diff options
Diffstat (limited to 'techlibs')
-rw-r--r-- | techlibs/common/simlib.v | 44 | ||||
-rw-r--r-- | techlibs/common/synth.cc | 2 | ||||
-rw-r--r-- | techlibs/coolrunner2/coolrunner2_sop.cc | 22 | ||||
-rw-r--r-- | techlibs/ecp5/cells_sim.v | 22 | ||||
-rw-r--r-- | techlibs/ice40/cells_map.v | 2 | ||||
-rw-r--r-- | techlibs/ice40/cells_sim.v | 10 | ||||
-rw-r--r-- | techlibs/ice40/ice40_braminit.cc | 6 | ||||
-rw-r--r-- | techlibs/ice40/ice40_opt.cc | 2 | ||||
-rw-r--r-- | techlibs/ice40/synth_ice40.cc | 2 | ||||
-rw-r--r-- | techlibs/intel/Makefile.inc | 20 | ||||
-rw-r--r-- | techlibs/xilinx/Makefile.inc | 4 | ||||
-rw-r--r-- | techlibs/xilinx/cells_sim.v | 28 | ||||
-rw-r--r-- | techlibs/xilinx/lutrams.txt (renamed from techlibs/xilinx/drams.txt) | 0 | ||||
-rw-r--r-- | techlibs/xilinx/lutrams_map.v (renamed from techlibs/xilinx/drams_map.v) | 0 | ||||
-rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 33 |
15 files changed, 117 insertions, 80 deletions
diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v index a424d3089..7845a3fed 100644 --- a/techlibs/common/simlib.v +++ b/techlibs/common/simlib.v @@ -532,14 +532,26 @@ endmodule // -------------------------------------------------------- +// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| +//- +//- $lcu (P, G, CI, CO) +//- +//- Lookahead carry unit +//- A building block dedicated to fast computation of carry-bits used in binary +//- arithmetic operations. By replacing the ripple carry structure used in full-adder +//- blocks, the more significant bits of the sum can be expected to be computed more +//- quickly. +//- Typically created during `techmap` of $alu cells (see the "_90_alu" rule in +//- +/techmap.v). module \$lcu (P, G, CI, CO); parameter WIDTH = 1; -input [WIDTH-1:0] P, G; -input CI; +input [WIDTH-1:0] P; // Propagate +input [WIDTH-1:0] G; // Generate +input CI; // Carry-in -output reg [WIDTH-1:0] CO; +output reg [WIDTH-1:0] CO; // Carry-out integer i; always @* begin @@ -555,6 +567,17 @@ endmodule // -------------------------------------------------------- +// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| +//- +//- $alu (A, B, CI, BI, X, Y, CO) +//- +//- Arithmetic logic unit. +//- A building block supporting both binary addition/subtraction operations, and +//- indirectly, comparison operations. +//- Typically created by the `alumacc` pass, which transforms: +//- $add, $sub, $lt, $le, $ge, $gt, $eq, $eqx, $ne, $nex +//- cells into this $alu cell. +//- module \$alu (A, B, CI, BI, X, Y, CO); parameter A_SIGNED = 0; @@ -563,12 +586,16 @@ parameter A_WIDTH = 1; parameter B_WIDTH = 1; parameter Y_WIDTH = 1; -input [A_WIDTH-1:0] A; -input [B_WIDTH-1:0] B; -output [Y_WIDTH-1:0] X, Y; +input [A_WIDTH-1:0] A; // Input operand +input [B_WIDTH-1:0] B; // Input operand +output [Y_WIDTH-1:0] X; // A xor B (sign-extended, optional B inversion, + // used in combination with + // reduction-AND for $eq/$ne ops) +output [Y_WIDTH-1:0] Y; // Sum -input CI, BI; -output [Y_WIDTH-1:0] CO; +input CI; // Carry-in (set for $sub) +input BI; // Invert-B (set for $sub) +output [Y_WIDTH-1:0] CO; // Carry-out