From b33ecd2a746b734fda33d8535afecf76bd35f59c Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 10 Jul 2019 16:00:03 -0700
Subject: [PATCH] Move dsp_map.v into cells_map.v; cleanup synth_xilinx a
 little

---
 techlibs/xilinx/Makefile.inc    |  1 -
 techlibs/xilinx/cells_map.v     | 41 +++++++++++++++++++++++++++++++++
 techlibs/xilinx/dsp_map.v       | 40 --------------------------------
 techlibs/xilinx/synth_xilinx.cc |  5 +---
 4 files changed, 42 insertions(+), 45 deletions(-)
 delete mode 100644 techlibs/xilinx/dsp_map.v

diff --git a/techlibs/xilinx/Makefile.inc b/techlibs/xilinx/Makefile.inc
index c41015e94..17c5df37d 100644
--- a/techlibs/xilinx/Makefile.inc
+++ b/techlibs/xilinx/Makefile.inc
@@ -31,7 +31,6 @@ $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/arith_map.v))
 $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/ff_map.v))
 $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lut_map.v))
 $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/mux_map.v))
-$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/dsp_map.v))
 
 $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_xc7.box))
 $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/abc_xc7.lut))
diff --git a/techlibs/xilinx/cells_map.v b/techlibs/xilinx/cells_map.v
index 2eb9fa2c1..6ebca0d54 100644
--- a/techlibs/xilinx/cells_map.v
+++ b/techlibs/xilinx/cells_map.v
@@ -365,3 +365,44 @@ module \$__XILINX_MUXF78 (O, I0, I1, I2, I3, S0, S1);
     MUXF8 mux8 (.I0(T0), .I1(T1), .S(S1), .O(O));
 endmodule
 `endif
+
+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
diff --git a/techlibs/xilinx/dsp_map.v b/techlibs/xilinx/dsp_map.v
deleted file mode 100644
index 4faa204aa..000000000
--- a/techlibs/xilinx/dsp_map.v
+++ /dev/null
@@ -1,40 +0,0 @@
-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
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 3da35db75..9199fbb53 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -279,11 +279,8 @@ struct SynthXilinxPass : public ScriptPass
 
 			run("techmap -map +/cmp2lut.v -D LUT_WIDTH=6");
 
-			if (!nodsp || help_mode) {
+			if (!nodsp || help_mode)
 				run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=25 -D DSP_B_MAXWIDTH=18 -D DSP_NAME=$__MUL25X18");
-				run("clean");
-				run("techmap -map +/xilinx/dsp_map.v");
-			}
 
 			run("alumacc");
 			run("share");
-- 
2.30.2