mirror of https://github.com/YosysHQ/yosys.git
179 lines
6.0 KiB
Verilog
179 lines
6.0 KiB
Verilog
`default_nettype none
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//All DFF* have INIT, but the hardware is always initialised to the reset
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//value regardless. The parameter is ignored.
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// DFFN D Flip-Flop with Negative-Edge Clock
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module \$_DFF_N_ (input D, C, output Q);
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DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFF D Flip-Flop
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module \$_DFF_P_ (input D, C, output Q);
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DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFE D Flip-Flop with Clock Enable
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module \$_DFFE_PP_ (input D, C, E, output Q);
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DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNE D Flip-Flop with Negative-Edge Clock and Clock Enable
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module \$_DFFE_NP_ (input D, C, E, output Q);
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DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFR D Flip-Flop with Synchronous Reset
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module \$_SDFF_PP0_ (input D, C, R, output Q);
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DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNR D Flip-Flop with Negative-Edge Clock and Synchronous Reset
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module \$_SDFF_NP0_ (input D, C, R, output Q);
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DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFRE D Flip-Flop with Clock Enable and Synchronous Reset
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module \$_SDFFE_PP0P_ (input D, C, R, E, output Q);
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DFFRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNRE D Flip-Flop with Negative-Edge Clock,Clock Enable, and Synchronous Reset
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module \$_SDFFE_NP0P_ (input D, C, R, E, output Q);
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DFFNRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFS D Flip-Flop with Synchronous Set
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module \$_SDFF_PP1_ (input D, C, R, output Q);
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DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNS D Flip-Flop with Negative-Edge Clock and Synchronous Set
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module \$_SDFF_NP1_ (input D, C, R, output Q);
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DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFSE D Flip-Flop with Clock Enable and Synchronous Set
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module \$_SDFFE_PP1P_ (input D, C, R, E, output Q);
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DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNSE D Flip-Flop with Negative-Edge Clock,Clock Enable,and Synchronous Set
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module \$_SDFFE_NP1P_ (input D, C, R, E, output Q);
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DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFP D Flip-Flop with Asynchronous Preset
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module \$_DFF_PP1_ (input D, C, R, output Q);
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DFFP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNP D Flip-Flop with Negative-Edge Clock and Asynchronous Preset
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module \$_DFF_NP1_ (input D, C, R, output Q);
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DFFNP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFC D Flip-Flop with Asynchronous Clear
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module \$_DFF_PP0_ (input D, C, R, output Q);
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DFFC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNC D Flip-Flop with Negative-Edge Clock and Asynchronous Clear
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module \$_DFF_NP0_ (input D, C, R, output Q);
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DFFNC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFPE D Flip-Flop with Clock Enable and Asynchronous Preset
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module \$_DFFE_PP1P_ (input D, C, R, E, output Q);
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DFFPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNPE D Flip-Flop with Negative-Edge Clock,Clock Enable, and Asynchronous Preset
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module \$_DFFE_NP1P_ (input D, C, R, E, output Q);
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DFFNPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFCE D Flip-Flop with Clock Enable and Asynchronous Clear
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module \$_DFFE_PP0P_ (input D, C, R, E, output Q);
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DFFCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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// DFFNCE D Flip-Flop with Negative-Edge Clock,Clock Enable and Asynchronous Clear
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module \$_DFFE_NP0P_ (input D, C, R, E, output Q);
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DFFNCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E));
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wire _TECHMAP_REMOVEINIT_Q_ = 1;
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endmodule
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module \$lut (A, Y);
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parameter WIDTH = 0;
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parameter LUT = 0;
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(* force_downto *)
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input [WIDTH-1:0] A;
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output Y;
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generate
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if (WIDTH == 1) begin
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LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
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.I0(A[0]));
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end else
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if (WIDTH == 2) begin
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LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
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.I0(A[0]), .I1(A[1]));
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end else
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if (WIDTH == 3) begin
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LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
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.I0(A[0]), .I1(A[1]), .I2(A[2]));
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end else
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if (WIDTH == 4) begin
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LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
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.I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]));
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end else
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if (WIDTH == 5) begin
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wire f0, f1;
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\$lut #(.LUT(LUT[15: 0]), .WIDTH(4)) lut0 (.A(A[3:0]), .Y(f0));
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\$lut #(.LUT(LUT[31:16]), .WIDTH(4)) lut1 (.A(A[3:0]), .Y(f1));
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MUX2_LUT5 mux5(.I0(f0), .I1(f1), .S0(A[4]), .O(Y));
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end else
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if (WIDTH == 6) begin
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wire f0, f1;
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\$lut #(.LUT(LUT[31: 0]), .WIDTH(5)) lut0 (.A(A[4:0]), .Y(f0));
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\$lut #(.LUT(LUT[63:32]), .WIDTH(5)) lut1 (.A(A[4:0]), .Y(f1));
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MUX2_LUT6 mux6(.I0(f0), .I1(f1), .S0(A[5]), .O(Y));
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end else
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if (WIDTH == 7) begin
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wire f0, f1;
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\$lut #(.LUT(LUT[63: 0]), .WIDTH(6)) lut0 (.A(A[5:0]), .Y(f0));
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\$lut #(.LUT(LUT[127:64]), .WIDTH(6)) lut1 (.A(A[5:0]), .Y(f1));
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MUX2_LUT7 mux7(.I0(f0), .I1(f1), .S0(A[6]), .O(Y));
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end else
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if (WIDTH == 8) begin
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wire f0, f1;
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\$lut #(.LUT(LUT[127: 0]), .WIDTH(7)) lut0 (.A(A[6:0]), .Y(f0));
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\$lut #(.LUT(LUT[255:128]), .WIDTH(7)) lut1 (.A(A[6:0]), .Y(f1));
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MUX2_LUT8 mux8(.I0(f0), .I1(f1), .S0(A[7]), .O(Y));
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end else begin
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wire _TECHMAP_FAIL_ = 1;
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end
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endgenerate
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endmodule
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