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ice40: add synth_ice40 -dff option, support with -abc9

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This commit is contained in:
Eddie Hung 2020-04-13 17:32:21 -07:00
parent 4a10c87ae1
commit fe7965e0ee
2 changed files with 41 additions and 8 deletions
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13
techlibs/ice40/cells_sim.v
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@ -245,6 +245,7 @@ endmodule
// Positive Edge SiliconBlue FF Cells
(* abc9_flop, lib_whitebox *)
module SB_DFF (
output `SB_DFF_REG,
input C, D
@ -280,6 +281,7 @@ module SB_DFF (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFE (
output `SB_DFF_REG,
input C, E, D
@ -322,6 +324,7 @@ module SB_DFFE (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFSR (
output `SB_DFF_REG,
input C, R, D
@ -419,6 +422,7 @@ module SB_DFFR (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFSS (
output `SB_DFF_REG,
input C, S, D
@ -516,6 +520,7 @@ module SB_DFFS (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFESR (
output `SB_DFF_REG,
input C, E, R, D
@ -627,6 +632,7 @@ module SB_DFFER (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFESS (
output `SB_DFF_REG,
input C, E, S, D
@ -740,6 +746,7 @@ endmodule
// Negative Edge SiliconBlue FF Cells
(* abc9_flop, lib_whitebox *)
module SB_DFFN (
output `SB_DFF_REG,
input C, D
@ -775,6 +782,7 @@ module SB_DFFN (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFNE (
output `SB_DFF_REG,
input C, E, D
@ -817,6 +825,7 @@ module SB_DFFNE (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFNSR (
output `SB_DFF_REG,
input C, R, D
@ -864,6 +873,7 @@ module SB_DFFNSR (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFNR (
output `SB_DFF_REG,
input C, R, D
@ -914,6 +924,7 @@ module SB_DFFNR (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFNSS (
output `SB_DFF_REG,
input C, S, D
@ -1011,6 +1022,7 @@ module SB_DFFNS (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFNESR (
output `SB_DFF_REG,
input C, E, R, D
@ -1122,6 +1134,7 @@ module SB_DFFNER (
`endif
endmodule
(* abc9_flop, lib_whitebox *)
module SB_DFFNESS (
output `SB_DFF_REG,
input C, E, S, D