| 1 | /* SOCLIB_LGPL_HEADER_BEGIN |
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| 2 | * |
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| 3 | * This file is part of SoCLib, GNU LGPLv2.1. |
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| 4 | * |
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| 5 | * SoCLib is free software; you can redistribute it and/or modify it |
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| 6 | * under the terms of the GNU Lesser General Public License as published |
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| 7 | * by the Free Software Foundation; version 2.1 of the License. |
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| 8 | * |
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| 9 | * SoCLib is distributed in the hope that it will be useful, but |
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| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * Lesser General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU Lesser General Public |
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| 15 | * License along with SoCLib; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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| 17 | * 02110-1301 USA |
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| 18 | * |
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| 19 | * SOCLIB_LGPL_HEADER_END |
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| 20 | * |
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| 21 | * Author : Abdelmalek SI MERABET |
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| 22 | * Date : February 2013 |
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| 23 | * Copyright: UPMC - LIP6 |
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| 24 | */ |
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| 25 | ///////////////////////////////////////////////////////////////////////////// |
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| 26 | // Ring : Broadcast-inval : 2 flits l2(1)->l1(n) // |
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| 27 | //--------------------------------------------------------------------------- |
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| 28 | // 1st flit | eop |xmin |xmax |ymin |ymax | memcid | lid* |1| |
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| 29 | // (40) (1) (5) (5) (5) (5) (14) (4) (1) |
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| 30 | //--------------------------------------------------------------------------- |
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| 31 | // next flit | eop |res| trdid | nline | |
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| 32 | // (40) (1) (1) (4) (34) |
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| 33 | //--------------------------------------------------------------------------- |
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| 34 | // *lid : local id (port number on ring) for sequential broadcast |
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| 35 | ////////////////////////////////////////////////////////////////////////////// |
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| 36 | // Ring : Multicast-inval 2 flits (l2->l1) // |
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| 37 | //---------------------------------------------------------------------------- |
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| 38 | // 1st flit | eop | procid |res| memcid | trdid | type |0| |
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| 39 | // (40) (1) (14) (3) (14) (4) (3) (1) |
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| 40 | //---------------------------------------------------------------------------- |
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| 41 | // next flit | eop |res | nline | |
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| 42 | // (40) (1) (5) (34) |
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| 43 | ////////////////////////////////////////////////////////////////////////////// |
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| 44 | // Ring : Multicast-update 2+N flits l2(1)->l1(n) // |
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| 45 | //---------------------------------------------------------------------------- |
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| 46 | // 1st flit | eop | procid |res| memcid | trdid | type |0| |
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| 47 | // (40) (1) (14) (3) (14) (4) (3) (1) |
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| 48 | //---------------------------------------------------------------------------- |
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| 49 | // next flit | eop |res| wdidx | nline | |
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| 50 | // (40) (1) (1) (4) (34) |
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| 51 | //---------------------------------------------------------------------------- |
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| 52 | // next flits | eop | res | be | wdata | |
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| 53 | // (40) (1) (3) (4) (32) |
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| 54 | ////////////////////////////////////////////////////////////////////////////// |
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| 55 | // Ring : Cleanup Ack 1 flit l2(1)-l1(n) // |
