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#include <pkgconf/kernel.h>

#include <cyg/kernel/ktypes.h>         // base kernel types

#include <cyg/kernel/instrmnt.h>

#include <stdio.h>

#include <stdlib.h>

// -------------------------------------------------------------------------

// Instrumentation record.

struct Instrument_Record

{

    CYG_WORD16  type;                   // record type

    CYG_WORD16  thread;                 // current thread id

    CYG_WORD    timestamp;              // 32 bit timestamp

    CYG_WORD    arg1;                   // first arg

    CYG_WORD    arg2;                   // second arg

};

// -------------------------------------------------------------------------

#ifdef CYGDBG_KERNEL_INSTRUMENT_MSGS

#define CYGDBG_KERNEL_INSTRUMENT_MSGS_DEFINE_TABLE

#include <cyg/kernel/instrument_desc.h>

#define NELEM(x) (sizeof(x)/sizeof*(x))

externC char * cyg_instrument_msg(CYG_WORD16 type) {

  struct instrument_desc_s *record;

  struct instrument_desc_s *end_record;

  CYG_WORD cl, event;

  record = instrument_desc;

  end_record = &instrument_desc[NELEM(instrument_desc)-1];

  cl = type & 0xff00;

  event = type & 0x00ff;

  while ((record != end_record) && (record->num != cl)) {

    record++;

  }

  if (record->num == cl) {

    record++;

    while ((record != end_record) && (record->num != event) &&

           (record->num < 0xff)) {

      record++;

    }

    if (record->num == event) {

      return (record->msg);

    }

  }

  return("Unknown event");

}

#endif // CYGDBG_KERNEL_INSTRUMENT_MSGS

void usage(char *myname)

{

  fprintf(stderr,"Usage: %s <filename>\n",myname);

  fprintf(stderr,"where filename is that of the instrumentation data");

}

int main(int argc, char * argv[])

{

  FILE * file;

  char * filename;

  struct Instrument_Record record;

  int cnt=0;

  if (argc != 2) {

    usage(argv[0]);

    exit(1);

  }

  filename = argv[1];

  file = fopen(filename, "r");

  if (!file) {

    fprintf(stderr,"Error opening file %s: ",filename);

    perror("");

    exit(1);

  }

  while (!feof(file)) {

    fread(&record,sizeof(record),1,file);

    if (record.type == 0) {

      break;

    }

#ifdef CYGDBG_KERNEL_INSTRUMENT_MSGS 

    printf("%4d Record type (0x%04x): %-20s thread %2d, ",

           cnt++,record.type,cyg_instrument_msg(record.type),

           record.thread);

#else

    printf("%4d Record type 0x%04x, thread %2d, ",

           cnt++,record.type, record.thread);

#endif

    printf("time %5d, arg1 0x%08x, arg2 0x%08x\n",

           record.timestamp, record.arg1,

           record.arg2);

  }

  fclose(file);

  return (0);

}