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Diffstat (limited to 'src/arch/arm/fastmodel/protocol/exported_clock_rate_control.hh')
-rw-r--r-- | src/arch/arm/fastmodel/protocol/exported_clock_rate_control.hh | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/arch/arm/fastmodel/protocol/exported_clock_rate_control.hh b/src/arch/arm/fastmodel/protocol/exported_clock_rate_control.hh new file mode 100644 index 000000000..4cedd00e3 --- /dev/null +++ b/src/arch/arm/fastmodel/protocol/exported_clock_rate_control.hh @@ -0,0 +1,124 @@ +/* + * Copyright 2019 Google, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * 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; + * neither the name of the copyright holders 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 + * OWNER 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. + * + * Authors: Gabe Black + */ + +#ifndef __ARCH_ARM_FASTMODEL_PROTOCOL_EXPORTED_CLOCK_RATE_CONTROL_HH__ +#define __ARCH_ARM_FASTMODEL_PROTOCOL_EXPORTED_CLOCK_RATE_CONTROL_HH__ + +#include <string> +#include <systemc> +#include <tlm> + +// This protocol is an exportable version of the clock rate protocol native to +// fast models. It's identical to the original, except it has some extra info +// which lets it be exported into systemc. + +struct ClockRateControlDummyProtocolType {}; + +class ClockRateControlFwIf : public virtual sc_core::sc_interface +{ + public: + virtual ~ClockRateControlFwIf() {} + virtual void set_mul_div(uint64_t mul, uint64_t div) = 0; +}; + +class ClockRateControlBwIf : public virtual sc_core::sc_interface +{ + public: + virtual ~ClockRateControlBwIf() {} +}; + +class ClockRateControlSlaveBase : public ClockRateControlFwIf +{ + public: + ClockRateControlSlaveBase(const std::string &name) {} +}; + +class ClockRateControlInitiatorSocket : + public tlm::tlm_base_initiator_socket<64, ClockRateControlFwIf, + ClockRateControlBwIf> +{ + private: + ClockRateControlBwIf dummyBwIf; + + public: + typedef tlm::tlm_base_initiator_socket<64, ClockRateControlFwIf, + ClockRateControlBwIf> Base; + + using Base::bind; + using Base::operator(); + + ClockRateControlInitiatorSocket() : Base() + { + get_base_export().bind(dummyBwIf); + } + ClockRateControlInitiatorSocket(const char *name) : Base(name) + { + get_base_export().bind(dummyBwIf); + } + + const char * + kind() const override + { + return "ClockRateControlInitiatorSocket"; + } + + std::type_index + get_protocol_types() const override + { + return typeid(ClockRateControlDummyProtocolType); + } +}; + +class ClockRateControlTargetSocket : + public tlm::tlm_base_target_socket<64, ClockRateControlFwIf, + ClockRateControlBwIf> +{ + public: + typedef tlm::tlm_base_target_socket<64, ClockRateControlFwIf, + ClockRateControlBwIf> Base; + + using Base::bind; + using Base::operator(); + + using Base::Base; + + const char * + kind() const override + { + return "ClockRateControlInitiatorSocket"; + } + + std::type_index + get_protocol_types() const override + { + return typeid(ClockRateControlDummyProtocolType); + } +}; + +#endif // __ARCH_ARM_FASTMODEL_PROTOCOL_EXPORTED_CLOCK_RATE_CONTROL_HH__ |