mirror of https://github.com/YosysHQ/yosys.git
12 lines
495 B
Plaintext
12 lines
495 B
Plaintext
read_verilog dffs.v
|
|
proc
|
|
flatten
|
|
dff2dffe
|
|
hierarchy -top top
|
|
synth -flatten -run coarse # technology-independent coarse grained synthesis
|
|
equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check same as technology-dependent fine-grained synthesis
|
|
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
|
|
cd top # Constrain all select calls below inside the top module
|
|
select -assert-count 1 t:SB_DFF
|
|
select -assert-none t:SB_DFF %% t:* %D
|