HIFIVE1-VP/platform/incl/sysc/tlm_extensions.h

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#ifndef _SYSC_TLM_EXTENSIONS_H_
#define _SYSC_TLM_EXTENSIONS_H_

#include "tlm/scc/tlm_extensions.h"

namespace sysc {
struct tlm_signal_uart_extension : public tlm::scc::tlm_unmanaged_extension<tlm_signal_uart_extension> {

    struct uart_tx {
        unsigned data_bits : 4;
        unsigned stop_bits : 2;
        bool parity : 1;
        unsigned baud_rate : 24;
        unsigned data;
    } tx;
    sc_core::sc_time start_time;
};

struct tlm_signal_spi_extension : public tlm::scc::tlm_unmanaged_extension<tlm_signal_spi_extension> {

    struct spi_tx {
        unsigned data_bits : 5;
        bool msb_first : 1;
        bool m2s_data_valid : 1;
        bool s2m_data_valid : 1;
        unsigned m2s_data, s2m_data;
    } tx;
    sc_core::sc_time start_time;

    void copy_from(tlm::tlm_extension_base const &other) override {
        auto &o = static_cast<const type &>(other);
        this->tx = o.tx;
        this->start_time = o.start_time;
    }
};
}

#endif /* _SYSC_TLM_EXTENSIONS_H_ */