wire [Y_WIDTH-1:0] AA, BB; @@ -584,6 +611,7 @@ endgenerate wire y_co_undef = ^{A, A, B, B, CI, CI, BI, BI}; assign X = AA ^ BB; +// Full adder assign Y = (AA + BB + CI) ^ {Y_WIDTH{y_co_undef}}; function get_carry; diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc index 555de9fba..a176357a7 100644 --- a/techlibs/common/synth.cc +++ b/techlibs/common/synth.cc @@ -175,7 +175,7 @@ struct SynthPass : public ScriptPass log_cmd_error("This command only operates on fully selected designs!\n"); if (abc == "abc9" && !lut) - log_cmd_error("ABC9 flow only supported for FPGA synthesis (using '-lut' option)"); + log_cmd_error("ABC9 flow only supported for FPGA synthesis (using '-lut' option)\n"); log_header(design, "Executing SYNTH pass.\n"); log_push(); diff --git a/techlibs/coolrunner2/coolrunner2_sop.cc b/techlibs/coolrunner2/coolrunner2_sop.cc index 48da0d8ad..de0cbb29d 100644 --- a/techlibs/coolrunner2/coolrunner2_sop.cc +++ b/techlibs/coolrunner2/coolrunner2_sop.cc @@ -60,10 +60,8 @@ struct Coolrunner2SopPass : public Pass { dict<SigBit, pool<tuple<Cell*, std::string>>> special_pterms_inv; for (auto cell : module->selected_cells()) { - if (cell->type == "\\FDCP" || cell->type == "\\FDCP_N" || cell->type == "\\FDDCP" || - cell->type == "\\FTCP" || cell->type == "\\FTCP_N" || cell->type == "\\FTDCP" || - cell->type == "\\FDCPE" || cell->type == "\\FDCPE_N" || cell->type == "\\FDDCPE" || - cell->type == "\\LDCP" || cell->type == "\\LDCP_N") + if (cell->type.in("\\FDCP", "\\FDCP_N", "\\FDDCP", "\\FTCP", "\\FTCP_N", "\\FTDCP", + "\\FDCPE", "\\FDCPE_N", "\\FDDCPE", "\\LDCP", "\\LDCP_N")) { if (cell->hasPort("\\PRE")) special_pterms_no_inv[sigmap(cell->getPort("\\PRE")[0])].insert( @@ -257,10 +255,8 @@ struct Coolrunner2SopPass : public Pass { pool<SigBit> sig_fed_by_ff; for (auto cell : module->selected_cells()) { - if (cell->type == "\\FDCP" || cell->type == "\\FDCP_N" || cell->type == "\\FDDCP" || - cell->type == "\\LDCP" || cell->type == "\\LDCP_N" || - cell->type == "\\FTCP" || cell->type == "\\FTCP_N" || cell->type == "\\FTDCP" || - cell->type == "\\FDCPE" || cell->type == "\\FDCPE_N" || cell->type == "\\FDDCPE") + if (cell->type.in("\\FDCP", "\\FDCP_N", "\\FDDCP", "\\LDCP", "\\LDCP_N", + "\\FTCP", "\\FTCP_N", "\\FTDCP", "\\FDCPE", "\\FDCPE_N", "\\FDDCPE")) { auto output = sigmap(cell->getPort("\\Q")[0]); sig_fed_by_ff.insert(output); @@ -270,13 +266,11 @@ struct Coolrunner2SopPass : public Pass { // Look at all the FF inputs for (auto cell : module->selected_cells()) { - if (cell->type == "\\FDCP" || cell->type == "\\FDCP_N" || cell->type == "\\FDDCP" || - cell->type == "\\LDCP" || cell->type == "\\LDCP_N" || - cell->type == "\\FTCP" || cell->type == "\\FTCP_N" || cell->type == "\\FTDCP" || - cell->type == "\\FDCPE" || cell->type == "\\FDCPE_N" || cell->type == "\\FDDCPE") + if (cell->type.in("\\FDCP", "\\FDCP_N", "\\FDDCP", "\\LDCP", "\\LDCP_N", + "\\FTCP", "\\FTCP_N", "\\FTDCP", "\\FDCPE", "\\FDCPE_N", "\\FDDCPE")) { SigBit input; - if (cell->type == "\\FTCP" || cell->type == "\\FTCP_N" || cell->type == "\\FTDCP") + if (cell->type.in("\\FTCP", "\\FTCP_N", "\\FTDCP")) input = sigmap(cell->getPort("\\T")[0]); else input = sigmap(cell->getPort("\\D")[0]); @@ -300,7 +294,7 @@ struct Coolrunner2SopPass : public Pass { xor_cell->setPort("\\IN_PTC", and_to_xor_wire); xor_cell->setPort("\\OUT", xor_to_ff_wire); - if (cell->type == "\\FTCP" || cell->type == "\\FTCP_N" || cell->type == "\\FTDCP") + if (cell->type.in("\\FTCP", "\\FTCP_N", "\\FTDCP")) cell->setPort("\\T", xor_to_ff_wire); else cell->setPort("\\D", xor_to_ff_wire); diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index 3d343b315..2fcb0369e 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -15,10 +15,13 @@ module L6MUX21 (input D0, D1, SD, output Z); endmodule // --------------------------------------- -(* abc_box_id=1, abc_carry="CIN,COUT", lib_whitebox *) -module CCU2C(input CIN, A0, B0, C0, D0, A1, B1, C1, D1, - output S0, S1, COUT); - +(* abc_box_id=1, lib_whitebox *) +module CCU2C( + (* abc_carry *) input CIN, + input A0, B0, C0, D0, A1, B1, C1, D1, + output S0, S1, + (* abc_carry *) output COUT +); parameter [15:0] INIT0 = 16'h0000; parameter [15:0] INIT1 = 16'h0000; parameter INJECT1_0 = "YES"; @@ -104,12 +107,13 @@ module PFUMX (input ALUT, BLUT, C0, output Z); endmodule // --------------------------------------- -//(* abc_box_id=2, abc_scc_break="DI,WAD,WRE" *) +//(* abc_box_id=2 *) module TRELLIS_DPR16X4 ( - input [3:0] DI, - input [3:0] WAD, - input WRE, WCK, - input [3:0] RAD, + (* 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 ); parameter WCKMUX = "WCK"; diff --git a/techlibs/ice40/cells_map.v b/techlibs/ice40/cells_map.v index 0c10c9ac4..662423f0a 100644 --- a/techlibs/ice40/cells_map.v +++ b/techlibs/ice40/cells_map.v @@ -75,7 +75,7 @@ module \$__ICE40_CARRY_WRAPPER (output CO, O, input A, B, CI, I0, I3); .WIDTH(4), .LUT(LUT) ) lut ( - .A({I3,B,A,I0}), + .A({I0,A,B,I3}), .Y(O) ); endmodule diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index 2205be27d..ab04808f4 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -141,8 +141,14 @@ module SB_CARRY (output CO, input I0, I1, CI); assign CO = (I0 && I1) || ((I0 || I1) && CI); endmodule -(* abc_box_id = 1, abc_carry="CI,CO", lib_whitebox *) -module \$__ICE40_FULL_ADDER (output CO, O, input A, B, CI); +(* abc_box_id = 1, lib_whitebox *) +module \$__ICE40_FULL_ADDER ( + (* abc_carry *) output CO, + output O, + input A, + input B, + (* abc_carry *) input CI +); SB_CARRY carry ( .I0(A), .I1(B), diff --git a/techlibs/ice40/ice40_braminit.cc b/techlibs/ice40/ice40_braminit.cc index 4fa6b0792..1a139ffea 100644 --- a/techlibs/ice40/ice40_braminit.cc +++ b/techlibs/ice40/ice40_braminit.cc @@ -69,13 +69,13 @@ static void run_ice40_braminit(Module *module) for (int i = 0; i < GetSize(line); i++) { - if (in_comment && line.substr(i, 2) == "*/") { + if (in_comment && line.compare(i, 2, "*/") == 0) { line[i] = ' '; line[i+1] = ' '; in_comment = false; continue; } - if (!in_comment && line.substr(i, 2) == "/*") + if (!in_comment && line.compare(i, 2, "/*") == 0) in_comment = true; if (in_comment) line[i] = ' '; @@ -87,7 +87,7 @@ static void run_ice40_braminit(Module *module) long value; token = next_token(line, " \t\r\n"); - if (token.empty() || token.substr(0, 2) == "//") + if (token.empty() || token.compare(0, 2, "//") == 0) break; if (token[0] == '@') { diff --git a/techlibs/ice40/ice40_opt.cc b/techlibs/ice40/ice40_opt.cc index e492454fb..d5106b805 100644 --- a/techlibs/ice40/ice40_opt.cc +++ b/techlibs/ice40/ice40_opt.cc @@ -117,7 +117,7 @@ static void run_ice40_opts(Module *module) log("Optimized $__ICE40_FULL_ADDER cell back to logic (without SB_CARRY) %s.