diff options
Diffstat (limited to 'techlibs/xilinx')
-rw-r--r-- | techlibs/xilinx/cells_map.v | 10 | ||||
-rw-r--r-- | techlibs/xilinx/cells_sim.v | 17 | ||||
-rw-r--r-- | techlibs/xilinx/cells_xtra.sh | 4 | ||||
-rw-r--r-- | techlibs/xilinx/cells_xtra.v | 18 | ||||
-rw-r--r-- | techlibs/xilinx/drams.txt | 24 | ||||
-rw-r--r-- | techlibs/xilinx/drams_map.v | 34 | ||||
-rw-r--r-- | techlibs/xilinx/ff_map.v | 13 | ||||
-rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 292 |
8 files changed, 211 insertions, 201 deletions
diff --git a/techlibs/xilinx/cells_map.v b/techlibs/xilinx/cells_map.v index 704ab21b1..40789ddbe 100644 --- a/techlibs/xilinx/cells_map.v +++ b/techlibs/xilinx/cells_map.v @@ -17,6 +17,16 @@ * */ +// Convert negative-polarity reset to positive-polarity +(* techmap_celltype = "$_DFF_NN0_" *) +module _90_dff_nn0_to_np0 (input D, C, R, output Q); \$_DFF_NP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +(* techmap_celltype = "$_DFF_PN0_" *) +module _90_dff_pn0_to_pp0 (input D, C, R, output Q); \$_DFF_PP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +(* techmap_celltype = "$_DFF_NN1_" *) +module _90_dff_nn1_to_np1 (input D, C, R, output Q); \$_DFF_NP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +(* techmap_celltype = "$_DFF_PN1_" *) +module _90_dff_pn1_to_pp1 (input D, C, R, output Q); \$_DFF_PP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule + module \$__SHREG_ (input C, input D, input E, output Q); parameter DEPTH = 0; parameter [DEPTH-1:0] INIT = 0; diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 3a4540b83..50d588a9e 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -278,6 +278,23 @@ 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 +module RAM32X1D ( + output DPO, SPO, + input D, WCLK, WE, + input A0, A1, A2, A3, A4, + input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, +); + parameter INIT = 32'h0; + parameter IS_WCLK_INVERTED = 1'b0; + wire [4:0] a = {A4, A3, A2, A1, A0}; + wire [4:0] dpra = {DPRA4, DPRA3, DPRA2, DPRA1, DPRA0}; + reg [31:0] mem = INIT; + assign SPO = mem[a]; + assign DPO = mem[dpra]; + wire clk = WCLK ^ IS_WCLK_INVERTED; + always @(posedge clk) if (WE) mem[a] <= D; +endmodule + module RAM64X1D ( output DPO, SPO, input D, WCLK, WE, diff --git a/techlibs/xilinx/cells_xtra.sh b/techlibs/xilinx/cells_xtra.sh index 8e39b440d..83863bf0b 100644 --- a/techlibs/xilinx/cells_xtra.sh +++ b/techlibs/xilinx/cells_xtra.sh @@ -116,11 +116,11 @@ function xtract_cell_decl() xtract_cell_decl PS7 "(* keep *)" xtract_cell_decl PULLDOWN xtract_cell_decl PULLUP - xtract_cell_decl RAM128X1D + #xtract_cell_decl RAM128X1D xtract_cell_decl RAM128X1S xtract_cell_decl RAM256X1S xtract_cell_decl RAM32M - xtract_cell_decl RAM32X1D + #xtract_cell_decl RAM32X1D xtract_cell_decl RAM32X1S xtract_cell_decl RAM32X1S_1 xtract_cell_decl RAM32X2S diff --git a/techlibs/xilinx/cells_xtra.v b/techlibs/xilinx/cells_xtra.v index fbcc74682..6220da703 100644 --- a/techlibs/xilinx/cells_xtra.v +++ b/techlibs/xilinx/cells_xtra.v @@ -3655,17 +3655,6 @@ module PULLUP (...); output O; endmodule -module RAM128X1D (...); - parameter [127:0] INIT = 128'h00000000000000000000000000000000; - parameter [0:0] IS_WCLK_INVERTED = 1'b0; - output DPO, SPO; - input [6:0] A; - input [6:0] DPRA; - input D; - input WCLK; - input WE; -endmodule - module RAM128X1S (...); parameter [127:0] INIT = 128'h00000000000000000000000000000000; parameter [0:0] IS_WCLK_INVERTED = 1'b0; @@ -3705,13 +3694,6 @@ module RAM32M (...); input WE; endmodule -module RAM32X1D (...); - parameter [31:0] INIT = 32'h00000000; - parameter [0:0] IS_WCLK_INVERTED = 1'b0; - output DPO, SPO; - input A0, A1, A2, A3, A4, D, DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, WCLK, WE; -endmodule - module RAM32X1S (...); parameter [31:0] INIT = 32'h00000000; parameter [0:0] IS_WCLK_INVERTED = 