4 #include <boost/tokenizer.hpp>
5 #include <boost/program_options.hpp>
6 #include <boost/lexical_cast.hpp>
11 #include <boost/function.hpp>
12 #include <boost/functional.hpp>
13 #include <boost/tuple/tuple.hpp>
17 #include "CInstrFactory.hpp"
18 #include "uint32_from_hex.hpp"
20 #include "SReadline/SReadline.h"
21 using namespace swift;
23 #define RAM_END (1000)
24 #define PROG_END (1000)
25 #define REG_COUNT (16)
27 typedef boost::function<void (const vector<string> &)> Func;
28 typedef boost::tuple<string, Func, string> CompleterElement;
30 typedef list<CompleterElement> MyCompleterContainer;
35 // Creates a functor and memorises tokens
36 LookupFunctor(const vector<string>& tokens) : Tokens(tokens) {}
38 // Compares the first token only
39 bool operator()(const CompleterElement& ele) const
41 return (strncmp(Tokens.begin()->c_str(), ele.get<0>().c_str(), Tokens.begin()->size()) == 0);
45 const vector<string> &Tokens;
54 const MyCompleterContainer &m_completers;
57 CHelpExec(const MyCompleterContainer &cont) : m_completers(cont) {}
59 void operator() (const vector<string>&)
61 cout << "Available commands: " << endl;
62 for(auto iter = m_completers.begin(); iter != m_completers.end(); ++iter) {
63 cout << setw(19) << setfill(' ') << (*iter).get<0>() << ": " << (*iter).get<2>() << endl;
68 void close_prog(const std::vector<std::string> &);
72 CCpu* global_cpu = NULL;
74 vector<CDat> breakpoints;
76 bool ignoreBreak = false;
78 void doExit(const vector<string>&)
83 unsigned int convertStringToNum(const std::string& in)
85 if(in.substr(0,2) == "0x") {
86 return lexical_cast<uint32_from_hex>(in);
89 return lexical_cast<unsigned int>(in);
94 void execStep(const vector<string>& in)
99 count = convertStringToNum(in.back());
102 cerr << "given parameter to step is not a number" << endl;
107 auto breakp = find(breakpoints.begin(), breakpoints.end(), global_cpu->getNextPC());
108 if(breakp == breakpoints.end() || ignoreBreak) {
114 cout << "Breakpoint 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
118 catch(std::string& e) {
125 void execRun(const vector<string>&)
129 auto breakp = find(breakpoints.begin(), breakpoints.end(), global_cpu->getNextPC());
130 if(breakp == breakpoints.end() || ignoreBreak) {
136 cout << "Breakpoint 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
140 catch(std::string& e) {
147 void setPC(const vector<string>& in)
152 addr = convertStringToNum(in.back());
155 cerr << "given parameter is not a number" << endl;
159 global_cpu->setNextPC(addr);
160 cout << "Set programcounter to 0x" << std::hex << setw(8) << setfill('0') << addr << std::dec << endl;
164 void printReg(const vector<string>& in)
166 int i, start = 0, end = REG_COUNT-1;
173 start = convertStringToNum(in[1]);
174 if(start < 0 || start > (REG_COUNT-1)) {
175 cerr << "start is out of range" << endl;
181 cerr << "given parameter is not a number" << endl;
188 end = convertStringToNum(in[2]);
189 if(start > end || end > (REG_COUNT-1)) {
190 cerr << "end is out of range or smaller than start" << endl;
195 cerr << "given parameter is not a number" << endl;
200 for(i = start; i <= end; i++) {
201 cout << setw(2) << setfill('0') << i << ": 0x";
202 cout << std::hex << setw(8) << setfill('0') << global_cpu->getRegister(i) << " ";
203 cout << std::dec << setw(10) << setfill(' ') << global_cpu->getRegister(i) << " ";
