mirror of
https://github.com/davidgiven/fluxengine.git
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89688394f8
This allows us to remove all the SQL stuff from the main program, and restores the ability to upgrade from version 2 SQL files.
82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
#include "globals.h"
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#include "flags.h"
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#include "fluxmap.h"
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#include "bytes.h"
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#include "protocol.h"
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#include "fluxsink/fluxsink.h"
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#include "decoders/fluxmapreader.h"
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#include "lib/fluxsink/fluxsink.pb.h"
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#include "proto.h"
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#include "fmt/format.h"
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#include <fstream>
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#include <sys/stat.h>
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#include <sys/types.h>
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class VcdFluxSink : public FluxSink
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{
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public:
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VcdFluxSink(const VcdFluxSinkProto& config):
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_config(config)
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{}
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public:
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void writeFlux(int cylinder, int head, Fluxmap& fluxmap)
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{
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mkdir(_config.directory().c_str(), 0744);
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std::ofstream of(
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fmt::format("{}/c{:02d}.h{:01d}.vcd", _config.directory(), cylinder, head),
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std::ios::out | std::ios::binary);
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if (!of.is_open())
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Error() << "cannot open output file";
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of << "$timescale 1ns $end\n"
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<< "$var wire 1 i index $end\n"
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<< "$var wire 1 p pulse $end\n"
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<< "$upscope $end\n"
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<< "$enddefinitions $end\n"
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<< "$dumpvars 0i 0p $end\n";
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FluxmapReader fmr(fluxmap);
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unsigned timestamp = 0;
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unsigned lasttimestamp = 0;
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while (!fmr.eof())
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{
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unsigned ticks;
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int event;
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fmr.getNextEvent(event, ticks);
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if (fmr.eof())
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break;
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unsigned newtimestamp = timestamp + ticks;
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if (newtimestamp != lasttimestamp)
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{
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of << fmt::format("\n#{} 0i 0p\n", (uint64_t)((lasttimestamp+1) * NS_PER_TICK));
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timestamp = newtimestamp;
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of << fmt::format("#{} ", (uint64_t)(timestamp * NS_PER_TICK));
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}
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if (event & F_BIT_PULSE)
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of << "1p ";
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if (event & F_BIT_INDEX)
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of << "1i ";
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lasttimestamp = timestamp;
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}
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of << "\n";
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}
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operator std::string () const
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{
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return fmt::format("vcd({})", _config.directory());
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}
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private:
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const VcdFluxSinkProto& _config;
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};
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std::unique_ptr<FluxSink> FluxSink::createVcdFluxSink(const VcdFluxSinkProto& config)
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{
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return std::unique_ptr<FluxSink>(new VcdFluxSink(config));
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}
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