s3e: fix build break
[calu.git] / 3b_sim / sim.cpp
index 24c6dcd407af20062d2cce2b708f0bcfef8ac080..d9cc8c2a0c2d2065b815edab5c8da4ddc92a3fbd 100644 (file)
@@ -1,3 +1,24 @@
+/*   `Deep Thought', a softcore CPU implemented on a FPGA
+
+    Copyright (C) 2010 Markus Hofstaetter <markus.manrow@gmx.at>
+    Copyright (C) 2010 Martin Perner <e0725782@student.tuwien.ac.at>
+    Copyright (C) 2010 Stefan Rebernig <stefan.rebernig@gmail.com>
+    Copyright (C) 2010 Manfred Schwarz <e0725898@student.tuwien.ac.at>
+    Copyright (C) 2010 Bernhard Urban <lewurm@gmail.com>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
 #include <iostream>
 #include <iomanip>
 #include <fstream>
 #include "CInstrFactory.hpp"
 #include "uint32_from_hex.hpp"
 
+#include "iext.hpp"
+#include "extensions/cprog.hpp"
+#include "extensions/cuart.hpp"
+
+#include <signal.h>
+
 #include "SReadline/SReadline.h"
 using namespace swift;
 
-#define RAM_END (1000)
-#define PROG_END (1000)
+#define RAM_END (0x3000)
+#define PROG_END (0x3000)
 #define REG_COUNT (16)
 
 typedef boost::function<void (const vector<string> &)> Func;
@@ -68,16 +95,32 @@ class CHelpExec
 void close_prog(const std::vector<std::string> &);
 
 CCpu* Iinstr::m_cpu;
+CCpu* Iext::m_cpu;
+disasm* Iinstr::m_disasm;
+disasm* Iext::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 signalCpuBreak(int)
+{
+       global_cpu->breakNext();
+}
+
 void doExit(const vector<string>&)
 {
-       exit(EXIT_SUCCESS);
+       exitProg = true;
 }
 
 unsigned int convertStringToNum(const std::string& in)
@@ -111,7 +154,7 @@ void execStep(const vector<string>& in)
                        }
                        else {
                                ignoreBreak = true;
-                               cout << "Breakpoint 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
+                               cout << color(white,red) << "Breakpoint" << color(white,black) << " 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
                                break;
                        }
                }
@@ -127,13 +170,13 @@ void execRun(const vector<string>&)
        while(1) {
                try {
                        auto breakp = find(breakpoints.begin(), breakpoints.end(), global_cpu->getNextPC());
-                       if(breakp == breakpoints.end() || ignoreBreak) {
+                       if((breakp == breakpoints.end() || ignoreBreak) && !global_cpu->shouldBreak() ) {
                                global_cpu->tick();
                                ignoreBreak = false;
                        }
                        else {
                                ignoreBreak = true;
-                               cout << "Breakpoint 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
+                               cout << color(white,red) << "Breakpoint" << color(white,black) << " 0x" << std::hex << setw(8) << setfill('0') << *breakp << std::hex << " hit" << endl;
                                return;
                        }
                }
@@ -273,10 +316,29 @@ void printRAM(const vector<string>& in)
                }
        }
        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) << endl;
+               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;
+
        }
 }
 
@@ -315,7 +377,11 @@ void printPROG(const vector<string>& in)
         * 1) make 2 columns
         */
 
-       if(in.size() >= 2) {
+       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)) {
@@ -351,15 +417,34 @@ void printPROG(const vector<string>& in)
                        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" << endl;
+                       cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": NOP";
                }
                else {
-                       cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": " << std::dec << pi->toString() << endl;
+                       cout << std::hex << "0x" << setw(8) << setfill('0') << i << ": " << std::dec << global_cpu->colorifyInstr(pi->toString());
+               }
+               auto iter = progLineCommentStore.find(i);
+               if(iter != progLineCommentStore.end()) {
+                       cout << color(blue,black) << " ;" << iter->second << color(white,black);
                }
+               cout << endl;
        }
 }
 
@@ -388,6 +473,23 @@ void listBreaks(const vector<string>&)
        }
 }
 
+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 applyToExtensions(const vector<string>& in)
+{
+       global_cpu->applyToExtensions(in);
+}
+
+
 void printStatus(const vector<string>&)
 {
        CDat stackp = global_cpu->getStack();
@@ -473,14 +575,24 @@ int main(int argc, char* argv[])
 
        global_cpu = &cpu;
 
+       signal(SIGINT, signalCpuBreak);
        Iinstr::setCPU(&cpu);
+       Iext::setCPU(&cpu);
 
+       disasm disasm(instr);
+
+       Iinstr::setDisasm(&disasm);
+       Iext::setDisasm(&disasm);
 
+       global_cpu->registerExtension(new Cprog());
+       global_cpu->registerExtension(new Cuart());
+
+       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);
@@ -503,6 +615,15 @@ int main(int argc, char* argv[])
                                        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;
@@ -519,11 +640,30 @@ int main(int argc, char* argv[])
                                                        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;
@@ -534,10 +674,27 @@ int main(int argc, char* argv[])
                                                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;
@@ -565,18 +722,18 @@ int main(int argc, char* argv[])
                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;
 
@@ -598,7 +755,9 @@ int main(int argc, char* argv[])
        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."));
+       Completers.push_back(CompleterElement("extension",&applyToExtensions, "Write to extensions."));
        Reader.RegisterCompletions(Completers);
 
        string UserInput;
@@ -611,7 +770,7 @@ int main(int argc, char* argv[])
        Func lastFunc = NULL;
 
 
-       while(1) {
+       while(!exitProg) {
                UserInput = Reader.GetLine("> ", Tokens, EndOfInput);
                if(EndOfInput) {
                        break;