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| 56 | //---------------------------------------------------------------------------- |
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| 57 | // 1st flit | eop | procid |res| set | way | type |0| |
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| 58 | // (40) (1) (14) (1) (16) (4) (3) (1) |
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| 59 | //---------------------------------------------------------------------------- |
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| 60 | // Type | cleanup ACK | Update/Inval | Data/instr | |
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| 61 | // (3) (1) (1) (1) |
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| 62 | //////////////////////////////////////////////////////////////////// |
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| 63 | // Ring : cleanup 2 flits l1(n)->l2(1) // |
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| 64 | //------------------------------------------------------------------ |
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| 65 | // 1st flit | eop | clustid*| procid | nline | way | type | |
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| 66 | // (33) (1) (10) (14) (2) (4) (2) |
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| 67 | // next flit | eop | nline | |
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| 68 | // (33) (1) (32) |
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| 69 | ///////////////////////////////////////////////////////////////////// |
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| 70 | // Ring : multicast ack 1 flit l1(n)->l2(1) // |
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| 71 | //------------------------------------------------------------------ |
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| 72 | // 1st flit | eop | clustid*| res | trdid | type | |
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| 73 | // (33) (1) (10) (16) (4) (2) |
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| 74 | //------------------------------------------------------------------ |
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| 75 | // Type | cleanup/MulticastACK | Data/instr | |
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| 76 | // (2) (1) (1) |
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| 77 | // *clusterid : identifiy cluster id of the dest memory cache. |
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| 78 | // all memory caches have the same Identifier in their clusters. |
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| 79 | //------------------------------------------------------------------ |
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| 80 | |
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| 81 | #ifndef DSPIN_LOCAL_RING_INITIATOR_FAST_H |
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| 82 | #define DSPIN_LOCAL_RING_INITIATOR_FAST_H |
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| 83 | |
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| 84 | #include "generic_fifo.h" |
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| 85 | #include "mapping_table.h" |
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| 86 | #include "ring_signals_fast.h" |
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| 87 | #include "dspin_interface.h" |
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| 88 | |
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| 89 | #define BRDCST_TGT_MASK 0xFFFFFFFFE1ULL |
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| 90 | #define I_DEBUG |
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| 91 | |
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| 92 | namespace soclib { namespace caba { |
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| 93 | |
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| 94 | namespace { |
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| 95 | |
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| 96 | const char *ring_cmd_fsm_state_str_i[] = { |
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| 97 | "CMD_IDLE", |
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| 98 | "OWNER", |
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| 99 | "BDC_FIRST", |
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| 100 | "BDC_SECOND", |
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| 101 | "SENDING", |
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| 102 | "WAIT_PALLOC_END", |
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| 103 | }; |
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| 104 | |
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| 105 | #ifdef I_DEBUG |
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| 106 | |
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| 107 | const char *ring_rsp_fsm_state_str_i[] = { |
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| 108 | "RSP_IDLE", |
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| 109 | "ALLOC", |
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| 110 | "NALLOC", |
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| 111 | "PALLOC2", |
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| 112 | "PALLOC1", |
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| 113 | }; |
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| 114 | #endif |
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| 115 | } // end namespace |
