100 lines
3.9 KiB
C++
100 lines
3.9 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com>
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* Copyright (C) 2018 David Shah <david@symbioticeda.com>
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* Copyright (C) 2018 Serge Bazanski <q3k@symbioticeda.com>
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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 "nextpnr.h"
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#include "xdl.h"
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#include <cctype>
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#include <vector>
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#include "cells.h"
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#include "log.h"
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#include "util.h"
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#include "torc/Physical.hpp"
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using namespace torc::architecture::xilinx;
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using namespace torc::physical;
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NEXTPNR_NAMESPACE_BEGIN
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void write_xdl(const Context *ctx, std::ostream &out)
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{
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XdlExporter exporter(out);
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auto designPtr = Factory::newDesignPtr("name", torc_info->ddb->getDeviceName(), "clg484", "", "");
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std::unordered_map<int32_t,InstanceSharedPtr> site_to_instance;
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for (const auto& cell : ctx->cells) {
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const char* type;
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if (cell.second->type == id_SLICE_LUT6) type = "SLICEL";
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else if (cell.second->type == id_IOB33S) type = "IOB33S";
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else if (cell.second->type == id_BUFGCTRL) type = "BUFGCTRL";
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else log_error("Unsupported cell type '%s'.\n", cell.second->type.c_str(ctx));
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auto site_index = torc_info->bel_to_site_index[cell.second->bel.index];
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auto ret = site_to_instance.emplace(site_index, nullptr);
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InstanceSharedPtr instPtr;
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if (ret.second) {
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instPtr = Factory::newInstancePtr(cell.second->name.str(ctx), type, "", "");
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auto b = designPtr->addInstance(instPtr);
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assert(b);
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ret.first->second = instPtr;
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const auto& tile_info = torc_info->bel_to_tile_info(cell.second->bel.index);
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instPtr->setTile(tile_info.getName());
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instPtr->setSite(torc_info->bel_to_name(cell.second->bel.index));
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}
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else
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instPtr = ret.first->second;
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if (cell.second->type == id_SLICE_LUT6) {
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std::string config;
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switch (torc_info->bel_to_z[cell.second->bel.index]) {
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case 0: case 4: config += 'A'; break;
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case 1: case 5: config += 'B'; break;
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case 2: case 6: config += 'C'; break;
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case 3: case 7: config += 'D'; break;
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default: throw;
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}
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config += "6LUT";
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instPtr->setConfig(config, cell.second->name.str(ctx), "#LUT:O6=");
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}
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else if (cell.second->type == id_IOB33S) {
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if (get_net_or_empty(cell.second.get(), id_I)) {
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instPtr->setConfig("IUSED", "", "0");
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instPtr->setConfig("IBUF_LOW_PWR", "", "TRUE");
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instPtr->setConfig("ISTANDARD", "", "LVCMOS25");
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}
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else {
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instPtr->setConfig("OUSED", "", "0");
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instPtr->setConfig("OSTANDARD", "", "LVCMOS25");
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instPtr->setConfig("DRIVE", "", "12");
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instPtr->setConfig("SLEW", "", "SLOW");
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}
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}
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else if (cell.second->type == id_BUFGCTRL) {
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}
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else log_error("Unsupported cell type '%s'.\n", cell.second->type.c_str(ctx));
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}
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exporter(designPtr);
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}
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NEXTPNR_NAMESPACE_END
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