mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2026-08-11 00:22:10 +00:00
Code Activity

mul2dsp: declare $__mul and $__soft_mul so their ports have directions

Browse source
This commit is contained in:
Emil J. Tywoniak 2026-07-21 17:45:02 +02:00
parent 6c464a2191
commit 8db06bb819
1 changed files with 32 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

32
techlibs/common/mul2dsp.v
View file

@ -49,6 +49,38 @@ $fatal(1, "Macro DSP_NAME must be defined");
`define MAX(a,b) (a > b ? a : b)
`define MIN(a,b) (a < b ? a : b)
(* blackbox *)
module \$__mul (A, B, Y);
parameter A_SIGNED = 0;
parameter B_SIGNED = 0;
parameter A_WIDTH = 1;
parameter B_WIDTH = 1;
parameter Y_WIDTH = 1;
(* force_downto *)
input [A_WIDTH-1:0] A;
(* force_downto *)
input [B_WIDTH-1:0] B;
(* force_downto *)
output [Y_WIDTH-1:0] Y;
endmodule
(* blackbox *)
module \$__soft_mul (A, B, Y);
parameter A_SIGNED = 0;
parameter B_SIGNED = 0;
parameter A_WIDTH = 1;
parameter B_WIDTH = 1;
parameter Y_WIDTH = 1;
(* force_downto *)
input [A_WIDTH-1:0] A;
(* force_downto *)
input [B_WIDTH-1:0] B;
(* force_downto *)
output [Y_WIDTH-1:0] Y;
endmodule
(* techmap_celltype = "$mul $__mul" *)
module _80_mul (A, B, Y);
parameter A_SIGNED = 0;