1'b0; diff --git a/techlibs/xilinx/drams.txt b/techlibs/xilinx/drams.txt index e6635d0e2..2613c206c 100644 --- a/techlibs/xilinx/drams.txt +++ b/techlibs/xilinx/drams.txt @@ -1,4 +1,17 @@ +bram $__XILINX_RAM32X1D + init 1 + abits 5 + dbits 1 + groups 2 + ports 1 1 + wrmode 0 1 + enable 0 1 + transp 0 0 + clocks 0 1 + clkpol 0 2 +endbram + bram $__XILINX_RAM64X1D init 1 abits 6 @@ -25,12 +38,23 @@ bram $__XILINX_RAM128X1D clkpol 0 2 endbram +match $__XILINX_RAM32X1D + min bits 3 + min wports 1 + make_outreg + or_next_if_better +endmatch + match $__XILINX_RAM64X1D + min bits 5 + min wports 1 make_outreg or_next_if_better endmatch match $__XILINX_RAM128X1D + min bits 9 + min wports 1 make_outreg endmatch diff --git a/techlibs/xilinx/drams_map.v b/techlibs/xilinx/drams_map.v index 47476b592..77041ca86 100644 --- a/techlibs/xilinx/drams_map.v +++ b/techlibs/xilinx/drams_map.v @@ -1,4 +1,38 @@ +module \$__XILINX_RAM32X1D (CLK1, A1ADDR, A1DATA, B1ADDR, B1DATA, B1EN); + parameter [31:0] INIT = 32'bx; + parameter CLKPOL2 = 1; + input CLK1; + + input [4:0] A1ADDR; + output A1DATA; + + input [4:0] B1ADDR; + input B1DATA; + input B1EN; + + RAM32X1D #( + .INIT(INIT), + .IS_WCLK_INVERTED(!CLKPOL2) + ) _TECHMAP_REPLACE_ ( + .DPRA0(A1ADDR[0]), + .DPRA1(A1ADDR[1]), + .DPRA2(A1ADDR[2]), + .DPRA3(A1ADDR[3]), + .DPRA4(A1ADDR[4]), + .DPO(A1DATA), + + .A0(B1ADDR[0]), + .A1(B1ADDR[1]), + .A2(B1ADDR[2]), + .A3(B1ADDR[3]), + .A4(B1ADDR[4]), + .D(B1DATA), + .WCLK(CLK1), + .WE(B1EN) + ); +endmodule + module \$__XILINX_RAM64X1D (CLK1, A1ADDR, A1DATA, B1ADDR, B1DATA, B1EN); parameter [63:0] INIT = 64'bx; parameter CLKPOL2 = 1; diff --git a/techlibs/xilinx/ff_map.v b/techlibs/xilinx/ff_map.v index c61fd7070..13beaa6ae 100644 --- a/techlibs/xilinx/ff_map.v +++ b/techlibs/xilinx/ff_map.v @@ -22,26 +22,21 @@ `ifndef _NO_FFS -`ifndef _NO_POS_SR module \$_DFF_N_ (input D, C, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule module \$_DFF_P_ (input D, C, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule module \$_DFFE_NP_ (input D, C, E, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule module \$_DFFE_PP_ (input D, C, E, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule +module \$_DFF_NN0_ (input D, C, R, output Q); FDCE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(!R)); endmodule module \$_DFF_NP0_ (input D, C, R, output Q); FDCE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endmodule +module \$_DFF_PN0_ (input D, C, R, output Q); FDCE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(!R)); endmodule module \$_DFF_PP0_ (input D, C, R, output Q); FDCE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endmodule +module \$_DFF_NN1_ (input D, C, R, output Q); FDPE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(!R)); endmodule module \$_DFF_NP1_ (input D, C, R, output Q); FDPE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule +module \$_DFF_PN1_ (input D, C, R, output Q); FDPE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(!R)); endmodule module \$_DFF_PP1_ (input D, C, R, output Q); FDPE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule -`endif - -module \$_DFF_NN0_ (input D, C, R, output Q); \$_DFF_NP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule -module \$_DFF_PN0_ (input D, C, R, output Q); \$_DFF_PP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule - -module \$_DFF_NN1_ (input D, C, R, output Q); \$_DFF_NP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule -module \$_DFF_PN1_ (input D, C, R, output Q); \$_DFF_PP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule -`endif `endif diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index cc70823ef..27125d56c 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -25,18 +25,9 @@ USING_YOSYS_NAMESPACE PRIVATE_NAMESPACE_BEGIN -bool check_label(bool &active, std::string run_from, std::string