src/arch/arm/fastmodel/PL330_DMAC/pl330.hh

   1 /*
   2  * Copyright 2020 Google, Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met: redistributions of source code must retain the above copyright
   7  * notice, this list of conditions and the following disclaimer;
   8  * redistributions in binary form must reproduce the above copyright
   9  * notice, this list of conditions and the following disclaimer in the
  10  * documentation and/or other materials provided with the distribution;
  11  * neither the name of the copyright holders nor the names of its
  12  * contributors may be used to endorse or promote products derived from
  13  * this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef __ARCH_ARM_FASTMODEL_PL330_PL330_HH__
  29 #define __ARCH_ARM_FASTMODEL_PL330_PL330_HH__
  30
  31 #pragma GCC diagnostic push
  32 #pragma GCC diagnostic ignored "-Woverloaded-virtual"
  33 #include <amba_pv.h>
  34
  35 #pragma GCC diagnostic pop
  36
  37 #include <array>
  38 #include <vector>
  39
  40 #include "arch/arm/fastmodel/amba_ports.hh"
  41 #include "arch/arm/fastmodel/common/signal_receiver.hh"
  42 #include "arch/arm/fastmodel/protocol/exported_clock_rate_control.hh"
  43 #include "dev/intpin.hh"
  44 #include "params/FastModelPL330.hh"
  45 #include "scx_evs_PL330.h"
  46 #include "systemc/ext/core/sc_module_name.hh"
  47 #include "systemc/sc_port_wrapper.hh"
  48
  49 namespace FastModel
  50 {
  51
  52 class PL330 : public scx_evs_PL330
  53 {
  54   private:
  55     Tick clockPeriod;
  56
  57     AmbaInitiator dma;
  58     AmbaTarget pioS, pioNs;
  59
  60     ClockRateControlInitiatorSocket clockRateControl;
  61
  62     using IntSource = IntSourcePin<PL330>;
  63
  64     std::array<std::vector<std::unique_ptr<IntSource>>, 32> irqPort;
  65     std::vector<std::unique_ptr<SignalReceiver>> irqReceiver;
  66
  67     std::vector<std::unique_ptr<IntSource>> irqAbortPort;
  68     SignalReceiver irqAbortReceiver;
  69
  70     void allocateIrq(int idx, int count);
  71
  72   public:
  73     PL330(const FastModelPL330Params &params, sc_core::sc_module_name _name);
  74     PL330(const FastModelPL330Params &params) :
  75         PL330(params, params.name.c_str())
  76     {}
  77
  78     ::Port &gem5_getPort(const std::string &if_name, int idx=-1) override;
  79
  80     void
  81     end_of_elaboration() override
  82     {
  83         scx_evs_PL330::end_of_elaboration();
  84         scx_evs_PL330::start_of_simulation();
  85     }
  86     void start_of_simulation() override;
  87 };
  88
  89 } // namespace FastModel
  90
  91 #endif // __ARCH_ARM_FASTMODEL_PL330_PL330_HH__