1 files changed, 40 insertions, 0 deletions
diff --git a/techlibs/xilinx/dsp_map.v b/techlibs/xilinx/dsp_map.v
new file mode 100644
index 000000000..4faa204aa
--- /dev/null
+++ b/techlibs/xilinx/dsp_map.v
@@ -0,0 +1,40 @@
+module \$__MUL25X18 (input [24:0] A, input [17:0] B, output [42:0] OUT);
+	wire [47:0] P_48;
+	DSP48E1 #(
+		// Disable all registers
+		.ACASCREG(0),
+		.ADREG(0),
+		.A_INPUT("DIRECT"),
+		.ALUMODEREG(0),
+		.AREG(0),
+		.BCASCREG(0),
+		.B_INPUT("DIRECT"),
+		.BREG(0),
+		.CARRYINREG(0),
+		.CARRYINSELREG(0),
+		.CREG(0),
+		.DREG(0),
+		.INMODEREG(0),
+		.MREG(0),
+		.OPMODEREG(0),
+		.PREG(0)
+	) _TECHMAP_REPLACE_ (
+		//Data path
+		.A({5'b0, A}),
+		.B(B),
+		.C(48'b0),
+		.D(24'b0),
+		.P(P_48),
+
+		.INMODE(4'b0000),
+		.ALUMODE(4'b0000),
+		.OPMODE(7'b000101),
+		.CARRYINSEL(3'b000),
+
+		.ACIN(30'b0),
+		.BCIN(18'b0),
+		.PCIN(48'b0),
+		.CARRYIN(1'b0)
+	);
+	assign OUT = P_48;
+endmodule