Add $specrule cells for $setup/$hold/$skew specify rules

Signed-off-by: Clifford Wolf <clifford@clifford.at>

1 files changed, 28 insertions, 0 deletions

diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v
index f9e45df67..facecd9a4 100644
--- a/techlibs/common/simlib.v
+++ b/techlibs/common/simlib.v
@@ -1417,6 +1417,34 @@ endmodule
 
 // --------------------------------------------------------
 
+module \$specrule (EN_SRC, EN_DST, SRC, DST);
+
+parameter SRC_WIDTH = 1;
+parameter DST_WIDTH = 1;
+
+parameter SRC_PEN = 0;
+parameter SRC_POL = 0;
+
+parameter DST_PEN = 0;
+parameter DST_POL = 0;
+
+parameter LIMIT_GT = 0;
+parameter T_LIMIT = 0;
+
+input EN_SRC, EN_DST;
+input [SRC_WIDTH-1:0] SRC;
+input [DST_WIDTH-1:0] DST;
+
+`ifdef SIMLIB_SPECIFY
+specify
+	// TBD
+endspecify
+`endif
+
+endmodule
+
+// --------------------------------------------------------
+
 module \$assert (A, EN);
 
 input A, EN;