[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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[98] | 34 | #include <inttypes.h> |
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| 35 | #include "generic_fifo.h" |
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| 36 | #include "vci_initiator.h" |
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| 37 | #include "soclib_endian.h" |
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| 38 | #include "caba_base_module.h" |
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| 39 | #include "int_tab.h" |
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| 40 | #include "mapping_table.h" |
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[77] | 41 | |
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| 42 | namespace soclib { namespace caba { |
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| 43 | using namespace sc_core; |
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| 44 | |
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| 45 | template<typename vci_param> |
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| 46 | class VciSyntheticInitiator |
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| 47 | : public soclib::caba::BaseModule |
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| 48 | { |
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[98] | 49 | //typedef sc_dt::sc_uint<40> addr_t; |
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| 50 | typedef typename vci_param::fast_addr_t vci_addr_t; |
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[77] | 51 | typedef uint32_t data_t; |
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| 52 | typedef uint32_t tag_t; |
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| 53 | typedef uint32_t size_t; |
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| 54 | typedef uint32_t be_t; |
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| 55 | typedef uint32_t copy_t; |
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| 56 | |
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[98] | 57 | // Type of the addr_t and access of the fields |
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| 58 | typedef union{ |
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| 59 | PACKED_BITFIELD( |
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| 60 | vci_addr_t srcid:vci_param::S, |
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| 61 | vci_addr_t null:(8*sizeof(vci_addr_t)-(2*vci_param::S)), |
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| 62 | ) normal_address; |
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| 63 | PACKED_BITFIELD( |
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| 64 | vci_addr_t xmin:vci_param::S, |
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| 65 | vci_addr_t xmax:vci_param::S, |
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| 66 | vci_addr_t ymin:vci_param::S, |
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| 67 | vci_addr_t ymax:vci_param::S, |
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| 68 | vci_addr_t null_:(8*sizeof(vci_addr_t)-(4*vci_param::S)), |
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| 69 | vci_addr_t bc:2, |
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| 70 | ) broadcast_address; |
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| 71 | } addr_t; |
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[77] | 72 | |
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[98] | 73 | |
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[77] | 74 | /* States of the GENERATOR fsm */ |
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| 75 | enum vci_fsm_state_e{ |
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| 76 | VCI_IDLE, |
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| 77 | VCI_SINGLE_SEND, |
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| 78 | VCI_SINGLE_RECEIVE, |
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| 79 | VCI_BC_SEND, |
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| 80 | VCI_BC_RECEIVE |
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| 81 | }; |
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| 82 | enum gen_fsm_state_e{ |
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| 83 | A_IDLE, |
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| 84 | A_DATA |
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| 85 | }; |
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| 86 | |
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[81] | 87 | uint64_t m_cpt_cycles; // Counter of cycles |
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| 88 | |
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[77] | 89 | |
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| 90 | protected: |
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| 91 | |
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| 92 | SC_HAS_PROCESS(VciSyntheticInitiator); |
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| 93 | |
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| 94 | public: |
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| 95 | sc_in<bool> p_clk; |
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| 96 | sc_in<bool> p_resetn; |
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| 97 | soclib::caba::VciInitiator<vci_param> p_vci; |
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| 98 | |
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| 99 | VciSyntheticInitiator( |
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[78] | 100 | sc_module_name name, |
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[98] | 101 | const soclib::common::MappingTable &mt, |
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| 102 | const soclib::common::IntTab &vci_index, |
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[78] | 103 | size_t length, // Packet length (flit numbers) |
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| 104 | float rho, // Packets ratio on the network |
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| 105 | size_t depth, // Fifo depth |
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| 106 | size_t xmesh, |
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| 107 | size_t ymesh, |
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[98] | 108 | size_t bc_period = 0, // Broadcast period, if no broadcast => 0 |
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| 109 | size_t xmin = 0, |
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| 110 | size_t xmax = 0, |
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| 111 | size_t ymin = 0, |
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| 112 | size_t ymax = 0, |
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[78] | 113 | ); |
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[77] | 114 | |
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| 115 | ~VciSyntheticInitiator(); |
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| 116 | |
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| 117 | void transition(); |
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| 118 | |
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| 119 | void genMoore(); |
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| 120 | |
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[81] | 121 | void destAdress(size_t X_local, size_t Y_local, size_t &X_dest, size_t &Y_dest); |
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[77] | 122 | |
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| 123 | private: |
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| 124 | |
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| 125 | // Component attributes |
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[98] | 126 | const size_t m_length; // Number of words to write |
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[78] | 127 | const size_t m_rho; // Rate of packets in the network wanted |
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[81] | 128 | const size_t m_depth; // Fifo depth |
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| 129 | const size_t m_xmesh; |
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| 130 | const size_t m_ymesh; |
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| 131 | const size_t m_bc_period; // Broadcast period, if no broadcast => 0 |
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| 132 | const size_t m_xmin; |
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| 133 | const size_t m_xmax; |
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| 134 | const size_t m_ymin; |
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| 135 | const size_t m_ymax; |
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[98] | 136 | const size_t m_srcid; |
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| 137 | const size_t m_coord; |
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[77] | 138 | |
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[98] | 139 | size_t m_count; // Numbers of words sent |
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| 140 | size_t m_npackets; // Total number of packets already sent |
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| 141 | uint64_t m_start_latency1; // Start time of sending packet wanted |
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| 142 | uint64_t m_start_latency2; // Start time of sending packet |
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| 143 | addr_t m_address_to_send; // Address to send the write command |
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| 144 | float m_rhos; // Effective Rho during the simulation |
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| 145 | size_t m_bc_nrsp; // Expected number of responses for a broadcast command |
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[81] | 146 | |
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[78] | 147 | // Fifo transmitting date to the VCI FSM |
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| 148 | GenericFifo<uint64_t> m_date_fifo; |
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[77] | 149 | |
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[98] | 150 | sc_signal<int> r_vci_fsm; |
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[77] | 151 | |
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[98] | 152 | sc_signal<size_t> r_index; |
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[77] | 153 | |
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[98] | 154 | sc_signal<bool> r_broadcast_req; |
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[81] | 155 | |
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[78] | 156 | }; // end class VciSyntheticInitiator |
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[77] | 157 | |
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| 158 | }} |
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| 159 | |
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| 160 | #endif |
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