test.cc

SystemC片上系统设计的源代码： 书籍介绍： SystemC是被实践证明的优秀的系统设计描述语言

#include "packet_constraint.h"

// nbcode "constraint" start
//create additional constraints
struct packet_hier_constraint : public packet_base_constraint {
  //add config variable
  scv_smart_ptr<sc_uint<32> > dest_min;
  scv_smart_ptr<sc_uint<32> > dest_max;
  
  SCV_CONSTRAINT_CTOR(packet_hier_constraint) {
    //use the base constraint
    SCV_BASE_CONSTRAINT(packet_base_constraint);

    //add extra constraints
    SCV_CONSTRAINT ((packet->dest_addr() > dest_min()) &&
                   (packet->dest_addr() < dest_max()) );
    SCV_CONSTRAINT (
      ((packet->src_addr() > (packet->dest_addr() + 0x100000) ) && 
       (packet->src_addr() < (packet->dest_addr() + 0x200000) ) ) || 
      ((packet->src_addr() < (packet->dest_addr() - 0x10000) )) &&
       (packet->src_addr() > (packet->dest_addr() - 0xfffff) ) );
  }
};
// nbcode "constraint" end

int sc_main(int argc, char** argv) {
  scv_random::set_global_seed(10);

  // nbcode "def" start
  //instatiate global constraints
  packet_hier_constraint pkt("Constrained Packet");

  pkt.dest_min->disable_randomization();
  pkt.dest_max->disable_randomization();
  *pkt.dest_min = 0x100000;
  *pkt.dest_max = 0x800000;
  // nbcode "def" end

  // nbcode "out" start
  for(int i=0; i<5; ++i) {
    pkt.next();
    pkt.packet->msg[pkt.packet->msg_length] = '\0';
    scv_out << pkt.packet->get_name() << *(pkt.packet) << endl;
  }
  scv_out << endl;
  // nbcode "out" end

  return (0);
}