[77] | 1 | /* -*- c++ -*- |
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| 2 | * File : vci_synthetic_initiator.h |
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| 3 | * Date : 26/08/2010 |
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| 4 | * Copyright : UPMC / LIP6 |
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| 5 | * Authors : Christophe Choichillon |
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| 6 | * |
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| 7 | * SOCLIB_LGPL_HEADER_BEGIN |
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| 8 | * |
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| 9 | * This file is part of SoCLib, GNU LGPLv2.1. |
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| 10 | * |
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| 11 | * SoCLib is free software; you can redistribute it and/or modify it |
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| 12 | * under the terms of the GNU Lesser General Public License as published |
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| 13 | * by the Free Software Foundation; version 2.1 of the License. |
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| 14 | * |
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| 15 | * SoCLib is distributed in the hope that it will be useful, but |
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| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 18 | * Lesser General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU Lesser General Public |
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| 21 | * License along with SoCLib; if not, write to the Free Software |
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| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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| 23 | * 02110-1301 USA |
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| 24 | * |
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| 25 | * SOCLIB_LGPL_HEADER_END |
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| 26 | * |
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| 27 | * Maintainers: christophe.choichillon@lip6.fr |
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| 28 | */ |
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| 29 | |
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| 30 | #ifndef SOCLIB_CABA_SYNTHETIC_INITIATOR_H |
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| 31 | #define SOCLIB_CABA_SYNTHETIC_INITIATOR_H |
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| 32 | |
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| 33 | #include <systemc> |
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| 34 | |
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| 35 | namespace soclib { namespace caba { |
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| 36 | using namespace sc_core; |
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| 37 | |
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| 38 | template<typename vci_param> |
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| 39 | class VciSyntheticInitiator |
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| 40 | : public soclib::caba::BaseModule |
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| 41 | { |
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| 42 | typedef uint32_t addr_t; |
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| 43 | typedef uint32_t data_t; |
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| 44 | typedef uint32_t tag_t; |
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| 45 | typedef uint32_t size_t; |
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| 46 | typedef uint32_t be_t; |
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| 47 | typedef uint32_t copy_t; |
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| 48 | |
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| 49 | |
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| 50 | /* States of the GENERATOR fsm */ |
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| 51 | enum vci_fsm_state_e{ |
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| 52 | VCI_IDLE, |
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| 53 | VCI_SINGLE_SEND, |
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| 54 | VCI_SINGLE_RECEIVE, |
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| 55 | VCI_BC_SEND, |
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| 56 | VCI_BC_RECEIVE |
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| 57 | }; |
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| 58 | enum gen_fsm_state_e{ |
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| 59 | A_IDLE, |
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| 60 | A_DATA |
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| 61 | }; |
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| 62 | |
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[81] | 63 | uint64_t m_cpt_cycles; // Counter of cycles |
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| 64 | |
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[77] | 65 | |
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| 66 | protected: |
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| 67 | |
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| 68 | SC_HAS_PROCESS(VciSyntheticInitiator); |
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| 69 | |
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| 70 | public: |
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| 71 | sc_in<bool> p_clk; |
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| 72 | sc_in<bool> p_resetn; |
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| 73 | soclib::caba::VciInitiator<vci_param> p_vci; |
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| 74 | |
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| 75 | VciSyntheticInitiator( |
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[78] | 76 | sc_module_name name, |
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| 77 | size_t length, // Packet length (flit numbers) |
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| 78 | float rho, // Packets ratio on the network |
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| 79 | size_t depth, // Fifo depth |
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[81] | 80 | size_t x, // X location of the synthetic initiator |
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| 81 | size_t y, // Y location of the synthetic initiator |
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[78] | 82 | size_t xmesh, |
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| 83 | size_t ymesh, |
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| 84 | size_t bc_period, // Broadcast period, if no broadcast => 0 |
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| 85 | size_t xmin, |
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| 86 | size_t xmax, |
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| 87 | size_t ymin, |
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[81] | 88 | size_t ymax, |
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| 89 | const soclib::common::IntTab &vci_index |
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[78] | 90 | ); |
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[77] | 91 | |
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| 92 | ~VciSyntheticInitiator(); |
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| 93 | |
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| 94 | void transition(); |
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| 95 | |
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| 96 | void genMoore(); |
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| 97 | |
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[81] | 98 | void destAdress(size_t X_local, size_t Y_local, size_t &X_dest, size_t &Y_dest); |
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[77] | 99 | |
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| 100 | private: |
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| 101 | |
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| 102 | // Component attributes |
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[78] | 103 | const size_t m_length; // Number of flits of a packet |
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| 104 | const size_t m_rho; // Rate of packets in the network wanted |
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[81] | 105 | const size_t m_depth; // Fifo depth |
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| 106 | const size_t m_x; // X location |
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| 107 | const size_t m_y; // Y location |
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| 108 | const size_t m_xmesh; |
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| 109 | const size_t m_ymesh; |
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| 110 | const size_t m_bc_period; // Broadcast period, if no broadcast => 0 |
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| 111 | const size_t m_xmin; |
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| 112 | const size_t m_xmax; |
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| 113 | const size_t m_ymin; |
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| 114 | const size_t m_ymax; |
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[77] | 115 | |
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[81] | 116 | size_t m_count; |
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| 117 | size_t m_npackets; // Total number of packets already sent |
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| 118 | |
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[78] | 119 | // Fifo transmitting date to the VCI FSM |
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| 120 | GenericFifo<uint64_t> m_date_fifo; |
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[77] | 121 | |
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| 122 | sc_signal<int> r_vci_fsm; |
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| 123 | |
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| 124 | sc_signal<size_t> r_index; |
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| 125 | |
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[81] | 126 | sc_signal<bool> r_broadcast_req; |
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| 127 | |
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[78] | 128 | }; // end class VciSyntheticInitiator |
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[77] | 129 | |
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| 130 | }} |
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| 131 | |
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| 132 | #endif |
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