diff options
Diffstat (limited to 'techlibs/efinix/efinix_determine_init.cc')
| -rw-r--r-- | techlibs/efinix/efinix_determine_init.cc | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/techlibs/efinix/efinix_determine_init.cc b/techlibs/efinix/efinix_determine_init.cc new file mode 100644 index 000000000..54da703ff --- /dev/null +++ b/techlibs/efinix/efinix_determine_init.cc @@ -0,0 +1,89 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2018 Icenowy Zheng <icenowy@aosc.io> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "kernel/yosys.h" +#include "kernel/sigtools.h" + +USING_YOSYS_NAMESPACE +PRIVATE_NAMESPACE_BEGIN + +struct EfinixDetermineInitPass : public Pass { + EfinixDetermineInitPass() : Pass("efinix_determine_init", "Efinix: Determine the init value of cells") { } + void help() YS_OVERRIDE + { + log("\n"); + log(" efinix_determine_init [selection]\n"); + log("\n"); + log("Determine the init value of cells that doesn't allow unknown init value.\n"); + log("\n"); + } + + Const determine_init(Const init) + { + for (int i = 0; i < GetSize(init); i++) { + if (init[i] != State::S0 && init[i] != State::S1) + init[i] = State::S0; + } + + return init; + } + + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE + { + log_header(design, "Executing EFINIX_DETERMINE_INIT pass (determine init value for cells).\n"); + + extra_args(args, args.size(), design); + + int cnt = 0; + for (auto module : design->selected_modules()) + { + for (auto cell : module->selected_cells()) + { + if (cell->type == "\\EFX_RAM_5K") + { + cell->setParam("\\INIT_0", determine_init(cell->getParam("\\INIT_0"))); + cell->setParam("\\INIT_1", determine_init(cell->getParam("\\INIT_1"))); + cell->setParam("\\INIT_2", determine_init(cell->getParam("\\INIT_2"))); + cell->setParam("\\INIT_3", determine_init(cell->getParam("\\INIT_3"))); + cell->setParam("\\INIT_4", determine_init(cell->getParam("\\INIT_4"))); + cell->setParam("\\INIT_5", determine_init(cell->getParam("\\INIT_5"))); + cell->setParam("\\INIT_6", determine_init(cell->getParam("\\INIT_6"))); + cell->setParam("\\INIT_7", determine_init(cell->getParam("\\INIT_7"))); + cell->setParam("\\INIT_8", determine_init(cell->getParam("\\INIT_8"))); + cell->setParam("\\INIT_9", determine_init(cell->getParam("\\INIT_9"))); + cell->setParam("\\INIT_A", determine_init(cell->getParam("\\INIT_A"))); + cell->setParam("\\INIT_B", determine_init(cell->getParam("\\INIT_B"))); + cell->setParam("\\INIT_C", determine_init(cell->getParam("\\INIT_C"))); + cell->setParam("\\INIT_D", determine_init(cell->getParam("\\INIT_D"))); + cell->setParam("\\INIT_E", determine_init(cell->getParam("\\INIT_E"))); + cell->setParam("\\INIT_F", determine_init(cell->getParam("\\INIT_F"))); + cell->setParam("\\INIT_10", determine_init(cell->getParam("\\INIT_10"))); + cell->setParam("\\INIT_11", determine_init(cell->getParam("\\INIT_11"))); + cell->setParam("\\INIT_12", determine_init(cell->getParam("\\INIT_12"))); + cell->setParam("\\INIT_13", determine_init(cell->getParam("\\INIT_13"))); + + cnt++; + } + } + } + log_header(design, "Updated %d cells with determined init value.\n", cnt); + } +} EfinixDetermineInitPass; + +PRIVATE_NAMESPACE_END |