mirror of
https://github.com/YosysHQ/yosys
synced 2025-10-31 03:32:29 +00:00
Add fstdata helper class
This commit is contained in:
Miodrag Milanovic
parent
c811a71301
commit
8a02616465
3 changed files with 348 additions and 1 deletions
265
kernel/fstdata.cc
Normal file
265
kernel/fstdata.cc
Normal file
|
|
@ -0,0 +1,265 @@
|
|||
/*
|
||||
* 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.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "kernel/fstdata.h"
|
||||
|
||||
USING_YOSYS_NAMESPACE
|
||||
|
||||
FstData::FstData(std::string filename) : ctx(nullptr)
|
||||
{
|
||||
ctx = (fstReaderContext *)fstReaderOpen(filename.c_str());
|
||||
extractVarNames();
|
||||
}
|
||||
|
||||
FstData::~FstData()
|
||||
{
|
||||
if (ctx)
|
||||
fstReaderClose(ctx);
|
||||
}
|
||||
|
||||
uint64_t FstData::getStartTime() { return fstReaderGetStartTime(ctx); }
|
||||
|
||||
uint64_t FstData::getEndTime() { return fstReaderGetEndTime(ctx); }
|
||||
|
||||
fstHandle FstData::getHandle(std::string name) {
|
||||
if (name_to_handle.find(name) != name_to_handle.end())
|
||||
return name_to_handle[name];
|
||||
else
|
||||
log("Not found key %s\n", name.c_str());
|
||||
return 0;
|
||||
};
|
||||
|
||||
static std::string remove_spaces(std::string str)
|
||||
{
|
||||
str.erase(std::remove(str.begin(), str.end(), ' '), str.end());
|
||||
return str;
|
||||
}
|
||||
|
||||
void FstData::extractVarNames()
|
||||
{
|
||||
struct fstHier *h;
|
||||
intptr_t snum = 0;
|
||||
|
||||
while ((h = fstReaderIterateHier(ctx))) {
|
||||
switch (h->htyp) {
|
||||
case FST_HT_SCOPE: {
|
||||
snum++;
|
||||
std::string fst_scope_name = fstReaderPushScope(ctx, h->u.scope.name, (void *)(snum));
|
||||
scopes.push_back(fst_scope_name);
|
||||
break;
|
||||
}
|
||||
case FST_HT_UPSCOPE: {
|
||||
fstReaderPopScope(ctx);
|
||||
snum = fstReaderGetCurrentScopeLen(ctx) ? (intptr_t)fstReaderGetCurrentScopeUserInfo(ctx) : 0;
|
||||
break;
|
||||
}
|
||||
case FST_HT_VAR: {
|
||||
FstVar var;
|
||||
var.id = h->u.var.handle;
|
||||
var.is_alias = h->u.var.is_alias;
|
||||
var.name = remove_spaces(h->u.var.name);
|
||||
var.scope = scopes.back();
|
||||
var.width = h->u.var.length;
|
||||
vars.push_back(var);
|
||||
if (!var.is_alias)
|
||||
handle_to_var[h->u.var.handle] = var;
|
||||
std::string clean_name;
|
||||
for(size_t i=0;i<strlen(h->u.var.name);i++)
|
||||
{
|
||||
char c = h->u.var.name[i];
|
||||
if(c==' ') break;
|
||||
clean_name += c;
|
||||
}
|
||||
//log("adding %s.%s\n",var.scope.c_str(), clean_name.c_str());
|
||||
|
||||
name_to_handle[var.scope+"."+clean_name] = h->u.var.handle;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void reconstruct_clb_varlen(void *user_data, uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t plen)
|
||||
{
|
||||
FstData *ptr = (FstData*)user_data;
|
||||
ptr->reconstruct_callback(pnt_time, pnt_facidx, pnt_value, plen);
|
||||
}
|
||||
|
||||
static void reconstruct_clb(void *user_data, uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value)
|
||||
{
|
||||