204 cout << std::dec << setw(10) << setfill(' ') << (int)global_cpu->getRegister(i) << endl;
208 void setReg(const vector<string>& in)
215 reg = convertStringToNum(in[1]);
216 if(reg < 0 || reg > (REG_COUNT-1)) {
217 cerr << "register is out of range" << endl;
221 val = convertStringToNum(in[2]);
223 cout << "Setting register " << reg << " to 0x" << std::hex << setw(8) << setfill('0') << val << std::dec << endl;
224 global_cpu->setRegister(reg,val);
227 cerr << "given parameter is not a number" << endl;
233 void printRAM(const vector<string>& in)
235 int i, start = 0, end = 15;
242 start = convertStringToNum(in[1]);
243 if(start < 0 || start > (RAM_END-1)) {
244 cerr << "start is out of range" << endl;
247 start = (start & (~(BYTE_COUNT-1))) / BYTE_COUNT;
251 cerr << "given parameter is not a number" << endl;
258 end = convertStringToNum(in[2]);
259 if(start > end || end > (RAM_END-1)) {
260 cerr << "end is out of range or smaller than start" << endl;
263 if(end % BYTE_COUNT != 0) {
264 end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT)+1;
267 end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT);
271 cerr << "given parameter is not a number" << endl;
275 for(i = start*BYTE_COUNT; i <= end*BYTE_COUNT; i += BYTE_COUNT) {
276 cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": 0x";
277 cout << std::hex << setw(8) << setfill('0') << global_cpu->getRAM(i) << " ";
278 cout << std::dec << setw(10) << setfill(' ') << global_cpu->getRAM(i) << " ";
279 cout << std::dec << setw(10) << setfill(' ') << (int)global_cpu->getRAM(i) << endl;
283 void setRam(const vector<string>& in)
290 addr = convertStringToNum(in[1]);
291 if(addr < 0 || addr > (RAM_END-1)) {
292 cerr << "RAM-Address is out of range" << endl;
296 addr = (addr & (~(BYTE_COUNT-1))) / BYTE_COUNT;
297 val = convertStringToNum(in[2]);
301 cout << "Setting RAM-Address 0x" << std::hex << setw(8) << setfill('0') << addr;
302 cout << " to 0x" << setw(8) << setfill('0') << val << std::dec << endl;
303 global_cpu->setRAM(addr,val);
306 cerr << "given parameter is not a number" << endl;
311 void printPROG(const vector<string>& in)
313 int i, start = 0, end = 15;
318 if(in.size() >= 2 && in[1][0] == 'c') {
319 start = global_cpu->getCurPC() / BYTE_COUNT;
322 else if(in.size() >= 2) {
324 start = convertStringToNum(in[1]);
325 if(start < 0 || start > (PROG_END-1)) {
326 cerr << "start is out of range" << endl;
329 start = (start & (~(BYTE_COUNT-1))) / BYTE_COUNT;
333 cerr << "given parameter is not a number" << endl;
340 end = convertStringToNum(in[2]);
341 if(start > end || end > (PROG_END-1)) {
342 cerr << "end is out of range or smaller than start" << endl;
345 if(end % BYTE_COUNT != 0) {
346 end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT)+1;
349 end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT);
354 cerr << "given parameter is not a number" << endl;
360 for(i = start*BYTE_COUNT; i <= end*BYTE_COUNT; i += BYTE_COUNT) {
361 Iinstr* pi = global_cpu->getProg(i);
363 cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": NOP" << endl;
366 cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": " << std::dec << pi->toString() << endl;
371 void setBreak(const vector<string>& in)
373 unsigned int addr = 0;
376 addr = convertStringToNum(in.back());
377 breakpoints.push_back(addr);
378 cout << "Breakpoint 0x" << std::hex << setw(8) << setfill('0') << addr << std::dec << " set" << endl;
