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Add fstdata helper class

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Miodrag Milanovic 2022-01-26 10:23:38 +01:00
parent c811a71301
commit 8a02616465
3 changed files with 348 additions and 1 deletions
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kernel/fstdata.h Normal file
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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2022 Miodrag Milanovic <micko@yosyshq.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef FSTDATA_H
#define FSTDATA_H
#include "kernel/yosys.h"
#include "libs/fst/fstapi.h"
YOSYS_NAMESPACE_BEGIN
struct FstVar
{
fstHandle id;
std::string name;
bool is_alias;
std::string scope;
int width;
};
class FstData
{
public:
FstData(std::string filename);
~FstData();
uint64_t getStartTime();
uint64_t getEndTime();
std::vector<FstVar>& getVars() { return vars; };
void reconstruct_callback(uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t plen);
void reconstruct(std::vector<fstHandle> &signal);
void reconstuctAll();
void reconstruct_callback_attimes(uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t plen);
void reconstructAtTimes(std::vector<fstHandle> &signal,std::vector<uint64_t> time);
void reconstructAllAtTimes(std::vector<uint64_t> time);
std::string valueAt(fstHandle signal, uint64_t time);
std::vector<uint64_t> edges(fstHandle signal, bool positive, bool negative);
void recalc_time_offsets(fstHandle signal, std::vector<uint64_t> time);
fstHandle getHandle(std::string name);
private:
void extractVarNames();
struct fstReaderContext *ctx;
std::vector<std::string> scopes;
std::vector<FstVar> vars;
std::map<fstHandle, FstVar> handle_to_var;
std::map<std::string, fstHandle> name_to_handle;
std::map<fstHandle, std::vector<std::pair<uint64_t, std::string>>> handle_to_data;
std::map<fstHandle, std::map<uint64_t, size_t>> time_to_index;
std::map<fstHandle, std::map<size_t, uint64_t>> index_to_time;
std::vector<uint64_t> sample_times;
size_t sample_times_ndx;
std::map<fstHandle, std::string> current;
};
YOSYS_NAMESPACE_END
#endif