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| 116 | |
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| 117 | template<typename vci_param, int ring_cmd_data_size, int ring_rsp_data_size> |
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| 118 | class DspinLocalRingInitiatorFastC |
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| 119 | { |
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| 120 | |
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| 121 | typedef LocalRingSignals ring_signal_t; |
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| 122 | typedef DspinInput<ring_cmd_data_size> cmd_in_t; |
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| 123 | typedef DspinOutput<ring_rsp_data_size> rsp_out_t; |
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| 124 | |
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| 125 | private: |
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| 126 | |
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| 127 | enum ring_rsp_fsm_state_e { |
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| 128 | RSP_IDLE, // waiting for first flit of a response packet |
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| 129 | ALLOC, // next flit of a local rsp packet |
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| 130 | NALLOC, // next flit of a ring rsp packet |
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| 131 | PALLOC2, |
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| 132 | PALLOC1, |
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| 133 | }; |
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| 134 | |
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| 135 | enum ring_cmd_fsm_state_e { |
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| 136 | CMD_IDLE, |
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| 137 | OWNER, |
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| 138 | BDC_FIRST, |
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| 139 | BDC_SECOND, |
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| 140 | SENDING, |
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| 141 | WAIT_PALLOC_END, |
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| 142 | }; |
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| 143 | |
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| 144 | // structural parameters |
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| 145 | std::string m_name; |
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| 146 | bool m_alloc_init; |
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| 147 | |
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| 148 | // internal fifos |
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| 149 | GenericFifo<uint64_t > m_cmd_fifo; // fifo for the local command packet |
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| 150 | GenericFifo<uint64_t > m_rsp_fifo; // fifo for the local response packet |
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| 151 | |
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| 152 | // routing table |
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| 153 | soclib::common::AddressMaskingTable<uint32_t> m_rt; |
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| 154 | soclib::common::AddressDecodingTable<uint32_t, bool> m_lt; |
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| 155 | |
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| 156 | uint64_t r_brdcst_save; |
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| 157 | uint32_t m_srcid; |
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| 158 | uint32_t m_nb_target; |
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| 159 | uint32_t m_x_width; |
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| 160 | uint32_t m_y_width; |
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| 161 | |
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| 162 | sc_core::sc_signal<uint32_t> r_cpt_tgt; // target id for sequential broadcast |
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| 163 | sc_core::sc_signal<uint32_t> r_ring_cmd_fsm; // ring command packet FSM (distributed) |
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| 164 | sc_core::sc_signal<uint32_t> r_ring_rsp_fsm; // ring response packet FSM |
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| 165 | |
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| 166 | public : |
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| 167 | |
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| 168 | #define __renRegInit(x) x((((std::string) name)+"_" #x).c_str()) |
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| 169 | |
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| 170 | DspinLocalRingInitiatorFastC( |
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| 171 | const char *name, |
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| 172 | bool alloc_init, |
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| 173 | const int &wrapper_fifo_depth, |
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| 174 | const soclib::common::MappingTable &mt, |
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| 175 | const soclib::common::IntTab &ringid, |
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| 176 | const uint32_t &srcid, |
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| 177 | const uint32_t &nb_target, |
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| 178 | const uint32_t &x_width, |