FstData *ptr = (FstData*)user_data;
|
||||
uint32_t plen = (pnt_value) ? strlen((const char *)pnt_value) : 0;
|
||||
ptr->reconstruct_callback(pnt_time, pnt_facidx, pnt_value, plen);
|
||||
}
|
||||
|
||||
void FstData::reconstruct_callback(uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t /* plen */)
|
||||
{
|
||||
handle_to_data[pnt_facidx].push_back(std::make_pair(pnt_time, std::string((const char *)pnt_value)));
|
||||
size_t index = handle_to_data[pnt_facidx].size() - 1;
|
||||
time_to_index[pnt_facidx][pnt_time] = index;
|
||||
index_to_time[pnt_facidx][index] = pnt_time;
|
||||
}
|
||||
|
||||
void FstData::reconstruct(std::vector<fstHandle> &signal)
|
||||
{
|
||||
handle_to_data.clear();
|
||||
time_to_index.clear();
|
||||
index_to_time.clear();
|
||||
fstReaderClrFacProcessMaskAll(ctx);
|
||||
for(const auto sig : signal)
|
||||
fstReaderSetFacProcessMask(ctx,sig);
|
||||
fstReaderIterBlocks2(ctx, reconstruct_clb, reconstruct_clb_varlen, this, nullptr);
|
||||
}
|
||||
|
||||
void FstData::reconstuctAll()
|
||||
{
|
||||
handle_to_data.clear();
|
||||
time_to_index.clear();
|
||||
index_to_time.clear();
|
||||
fstReaderSetFacProcessMaskAll(ctx);
|
||||
fstReaderIterBlocks2(ctx, reconstruct_clb, reconstruct_clb_varlen, this, nullptr);
|
||||
}
|
||||
|
||||
static void reconstruct_clb_varlen_attimes(void *user_data, uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t plen)
|
||||
{
|
||||
FstData *ptr = (FstData*)user_data;
|
||||
ptr->reconstruct_callback_attimes(pnt_time, pnt_facidx, pnt_value, plen);
|
||||
}
|
||||
|
||||
static void reconstruct_clb_attimes(void *user_data, uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value)
|
||||
{
|
||||
FstData *ptr = (FstData*)user_data;
|
||||
uint32_t plen = (pnt_value) ? strlen((const char *)pnt_value) : 0;
|
||||
ptr->reconstruct_callback_attimes(pnt_time, pnt_facidx, pnt_value, plen);
|
||||
}
|
||||
|
||||
void FstData::reconstruct_callback_attimes(uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t /* plen */)
|
||||
{
|
||||
if (sample_times_ndx > sample_times.size()) return;
|
||||
uint64_t time = sample_times[sample_times_ndx];
|
||||
// if we are past the timestamp
|
||||
if (pnt_time > time) {
|
||||
for (auto const& c : current)
|
||||
{
|
||||
handle_to_data[c.first].push_back(std::make_pair(time,c.second));
|
||||
size_t index = handle_to_data[c.first].size() - 1;
|
||||
time_to_index[c.first][time] = index;
|
||||
index_to_time[c.first][index] = time;
|
||||
}
|
||||
sample_times_ndx++;
|
||||
}
|
||||
// always update current
|
||||
current[pnt_facidx] = std::string((const char *)pnt_value);
|
||||
}
|
||||
|
||||
void FstData::reconstructAtTimes(std::vector<fstHandle> &signal, std::vector<uint64_t> time)
|
||||
{
|
||||
handle_to_data.clear();
|
||||
time_to_index.clear();
|
||||
index_to_time.clear();
|
||||
current.clear();
|
||||
sample_times_ndx = 0;
|
||||
sample_times = time;
|
||||
fstReaderClrFacProcessMaskAll(ctx);
|
||||
for(const auto sig : signal)
|
||||
fstReaderSetFacProcessMask(ctx,sig);
