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-rw-r--r--techlibs/ecp5/cells_sim.v15
-rw-r--r--techlibs/ice40/cells_sim.v6
-rw-r--r--techlibs/xilinx/cells_sim.v24
-rw-r--r--techlibs/xilinx/synth_xilinx.cc28
4 files changed, 51 insertions, 22 deletions
diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v
index 2fcb0369e..dc8334acb 100644
--- a/techlibs/ecp5/cells_sim.v
+++ b/techlibs/ecp5/cells_sim.v
@@ -17,10 +17,12 @@ endmodule
// ---------------------------------------
(* abc_box_id=1, lib_whitebox *)
module CCU2C(
- (* abc_carry *) input CIN,
+ (* abc_carry *)
+ input CIN,
input A0, B0, C0, D0, A1, B1, C1, D1,
output S0, S1,
- (* abc_carry *) output COUT
+ (* abc_carry *)
+ output COUT
);
parameter [15:0] INIT0 = 16'h0000;
parameter [15:0] INIT1 = 16'h0000;
@@ -109,9 +111,12 @@ endmodule
// ---------------------------------------
//(* abc_box_id=2 *)
module TRELLIS_DPR16X4 (
- (* abc_scc_break *) input [3:0] DI,
- (* abc_scc_break *) input [3:0] WAD,
- (* abc_scc_break *) input WRE,
+ (* abc_scc_break *)
+ input [3:0] DI,
+ (* abc_scc_break *)
+ input [3:0] WAD,
+ (* abc_scc_break *)
+ input WRE,
input WCK,
input [3:0] RAD,
output [3:0] DO
diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v
index ab04808f4..c7f3bdad2 100644
--- a/techlibs/ice40/cells_sim.v
+++ b/techlibs/ice40/cells_sim.v
@@ -143,11 +143,13 @@ endmodule
(* abc_box_id = 1, lib_whitebox *)
module \$__ICE40_FULL_ADDER (
- (* abc_carry *) output CO,
+ (* abc_carry *)
+ output CO,
output O,
input A,
input B,
- (* abc_carry *) input CI
+ (* abc_carry *)
+ input CI
);
SB_CARRY carry (
.I0(A),
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v
index bec9ea1a0..3ad96d7fb 100644
--- a/techlibs/xilinx/cells_sim.v
+++ b/techlibs/xilinx/cells_sim.v
@@ -183,9 +183,11 @@ endmodule
(* abc_box_id = 4, lib_whitebox *)
module CARRY4(
- (* abc_carry *) output [3:0] CO,
+ (* abc_carry *)
+ output [3:0] CO,
output [3:0] O,
- (* abc_carry *) input CI,
+ (* abc_carry *)
+ input CI,
input CYINIT,
input [3:0] DI, S
);
@@ -298,9 +300,11 @@ endmodule
(* abc_box_id = 5 *)
module RAM32X1D (
output DPO, SPO,
- (* abc_scc_break *) input D,
+ (* abc_scc_break *)
+ input D,
input WCLK,
- (* abc_scc_break *) input WE,
+ (* abc_scc_break *)
+ input WE,
input A0, A1, A2, A3, A4,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
);
@@ -318,9 +322,11 @@ endmodule
(* abc_box_id = 6 *)
module RAM64X1D (
output DPO, SPO,
- (* abc_scc_break *) input D,
+ (* abc_scc_break *)
+ input D,
input WCLK,
- (* abc_scc_break *) input WE,
+ (* abc_scc_break *)
+ input WE,
input A0, A1, A2, A3, A4, A5,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
);
@@ -338,9 +344,11 @@ endmodule
(* abc_box_id = 7 *)
module RAM128X1D (
output DPO, SPO,
- (* abc_scc_break *) input D,
+ (* abc_scc_break *)
+ input D,
input WCLK,
- (* abc_scc_break *) input WE,
+ (* abc_scc_break *)
+ input WE,
input [6:0] A, DPRA
);
parameter INIT = 128'h0;
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 7ba67409b..8bf43bf97 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -352,9 +352,8 @@ struct SynthXilinxPass : public ScriptPass
if (!nosrl || help_mode) {
// shregmap operates on bit-level flops, not word-level,
// so break those down here
- run("simplemap t:$dff t:$dffe", " (skip if '-nosrl')");
- // shregmap with '-tech xilinx' infers variable length shift regs
- run("shregmap -tech xilinx -minlen 3", "(skip if '-nosrl')");
+ run("simplemap t:$dff t:$dffe", " (skip if '-nosrl')");
+ run("xilinx_srl -variable -minlen 3", "(skip if '-nosrl')");
}
std::string techmap_args = " -map +/techmap.v";
@@ -383,6 +382,14 @@ struct SynthXilinxPass : public ScriptPass
run("clean");
}
+ if (check_label("map_ffs")) {
+ if (abc9 || help_mode) {
+ run("techmap -map +/xilinx/ff_map.v", "('-abc9' only)");
+ run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT "
+ "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT", "('-abc9' only)");
+ }
+ }
+
if (check_label("map_luts")) {
run("opt_expr -mux_undef");
if (help_mode)
@@ -406,10 +413,17 @@ struct SynthXilinxPass : public ScriptPass
// This shregmap call infers fixed length shift registers after abc
// has performed any necessary retiming
if (!nosrl || help_mode)
- run("shregmap -minlen 3 -init -params -enpol any_or_none", "(skip if '-nosrl')");
- run("techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v -map +/xilinx/cells_map.v");
- run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT "
- "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT");
+ run("xilinx_srl -fixed -minlen 3", "(skip if '-nosrl')");
+
+ std::string techmap_args = "-map +/xilinx/lut_map.v -map +/xilinx/cells_map.v";
+ if (help_mode)
+ techmap_args += " [-map +/xilinx/ff_map.v]";
+ else if (!abc9)
+ techmap_args += " -map +/xilinx/ff_map.v";
+ run("techmap " + techmap_args);
+ if (!abc9)
+ run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT "
+ "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT", "(without '-abc9' only)");
run("clean");
}