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| 179 | const uint32_t &y_width) |
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| 180 | : m_name(name), |
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| 181 | m_alloc_init(alloc_init), |
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| 182 | m_cmd_fifo(((std::string) name)+"m_cmd_fifo", wrapper_fifo_depth), |
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| 183 | m_rsp_fifo(((std::string) name)+"m_rsp_fifo", wrapper_fifo_depth), |
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| 184 | m_rt(mt.getIdMaskingTable(ringid.level())), |
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| 185 | m_lt(mt.getIdLocalityTable(ringid)), |
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| 186 | m_srcid(srcid), |
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| 187 | m_nb_target(nb_target), |
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| 188 | m_x_width(x_width), |
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| 189 | m_y_width(y_width), |
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| 190 | __renRegInit(r_cpt_tgt), |
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| 191 | __renRegInit(r_ring_cmd_fsm), |
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| 192 | __renRegInit(r_ring_rsp_fsm) |
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| 193 | |
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| 194 | {} // end constructor |
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| 195 | |
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| 196 | void reset() |
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| 197 | { |
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| 198 | if(m_alloc_init) |
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| 199 | r_ring_cmd_fsm = OWNER; |
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| 200 | else |
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| 201 | r_ring_cmd_fsm = CMD_IDLE; |
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| 202 | |
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| 203 | r_ring_rsp_fsm = RSP_IDLE; |
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| 204 | m_cmd_fifo.init(); |
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| 205 | m_rsp_fifo.init(); |
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| 206 | |
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| 207 | } |
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| 208 | |
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| 209 | void transition(const cmd_in_t &p_cmd_in, const rsp_out_t &p_rsp_out, const ring_signal_t p_ring_in, cmd_str &init_cmd, bool &init_rsp_val) |
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| 210 | { |
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| 211 | |
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| 212 | bool cmd_fifo_get = false; |
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| 213 | bool cmd_fifo_put = false; |
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| 214 | uint64_t cmd_fifo_data = 0; |
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| 215 | |
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| 216 | bool rsp_fifo_put = false; |
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| 217 | uint64_t rsp_fifo_data = 0; |
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| 218 | |
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| 219 | //////////// ACCESS DSPIN FIFOS /////////////////// |
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| 220 | if (p_cmd_in.write.read()) { |
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| 221 | #ifdef I_DEBUG |
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| 222 | std::cout << sc_time_stamp() << " -- " << m_name << " -- DSPIN FIFO" |
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| 223 | << " -- cmd in rok : " << p_cmd_in.write |
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| 224 | << " -- in data : " << std::hex << p_cmd_in.data.read() |
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| 225 | << " -- fifo wok : " << m_cmd_fifo.wok() |
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| 226 | << std::endl; |
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| 227 | #endif |
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| 228 | cmd_fifo_data = (uint64_t) p_cmd_in.data.read(); |
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| 229 | cmd_fifo_put = m_cmd_fifo.wok(); |
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| 230 | } |
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| 231 | |
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| 232 | bool rsp_fifo_get = p_rsp_out.read.read(); |
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| 233 | |
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| 234 | //////////// RING CMD FSM ///////////////////////// |
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| 235 | switch( r_ring_cmd_fsm ) |
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| 236 | { |
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| 237 | case CMD_IDLE: |
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| 238 | // stay here while : !fifo_rok + !gnt |
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| 239 | #ifdef I_DEBUG |
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| 240 | if(m_cmd_fifo.rok()) |
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| 241 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
