spi_slave.h

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/*
  © 2025 Intel Corporation
 
  This software and the related documents are Intel copyrighted materials, and
  your use of them is governed by the express license under which they were
  provided to you ("License"). Unless the License provides otherwise, you may
  not use, modify, copy, publish, distribute, disclose or transmit this software
  or the related documents without Intel's prior written permission.
 
  This software and the related documents are provided as is, with no express or
  implied warranties, other than those that are expressly stated in the License.
*/
 
#ifndef SIMICS_SYSTEMC_SIMICS2TLM_SPI_SLAVE_H
#define SIMICS_SYSTEMC_SIMICS2TLM_SPI_SLAVE_H
 
#include <tlm>
#include <simics/systemc/simics2tlm/gasket_owner.h>
#include <simics/systemc/iface/spi_slave_interface.h>
 
namespace simics {
namespace systemc {
 
class SpiSlaveExtension : public tlm::tlm_extension<SpiSlaveExtension> {
  public:
    int first;
    int last;
 
    tlm_extension_base* clone() const override {
        auto *ext = new SpiSlaveExtension;
        ext->first = this->first;
        ext->last = this->last;
        return ext;
    }
 
    void copy_from(const tlm_extension_base& ext) override {
        const auto &spi_ext = static_cast<const SpiSlaveExtension&>(ext);
        first = spi_ext.first;
        last = spi_ext.last;
    }
};
 
namespace simics2tlm {
 
class SpiSlave : public iface::SpiSlaveInterface, public GasketOwner {
  public:
    virtual void spi_request(int first, int last, const uint8 *data_ptr,
                             size_t data_length);
    virtual void connect_master(conf_object_t *master, const char *port,
                                serial_peripheral_interface_flags_t flags) {}
    virtual void disconnect_master(conf_object_t *master) {}
};
 
}  // namespace simics2tlm
}  // namespace systemc
}  // namespace simics
 
#endif