb->node_order, so);
|