verif/model/pcie/csr/csr_base_if.hpp

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: csr_base_if.hpp
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#ifndef INC_csr_base_if_hpp__
#define INC_csr_base_if_hpp__

#include <systemc.h>
#include "pcie_common/config.hpp"
#include "pcie_common/csr_if.hpp"
#include <map>

namespace pcie {

    template < typename ADDR, typename DATA>
        class csr_base_if : public virtual csr_if <ADDR, DATA>,
                            public virtual tlm_transport_if <csr_req <ADDR, DATA>, csr_rsp <DATA> >
        {
            public:
                typedef tlm_transport_if <csr_req < ADDR, DATA > ,
                        csr_rsp < DATA > > if_type;

                csr_rsp<DATA> transport (const csr_req<ADDR, DATA> &req) {
                    csr_rsp<DATA>  rsp;

                    switch (req._cmd) {
                        case CSR_READ:
                            rsp._data = read_csr(req._addr);
                            break;
                        case CSR_WRITE:
                            rsp._data = write_csr(req._addr, req._data);
                            break;
                        case CSR_WRITE_MASK:
                            rsp._data = write_csr_mask(req._addr, req._data, req._fld_mask);
                            break;

                        case CSR_ISMAPPED:
                            rsp._is_mapped = is_mapped(req._addr);
                            break;

                        case CSR_SETEVENT:
                            set_notify_event(req._addr, req._event);
                            break;
                        case CSR_RESET:
                            reset_csr_db();
                            break;
                        case CSR_CREATE:
                            create_csr_db();
                            break;
                    }
                    return rsp;
                }
        };
} // namespace pcie_tl

#endif // INC_csr_hpp__