127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 David Shah <david@symbioticeda.com>
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* Copyright (C) 2018 Clifford Wolf <clifford@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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#ifndef NEXTPNR_H
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#error Include "archdefs.h" via "nextpnr.h" only.
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#endif
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NEXTPNR_NAMESPACE_BEGIN
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typedef int delay_t;
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struct DelayInfo
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{
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delay_t delay = 0;
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delay_t raiseDelay() const { return delay; }
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delay_t fallDelay() const { return delay; }
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delay_t avgDelay() const { return delay; }
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DelayInfo operator+(const DelayInfo &other) const
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{
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DelayInfo ret;
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ret.delay = this->delay + other.delay;
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return ret;
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}
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};
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// -----------------------------------------------------------------------
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enum BelType : int32_t
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{
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TYPE_NONE,
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TYPE_TRELLIS_SLICE,
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TYPE_TRELLIS_IO
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};
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enum PortPin : int32_t
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{
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PIN_NONE,
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#define X(t) PIN_##t,
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#include "portpins.inc"
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#undef X
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PIN_MAXIDX
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};
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NPNR_PACKED_STRUCT(
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struct Location {
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int16_t x = -1, y = -1;
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bool operator==(const Location &other) const { return x == other.x && y == other.y; }
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bool operator!=(const Location &other) const { return x != other.x || y == other.y; }
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}
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);
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struct BelId
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{
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Location location;
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int32_t index = -1;
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bool operator==(const BelId &other) const { return index == other.index && location == other.location; }
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bool operator!=(const BelId &other) const { return index != other.index || location != other.location; }
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};
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struct WireId
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{
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Location location;
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int32_t index = -1;
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bool operator==(const WireId &other) const { return index == other.index && location == other.location; }
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bool operator!=(const WireId &other) const { return index != other.index || location != other.location; }
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};
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struct PipId
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{
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Location location;
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int32_t index = -1;
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bool operator==(const WireId &other) const { return index == other.index && location == other.location; }
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bool operator!=(const WireId &other) const { return index != other.index || location != other.location; }
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};
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NEXTPNR_NAMESPACE_END
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namespace std {
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template <> struct hash<NEXTPNR_NAMESPACE_PREFIX BelId>
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{
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std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX BelId &bel) const noexcept { return hash<int>()(bel.index); }
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};
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template <> struct hash<NEXTPNR_NAMESPACE_PREFIX WireId>
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{
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std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX WireId &wire) const noexcept
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{
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return hash<int>()(wire.index);
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}
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};
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template <> struct hash<NEXTPNR_NAMESPACE_PREFIX PipId>
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{
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std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX PipId &pip) const noexcept { return hash<int>()(pip.index); }
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};
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template <> struct hash<NEXTPNR_NAMESPACE_PREFIX BelType> : hash<int>
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{
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};
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template <> struct hash<NEXTPNR_NAMESPACE_PREFIX PortPin> : hash<int>
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{
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};
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} // namespace std
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