#include "SReadline/SReadline.h"
using namespace swift;
+#define RAM_END (0x3000)
+#define PROG_END (0x3000)
+#define REG_COUNT (16)
+
typedef boost::function<void (const vector<string> &)> Func;
-typedef boost::tuple<string, Func> CompleterElement;
+typedef boost::tuple<string, Func, string> CompleterElement;
typedef list<CompleterElement> MyCompleterContainer;
{
cout << "Available commands: " << endl;
for(auto iter = m_completers.begin(); iter != m_completers.end(); ++iter) {
- cout << (*iter).get<0>() << endl;
+ cout << setw(19) << setfill(' ') << (*iter).get<0>() << ": " << (*iter).get<2>() << endl;
}
}
};
void close_prog(const std::vector<std::string> &);
CCpu* Iinstr::m_cpu;
+disasm* Iinstr::m_disasm;
CCpu* global_cpu = NULL;
+vector<CDat> breakpoints;
+
+#include <map>
+
+multimap<int,string> dataCommentsStore, progCommentsStore, dataLabelStore, progLabelStore;
+map<int,string> dataLineCommentStore, progLineCommentStore;
+
+bool ignoreBreak = false;
+
+bool exitProg = false;
+
void doExit(const vector<string>&)
{
- exit(EXIT_SUCCESS);
+ exitProg = true;
}
+unsigned int convertStringToNum(const std::string& in)
+{
+ if(in.substr(0,2) == "0x") {
+ return lexical_cast<uint32_from_hex>(in);
+ }
+ else {
+ return lexical_cast<unsigned int>(in);
+ }
+}
+
+
void execStep(const vector<string>& in)
{
int count = 1;
if(in.size() == 2) {
try {
- count = lexical_cast<int>(in.back());
+ count = convertStringToNum(in.back());
}
catch(bad_cast&) {
cerr << "given parameter to step is not a number" << endl;
}
while(count > 0) {
try {
- global_cpu->tick();
+ auto breakp = find(breakpoints.begin(), breakpoints.end(), global_cpu->getNextPC());
+ if(breakp == breakpoints.end() || ignoreBreak) {
+ global_cpu->tick();
+ ignoreBreak = false;
+ }
+ else {
+ ignoreBreak = true;
+ cout << color(white,red) << "Breakpoint" << color(white,black) << " 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
+ break;
+ }
}
catch(std::string& e) {
cerr << e << endl;
}
}
-void printReg(const vector<string>&)
+void execRun(const vector<string>&)
{
- int i, start = 0, end = 15;
+ while(1) {
+ try {
+ auto breakp = find(breakpoints.begin(), breakpoints.end(), global_cpu->getNextPC());
+ if(breakp == breakpoints.end() || ignoreBreak) {
+ global_cpu->tick();
+ ignoreBreak = false;
+ }
+ else {
+ ignoreBreak = true;
+ cout << color(white,red) << "Breakpoint" << color(white,black) << " 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
+ return;
+ }
+ }
+ catch(std::string& e) {
+ cerr << e << endl;
+ return;
+ }
+ }
+}
+
+void setPC(const vector<string>& in)
+{
+ CDat addr = 0;
+ if(in.size() == 2) {
+ try {
+ addr = convertStringToNum(in.back());
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+ global_cpu->setNextPC(addr);
+ cout << "Set programcounter to 0x" << std::hex << setw(8) << setfill('0') << addr << std::dec << endl;
+}
+
+
+void printReg(const vector<string>& in)
+{
+ int i, start = 0, end = REG_COUNT-1;
/* Todo:
* 1) make 2 columns
- * 2) let use select registers to show (one register, range of registers)
*/
+
+ if(in.size() >= 2) {
+ try {
+ start = convertStringToNum(in[1]);
+ if(start < 0 || start > (REG_COUNT-1)) {
+ cerr << "start is out of range" << endl;
+ return;
+ }
+ end = start;
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+
+ if(in.size() >= 3) {
+ try {
+ end = convertStringToNum(in[2]);
+ if(start > end || end > (REG_COUNT-1)) {
+ cerr << "end is out of range or smaller than start" << endl;
+ return;
+ }
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
for(i = start; i <= end; i++) {
- cout << setw(2) << i << ": 0x" << std::hex << setw(8) << setfill('0') << global_cpu->getRegister(i) << std::dec << endl;
+ cout << setw(2) << setfill('0') << i << ": 0x";
+ cout << std::hex << setw(8) << setfill('0') << global_cpu->getRegister(i) << " ";
