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-rw-r--r--kernel/rtlil.cc18
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 12aa35df..4c944c93 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -462,6 +462,24 @@ namespace {
return;
}
+ if (cell->type == "$slice") {
+ param("\\OFFSET");
+ port("\\A", param("\\A_WIDTH"));
+ port("\\Y", param("\\Y_WIDTH"));
+ if (param("\\OFFSET") + param("\\Y_WIDTH") > param("\\A_WIDTH"))
+ error(__LINE__);
+ check_expected();
+ return;
+ }
+
+ if (cell->type == "$concat") {
+ port("\\A", param("\\A_WIDTH"));
+ port("\\B", param("\\B_WIDTH"));
+ port("\\Y", param("\\A_WIDTH") + param("\\B_WIDTH"));
+ check_expected();
+ return;
+ }
+
if (cell->type == "$mux") {
port("\\A", param("\\WIDTH"));
port("\\B", param("\\WIDTH"));