%s: CO=%s\n", log_id(module), log_id(cell), log_signal(replacement_output)); cell->type = "$lut"; - cell->setPort("\\A", { RTLIL::S0, inbit[0], inbit[1], inbit[2] }); + cell->setPort("\\A", { State::S0, inbit[0], inbit[1], inbit[2] }); cell->setPort("\\Y", cell->getPort("\\O")); cell->unsetPort("\\B"); cell->unsetPort("\\CI"); diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 8f4a0f377..c6de81bd9 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -183,7 +183,7 @@ struct SynthIce40Pass : public ScriptPass continue; } if (args[argidx] == "-dffe_min_ce_use" && argidx+1 < args.size()) { - min_ce_use = std::stoi(args[++argidx]); + min_ce_use = atoi(args[++argidx].c_str()); continue; } if (args[argidx] == "-nobram") { diff --git a/techlibs/intel/Makefile.inc b/techlibs/intel/Makefile.inc index 7a3d2c71a..4e8f423c8 100644 --- a/techlibs/intel/Makefile.inc +++ b/techlibs/intel/Makefile.inc @@ -5,20 +5,10 @@ $(eval $(call add_share_file,share/intel/common,techlibs/intel/common/m9k_bb.v)) $(eval $(call add_share_file,share/intel/common,techlibs/intel/common/altpll_bb.v)) $(eval $(call add_share_file,share/intel/common,techlibs/intel/common/brams_m9k.txt)) $(eval $(call add_share_file,share/intel/common,techlibs/intel/common/brams_map_m9k.v)) -$(eval $(call add_share_file,share/intel/max10,techlibs/intel/max10/cells_sim.v)) -$(eval $(call add_share_file,share/intel/a10gx,techlibs/intel/a10gx/cells_sim.v)) -$(eval $(call add_share_file,share/intel/cyclonev,techlibs/intel/cyclonev/cells_sim.v)) -$(eval $(call add_share_file,share/intel/cyclone10,techlibs/intel/cyclone10/cells_sim.v)) -$(eval $(call add_share_file,share/intel/cycloneiv,techlibs/intel/cycloneiv/cells_sim.v)) -$(eval $(call add_share_file,share/intel/cycloneive,techlibs/intel/cycloneive/cells_sim.v)) -$(eval $(call add_share_file,share/intel/max10,techlibs/intel/max10/cells_map.v)) -$(eval $(call add_share_file,share/intel/a10gx,techlibs/intel/a10gx/cells_map.v)) -$(eval $(call add_share_file,share/intel/cyclonev,techlibs/intel/cyclonev/cells_map.v)) -$(eval $(call add_share_file,share/intel/cyclone10,techlibs/intel/cyclone10/cells_map.v)) -$(eval $(call add_share_file,share/intel/cycloneiv,techlibs/intel/cycloneiv/cells_map.v)) -$(eval $(call add_share_file,share/intel/cycloneive,techlibs/intel/cycloneive/cells_map.v)) -#$(eval $(call add_share_file,share/intel/max10,techlibs/intel/max10/arith_map.v)) -#$(eval $(call add_share_file,share/intel/a10gx,techlibs/intel/a10gx/arith_map.v)) -#$(eval $(call add_share_file,share/intel/cycloneiv,techlibs/intel/cycloneiv/arith_map.v)) + +# Add the cell models and mappings for the VQM backend +families := max10 a10gx cyclonev cyclone10 cycloneiv