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| 242 | << " - ring_cmd_fsm = " << ring_cmd_fsm_state_str_i[r_ring_cmd_fsm] |
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| 243 | << " - fifo ROK : " << m_cmd_fifo.rok() |
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| 244 | << " - in grant : " << p_ring_in.cmd_grant |
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| 245 | << " - in palloc : " << p_ring_in.cmd_palloc |
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| 246 | << " - in wok : " << p_ring_in.cmd_r |
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| 247 | << " - fifo data : " << std::hex << m_cmd_fifo.read() |
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| 248 | << std::endl; |
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| 249 | #endif |
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| 250 | |
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| 251 | if ( p_ring_in.cmd_grant && m_cmd_fifo.rok() ) |
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| 252 | { |
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| 253 | |
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| 254 | |
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| 255 | if (m_cmd_fifo.read() & 0x1 == 0x1) // broadcast |
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| 256 | { |
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| 257 | r_cpt_tgt = m_nb_target; |
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| 258 | r_brdcst_save = m_cmd_fifo.read() & BRDCST_TGT_MASK; // save first flit of brdcst |
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| 259 | r_ring_cmd_fsm = BDC_FIRST; |
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| 260 | |
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| 261 | } else { |
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| 262 | r_ring_cmd_fsm = SENDING; |
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| 263 | } |
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| 264 | } |
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| 265 | break; |
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| 266 | |
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| 267 | case OWNER: |
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| 268 | if ( m_cmd_fifo.rok()) // && p_ring_in.cmd_wok.read() ) |
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| 269 | { |
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| 270 | #ifdef I_DEBUG |
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| 271 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
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| 272 | << " - ring_cmd_fsm = " << ring_cmd_fsm_state_str_i[r_ring_cmd_fsm] |
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| 273 | << " - fifo ROK : " << m_cmd_fifo.rok() |
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| 274 | << " - in grant : " << p_ring_in.cmd_grant |
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| 275 | << " - in preempt : " << p_ring_in.cmd_preempt |
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| 276 | << " - in palloc : " << p_ring_in.cmd_palloc |
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| 277 | << " - in wok : " << p_ring_in.cmd_r |
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| 278 | << " - fifo data : " << std::hex << m_cmd_fifo.read() |
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| 279 | << std::endl; |
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| 280 | |
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| 281 | #endif |
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| 282 | bool eop = ( (int) ((m_cmd_fifo.read() >> (ring_cmd_data_size - 1) ) & 0x1) == 1); |
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| 283 | |
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| 284 | if (m_cmd_fifo.read() & 0x1 == 0x1) // broadcast |
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| 285 | { |
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| 286 | r_cpt_tgt = m_nb_target; |
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| 287 | r_brdcst_save = m_cmd_fifo.read() & BRDCST_TGT_MASK; // save first flit of brdcst |
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| 288 | r_ring_cmd_fsm = BDC_FIRST; |
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| 289 | } |
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| 290 | // |
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| 291 | else |
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| 292 | { |
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| 293 | if ( eop && p_ring_in.cmd_r ) |
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| 294 | { |
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| 295 | cmd_fifo_get = true; |
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| 296 | if ( p_ring_in.cmd_grant ) |
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| 297 | r_ring_cmd_fsm = OWNER; |
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| 298 | else |
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| 299 | r_ring_cmd_fsm = CMD_IDLE; |
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| 300 | } |
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| 301 | |
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| 302 | if (!eop || !p_ring_in.cmd_r) |
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| 303 | { |
