79 lines
2.6 KiB
C++
79 lines
2.6 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@clifford.at>
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* Copyright (C) 2018 David Shah <david@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 "design_utils.h"
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#include <map>
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#include "log.h"
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#include "util.h"
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NEXTPNR_NAMESPACE_BEGIN
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void replace_port(CellInfo *old_cell, IdString old_name, CellInfo *rep_cell,
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IdString rep_name)
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{
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PortInfo &old = old_cell->ports.at(old_name);
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PortInfo &rep = rep_cell->ports.at(rep_name);
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assert(old.type == rep.type);
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rep.net = old.net;
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old.net = nullptr;
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if (rep.type == PORT_OUT) {
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if (rep.net != nullptr) {
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rep.net->driver.cell = rep_cell;
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rep.net->driver.port = rep_name;
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}
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} else if (rep.type == PORT_IN) {
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if (rep.net != nullptr) {
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for (PortRef &load : rep.net->users) {
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if (load.cell == old_cell && load.port == old_name) {
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load.cell = rep_cell;
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load.port = rep_name;
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}
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}
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}
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} else {
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assert(false);
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}
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}
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// Print utilisation of a design
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void print_utilisation(const Context *ctx)
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{
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// Sort by Bel type
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std::map<BelType, int> used_types;
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for (auto cell : ctx->cells) {
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used_types[ctx->belTypeFromId(cell.second->type)]++;
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}
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std::map<BelType, int> available_types;
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for (auto bel : ctx->getBels()) {
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available_types[ctx->getBelType(bel)]++;
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}
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log_break();
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log_info("Device utilisation:\n");
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for (auto type : available_types) {
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IdString type_id = ctx->belTypeToId(type.first);
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int used_bels = get_or_default(used_types, type.first, 0);
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log_info("\t%20s: %5d/%5d %5d%%\n", type_id.c_str(ctx),
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used_bels, type.second, 100*used_bels/type.second);
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}
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log_break();
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}
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NEXTPNR_NAMESPACE_END
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