381 cerr << "Given parameter is not a valid address" << endl;
385 cerr << "Invalid parameter count!" << endl;
389 void listBreaks(const vector<string>&)
391 for(auto iter = breakpoints.begin(); iter != breakpoints.end(); ++iter) {
392 cout << "Breakpoint at 0x" << std::hex << setw(8) << setfill('0') << *iter << std::dec << endl;
396 void printStatus(const vector<string>&)
398 CDat stackp = global_cpu->getStack();
399 CDat stackd = global_cpu->getRAM(stackp);
400 cout << "Stack pointer: 0x" << std::hex << setw(8) << setfill('0') << stackp << " @stackpointer: 0x" << setw(8) << stackd << std::dec << " (" << stackd << ")" << endl;
401 cout << "PSW: 0x" << std::hex << setw(8) << setfill('0') << global_cpu->getFlags() << std::dec << endl;
402 cout << "cur PC: 0x" << std::hex << setw(8) << setfill('0') << global_cpu->getCurPC() << " next PC: 0x" << setw(8) << setfill('0') << global_cpu->getNextPC() << std::dec << endl;
406 using boost::lexical_cast;
407 using boost::bad_lexical_cast;
411 using namespace boost::program_options;
412 namespace po = boost::program_options;
414 std::string progName;
416 int main(int argc, char* argv[])
421 po::options_description desc("Allowed options");
423 ("help,h","produce help message")
424 ("file,f",value<string>(), "input file")
427 po::positional_options_description p;
430 po::variables_map vm;
431 po::store(po::command_line_parser(argc, argv).options(desc).positional(p).run(), vm);
434 if(vm.count("help")) {
435 cout << desc << endl;
439 if(vm.count("file")) {
441 cout << "going to open file " << vm["file"].as<string>() << endl;
443 inFile.open(vm["file"].as<string>(), ios::in);
445 cerr << "Error opening file " << vm["file"].as<string>() << endl;
450 cout << "not input file given!" << endl << endl;
451 cout << desc << endl;
455 catch(std::exception& ex) {
456 cout << ex.what() << endl;
460 string dir = "./instr/";
462 map<short, Iinstr*> instr;
464 CInstrFactory instrFab;
466 instrFab.loadLibsIntoMap(instr, dir);
468 catch(std::bad_alloc& e) {
469 cerr << progName << ": bad_alloc caught " << e.what() << endl;
472 catch(std::string& s) {
473 cerr << progName << ": " << s << endl;
477 CCpu cpu(REG_COUNT, RAM_END, PROG_END);
481 Iinstr::setCPU(&cpu);
484 std::string str = "";
486 boost::char_separator<char> sep(";", "", boost::keep_empty_tokens);
487 boost::tokenizer<boost::char_separator<char> > tokens(str, sep);
488 disasm disasm(instr);
489 while(getline(inFile, str)) {
494 for(auto tok_iter = tokens.begin(); tok_iter != tokens.end(); ++tok_iter) {
495 if(tok_iter == tokens.begin()) {
497 type = lexical_cast<int>(*tok_iter);
501 catch(bad_lexical_cast &) {
510 addr = lexical_cast<uint32_from_hex>(*tok_iter);
512 catch(bad_lexical_cast& e) {
513 cerr << e.what() << endl;
517 else if(count == 2) {
519 CDat data = lexical_cast<uint32_from_hex>(*tok_iter);
520 cpu.setRAM(addr, data);
522 catch(bad_lexical_cast& e) {
523 cerr << e.what() << endl;
531 addr = lexical_cast<uint32_from_hex>(*tok_iter);
533 catch(bad_lexical_cast& e) {
534 cerr << e.what() << endl;
538 else if(count == 2) {
539 Iinstr *pi = disasm.decode(*tok_iter);
540 cpu.setProg(addr, pi);
545 cerr << "ignoring labels and comments for now" << endl;
548 cerr << "i was to lazy to implement the other format types for now" << endl;
558 for(int i = 0; i <= 32; i += 4) {
559 Iinstr *pinstr = cpu.getProg(i);
