130 lines
4.0 KiB
C++
130 lines
4.0 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 gatecat <gatecat@ds0.me>
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* Copyright (C) 2021 William D. Jones <wjones@wdj-consulting.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 MACHXO2_CONFIG_H
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#define MACHXO2_CONFIG_H
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#include <map>
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#include "nextpnr.h"
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NEXTPNR_NAMESPACE_BEGIN
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// This represents configuration at "FASM" level, in terms of routing arcs and non-routing configuration settings -
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// either words or enums.
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// A connection in a tile
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struct ConfigArc
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{
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std::string sink;
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std::string source;
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inline bool operator==(const ConfigArc &other) const { return other.source == source && other.sink == sink; }
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};
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std::ostream &operator<<(std::ostream &out, const ConfigArc &arc);
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std::istream &operator>>(std::istream &in, ConfigArc &arc);
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// A configuration setting in a tile that takes one or more bits (such as LUT init)
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struct ConfigWord
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{
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std::string name;
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std::vector<bool> value;
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inline bool operator==(const ConfigWord &other) const { return other.name == name && other.value == value; }
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};
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std::ostream &operator<<(std::ostream &out, const ConfigWord &cw);
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std::istream &operator>>(std::istream &in, ConfigWord &cw);
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// A configuration setting in a tile that takes an enumeration value (such as IO type)
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struct ConfigEnum
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{
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std::string name;
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std::string value;
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inline bool operator==(const ConfigEnum &other) const { return other.name == name && other.value == value; }
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};
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std::ostream &operator<<(std::ostream &out, const ConfigEnum &ce);
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std::istream &operator>>(std::istream &in, ConfigEnum &ce);
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// An unknown bit, specified by position only
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struct ConfigUnknown
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{
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int frame, bit;
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inline bool operator==(const ConfigUnknown &other) const { return other.frame == frame && other.bit == bit; }
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};
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std::ostream &operator<<(std::ostream &out, const ConfigUnknown &tc);
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std::istream &operator>>(std::istream &in, ConfigUnknown &ce);
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struct TileConfig
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{
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std::vector<ConfigArc> carcs;
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std::vector<ConfigWord> cwords;
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std::vector<ConfigEnum> cenums;
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std::vector<ConfigUnknown> cunknowns;
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int total_known_bits = 0;
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void add_arc(const std::string &sink, const std::string &source);
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void add_word(const std::string &name, const std::vector<bool> &value);
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void add_enum(const std::string &name, const std::string &value);
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void add_unknown(int frame, int bit);
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std::string to_string() const;
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static TileConfig from_string(const std::string &str);
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bool empty() const;
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};
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std::ostream &operator<<(std::ostream &out, const TileConfig &tc);
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std::istream &operator>>(std::istream &in, TileConfig &ce);
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// A group of tiles to configure at once for a particular feature that is split across tiles
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// TileGroups are currently for non-routing configuration only
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struct TileGroup
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{
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std::vector<std::string> tiles;
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TileConfig config;
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};
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// This represents the configuration of a chip at a high level
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class ChipConfig
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{
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public:
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std::string chip_name;
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std::string chip_variant;
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std::vector<std::string> metadata;
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std::map<std::string, TileConfig> tiles;
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std::vector<TileGroup> tilegroups;
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std::map<std::string, std::string> sysconfig;
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std::map<uint16_t, std::vector<uint16_t>> bram_data;
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};
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std::ostream &operator<<(std::ostream &out, const ChipConfig &cc);
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std::istream &operator>>(std::istream &in, ChipConfig &cc);
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NEXTPNR_NAMESPACE_END
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#endif
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