cycloneive +$(foreach family,$(families), $(eval $(call add_share_file,share/intel/$(family),techlibs/intel/$(family)/cells_sim.v))) +$(foreach family,$(families), $(eval $(call add_share_file,share/intel/$(family),techlibs/intel/$(family)/cells_map.v))) #$(eval $(call add_share_file,share/intel/cycloneive,techlibs/intel/cycloneive/arith_map.v)) diff --git a/techlibs/xilinx/Makefile.inc b/techlibs/xilinx/Makefile.inc index 2c6e7432e..2b1af289c 100644 --- a/techlibs/xilinx/Makefile.inc +++ b/techlibs/xilinx/Makefile.inc @@ -32,8 +32,8 @@ $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc6s_brams_bb.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc7_brams.txt)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc7_brams_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc7_brams_bb.v)) -$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/drams.txt)) -$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/drams_map.v)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lutrams.txt)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lutrams_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/arith_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/ff_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lut_map.v)) diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 05e46b4e7..bec9ea1a0 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -181,8 +181,14 @@ module XORCY(output O, input CI, LI); assign O = CI ^ LI; endmodule -(* abc_box_id = 4, abc_carry="CI,CO", lib_whitebox *) -module CARRY4(output [3:0] CO, O, input CI, CYINIT, input [3:0] DI, S); +(* abc_box_id = 4, lib_whitebox *) +module CARRY4( + (* abc_carry *) output [3:0] CO, + output [3:0] O, + (* abc_carry *) input CI, + input CYINIT, + input [3:0] DI, S +); assign O = S ^ {CO[2:0], CI | CYINIT}; assign CO[0] = S[0] ? CI | CYINIT : DI[0]; assign CO[1] = S[1] ? CO[0] : DI[1]; @@ -289,10 +295,12 @@ module FDPE_1 (output reg Q, input C, CE, D, PRE); always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; endmodule -(* abc_box_id = 5, abc_scc_break="D,WE" *) +(* abc_box_id = 5 *) module RAM32X1D ( output DPO, SPO, - input D, WCLK, WE, + (* abc_scc_break *) input D, + input WCLK, + (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 ); @@ -307,10 +315,12 @@ module RAM32X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule -(* abc_box_id = 6, abc_scc_break="D,WE" *) +(* abc_box_id = 6 *) module RAM64X1D ( output DPO, SPO, - input D, WCLK, WE, + (* abc_scc_break *) input D, + input WCLK, + (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, A5, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 ); @@ -325,10 +335,12 @@ module RAM64X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule -(* abc_box_id = 7, abc_scc_break="D,WE" *) +(* abc_box_id = 7 *) module RAM128X1D ( output DPO, SPO, - input D, WCLK, WE, + (* abc_scc_break *) input D, + input WCLK, + (* abc_scc_break *) input WE, input [6:0] A, DPRA ); parameter INIT = 128'h0; diff --git a/techlibs/xilinx/drams.txt b/techlibs/xilinx/lutrams.txt index 2613c206c..2613c206c 100644 --- a/techlibs/xilinx/drams.txt +++ b/techlibs/xilinx/lutrams.txt