dol/src/dol/visitor/hdsd/scd/fsm/scd_sts_base.h

   1 #ifndef SCD_STS_BASE_H
   2 #define SCD_STS_BASE_H
   3
   4 #include "scd_simulator.h"
   5 #include "scd_out_connector.h"
   6 #include "scd_command_writer.h"
   7 #include "scd_command_reader.h"
   8 #include "fsm/scd_cont_state.h"
   9
  10
  11 /* forward declaration */
  12 class scd_cont_man_slave;
  13
  14
  15 /**
  16  * Base class for all control slave states.
  17  */
  18 class scd_sts_base : public scd_cont_state
  19 {
  20 public:
  21     /**
  22      * Constructor.
  23      * \param sim the simulation environment
  24      * \param fsm the FSM of this state
  25      */
  26     scd_sts_base(scd_simulator& sim, scd_cont_man_slave& fsm);
  27
  28     virtual ~scd_sts_base() {}
  29
  30     /**
  31      * Signalizes the state, that a failed message has been received
  32      * from the master.
  33      */
  34     virtual void set_failed();
  35
  36     /**
  37      * Signalizes the state, that a time_req message has been received
  38      * from the master.
  39      */
  40     virtual void recv_time_req();
  41
  42     /**
  43      * Signalizes the state, that a time_nack message has been received
  44      * from the master.
  45      */
  46     virtual void recv_time_nack() {}
  47
  48     /**
  49      * Signalizes the state, that a time message has been received
  50      * from the master.
  51      */
  52     virtual void recv_time(const sc_core::sc_time& time);
  53
  54     /**
  55      * Signalizes the state, that a term_req message has been received
  56      * from the master.
  57      */
  58     virtual void recv_term_req();
  59
  60     /**
  61      * Signalizes the state, that a term_nack message has been received
  62      * from the master.
  63      */
  64     virtual void recv_term_nack() {}
  65
  66     /**
  67      * Signalizes the state, that a term message has been received
  68      * from the master.
  69      */
  70     virtual void recv_term();
  71
  72     /* scd_cont_fsm_if */
  73     void set_busy() {}
  74     void set_idle(const sc_core::sc_time& time) {}
  75     void set_done() {}
  76     void set_fail();
  77     void process() {}
  78     bool active() const;
  79     bool busy() const;
  80     bool failed() const;
  81     bool advance_time() const;
  82     const sc_core::sc_time& get_time_step();
  83
  84 protected:
  85     scd_cont_man_slave& _fsm;
  86     scd_command_writer& _writer;
  87     scd_command_reader& _reader;
  88     scd_out_connector& _connector;
  89     scd_cont_state& _st_init;
  90     scd_cont_state& _st_busy;
  91     scd_cont_state& _st_idle;
  92     scd_cont_state& _st_done;
  93     scd_cont_state& _st_time_ack;
  94     scd_cont_state& _st_time;
  95     scd_cont_state& _st_term_ack;
  96     scd_cont_state& _st_terminated;
  97     scd_cont_state& _st_fail;
  98     scd_cont_state& _st_failed;
  99 };
 100
 101 #endif