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| 304 | cmd_fifo_get = p_ring_in.cmd_r; |
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| 305 | r_ring_cmd_fsm = SENDING; |
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| 306 | } |
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| 307 | |
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| 308 | } |
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| 309 | |
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| 310 | } |
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| 311 | else if ( !p_ring_in.cmd_grant) |
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| 312 | r_ring_cmd_fsm = CMD_IDLE; |
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| 313 | break; |
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| 314 | |
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| 315 | case BDC_FIRST: |
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| 316 | |
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| 317 | #ifdef I_DEBUG |
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| 318 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
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| 319 | << " - ring_cmd_fsm = " << ring_cmd_fsm_state_str_i[r_ring_cmd_fsm] |
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| 320 | << " - fifo ROK : " << m_cmd_fifo.rok() |
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| 321 | << " - in grant : " << p_ring_in.cmd_grant |
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| 322 | << " - in preempt : " << p_ring_in.cmd_preempt |
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| 323 | << " - in palloc : " << p_ring_in.cmd_palloc |
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| 324 | << " - in wok : " << p_ring_in.cmd_r |
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| 325 | << " - cpt_tgt : " << r_cpt_tgt.read() |
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| 326 | << " - fifo data : " << std::hex << m_cmd_fifo.read() |
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| 327 | << std::endl; |
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| 328 | |
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| 329 | #endif |
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| 330 | if (p_ring_in.cmd_preempt) break; |
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| 331 | |
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| 332 | if (p_ring_in.cmd_r) |
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| 333 | { |
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| 334 | if (r_cpt_tgt.read() == m_nb_target) |
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| 335 | { |
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| 336 | cmd_fifo_get = true; |
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| 337 | } |
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| 338 | r_ring_cmd_fsm = BDC_SECOND; |
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| 339 | } |
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| 340 | break; |
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| 341 | |
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| 342 | case BDC_SECOND: |
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| 343 | #ifdef I_DEBUG |
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| 344 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
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| 345 | << " - ring_cmd_fsm = " << ring_cmd_fsm_state_str_i[r_ring_cmd_fsm] |
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| 346 | << " - fifo ROK : " << m_cmd_fifo.rok() |
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| 347 | << " - in grant : " << p_ring_in.cmd_grant |
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| 348 | << " - in preempt : " << p_ring_in.cmd_preempt |
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| 349 | << " - in palloc : " << p_ring_in.cmd_palloc |
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| 350 | << " - in wok : " << p_ring_in.cmd_r |
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| 351 | << " - fifo data : " << std::hex << m_cmd_fifo.read() |
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| 352 | << std::endl; |
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| 353 | |
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| 354 | #endif |
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| 355 | if (p_ring_in.cmd_preempt) break; |
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| 356 | |
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| 357 | if(m_cmd_fifo.rok() && p_ring_in.cmd_r) |
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| 358 | { |
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| 359 | if(r_cpt_tgt.read() == 0) |
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| 360 | { |
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| 361 | cmd_fifo_get = true; |
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| 362 | |
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| 363 | if ( !p_ring_in.cmd_palloc && p_ring_in.cmd_grant ) |
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| 364 | { |
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| 365 | r_ring_cmd_fsm = OWNER; |
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| 366 | } |
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| 367 | else if ( !p_ring_in.cmd_palloc && !p_ring_in.cmd_grant ) |
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| 368 | { |
