mirror of https://github.com/YosysHQ/yosys.git
85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2022 Miodrag Milanovic <micko@yosyshq.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 FSTDATA_H
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#define FSTDATA_H
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#include "kernel/yosys.h"
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#include "libs/fst/fstapi.h"
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YOSYS_NAMESPACE_BEGIN
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typedef std::function<void(uint64_t)> CallbackFunction;
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struct fst_end_of_data_exception { };
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struct FstVar
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{
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fstHandle id;
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std::string name;
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bool is_alias;
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bool is_reg;
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std::string scope;
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int width;
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};
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class FstData
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{
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public:
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FstData(std::string filename);
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~FstData();
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uint64_t getStartTime();
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uint64_t getEndTime();
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std::vector<FstVar>& getVars() { return vars; };
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void reconstruct_callback_attimes(uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t plen);
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void reconstructAllAtTimes(std::vector<fstHandle> &signal, uint64_t start_time, uint64_t end_time, CallbackFunction cb);
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std::string valueOf(fstHandle signal);
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fstHandle getHandle(std::string name);
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dict<int,fstHandle> getMemoryHandles(std::string name);
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double getTimescale() { return timescale; }
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const char *getTimescaleString() { return timescale_str.c_str(); }
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private:
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void extractVarNames();
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struct fstReaderContext *ctx;
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std::vector<FstVar> vars;
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std::map<fstHandle, FstVar> handle_to_var;
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std::map<std::string, fstHandle> name_to_handle;
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std::map<std::string, dict<int, fstHandle>> memory_to_handle;
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std::map<fstHandle, std::string> last_data;
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uint64_t last_time;
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std::map<fstHandle, std::string> past_data;
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uint64_t past_time;
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double timescale;
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std::string timescale_str;
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uint64_t start_time;
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uint64_t end_time;
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CallbackFunction callback;
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std::vector<fstHandle> clk_signals;
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bool all_samples;
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std::string tmp_file;
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};
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YOSYS_NAMESPACE_END
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#endif
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