run_to, std::string label) +struct SynthXilinxPass : public ScriptPass { - if (label == run_from) - active = true; - if (label == run_to) - active = false; - return active; -} - -struct SynthXilinxPass : public Pass -{ - SynthXilinxPass() : Pass("synth_xilinx", "synthesis for Xilinx FPGAs") { } + SynthXilinxPass() : ScriptPass("synth_xilinx", "synthesis for Xilinx FPGAs") { } void help() YS_OVERRIDE { @@ -51,6 +42,10 @@ struct SynthXilinxPass : public Pass log(" -top <module>\n"); log(" use the specified module as top module\n"); log("\n"); + log(" -arch {xcup|xcu|xc7|xc6s}\n"); + log(" run synthesis for the specified Xilinx architecture\n"); + log(" default: xc7\n"); + log("\n"); log(" -edif <file>\n"); log(" write the design to the specified edif file. writing of an output file\n"); log(" is omitted if this parameter is not specified.\n"); @@ -73,10 +68,10 @@ struct SynthXilinxPass : public Pass log(" disable inference of shift registers\n"); log("\n"); log(" -nocarry\n"); - log(" do not use XORCY/MUXCY cells in output netlist\n"); + log(" do not use XORCY/MUXCY/CARRY4 cells in output netlist\n"); log("\n"); - log(" -nomux\n"); - log(" do not use MUXF[78] muxes to implement LUTs larger than LUT6s\n"); + log(" -nowidelut\n"); + log(" do not use MUXF[78] resources to implement LUTs larger than LUT6s\n"); log("\n"); log(" -run <from_label>:<to_label>\n"); log(" only run the commands between the labels (see below). an empty\n"); @@ -91,81 +86,33 @@ struct SynthXilinxPass : public Pass log("\n"); log("\n"); log("The following commands are executed by this synthesis command:\n"); - log("\n"); - log(" begin:\n"); - log(" read_verilog -lib +/xilinx/cells_sim.v\n"); - log(" read_verilog -lib +/xilinx/cells_xtra.v\n"); - log(" read_verilog -lib +/xilinx/brams_bb.v\n"); - log(" hierarchy -check -top <top>\n"); - log("\n"); - log(" flatten: (only if -flatten)\n"); - log(" proc\n"); - log(" flatten\n"); - log("\n"); - log(" coarse:\n"); - log(" synth -run coarse\n"); - log("\n"); - log(" bram: (only executed when '-nobram' is not given)\n"); - log(" memory_bram -rules +/xilinx/brams.txt\n"); - log(" techmap -map +/xilinx/brams_map.v\n"); - log("\n"); - log(" dram: (only executed when '-nodram' is not given)\n"); - log(" memory_bram -rules +/xilinx/drams.txt\n"); - log(" techmap -map +/xilinx/drams_map.v\n"); - log("\n"); - log(" fine:\n"); - log(" opt -fast\n"); - log(" memory_map\n"); - log(" dffsr2dff\n"); - log(" dff2dffe\n"); - log(" techmap -map +/xilinx/arith_map.v\n"); - log(" opt -fast\n"); - log("\n"); - log(" map_cells:\n"); - log(" simplemap t:$dff t:$dffe (without '-nosrl' only)\n"); - log(" pmux2shiftx (without '-nosrl' only)\n"); - log(" opt_expr -mux_undef (without '-nosrl' only)\n"); - log(" shregmap -tech xilinx -minlen 3 (without '-nosrl' only)\n"); - log(" techmap -map +/xilinx/cells_map.v\n"); - log(" clean\n"); - log("\n"); - log(" map_luts:\n"); - log(" opt -full\n"); - log(" techmap -map +/techmap.v -D _NO_POS_SR -map +/xilinx/ff_map.v\n"); - log(" abc -luts 2:2,3,6:5,10,20 [-dff]\n"); - log(" clean\n"); - log(" shregmap -minlen 3 -init -params -enpol any_or_none (without '-nosrl' only)\n"); - log(" techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v -map +/xilinx/cells_map.v"); - log(" dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT \\\n"); - log(" -ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT\n"); - log(" clean\n"); - log("\n"); - log(" check:\n"); - log(" hierarchy -check\n"); - log(" stat\n"); - log(" check -noinit\n"); - log("\n"); - log(" edif: (only if -edif)\n"); - log(" write_edif <file-name>\n"); - log("\n"); - log(" blif: (only if -blif)\n"); - log(" write_blif <file-name>\n"); + help_script(); log("\n"); } + + std::string top_opt, edif_file, blif_file, arch; + bool flatten, retime, vpr, nobram, nodram, nosrl, nocarry, nowidelut; + + void