561 cout << i << " : " << std::hex << i << std::dec << " " << pinstr->toString() << endl;
564 cout << "Null at " << i << " : " << std::hex << i << endl;
568 for(int i = 0; i <= 32; i += 4) {
569 CDat data = cpu.getRAM(i);
570 cout << i << " : " << std::hex << i << std::dec << " " << data << endl;
573 cpu.setRegister(1, 4);
574 cpu.setRegister(2, 0);
576 cpu.setRAM(4,0x66334455);
580 // following: job of the bootloader
583 //set return to nowhere for ret
588 MyCompleterContainer Completers;
590 CHelpExec HelpExec(Completers);
592 Completers.push_back(CompleterElement("help", boost::bind1st( boost::mem_fun( &CHelpExec::operator()), &HelpExec), "Prints this message"));
593 Completers.push_back(CompleterElement("quit", &doExit, "Exits program"));
594 Completers.push_back(CompleterElement("exit", &doExit, "Exits program"));
595 Completers.push_back(CompleterElement("step [count]",&execStep, "Runs [count] ticks. if count is not given one tick is executed."));
596 Completers.push_back(CompleterElement("dreg [s] [e]",&printReg, "Prints registers. if s is given, only register s is printed. if s and e are given the registers from s to e are printed. if omitted all registers a printed."));
597 Completers.push_back(CompleterElement("ddata [s] [e]",&printRAM, "Prints RAM. if s is given, only RAM-Addr. s is printed. if s and e are given the RAM-Addrs from s to e are printed. if omitted the first 16 RAM-Addrs are printed."));
598 Completers.push_back(CompleterElement("dprog [s] [e]",&printPROG, "Prints program. if s is given, only Prog-Addr. s is printed. if s and e are given the Prog-Addrs from s to e are printed. if omitted the first 16 Prog-Addrs are printed."));
599 Completers.push_back(CompleterElement("break addr",&setBreak, "Sets a breakpoint for address addr."));
600 Completers.push_back(CompleterElement("listbreaks",&listBreaks, "Lists all breakpoints."));
601 Completers.push_back(CompleterElement("run",&execRun, "Runs till next breakpoint or end of program."));
602 Completers.push_back(CompleterElement("setpc [num]",&setPC, "Sets PC to num. if num is omitted 0 is used."));
603 Completers.push_back(CompleterElement("setreg [s] [num]",&setReg, "Sets Register s to num."));
604 Completers.push_back(CompleterElement("setdata [s] [num]",&setRam, "Sets RAM-Addr s to num."));
605 Completers.push_back(CompleterElement("status",&printStatus, "Prints status of CPU."));
607 Reader.RegisterCompletions(Completers);
610 vector<string> Tokens, lastTokens;
611 bool EndOfInput = false;
613 //tilab g++44 doesn't like auto here
614 MyCompleterContainer::iterator Found(Completers.end());
616 Func lastFunc = NULL;
620 UserInput = Reader.GetLine("> ", Tokens, EndOfInput);
625 if(!Tokens.empty()) {
626 Found = find_if(Completers.begin(), Completers.end(), LookupFunctor(Tokens));
628 if(Found != Completers.end()) {
629 if((*Found).get<1>() != 0) {
630 lastFunc = (*Found).get<1>();
633 //(*Found).get<1>()(Tokens);
638 cout << "Unknown command. 'help' displays help" << endl;
642 if(lastFunc != NULL) {
643 lastFunc(lastTokens);
646 cout << "Unknown command. 'help' displays help" << endl;
653 for(int i = 0; ; i++) {
656 cout << " reg0: " << cpu.getRegister(0) << " reg1: " << cpu.getRegister(1);
657 cout << " reg2: " << cpu.getRegister(2) << " reg3: " << cpu.getRegister(3);
658 cout << " reg4: " << cpu.getRegister(4) << " reg5: " << cpu.getRegister(5);
659 cout << endl << endl;