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

71 lines
2.7 KiB
C++

/*******************************************************************************
* Copyright (C) 2018 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#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_ */