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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [utils/] [binlog2readable.cpp] - Blame information for rev 188

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1 63 julius
// ----------------------------------------------------------------------------
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// Interprets ORPSoC's Cycle Accurate model binary format log files
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// Contributor Julius Baxter <jb@orsoc.se>
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or (at your
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// option) any later version.
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
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// License for more details.
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program.  If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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// $Id$
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#include <string.h>
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#include <iostream>
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#include <iomanip>
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#include <cstdlib>
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#include <stdint.h> 
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#include <fstream>
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#include <sys/types.h>
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using namespace std;
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struct s_binary_output_buffer{
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  long long insn_count;
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  uint32_t pc;
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  uint32_t insn;
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  char exception;
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  uint32_t regs[32];
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  uint32_t sr;
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  uint32_t epcr0;
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  uint32_t eear0;
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  uint32_t eser0;
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} __attribute__((__packed__));
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struct s_binary_output_buffer_sans_regs{
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  long long insn_count;
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  uint32_t pc;
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  uint32_t insn;
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  char exception;
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} __attribute__((__packed__));
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void printUsage()
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{
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  cerr << endl << "Error: No input file specified." << endl;
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  cerr << endl;
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  cerr << "Usage: binlog2readable <options> <file>" << endl;
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  cerr << endl;
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  cerr << "Convert binary formatted ORPSoC execution log <file> to human readable format" << endl;
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  cerr << "Options:" << endl;
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  cerr << "  -o <file>\tOutput file, if not specified stdout is used" << endl;
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  cerr << "  --skip <num>\tSkip <num> instructions from the front of the log" << endl;
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  cerr << "  --last <num>\tPrint the last <num> instructions from the end of the log" << endl;
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  cerr << endl;
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}
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int main(int argc, char **argv)
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{
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  ifstream inFile;
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  ofstream outFile; /* Anyone know how to make these things into stdouts?? */
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  unsigned long long filesize;
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  int using_std_out = 1; /* Default out is to stdout */
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  char reg_vals_included;
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  int skip_insns = 0;
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  int skip_insns_from_end = -1;
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  struct s_binary_output_buffer buf;
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  struct s_binary_output_buffer_sans_regs buf_sans_regs;
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  if (argc < 2)
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    {
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      printUsage();
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      return 1;
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    }
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  for(int i=1; i < argc; i++)
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    {
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      if ((strcmp(argv[i], "-s")==0) ||
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          (strcmp(argv[i], "--skip")==0))
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        {
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          if (i+1 < argc)
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            if(argv[i+1][0] != '-')
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              {
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                skip_insns = atoi(argv[i+1]);
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                skip_insns_from_end = 0;
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                i++;
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              }
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        }
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      else if (strcmp(argv[i], "--last")==0)
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        {
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          if (i+1 < argc)
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            if(argv[i+1][0] != '-')
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              {
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                skip_insns = atoi(argv[i+1]);
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                skip_insns_from_end = 1;
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                i++;
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              }
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        }
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      else if (strcmp(argv[i], "-o")==0)
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        {
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          if (i+1 < argc)
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            if(argv[i+1][0] != '-')
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              {
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                /* Were given a file to output to */
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                outFile.open(argv[i+1], ios::out);
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                if (!outFile.is_open())
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                  {
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                    cerr << "Error: unable to open file " << argv[2] << " for writing." << endl;
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                    if (inFile.is_open()) inFile.close();
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                    return 1;
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                  }
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                using_std_out = 0;
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              }
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        }
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      else
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        {
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          /* Input file */
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          if (!inFile.is_open())
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            {
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              inFile.open(argv[i], ios::in | ios::binary);
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              if (!inFile.is_open())
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                {
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                  cerr << "Error: unable to open file " << argv[1] << " for reading." << endl;
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                  return 1;
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                }
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            }
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        }
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    }
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  /* First byte contains whether we've got register values included or
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  just executed instruction, pc and number*/
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  inFile.seekg(0); /* Position getpointer to start of file*/
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  inFile.read(&reg_vals_included, 1);
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  if (skip_insns)
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    {
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      /* Position the file pointer to the right place before printing out */
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      if (skip_insns_from_end == -1)
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        goto close_exit;
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      if (skip_insns_from_end)
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        {
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          // go to end
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          inFile.seekg(0,ios::end);
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          filesize = inFile.tellg();
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          inFile.seekg(0);
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          //cout << "filesize: " << filesize << endl;
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          // seek backwards
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          if (reg_vals_included)
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            for (int i=0;i<skip_insns;i++)
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              inFile.seekg(filesize-skip_insns*sizeof(struct s_binary_output_buffer));
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          else
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            for (int i=0;i<skip_insns;i++)
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              inFile.seekg(filesize-(skip_insns*sizeof(struct s_binary_output_buffer_sans_regs)));
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        }
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      else
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        {
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          // skip from start
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          inFile.seekg(1);
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          if (reg_vals_included)
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            inFile.seekg(skip_insns*sizeof(struct s_binary_output_buffer),ios::cur);
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          else
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            inFile.seekg((skip_insns*sizeof(struct s_binary_output_buffer_sans_regs)),ios::cur);
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184
        }
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    }
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  else
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    inFile.seekg(1);
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  //cout << "starting at: " << inFile.tellg() << endl;
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191
  if (reg_vals_included)
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    {
193
      if (using_std_out)
194
        {
195
          while (1)
196
            {
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198
              inFile.read((char*)&buf, sizeof(struct s_binary_output_buffer));
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200
              if(!inFile.eof())
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                {
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                  cout << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << buf.insn_count << "): " << std::setfill('0') << hex << std::setw(8) << buf.pc << ":  " << hex << std::setw(8) << buf.insn;
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                  if(buf.exception) cout << "  (exception)";
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                  cout << endl;
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                  // Print general purpose register contents
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                  for (int i=0; i<32; i++)
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                    {
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                      if ((i%4 == 0)&&(i>0)) cout << endl;
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                      cout << std::setfill('0');
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                      cout << "GPR" << dec << std::setw(2) << i << ": " <<  hex << std::setw(8) << buf.regs[i] << "  ";
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                    }
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                  cout << endl;
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                  cout << "SR   : " <<  hex << std::setw(8) << buf.sr << "  ";
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                  cout << "EPCR0: " <<  hex << std::setw(8) << buf.epcr0 << "  ";
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                  cout << "EEAR0: " <<  hex << std::setw(8) << buf.eear0 << "  ";
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                  cout << "ESR0 : " <<  hex << std::setw(8) << buf.eser0 << endl;
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                }
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              else
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                break;
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            }
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        }
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      else
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        {
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          while(1)
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            {
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              /* Outputting to a file */
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              inFile.read((char*)&buf, sizeof(struct s_binary_output_buffer));
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              //inFile.seekg(sizeof(struct s_binary_output_buffer), ios::cur);
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              if(!inFile.eof())
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                {
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                  outFile << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << buf.insn_count << "): " << std::setfill('0') << hex << std::setw(8) << buf .pc << ":  " << hex << std::setw(8) << buf.insn;
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                  if(buf.exception) outFile << "  (exception)";
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                  outFile << endl;
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                  // Print general purpose register contents
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                  for (int i=0; i<32; i++)
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                    {
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                      if ((i%4 == 0)&&(i>0)) outFile << endl;
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                      outFile << std::setfill('0');
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                      outFile << "GPR" << dec << std::setw(2) << i << ": " <<  hex << std::setw(8) << buf.regs[i] << "  ";
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                    }
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                  outFile << endl;
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                  outFile << "SR   : " <<  hex << std::setw(8) << buf.sr << "  ";
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                  outFile << "EPCR0: " <<  hex << std::setw(8) << buf.epcr0 << "  ";
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                  outFile << "EEAR0: " <<  hex << std::setw(8) << buf.eear0 << "  ";
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                  outFile << "ESR0 : " <<  hex << std::setw(8) << buf.eser0 << endl;
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                }
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              else
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                break;
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253
            }
254
        }
255
    }
256
      else /* No regs in data */
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    {
258
      if (using_std_out)
259
        {
260
          while(1)
261
            {
262
              inFile.read((char*)&buf_sans_regs, sizeof(struct s_binary_output_buffer_sans_regs));
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              if (!inFile.eof())
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                {
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                  cout << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << buf_sans_regs.insn_count << "): " << std::setfill('0') << hex << std::setw(8) << buf_sans_regs.pc << ":  " << hex << std::setw(8) << buf_sans_regs.insn;
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                  if(buf_sans_regs.exception) cout << "  (exception)";
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                  cout << endl;
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                }
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              else
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                break;
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            }
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          cout << endl;
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        }
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      else
275
        {
276
          /* Outputting to a file */
277
          while(!inFile.eof())
278
            {
279
              inFile.read((char*)&buf_sans_regs, sizeof(struct s_binary_output_buffer_sans_regs));
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              //inFile.seekg(sizeof(struct s_binary_output_buffer_sans_regs), ios::cur);
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              outFile << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << buf_sans_regs.insn_count << "): " << std::setfill('0') << hex << std::setw(8) << buf_sans_regs.pc << ":  " << hex << std::setw(8) << buf_sans_regs.insn;
282
              if(buf_sans_regs.exception) outFile << "  (exception)" << endl;
283
              outFile << endl;
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285
            }
286
          outFile << endl;
287
        }
288
    }
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290
 close_exit:
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  inFile.close();
292
  if (!using_std_out) outFile.close();
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}

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