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yosys/techlibs/fabulous/cells_map.v
gatecat e56dad56c4 fabulous: Add support for LUT6s
Signed-off-by: gatecat <gatecat@ds0.me>
2023-04-12 18:42:09 +02:00

35 lines
1 KiB
Verilog

module \$lut (A, Y);
parameter WIDTH = 0;
parameter LUT = 0;
input [WIDTH-1:0] A;
output Y;
generate
if (WIDTH == 1) begin
LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]));
end else
if (WIDTH == 2) begin
LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]));
end else
if (WIDTH == 3) begin
LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]), .I2(A[2]));
end else
if (WIDTH == 4) begin
LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]));
end else
if (WIDTH == 5) begin
LUT5 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]), .I4(A[4]));
end else
if (WIDTH == 6) begin
LUT6 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]), .I4(A[4]), .I5(A[5]));
end else begin
wire _TECHMAP_FAIL_ = 1;
end
endgenerate
endmodule
module \$_DFF_P_ (input D, C, output Q); LUTFF _TECHMAP_REPLACE_ (.D(D), .O(Q), .CLK(C)); endmodule