Fixed some warnings from coverity

.gitignore

@@ -38,3 +38,10 @@ helper.ods
 *.swp
 RISCV_TLM
 dump
+.project
+.cproject
+.settings
+doc/Drawings.odg
+doc/html
+env.sh
+gh-md-toc

inc/Registers.h

@@ -1,6 +1,6 @@
 /*!
    \file Registers.h
-   \brief Basic register file implementation
+   \brief Basic register file 
    \author Màrius Montón
    \date August 2018
 */

src/Execute.cpp

@@ -1558,7 +1558,7 @@ bool Execute::M_MUL(Instruction &inst) {
   multiplier = regs->getValue(rs1);
   multiplicand = regs->getValue(rs2);
 
-  result = multiplier * multiplicand;
+  result = (int64_t) multiplier * multiplicand;
   result = result & 0x00000000FFFFFFFF;
   regs->setValue(rd, result);
 

src/Memory.cpp

@@ -29,6 +29,10 @@ Memory::Memory(sc_module_name name, bool use_file): sc_module(name)
     memory_offset = 0;
     program_counter = 0;
     //memset(mem, 0, SIZE*sizeof(uint8_t));
+    //
+    mem = new uint8_t[SIZE];
+    log = Log::getInstance();
+    log->SC_log(Log::INFO) << "Memory instantiated wihtout file" << endl;
   }
 
   
@@ -160,23 +164,23 @@ void Memory::readHexFile(string filename) {
           } else if (line.substr(7,2) == "02") {
             /* Extended segment address */
             extended_address = stol(line.substr(9,4), nullptr, 16) * 16;
-            cout << "02 extended address 0x" << hex << extended_address << endl;
+            cout << "02 extended address 0x" << hex << extended_address << dec << endl;
           } else if (line.substr(7,2) == "03") {
             /* Start segment address */
             uint32_t code_segment;
             code_segment = stol(line.substr(9,4), nullptr, 16) * 16; /* ? */
             program_counter = stol(line.substr(13,4), nullptr, 16);
             program_counter = program_counter + code_segment;
-            cout << "03 PC set to 0x" << hex << program_counter << endl;
+            cout << "03 PC set to 0x" << hex << program_counter << dec << endl;
           } else if (line.substr(7,2) == "04") {
             /* Start segment address */
             memory_offset = stol(line.substr(9,4), nullptr, 16) << 16;
             extended_address = 0;
-            cout << "04 address set to 0x" << hex << extended_address << endl;
+            cout << "04 address set to 0x" << hex << extended_address << dec << endl;
-            cout << "04 offset set to 0x" << hex << memory_offset << endl;
+            cout << "04 offset set to 0x" << hex << memory_offset << dec << endl;
           } else if (line.substr(7,2) == "05") {
             program_counter = stol(line.substr(9,8), nullptr, 16);
-            cout << "05 PC set to 0x" << hex << program_counter << endl;
+            cout << "05 PC set to 0x" << hex << program_counter << dec << endl;
           }
         }
       }

src/Registers.cpp

@@ -1,3 +1,10 @@
+/*!
+   \file Registers.cpp
+   \brief Basic register file implementation
+   \author Màrius Montón
+   \date August 2018
+*/
+
 #include "Registers.h"
 
 Registers::Registers() {
@@ -58,7 +65,7 @@ void Registers::dump(void) {
   cout << " x30 (t5):   " << right << setw(11) << register_bank[30];
   cout << " x31 (t6):   " << right << setw(11) << register_bank[31] << endl;
 
-  cout << "PC: 0x" << hex << register_PC << endl;
+  cout << "PC: 0x" << hex << register_PC << dec << endl;
   cout << "************************************" << endl;
 }
 

src/Trace.cpp

@@ -64,6 +64,8 @@ void Trace::xtermKill( const char *mess ) {
 
 void Trace::xtermSetup(void) {
     ptMaster = open("/dev/ptmx", O_RDWR);
+
+    if (ptMaster != -1) {
         grantpt( ptMaster );
     
         unlockpt( ptMaster );
@@ -83,6 +85,7 @@ void Trace::xtermSetup(void) {
         if (xtermPid == 0) {
             xtermLaunch( ptSlaveName );
         }
+    }
 }
 
 SC_HAS_PROCESS(Trace);