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| 369 | r_ring_cmd_fsm = CMD_IDLE; |
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| 370 | } |
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| 371 | else |
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| 372 | { |
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| 373 | r_ring_cmd_fsm = WAIT_PALLOC_END; |
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| 374 | } |
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| 375 | } |
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| 376 | else |
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| 377 | { |
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| 378 | r_cpt_tgt = r_cpt_tgt - 1; |
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| 379 | r_ring_cmd_fsm = BDC_FIRST; |
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| 380 | } |
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| 381 | |
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| 382 | } |
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| 383 | break; |
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| 384 | |
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| 385 | case SENDING: |
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| 386 | // stay here while !release + cmd_preempt |
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| 387 | // release = fifo_rok.ring_in.wok.fifo_data.eop |
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| 388 | // palloc : a local target is stil allocated by the gateway_initiator |
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| 389 | #ifdef I_DEBUG |
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| 390 | if(m_cmd_fifo.rok()) |
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| 391 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
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| 392 | << " - ring_cmd_fsm = " << ring_cmd_fsm_state_str_i[r_ring_cmd_fsm] |
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| 393 | << " - fifo ROK : " << m_cmd_fifo.rok() |
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| 394 | << " - in grant : " << p_ring_in.cmd_grant |
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| 395 | << " - in preempt : " << p_ring_in.cmd_preempt |
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| 396 | << " - in palloc : " << p_ring_in.cmd_palloc |
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| 397 | << " - in wok : " << p_ring_in.cmd_r |
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| 398 | << " - fifo data : " << std::hex << m_cmd_fifo.read() |
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| 399 | << std::endl; |
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| 400 | #endif |
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| 401 | |
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| 402 | if(p_ring_in.cmd_preempt) break; |
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| 403 | |
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| 404 | if(m_cmd_fifo.rok() && p_ring_in.cmd_r) |
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| 405 | { |
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| 406 | cmd_fifo_get = true; |
|---|
| 407 | bool eop = ((int) (m_cmd_fifo.read() >> (ring_cmd_data_size - 1) ) & 0x1) == 1; |
|---|
| 408 | |
|---|
| 409 | if (eop && !p_ring_in.cmd_palloc && p_ring_in.cmd_grant) |
|---|
| 410 | { |
|---|
| 411 | r_ring_cmd_fsm = OWNER; |
|---|
| 412 | } |
|---|
| 413 | else if (eop && !p_ring_in.cmd_palloc && !p_ring_in.cmd_grant) |
|---|
| 414 | { |
|---|
| 415 | r_ring_cmd_fsm = CMD_IDLE; |
|---|
| 416 | } |
|---|
| 417 | else if (eop && p_ring_in.cmd_palloc) |
|---|
| 418 | { |
|---|
| 419 | r_ring_cmd_fsm = WAIT_PALLOC_END; |
|---|
| 420 | } |
|---|
| 421 | } |
|---|
| 422 | |
|---|
| 423 | break; |
|---|
| 424 | |
|---|
| 425 | case WAIT_PALLOC_END: |
|---|
| 426 | // stay here and keep token till last flit from Init Gate, ring is preempted |
|---|
| 427 | bool eop = ((int) (p_ring_in.cmd_data >> (ring_cmd_data_size - 1) ) & 0x1) == 1; |
|---|
| 428 | #ifdef I_DEBUG |
|---|
| 429 | if(p_ring_in.cmd_w) |
|---|
| 430 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
|---|
| 431 | << " - ring_cmd_fsm = " << ring_cmd_fsm_state_str_i[r_ring_cmd_fsm] |
|---|
| 432 | << " - palloc : " << p_ring_in.cmd_palloc |
|---|
| 433 | << " - in grant : " << p_ring_in.cmd_grant |
|---|
| 434 | << " - in preempt : " << p_ring_in.cmd_preempt |
|---|
| 435 | << " - in rok : " << p_ring_in.cmd_w |
|---|
| 436 | << " - in wok : " << p_ring_in.cmd_r |
|---|
| 437 | << " - in data : " << std::hex << p_ring_in.cmd_data |
|---|
| 438 | << " - eop : " << eop |
|---|
| 439 | << std::endl; |
|---|
| 440 | #endif |
|---|
| 441 | |
|---|
| 442 | if(p_ring_in.cmd_w && p_ring_in.cmd_r && eop) // last flit from init gate |
|---|
| 443 | { |
|---|
| 444 | if (p_ring_in.cmd_grant) |
|---|
| 445 | r_ring_cmd_fsm = OWNER; |
|---|
| 446 | else |
|---|
| 447 | r_ring_cmd_fsm = CMD_IDLE; |
|---|
| 448 | |
|---|
| 449 | } |
|---|
| 450 | |
|---|
| 451 | break; |
|---|
| 452 | } // end switch ring cmd fsm |
|---|
| 453 | |
|---|
| 454 | /////////// RING RSP FSM //////////////////////// |
|---|
| 455 | |
|---|
| 456 | switch( r_ring_rsp_fsm ) |
|---|
| 457 | { |
|---|
| 458 | case RSP_IDLE: |
|---|
| 459 | { |
|---|
| 460 | uint32_t rsrcid = (uint32_t) ((sc_dt::sc_uint<vci_param::S>) ((p_ring_in.rsp_data >> (ring_rsp_data_size-m_x_width-m_y_width - 1)) << (vci_param::S-m_x_width-m_y_width))); |
