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https://github.com/YosysHQ/yosys
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ecp5: Adding synchronous set/reset support
Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah
parent
241429abac
commit
459d367913
5 changed files with 194 additions and 21 deletions
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@ -35,6 +35,7 @@ OBJS += passes/techmap/insbuf.o
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OBJS += passes/techmap/attrmvcp.o
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OBJS += passes/techmap/attrmap.o
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OBJS += passes/techmap/zinit.o
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OBJS += passes/techmap/dff2dffs.o
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endif
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GENFILES += passes/techmap/techmap.inc
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@ -57,4 +58,3 @@ yosys-filterlib$(EXE): passes/techmap/filterlib.o
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$(Q) mkdir -p $(dir $@)
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$(P) $(LD) -o yosys-filterlib$(EXE) $(LDFLAGS) $^ $(LDLIBS)
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endif
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@ -279,8 +279,9 @@ struct Dff2dffePass : public Pass {
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log(" -direct-match <pattern>\n");
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log(" like -direct for all DFF cell types matching the expression.\n");
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log(" this will use $__DFFE_* as <external_gate_type> matching the\n");
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log(" internal gate type $_DFF_*_, except for $_DFF_[NP]_, which is\n");
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log(" converted to $_DFFE_[NP]_.\n");
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log(" internal gate type $_DFF_*_, and $__DFFSE_* for those matching\n");
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log(" $_DFFS_*_, except for $_DFF_[NP]_, which is converted to \n");
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log(" $_DFFE_[NP]_.\n");
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log("\n");
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}
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virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
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@ -315,6 +316,15 @@ struct Dff2dffePass : public Pass {
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if (patmatch(pattern, "$_DFF_PN1_")) found_match = true, direct_dict["$_DFF_PN1_"] = "$__DFFE_PN1";
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if (patmatch(pattern, "$_DFF_PP0_")) found_match = true, direct_dict["$_DFF_PP0_"] = "$__DFFE_PP0";
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if (patmatch(pattern, "$_DFF_PP1_")) found_match = true, direct_dict["$_DFF_PP1_"] = "$__DFFE_PP1";
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if (patmatch(pattern, "$__DFFS_NN0_")) found_match = true, direct_dict["$__DFFS_NN0_"] = "$__DFFSE_NN0";
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if (patmatch(pattern, "$__DFFS_NN1_")) found_match = true, direct_dict["$__DFFS_NN1_"] = "$__DFFSE_NN1";
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if (patmatch(pattern, "$__DFFS_NP0_")) found_match = true, direct_dict["$__DFFS_NP0_"] = "$__DFFSE_NP0";
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if (patmatch(pattern, "$__DFFS_NP1_")) found_match = true, direct_dict["$__DFFS_NP1_"] = "$__DFFSE_NP1";
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if (patmatch(pattern, "$__DFFS_PN0_")) found_match = true, direct_dict["$__DFFS_PN0_"] = "$__DFFSE_PN0";
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if (patmatch(pattern, "$__DFFS_PN1_")) found_match = true, direct_dict["$__DFFS_PN1_"] = "$__DFFSE_PN1";
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if (patmatch(pattern, "$__DFFS_PP0_")) found_match = true, direct_dict["$__DFFS_PP0_"] = "$__DFFSE_PP0";
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if (patmatch(pattern, "$__DFFS_PP1_")) found_match = true, direct_dict["$__DFFS_PP1_"] = "$__DFFSE_PP1";
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if (!found_match)
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log_cmd_error("No cell types matched pattern '%s'.\n", pattern);
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continue;
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142
passes/techmap/dff2dffs.cc
Normal file
142
passes/techmap/dff2dffs.cc
Normal file
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@ -0,0 +1,142 @@
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/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
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* Copyright (C) 2018 David Shah <dave@ds0.me>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "kernel/yosys.h"
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#include "kernel/sigtools.h"
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USING_YOSYS_NAMESPACE
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PRIVATE_NAMESPACE_BEGIN
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struct Dff2dffsPass : public Pass {
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Dff2dffsPass() : Pass("dff2dffs", "process sync set/reset with SR over CE priority") { }
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virtual void help()
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{
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log("\n");
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log(" dff2dffs [options] [selection]\n");
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log("\n");
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log("Merge synchronous set/reset $_MUX_ cells to create $__DFFS_[NP][NP][01], to be run before\n");
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log("dff2dffe for SR over CE priority.\n");
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log("\n");
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}
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virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
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{
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log_header(design, "Executing dff2dffs pass (merge synchronous set/reset into FF cells).\n");
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size_t argidx;
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for (argidx = 1; argidx < args.size(); argidx++)
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{
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// if (args[argidx] == "-singleton") {
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// singleton_mode = true;
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// continue;
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// }
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break;
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}
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extra_args(args, argidx, design);
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pool<IdString> dff_types;
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dff_types.insert("$_DFF_N_");
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dff_types.insert("$_DFF_P_");
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for (auto module : design->selected_modules())
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{
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log("Merging set/reset $_MUX_ cells into DFFs in %s.\n", log_id(module));
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SigMap sigmap(module);
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dict<SigBit, Cell*> sr_muxes;
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vector<Cell*> ff_cells;
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for (auto cell : module->selected_cells())
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{
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if (dff_types.count(cell->type)) {