+ cout << std::dec << setw(10) << setfill(' ') << global_cpu->getRegister(i) << " ";
+ cout << std::dec << setw(10) << setfill(' ') << (int)global_cpu->getRegister(i) << endl;
+ }
+}
+
+void setReg(const vector<string>& in)
+{
+ int reg = 0;
+ CDat val = 0;
+
+ if(in.size() >= 3) {
+ try {
+ reg = convertStringToNum(in[1]);
+ if(reg < 0 || reg > (REG_COUNT-1)) {
+ cerr << "register is out of range" << endl;
+ return;
+ }
+
+ val = convertStringToNum(in[2]);
+
+ cout << "Setting register " << reg << " to 0x" << std::hex << setw(8) << setfill('0') << val << std::dec << endl;
+ global_cpu->setRegister(reg,val);
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+}
+
+void printRAM(const vector<string>& in)
+{
+ int i, start = 0, end = 15;
+ /* Todo:
+ * 1) make 2 columns
+ */
+
+ if(in.size() >= 2) {
+ try {
+ start = convertStringToNum(in[1]);
+ if(start < 0 || start > (RAM_END-1)) {
+ cerr << "start is out of range" << endl;
+ return;
+ }
+ start = (start & (~(BYTE_COUNT-1))) / BYTE_COUNT;
+ end = start;
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+
+ if(in.size() >= 3) {
+ try {
+ end = convertStringToNum(in[2]);
+ if(start > end || end > (RAM_END-1)) {
+ cerr << "end is out of range or smaller than start" << endl;
+ return;
+ }
+ if(end % BYTE_COUNT != 0) {
+ end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT)+1;
+ }
+ else {
+ end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT);
+ }
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+ for(i = start*BYTE_COUNT; i <= end*BYTE_COUNT; i += BYTE_COUNT) {
+ {
+ auto range = dataLabelStore.equal_range(i);
+ for(auto iter = range.first; iter != range.second; ++iter) {
+ cout << color(yellow,black) << iter->second << ":" << color(white,black) << endl;
+ }
+ }
+ {
+ auto range = dataCommentsStore.equal_range(i);
+ for(auto iter = range.first; iter != range.second; ++iter) {
+ cout << color(blue,black) << ";" << iter->second << color(white,black) << endl;
+ }
+ }
+ cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": 0x";
+ cout << std::hex << setw(8) << setfill('0') << global_cpu->getRAM(i) << " ";
+ cout << std::dec << setw(10) << setfill(' ') << global_cpu->getRAM(i) << " ";
+ cout << std::dec << setw(10) << setfill(' ') << (int)global_cpu->getRAM(i);
+
+ auto iter = dataLineCommentStore.find(i);
+ if(iter != dataLineCommentStore.end()) {
+ cout << color(blue,black) << " ;" << iter->second << color(white,black);
+ }
+ cout << endl;
+
}
}
+void setRam(const vector<string>& in)
+{
+ int addr = 0;
+ CDat val = 0;
+
+ if(in.size() >= 3) {
+ try {
+ addr = convertStringToNum(in[1]);
+ if(addr < 0 || addr > (RAM_END-1)) {
+ cerr << "RAM-Address is out of range" << endl;
+ return;
+ }
+
+ addr = (addr & (~(BYTE_COUNT-1))) / BYTE_COUNT;
+ val = convertStringToNum(in[2]);
+
+ addr *= BYTE_COUNT;
+
+ cout << "Setting RAM-Address 0x" << std::hex << setw(8) << setfill('0') << addr;
+ cout << " to 0x" << setw(8) << setfill('0') << val << std::dec << endl;
+ global_cpu->setRAM(addr,val);
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+}
+void printPROG(const vector<string>& in)
+{
+ int i, start = 0, end = 15;
+ /* Todo:
+ * 1) make 2 columns
+ */
+
+ if(in.size() >= 2 && in[1][0] == 'c') {
+ start = global_cpu->getCurPC() / BYTE_COUNT;
+ end = start + 9;
+ }
+ else if(in.size() >= 2) {
+ try {
+ start = convertStringToNum(in[1]);
+ if(start < 0 || start > (PROG_END-1)) {
+ cerr << "start is out of range" << endl;
+ return;
+ }
+ start = (start & (~(BYTE_COUNT-1))) / BYTE_COUNT;
+ end = start;
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+
+ if(in.size() >= 3) {
+ try {
+ end = convertStringToNum(in[2]);
+ if(start > end || end > (PROG_END-1)) {
+ cerr << "end is out of range or smaller than start" << endl;
+ return;
+ }
+ if(end % BYTE_COUNT != 0) {
+ end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT)+1;
+ }
+ else {
+ end = ((end & (~(BYTE_COUNT-1))) / BYTE_COUNT);
+ }
+
+ }
+ catch(bad_cast&) {
+ cerr << "given parameter is not a number" << endl;
+ return;
+ }
+ }
+
+
+ for(i = start*BYTE_COUNT; i <= end*BYTE_COUNT; i += BYTE_COUNT) {
+ {
+ auto range = progLabelStore.equal_range(i);
+ for(auto iter = range.first; iter != range.second; ++iter) {
+ cout << color(yellow,black) << iter->second << ":" << color(white,black) << endl;
+ }
+ }
+ {
+ auto range = progCommentsStore.equal_range(i);
+ for(auto iter = range.first; iter != range.second; ++iter) {
+ cout << color(blue,black) << ";" << iter->second << color(white,black) << endl;
+ }
+ }
+
+ Iinstr* pi = global_cpu->getProg(i);
+ if(pi == NULL) {
+ cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": NOP";
+ }
+ else {
+ cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": " << std::dec << pi->toString();
+ }
+ auto iter = progLineCommentStore.find(i);
+ if(iter != progLineCommentStore.end()) {
+ cout << color(blue,black) << " ;" << iter->second << color(white,black);
+ }
+ cout << endl;
+ }
+}
+
+void setBreak(const vector<string>& in)
+{
+ unsigned int addr = 0;
+ if(in.size() == 2) {
+ try {
+ addr = convertStringToNum(in.back());
+ breakpoints.push_back(addr);
+ cout << "Breakpoint 0x" << std::hex << setw(8) << setfill('0') << addr << std::dec << " set" << endl;
+ }
+ catch(bad_cast&) {
+ cerr << "Given parameter is not a valid address" << endl;
+ }
+ }
+ else {
+ cerr << "Invalid parameter count!" << endl;
+ }
+}
+
+void listBreaks(const vector<string>&)
+{
+ for(auto iter = breakpoints.begin(); iter != breakpoints.end(); ++iter) {
+ cout << "Breakpoint at 0x" << std::hex << setw(8) << setfill('0') << *iter << std::dec << endl;
+ }
+}
+
+void getPerf(const vector<string>&)
+{
+ cout << "current perfcounter is " << std::dec << global_cpu->getPerf() << endl;
+}
+
+void resetPerf(const vector<string>&)
+{
+ cout << "reset perfcounter" << endl;
+ global_cpu->setPerf(0);
+}
+
+void printStatus(const vector<string>&)
+{
+ CDat stackp = global_cpu->getStack();
+ CDat stackd = global_cpu->getRAM(stackp);
+ cout << "Stack pointer: 0x" << std::hex << setw(8) << setfill('0') << stackp << " @stackpointer: 0x" << setw(8) << stackd << std::dec << " (" << stackd << ")" << endl;
+ cout << "PSW: 0x" << std::hex << setw(8) << setfill('0') << global_cpu->getFlags() << std::dec << endl;
+ 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;
+
+}
using boost::lexical_cast;
using boost::bad_lexical_cast;
exit(EXIT_FAILURE);
}
- CCpu cpu(16,1000,1000);
+ CCpu cpu(REG_COUNT, RAM_END, PROG_END);
global_cpu = &cpu;
Iinstr::setCPU(&cpu);
+ disasm disasm(instr);
+
+ Iinstr::setDisasm(&disasm);
+ vector<string> commentDefer;
+ vector<string> labelDefer;
std::string str = "";
int addr = 0;
boost::char_separator<char> sep(";", "", boost::keep_empty_tokens);
boost::tokenizer<boost::char_separator<char> > tokens(str, sep);
- disasm disasm(instr);
while(getline(inFile, str)) {
int count = 0;
tokens.assign(str);
if(count == 1) {
try {
addr = lexical_cast<uint32_from_hex>(*tok_iter);
+ for(unsigned int i = 0; i < commentDefer.size(); i++) {
+ dataCommentsStore.insert(pair<int,string>(addr, commentDefer.at(i)));
+ }
+ for(unsigned int i = 0; i < labelDefer.size(); i++) {
+ dataLabelStore.insert(pair<int,string>(addr, labelDefer.at(i)));
+ }
+
+ commentDefer.clear();
+ labelDefer.clear();
}
catch(bad_lexical_cast& e) {
cerr << e.what() << endl;
exit(EXIT_FAILURE);
}
}
+ else if(count == 4) {
+ if((*tok_iter).size() > 0) {
+ dataLabelStore.insert(pair<int,string>(addr, *tok_iter));
+ }
+ }
+ else if(count == 5) {
+ if((*tok_iter).size() > 0) {
+ dataLineCommentStore.insert(pair<int,string>(addr, *tok_iter));
+ }
+ }
break;
case 1:
if(count == 1) {
try {