|
||||
fstReaderIterBlocks2(ctx, reconstruct_clb_attimes, reconstruct_clb_varlen_attimes, this, nullptr);
|
||||
|
||||
if (time_to_index[signal.back()].count(time.back())==0) {
|
||||
for (auto const& c : current)
|
||||
{
|
||||
handle_to_data[c.first].push_back(std::make_pair(time.back(),c.second));
|
||||
size_t index = handle_to_data[c.first].size() - 1;
|
||||
time_to_index[c.first][time.back()] = index;
|
||||
index_to_time[c.first][index] = time.back();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void FstData::reconstructAllAtTimes(std::vector<uint64_t> time)
|
||||
{
|
||||
handle_to_data.clear();
|
||||
time_to_index.clear();
|
||||
index_to_time.clear();
|
||||
current.clear();
|
||||
sample_times_ndx = 0;
|
||||
sample_times = time;
|
||||
fstReaderSetFacProcessMaskAll(ctx);
|
||||
fstReaderIterBlocks2(ctx, reconstruct_clb_attimes, reconstruct_clb_varlen_attimes, this, nullptr);
|
||||
/*
|
||||
if (time_to_index[signal.back()].count(time.back())==0) {
|
||||
for (auto const& c : current)
|
||||
{
|
||||
handle_to_data[c.first].push_back(std::make_pair(time.back(),c.second));
|
||||
size_t index = handle_to_data[c.first].size() - 1;
|
||||
time_to_index[c.first][time.back()] = index;
|
||||
index_to_time[c.first][index] = time.back();
|
||||
}
|
||||
}*/
|
||||
}
|
||||
|
||||
std::string FstData::valueAt(fstHandle signal, uint64_t time)
|
||||
{
|
||||
// TODO: Check if signal exist
|
||||
auto &data = handle_to_data[signal];
|
||||
if (time_to_index[signal].count(time)!=0) {
|
||||
size_t index = time_to_index[signal][time];
|
||||
return data.at(index).second;
|
||||
} else {
|
||||
size_t index = 0;
|
||||
for(size_t i = 0; i< data.size(); i++) {
|
||||
uint64_t t = index_to_time[signal][i];
|
||||
if (t > time)
|
||||
break;
|
||||
index = i;
|
||||
}
|
||||
return data.at(index).second;
|
||||
}
|
||||
}
|
||||
|
||||
std::vector<uint64_t> FstData::edges(fstHandle signal, bool positive, bool negative)
|
||||
{
|
||||
// TODO: Check if signal exist
|
||||
auto &data = handle_to_data[signal];
|
||||
std::string prev = "x";
|
||||
std::vector<uint64_t> retVal;
|
||||
for(auto &d : data) {
|
||||
if (positive && prev=="0" && d.second=="1")
|
||||
retVal.push_back(d.first);
|
||||
if (negative && prev=="1" && d.second=="0")
|
||||
retVal.push_back(d.first);
|
||||
prev = d.second;
|
||||
}
|
||||
return retVal;
|
||||
}
|
||||
|
||||
void FstData::recalc_time_offsets(fstHandle signal, std::vector<uint64_t> time)
|
||||
{
|
||||
size_t index = 0;
|
||||
auto &data = handle_to_data[signal];
|
||||
for(auto curr : time) {
|
||||
for(size_t i = index; i< data.size(); i++) {
|
||||
uint64_t t = index_to_time[signal][i];
|
||||
if (t > curr)
|
||||
break;
|
||||
index = i;
|
||||
}
|
||||
time_to_index[signal][curr] = index;
|
||||
}
|
||||
}
|
||||
79
kernel/fstdata.h
Normal file
79
kernel/fstdata.h
Normal file
|
|
@ -0,0 +1,79 @@
|
|||
/*
|
||||
* 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
|
||||
Loading…
Add table
Add a link
Reference in a new issue