From e88bd34c02272ecdad6295123941d9040fa4f043 Mon Sep 17 00:00:00 2001 From: gatecat Date: Thu, 30 Dec 2021 13:18:34 +0000 Subject: Viaduct API for a hybrid between generic and full-custom arch Signed-off-by: gatecat --- generic/viaduct/example/example_prims.v | 35 +++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 generic/viaduct/example/example_prims.v (limited to 'generic/viaduct/example/example_prims.v') diff --git a/generic/viaduct/example/example_prims.v b/generic/viaduct/example/example_prims.v new file mode 100644 index 00000000..d2813129 --- /dev/null +++ b/generic/viaduct/example/example_prims.v @@ -0,0 +1,35 @@ +module LUT4 #( + parameter [15:0] INIT = 0 +) ( + input [3:0] I, + output F +); + wire [7:0] s3 = I[3] ? INIT[15:8] : INIT[7:0]; + wire [3:0] s2 = I[2] ? s3[ 7:4] : s3[3:0]; + wire [1:0] s1 = I[1] ? s2[ 3:2] : s2[1:0]; + assign F = I[0] ? s1[1] : s1[0]; +endmodule + +module DFF ( + input CLK, D, + output reg Q +); + initial Q = 1'b0; + always @(posedge CLK) + Q <= D; +endmodule + +module INBUF ( + input PAD, + output O, +); + assign O = PAD; +endmodule + +module OUTBUF ( + output PAD, + input I, +); + assign PAD = I; +endmodule + -- cgit v1.2.3