dbg_mem.cpp

国外开源的一个片上网络系统的源代码

#include "dbg_mem.h"

#include <algorithm>
#include <vector>

static int dbg_mem_size = -2;
static vector<unsigned> dbg_mem_addr;

static mMIPS *hack_dp_x0y0=0;
static mMIPS *hack_dp_x0y1=0;
static mMIPS *hack_dp_x1y0=0;
static mMIPS *hack_dp_x1y1=0;

void dbg_mem_init( mMIPS *dp_x0y0, mMIPS *dp_x0y1, mMIPS *dp_x1y0, mMIPS *dp_x1y1 )
{
  hack_dp_x0y0 = dp_x0y0;
  hack_dp_x0y1 = dp_x0y1;
  hack_dp_x1y0 = dp_x1y0;
  hack_dp_x1y1 = dp_x1y1;
}

void hack_pc(){
  if( hack_dp_x0y0 ) cout << " x0y0:0x" << hex << hack_dp_x0y0->bus_pc.read().to_uint() << " ";
  if( hack_dp_x0y1 ) cout << " x0y1:0x" << hex << hack_dp_x0y1->bus_pc.read().to_uint() << " ";
  if( hack_dp_x1y0 ) cout << " x1y0:0x" << hex << hack_dp_x1y0->bus_pc.read().to_uint() << " ";
  if( hack_dp_x1y1 ) cout << " x1y1:0x" << hex << hack_dp_x1y1->bus_pc.read().to_uint() << " ";
  cout << endl;
}


bool dbg_mem_hit( unsigned addr ){
  if( dbg_mem_size == 0 || dbg_mem_size == -1 ) return false;
  if( dbg_mem_size == -2 ){
    ifstream ifile( "mem_dbg" );
    if( !ifile ){
      cerr << "Cannot open mem_dbg - memory debugging disabled\n";
      dbg_mem_size = -1;
      return false;
    }
    unsigned u;
    while(1){
      ifile >> u;
      if( !ifile ) break;
      dbg_mem_addr.push_back(u);
      cerr << "Debugging memory address 0x" << hex << u << dec << endl;
    }
    dbg_mem_size = dbg_mem_addr.size();
  }
  
  return (::find( dbg_mem_addr.begin(), dbg_mem_addr.end(), addr ) != dbg_mem_addr.end());
}