diff --git a/techlibs/xilinx/drams_map.v b/techlibs/xilinx/lutrams_map.v index 77041ca86..77041ca86 100644 --- a/techlibs/xilinx/drams_map.v +++ b/techlibs/xilinx/lutrams_map.v diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index b672a0d4f..7ba67409b 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -64,13 +64,13 @@ struct SynthXilinxPass : public ScriptPass log(" (this feature is experimental and incomplete)\n"); log("\n"); log(" -nobram\n"); - log(" disable inference of block rams\n"); + log(" do not use block RAM cells in output netlist\n"); log("\n"); - log(" -nodram\n"); - log(" disable inference of distributed rams\n"); + log(" -nolutram\n"); + log(" do not use distributed RAM cells in output netlist\n"); log("\n"); log(" -nosrl\n"); - log(" disable inference of shift registers\n"); + log(" do not use distributed SRL cells in output netlist\n"); log("\n"); log(" -nocarry\n"); log(" do not use XORCY/MUXCY/CARRY4 cells in output netlist\n"); @@ -104,7 +104,7 @@ struct SynthXilinxPass : public ScriptPass } std::string top_opt, edif_file, blif_file, family; - bool flatten, retime, vpr, nobram, nodram, nosrl, nocarry, nowidelut, abc9; + bool flatten, retime, vpr, nobram, nolutram, nosrl, nocarry, nowidelut, abc9; int widemux; void clear_flags() YS_OVERRIDE @@ -118,7 +118,7 @@ struct SynthXilinxPass : public ScriptPass vpr = false; nocarry = false; nobram = false; - nodram = false; + nolutram = false; nosrl = false; nocarry = false; nowidelut = false; @@ -186,8 +186,8 @@ struct SynthXilinxPass : public ScriptPass nobram = true; continue; } - if (args[argidx] == "-nodram") { - nodram = true; + if (args[argidx] == "-nolutram" || /*deprecated alias*/ args[argidx] == "-nodram") { + nolutram = true; continue; } if (args[argidx] == "-nosrl") { @@ -195,7 +195,7 @@ struct SynthXilinxPass : public ScriptPass continue; } if (args[argidx] == "-widemux" && argidx+1 < args.size()) { - widemux = std::stoi(args[++argidx]); + widemux = atoi(args[++argidx].c_str()); continue; } if (args[argidx] == "-abc9") { @@ -284,7 +284,7 @@ struct SynthXilinxPass : public ScriptPass run("opt_clean"); } - if (check_label("bram", "(skip if '-nobram')")) { + if (check_label("map_bram", "(skip if '-nobram')")) { if (help_mode) { run("memory_bram -rules +/xilinx/{family}_brams.txt"); run("techmap -map +/xilinx/{family}_brams_map.v"); @@ -301,20 +301,23 @@ struct SynthXilinxPass : public ScriptPass } } - if (check_label("dram", "(skip if '-nodram')")) { - if (!nodram || help_mode) { - run("memory_bram -rules +/xilinx/drams.txt"); - run("techmap -map +/xilinx/drams_map.v"); + if (check_label("map_lutram", "(skip if '-nolutram')")) { + if (!nolutram || help_mode) { + run("memory_bram -rules +/xilinx/lutrams.txt"); + run("techmap -map +/xilinx/lutrams_map.v"); } } - if (check_label("fine")) { + if (check_label("map_ffram")) { if (widemux > 0) run("opt -fast -mux_bool -undriven -fine"); // Necessary to omit -mux_undef otherwise muxcover // performs less efficiently else run("opt -fast -full"); run("memory_map"); + } + + if (check_label("fine")) { run("dffsr2dff"); run("dff2dffe"); if (help_mode) { |