addr = lexical_cast<uint32_from_hex>(*tok_iter);
+ for(unsigned int i = 0; i < commentDefer.size(); i++) {
+ progCommentsStore.insert(pair<int,string>(addr, commentDefer.at(i)));
+ }
+ for(unsigned int i = 0; i < labelDefer.size(); i++) {
+ progLabelStore.insert(pair<int,string>(addr, labelDefer.at(i)));
+ }
+
+ commentDefer.clear();
+ labelDefer.clear();
}
catch(bad_lexical_cast& e) {
cerr << e.what() << endl;
Iinstr *pi = disasm.decode(*tok_iter);
cpu.setProg(addr, pi);
}
+ else if(count == 4) {
+ if((*tok_iter).size() > 0) {
+ progLabelStore.insert(pair<int,string>(addr, *tok_iter));
+ }
+ }
+ else if(count == 5) {
+ if((*tok_iter).size() > 0) {
+ progLineCommentStore.insert(pair<int,string>(addr, *tok_iter));
+ }
+ }
+
break;
case 2:
+ if((*tok_iter).size() > 0) {
+ commentDefer.push_back(*tok_iter);
+ }
+ break;
case 3:
- cerr << "ignoring labels and comments for now" << endl;
+ if((*tok_iter).size() > 0) {
+ labelDefer.push_back(*tok_iter);
+ }
+ break;
default:
cerr << "i was to lazy to implement the other format types for now" << endl;
}
cout << i << " : " << std::hex << i << std::dec << " " << data << endl;
}
*/
- cpu.setRegister(1, 4);
+/* cpu.setRegister(1, 4);
cpu.setRegister(2, 0);
cpu.setRAM(0,5);
- cpu.setRAM(4,50);
+ cpu.setRAM(4,0x66334455);
cpu.setRAM(8,32);
cpu.setRAM(12,45);
-
+*/
// following: job of the bootloader
//set stackpointer
cpu.setStack(500);
//set return to nowhere for ret
- cpu.setRAM(500,50);
+ cpu.setRAM(500,500);
SReadline Reader;
CHelpExec HelpExec(Completers);
- Completers.push_back(CompleterElement("help", boost::bind1st( boost::mem_fun( &CHelpExec::operator()), &HelpExec)));
- Completers.push_back(CompleterElement("quit", &doExit));
- Completers.push_back(CompleterElement("exit", &doExit));
- Completers.push_back(CompleterElement("q", &doExit));
- Completers.push_back(CompleterElement("step [count]",&execStep));
- Completers.push_back(CompleterElement("reg",&printReg));
+ Completers.push_back(CompleterElement("help", boost::bind1st( boost::mem_fun( &CHelpExec::operator()), &HelpExec), "Prints this message"));
+ Completers.push_back(CompleterElement("quit", &doExit, "Exits program"));
+ Completers.push_back(CompleterElement("exit", &doExit, "Exits program"));
+ Completers.push_back(CompleterElement("step [count]",&execStep, "Runs [count] ticks. if count is not given one tick is executed."));
+ 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."));
+ 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."));
+ 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."));
+ Completers.push_back(CompleterElement("break addr",&setBreak, "Sets a breakpoint for address addr."));
+ Completers.push_back(CompleterElement("listbreaks",&listBreaks, "Lists all breakpoints."));
+ Completers.push_back(CompleterElement("run",&execRun, "Runs till next breakpoint or end of program."));
+ Completers.push_back(CompleterElement("setpc [num]",&setPC, "Sets PC to num. if num is omitted 0 is used."));
+ Completers.push_back(CompleterElement("setreg [s] [num]",&setReg, "Sets Register s to num."));
+ Completers.push_back(CompleterElement("setdata [s] [num]",&setRam, "Sets RAM-Addr s to num."));
+ Completers.push_back(CompleterElement("status",&printStatus, "Prints status of CPU."));
+ Completers.push_back(CompleterElement("getperf",&getPerf, "Prints performance counter."));
+ Completers.push_back(CompleterElement("resetperf",&resetPerf, "Resets performance counter to 0."));
Reader.RegisterCompletions(Completers);
vector<string> Tokens, lastTokens;
bool EndOfInput = false;
- auto Found(Completers.end());
+ //tilab g++44 doesn't like auto here
+ MyCompleterContainer::iterator Found(Completers.end());
Func lastFunc = NULL;
- while(1) {
+ while(!exitProg) {
UserInput = Reader.GetLine("> ", Tokens, EndOfInput);
if(EndOfInput) {
break;