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ff_cells.push_back(cell);
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continue;
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}
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if (cell->type != "$_MUX_")
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continue;
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SigBit bit_a = sigmap(cell->getPort("\\A"));
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SigBit bit_b = sigmap(cell->getPort("\\B"));
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if (bit_a.wire == nullptr || bit_b.wire == nullptr)
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sr_muxes[sigmap(cell->getPort("\\Y"))] = cell;
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}
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for (auto cell : ff_cells)
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{
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SigSpec sig_d = cell->getPort("\\D");
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if (GetSize(sig_d) < 1)
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continue;
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SigBit bit_d = sigmap(sig_d[0]);
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if (sr_muxes.count(bit_d) == 0)
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continue;
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Cell *mux_cell = sr_muxes.at(bit_d);
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SigBit bit_a = sigmap(mux_cell->getPort("\\A"));
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SigBit bit_b = sigmap(mux_cell->getPort("\\B"));
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SigBit bit_s = sigmap(mux_cell->getPort("\\S"));
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log(" Merging %s (A=%s, B=%s, S=%s) into %s (%s).\n", log_id(mux_cell),
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log_signal(bit_a), log_signal(bit_b), log_signal(bit_s), log_id(cell), log_id(cell->type));
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SigBit sr_val, sr_sig;
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bool invert_sr;
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sr_sig = bit_s;
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if (bit_a.wire == nullptr) {
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bit_d = bit_b;
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sr_val = bit_a;
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invert_sr = true;
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} else {
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log_assert(bit_b.wire == nullptr);
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bit_d = bit_a;
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sr_val = bit_b;
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invert_sr = false;
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}
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if (sr_val == State::S1) {
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if (cell->type == "$_DFF_N_") {
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if (invert_sr) cell->type = "$__DFFS_NN1_";
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else cell->type = "$__DFFS_NP1_";
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} else {
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log_assert(cell->type == "$_DFF_P_");
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if (invert_sr) cell->type = "$__DFFS_PN1_";
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else cell->type = "$__DFFS_PP1_";
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}
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} else {
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if (cell->type == "$_DFF_N_") {
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if (invert_sr) cell->type = "$__DFFS_NN0_";
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else cell->type = "$__DFFS_NP0_";
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} else {
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log_assert(cell->type == "$_DFF_P_");
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if (invert_sr) cell->type = "$__DFFS_PN0_";
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else cell->type = "$__DFFS_PP0_";
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}
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}
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cell->setPort("\\R", sr_sig);
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cell->setPort("\\D", bit_d);
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}
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}
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}
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} Dff2dffsPass;
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PRIVATE_NAMESPACE_END
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@ -7,25 +7,45 @@ module \$_DFFE_PN_ (input D, C, E, output Q); TRELLIS_FF #(.GSR("DISABLED"), .C
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module \$_DFFE_NP_ (input D, C, E, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(1'b0), .DI(D), .Q(Q)); endmodule
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module \$_DFFE_PP_ (input D, C, E, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(1'b0), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_NP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$_DFF_PP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_NN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_NN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_PN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_PN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_NN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_NN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_PN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_PN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_NP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_NP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_PP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_PP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_NP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_NP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_PP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFS_PP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_NN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
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module \$__DFFE_NN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFE_PN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFE_PN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
|
||||
module \$__DFFE_NP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFE_NP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFE_PP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFE_PP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
|
||||
module \$__DFFSE_NN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFSE_NN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFSE_PN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFSE_PN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("INV"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
|
||||
module \$__DFFSE_NP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFSE_NP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFSE_PP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
module \$__DFFSE_PP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule
|
||||
|
||||
`ifndef NO_LUT
|
||||
module \$lut (A, Y);
|
||||
|
|
|
|||
|
|
@ -247,15 +247,16 @@ struct SynthEcp5Pass : public ScriptPass
|
|||
if (check_label("map_ffs"))
|
||||
{
|
||||
run("dffsr2dff");
|
||||
run("dff2dffs");
|
||||
run("opt_clean");
|
||||
if (!nodffe)
|
||||
run("dff2dffe -direct-match $_DFF_*");
|
||||
run("dff2dffe -direct-match $_DFF_* -direct-match $__DFFS_*");
|
||||
run("techmap -D NO_LUT -map +/ecp5/cells_map.v");
|
||||
run("opt_expr -mux_undef");
|
||||
run("simplemap");
|
||||
// TODO
|
||||
#if 0
|
||||
run("ecp5_ffinit");
|
||||
run("ecp5_ffssr");
|
||||
#endif
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue