deserialize
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folkert van heusden
parent
e0bbef778d
commit
859577479f
GPG key ID:
6B6455EDFEED3BD1
1 changed files with 71 additions and 43 deletions
104
main.cpp
104
main.cpp
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@ -298,6 +298,7 @@ void get_metrics(cpu *const c)
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void help()
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{
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printf("-h this help\n");
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printf("-D x deserialize state from file\n");
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printf("-T t.bin load file as a binary tape file (like simh \"load\" command), also for .BIC files\n");
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printf("-B run tape file as a unit test (for .BIC files)\n");
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printf("-R d.rk load file as a RK05 disk device\n");
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@ -372,14 +373,20 @@ int main(int argc, char *argv[])
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bool metrics = false;
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std::string deserialize;
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int opt = -1;
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while((opt = getopt(argc, argv, "hMT:Br:R:p:ndtL:bl:s:Q:N:J:XS:")) != -1)
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while((opt = getopt(argc, argv, "hD:MT:Br:R:p:ndtL:bl:s:Q:N:J:XS:")) != -1)
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{
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switch(opt) {
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case 'h':
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help();
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return 1;
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case 'D':
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deserialize = optarg;
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break;
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case 'M':
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metrics = true;
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break;
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@ -500,7 +507,10 @@ int main(int argc, char *argv[])
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if (validate_json.empty() == false)
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return run_cpu_validation(validate_json);
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bus *b = new bus();
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bus *b = nullptr;
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if (deserialize.empty()) {
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b = new bus();
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if (set_ram_size.has_value())
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b->set_memory_size(set_ram_size.value());
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@ -512,35 +522,6 @@ int main(int argc, char *argv[])
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cpu *c = new cpu(b, &event);
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b->add_cpu(c);
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std::atomic_bool interrupt_emulation { false };
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std::optional<uint16_t> bic_start;
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if (tape.empty() == false) {
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bic_start = loadTape(b, tape);
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if (bic_start.has_value() == false)
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return 1; // fail
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c->setRegister(7, bic_start.value());
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}
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if (sa_set)
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c->setRegister(7, start_addr);
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#if !defined(_WIN32)
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if (withUI)
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cnsl = new console_ncurses(&event, b);
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else
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#endif
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{
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DOLOG(info, true, "This PDP-11 emulator is called \"kek\" (reason for that is forgotten) and was written by Folkert van Heusden.");
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DOLOG(info, true, "Built on: " __DATE__ " " __TIME__);
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cnsl = new console_posix(&event, b);
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}
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if (rk05_files.empty() == false) {
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if (enable_bootloader == false)
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DOLOG(warning, true, "Note: loading RK05 with no (RK05-) bootloader selected");
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@ -562,13 +543,60 @@ int main(int argc, char *argv[])
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if (enable_bootloader)
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setBootLoader(b, bootloader);
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running = cnsl->get_running_flag();
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tty *tty_ = new tty(cnsl, b);
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b->add_tty(tty_);
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}
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else {
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FILE *fh = fopen(deserialize.c_str(), "r");
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if (!fh)
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error_exit(true, "Failed to open %s", deserialize.c_str());
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DOLOG(info, true, "Start running at %06o", c->getRegister(7));
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json_error_t je { };
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json_t *j = json_loadf(fh, 0, &je);
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fclose(fh);
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if (!j)
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error_exit(true, "State file %s is corrupt: %s", deserialize.c_str(), je.text);
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b = bus::deserialize(j, cnsl, &event);
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json_decref(j);
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}
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running = cnsl->get_running_flag();
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std::atomic_bool interrupt_emulation { false };
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std::optional<uint16_t> bic_start;
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if (tape.empty() == false) {
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bic_start = loadTape(b, tape);
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if (bic_start.has_value() == false)
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return 1; // fail
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b->getCpu()->setRegister(7, bic_start.value());
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}
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if (sa_set)
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b->getCpu()->setRegister(7, start_addr);
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#if !defined(_WIN32)
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if (withUI)
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cnsl = new console_ncurses(&event, b);
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else
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#endif
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{
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DOLOG(info, true, "This PDP-11 emulator is called \"kek\" (reason for that is forgotten) and was written by Folkert van Heusden.");
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DOLOG(info, true, "Built on: " __DATE__ " " __TIME__);
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cnsl = new console_posix(&event, b);
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}
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DOLOG(info, true, "Start running at %06o", b->getCpu()->getRegister(7));
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#if !defined(_WIN32)
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struct sigaction sa { };
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@ -588,7 +616,7 @@ int main(int argc, char *argv[])
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std::thread *metrics_thread = nullptr;
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if (metrics)
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metrics_thread = new std::thread(get_metrics, c);
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metrics_thread = new std::thread(get_metrics, b->getCpu());
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cnsl->start_thread();
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@ -599,13 +627,13 @@ int main(int argc, char *argv[])
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else if (run_debugger || (bootloader == BL_NONE && test.empty() && tape.empty()))
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debugger(cnsl, b, &event, tracing);
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else {
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c->emulation_start(); // for statistics
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b->getCpu()->emulation_start(); // for statistics
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for(;;) {
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*running = true;
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while(event == EVENT_NONE)
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c->step();
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b->getCpu()->step();
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*running = false;
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@ -615,7 +643,7 @@ int main(int argc, char *argv[])
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break;
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}
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auto stats = c->get_mips_rel_speed({ }, { });
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auto stats = b->getCpu()->get_mips_rel_speed({ }, { });
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cnsl->put_string_lf(format("MIPS: %.2f, relative speed: %.2f%%, instructions executed: %" PRIu64 " in %.2f seconds", std::get<0>(stats), std::get<1>(stats), std::get<2>(stats), std::get<3>(stats) / 1000000.));
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}
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