clear_flags() YS_OVERRIDE + { + top_opt = "-auto-top"; + edif_file.clear(); + blif_file.clear(); + flatten = false; + retime = false; + vpr = false; + nobram = false; + nodram = false; + nosrl = false; + nocarry = false; + nowidelut = false; + arch = "xc7"; + } + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { - std::string top_opt = "-auto-top"; - std::string edif_file; - std::string blif_file; std::string run_from, run_to; - bool flatten = false; - bool retime = false; - bool nocarry = false; - bool nomux = false; - bool vpr = false; - bool nobram = false; - bool nodram = false; - bool nosrl = false; + clear_flags(); size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) @@ -174,6 +121,10 @@ struct SynthXilinxPass : public Pass top_opt = "-top " + args[++argidx]; continue; } + if (args[argidx] == "-arch" && argidx+1 < args.size()) { + arch = args[++argidx]; + continue; + } if (args[argidx] == "-edif" && argidx+1 < args.size()) { edif_file = args[++argidx]; continue; @@ -226,133 +177,130 @@ struct SynthXilinxPass : public Pass } extra_args(args, argidx, design); + if (arch != "xcup" && arch != "xcu" && arch != "xc7" && arch != "xc6s") + log_cmd_error("Invalid Xilinx -arch setting: %s\n", arch.c_str()); + if (!design->full_selection()) log_cmd_error("This command only operates on fully selected designs!\n"); - bool active = run_from.empty(); - log_header(design, "Executing SYNTH_XILINX pass.\n"); log_push(); - if (check_label(active, run_from, run_to, "begin")) - { - if (vpr) { - Pass::call(design, "read_verilog -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); - } else { - Pass::call(design, "read_verilog -lib +/xilinx/cells_sim.v"); - } + run_script(design, run_from, run_to); + + log_pop(); + } - Pass::call(design, "read_verilog -lib +/xilinx/cells_xtra.v"); + void script() YS_OVERRIDE + { + if (check_label("begin")) { + if (vpr) + run("read_verilog -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); + else + run("read_verilog -lib +/xilinx/cells_sim.v"); - if (!nobram) { - Pass::call(design, "read_verilog -lib +/xilinx/brams_bb.v"); - } + run("read_verilog -lib +/xilinx/cells_xtra.v"); - Pass::call(design, stringf("hierarchy -check %s", top_opt.c_str())); - } + if (!nobram || help_mode) + run("read_verilog -lib +/xilinx/brams_bb.v", "(skip if '-nobram')"); - if (flatten && check_label(active, run_from, run_to, "flatten")) - { - Pass::call(design, "proc"); - Pass::call(design, "flatten"); + run(stringf("hierarchy -check %s", top_opt.c_str())); } - if (check_label(active, run_from, run_to, "coarse")) - { - Pass::call(design, "synth -run coarse"); + if (check_label("flatten", "(with '-flatten' only)")) { + if (flatten || help_mode) { + run("proc"); + run("flatten"); + } } - if (check_label(active, run_from, run_to, "bram")) - { - if (!nobram) { - Pass::call(design, "memory_bram -rules +/xilinx/brams.txt"); - Pass::call(design, "techmap -map +/xilinx/brams_map.v"); - } + if (check_label("coarse")) { + run("synth -run coarse"); } - if (check_label(active, run_from, run_to, "dram")) - { - if (!nodram) { - Pass::call(design, "memory_bram -rules +/xilinx/drams.txt"); - Pass::call(design, "techmap -map +/xilinx/drams_map.v"); + if (check_label("bram", "(skip if '-nobram')")) { + if (!nobram || help_mode) { + run("memory_bram -rules +/xilinx/brams.txt"); + run("techmap -map +/xilinx/brams_map.v"); } } - if (check_label(active, run_from, run_to, "fine")) - { - Pass::call(design, "opt -fast"); - Pass::call(design, "memory_map"); - Pass::call(design, "dffsr2dff"); - Pass::call(design, "dff2dffe"); - if (!nocarry) { - if (vpr) { - Pass::call(design, "techmap -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY"); - } else { - Pass::call(design, "techmap -map +/xilinx/arith_map.v"); - } + 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"); } - Pass::call(design, "opt -fast"); } - if (check_label(active, run_from, run_to, "map_cells")) - { - if (!nosrl) { + if (check_label("fine")) { + // shregmap -tech xilinx can cope with $shiftx and $mux + // cells for identifiying variable-length shift registers, + // so attempt to convert $pmux-es to the former + if (!nosrl || help_mode) + run("pmux2shiftx", "(skip if '-nosrl')"); + + run("opt -fast -full"); + run("memory_map"); + run("dffsr2dff"); + run("dff2dffe"); + run("opt -full"); + + if (!nosrl || help_mode) { // shregmap operates on bit-level flops, not word-level, // so break those down here - Pass::call(design, "simplemap t:$dff t:$dffe"); - // shregmap -tech xilinx can cope with $shiftx and $mux - // cells for identifiying variable-length shift registers, - // so attempt to convert $pmux-es to the former - Pass::call(design, "pmux2shiftx"); - // pmux2shiftx can leave behind a $pmux with a single entry - // -- need this to clean that up before shregmap - Pass::call(design, "opt_expr -mux_undef"); + run("simplemap t:$dff t:$dffe", "(skip if '-nosrl')"); // shregmap with '-tech xilinx' infers variable length shift regs - Pass::call(design, "shregmap -tech xilinx -minlen 3"); + run("shregmap -tech xilinx -minlen 3", "(skip if '-nosrl')"); } - Pass::call(design, "techmap -map +/xilinx/cells_map.v"); - Pass::call(design, "clean"); + if (help_mode) + run("techmap -map +/techmap.v -map +/xilinx/arith_map.v", "(skip if '-nocarry')"); + else if (!vpr) + run("techmap -map +/techmap.v -map +/xilinx/arith_map.v"); + else + run("techmap -map +/techmap.v -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY"); + + run("opt -fast"); } - if (check_label(active, run_from, run_to, "map_luts")) - { - Pass::call(design, "opt -full"); - Pass::call(design, "techmap -map +/techmap.v -D _NO_POS_SR -map +/xilinx/ff_map.v"); - if (nomux) - Pass::call(design, "abc -luts 2:2,3,6:5" + string(retime ? " -dff" : "")); + if (check_label("map_cells")) { + run("techmap -map +/techmap.v -map +/xilinx/cells_map.v"); + run("clean"); + } + + if (check_label("map_luts")) { + if (help_mode) + run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(skip if 'nowidelut', only for '-retime')"); + else if (nowidelut) + run("abc -luts 2:2,3,6:5" + string(retime ? " -dff" : "")); else - Pass::call(design, "abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : "")); - Pass::call(design, "clean"); + run("abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : "")); + run("clean"); // This shregmap call infers fixed length shift registers after abc // has performed any necessary retiming - if (!nosrl) - Pass::call(design, "shregmap -minlen 3 -init -params -enpol any_or_none"); - Pass::call(design, "techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v -map +/xilinx/cells_map.v"); - Pass::call(design, "dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " + 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"); - Pass::call(design, "clean"); + run("clean"); } - if (check_label(active, run_from, run_to, "check")) - { - Pass::call(design, "hierarchy -check"); - Pass::call(design, "stat"); - Pass::call(design, "check -noinit"); + if (check_label("check")) { + run("hierarchy -check"); + run("stat -tech xilinx"); + run("check -noinit"); } - if (check_label(active, run_from, run_to, "edif")) - { - if (!edif_file.empty()) - Pass::call(design, stringf("write_edif -pvector bra %s", edif_file.c_str())); - } - if (check_label(active, run_from, run_to, "blif")) - { - if (!blif_file.empty()) - Pass::call(design, stringf("write_blif %s", edif_file.c_str())); + if (check_label("edif")) { + if (!edif_file.empty() || help_mode) + run(stringf("write_edif -pvector bra %s", edif_file.c_str())); } - log_pop(); + if (check_label("blif")) { + if (!blif_file.empty() || help_mode) + run(stringf("write_blif %s", edif_file.c_str())); + } } } SynthXilinxPass; |