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