|---|
| 461 | bool islocal = m_lt[rsrcid] && (m_rt[rsrcid] == m_srcid); |
|---|
| 462 | bool reop = ((p_ring_in.rsp_data >> (ring_rsp_data_size - 1)) & 0x1) == 1; |
|---|
| 463 | #ifdef I_DEBUG |
|---|
| 464 | if(p_ring_in.rsp_w) |
|---|
| 465 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
|---|
| 466 | << " - ring_rsp_fsm = " << ring_rsp_fsm_state_str_i[r_ring_rsp_fsm] |
|---|
| 467 | << " - in rok : " << p_ring_in.rsp_w |
|---|
| 468 | << " - in data : " << std::hex << p_ring_in.rsp_data |
|---|
| 469 | << " - rsrcid : " << rsrcid |
|---|
| 470 | << " - isloc : " << islocal |
|---|
| 471 | << " - in wok : " << p_ring_in.rsp_r |
|---|
| 472 | << " - fifo wok : " << m_rsp_fifo.wok() |
|---|
| 473 | << " - reop : " << reop |
|---|
| 474 | << std::endl; |
|---|
| 475 | #endif |
|---|
| 476 | |
|---|
| 477 | |
|---|
| 478 | if (p_ring_in.rsp_w && islocal) |
|---|
| 479 | { |
|---|
| 480 | rsp_fifo_put = m_rsp_fifo.wok(); |
|---|
| 481 | rsp_fifo_data = p_ring_in.rsp_data; |
|---|
| 482 | |
|---|
| 483 | if (reop && m_rsp_fifo.wok()) |
|---|
| 484 | r_ring_rsp_fsm = RSP_IDLE; |
|---|
| 485 | else |
|---|
| 486 | r_ring_rsp_fsm = ALLOC; |
|---|
| 487 | } |
|---|
| 488 | else if (p_ring_in.rsp_w && !islocal) |
|---|
| 489 | { |
|---|
| 490 | |
|---|
| 491 | if (reop && p_ring_in.rsp_r) |
|---|
| 492 | r_ring_rsp_fsm = RSP_IDLE; |
|---|
| 493 | else |
|---|
| 494 | r_ring_rsp_fsm = NALLOC; |
|---|
| 495 | } |
|---|
| 496 | |
|---|
| 497 | else // !p_ring_in.rsp_w |
|---|
| 498 | { |
|---|
| 499 | r_ring_rsp_fsm = RSP_IDLE; |
|---|
| 500 | } |
|---|
| 501 | } |
|---|
| 502 | break; |
|---|
| 503 | |
|---|
| 504 | case ALLOC: |
|---|
| 505 | { |
|---|
| 506 | bool reop = ((p_ring_in.rsp_data >> (ring_rsp_data_size - 1)) & 0x1) == 1; |
|---|
| 507 | #ifdef I_DEBUG |
|---|
| 508 | if(p_ring_in.rsp_w) |
|---|
| 509 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
|---|
| 510 | << " - ring_rsp_fsm = " << ring_rsp_fsm_state_str_i[r_ring_rsp_fsm] |
|---|
| 511 | << " - in rok : " << p_ring_in.rsp_w |
|---|
| 512 | << " - in wok : " << p_ring_in.rsp_r |
|---|
| 513 | << " - fifo wok : " << m_rsp_fifo.wok() |
|---|
| 514 | << " - in data : " << std::hex << p_ring_in.rsp_data |
|---|
| 515 | << " - reop : " << reop |
|---|
| 516 | << std::endl; |
|---|
| 517 | #endif |
|---|
| 518 | |
|---|
| 519 | |
|---|
| 520 | if (p_ring_in.rsp_w && m_rsp_fifo.wok() && reop) |
|---|
| 521 | { |
|---|
| 522 | |
|---|
| 523 | rsp_fifo_put = true; |
|---|
| 524 | rsp_fifo_data = p_ring_in.rsp_data; |
|---|
| 525 | r_ring_rsp_fsm = RSP_IDLE; |
|---|
| 526 | } |
|---|
| 527 | else // !p_ring_in.rsp_w || !m_rsp_fifo.wok() || !reop |
|---|
| 528 | { |
|---|
| 529 | |
|---|
| 530 | rsp_fifo_put = p_ring_in.rsp_w && m_rsp_fifo.wok(); |
|---|
| 531 | rsp_fifo_data = p_ring_in.rsp_data; |
|---|
| 532 | r_ring_rsp_fsm = ALLOC; |
|---|
| 533 | } |
|---|
| 534 | } |
|---|
| 535 | break; |
|---|
| 536 | |
|---|
| 537 | case NALLOC: |
|---|
| 538 | { |
|---|
| 539 | #ifdef I_DEBUG |
|---|
| 540 | if(p_ring_in.rsp_w) |
|---|
| 541 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
|---|
| 542 | << " - ring_rsp_fsm = " << ring_rsp_fsm_state_str_i[r_ring_rsp_fsm] |
|---|
| 543 | << " - preempt : " << p_ring_in.rsp_preempt |
|---|
| 544 | << " - palloc : " << p_ring_in.rsp_palloc |
|---|
| 545 | << " - header : " << p_ring_in.rsp_header |
|---|
| 546 | << " - in rok : " << p_ring_in.rsp_w |
|---|
| 547 | << " - in data : " << std::hex << p_ring_in.rsp_data |
|---|
| 548 | << " - in wok : " << p_ring_in.rsp_r |
|---|
| 549 | << " - fifo wok : " << m_rsp_fifo.wok() |
|---|
| 550 | << std::endl; |
|---|
| 551 | #endif |
|---|
| 552 | |
|---|
| 553 | bool reop = ((p_ring_in.rsp_data >> (ring_rsp_data_size - 1)) & 0x1) == 1; |
|---|
| 554 | |
|---|
| 555 | if(p_ring_in.rsp_preempt) |
|---|
| 556 | { |
|---|
| 557 | uint32_t rsrcid = (uint32_t) ((sc_dt::sc_uint<vci_param::S>) ((p_ring_in.rsp_data >> ring_rsp_data_size-m_x_width-m_y_width) << (vci_param::S-m_x_width-m_y_width))); |
|---|
| 558 | bool islocal = m_lt[rsrcid] && (m_rt[rsrcid] == m_srcid); |
|---|
| 559 | |
|---|
| 560 | if(p_ring_in.rsp_header) |
|---|
| 561 | { |
|---|
| 562 | if (islocal) |
|---|
| 563 | { |
|---|
| 564 | rsp_fifo_put = m_rsp_fifo.wok(); |
|---|
| 565 | rsp_fifo_data = p_ring_in.rsp_data; |
|---|
| 566 | if (!reop) |
|---|
| 567 | r_ring_rsp_fsm = PALLOC2; |
|---|
| 568 | } |
|---|
| 569 | } |
|---|
| 570 | else // !header |
|---|
| 571 | { |
|---|
| 572 | // palloc=1, means IG is not allocated, thus, if last flit, all inits must be in IDLE state |
|---|
| 573 | if (reop && p_ring_in.rsp_r && (p_ring_in.rsp_palloc == 1)) |
|---|
| 574 | r_ring_rsp_fsm = RSP_IDLE; |
|---|
| 575 | else |
|---|
| 576 | r_ring_rsp_fsm = NALLOC; |
|---|
| 577 | } |
|---|
| 578 | |
|---|
| 579 | } |
|---|
| 580 | |
|---|
| 581 | else // !preempt |
|---|
| 582 | { |
|---|
| 583 | if(p_ring_in.rsp_w && reop && p_ring_in.rsp_r && !p_ring_in.rsp_palloc) |
|---|
| 584 | r_ring_rsp_fsm = RSP_IDLE; |
|---|
| 585 | else |
|---|
| 586 | r_ring_rsp_fsm = NALLOC; |
|---|
| 587 | |
|---|
| 588 | } |
|---|
| 589 | |
|---|
| 590 | } |
|---|
| 591 | break; |
|---|
| 592 | |
|---|
| 593 | case PALLOC2: |
|---|
| 594 | #ifdef I_DEBUG |
|---|
| 595 | if(p_ring_in.rsp_w) |
|---|
| 596 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
|---|
| 597 | << " - ring_rsp_fsm = " << ring_rsp_fsm_state_str_i[r_ring_rsp_fsm] |
|---|
| 598 | << " - in preempt : " << p_ring_in.rsp_preempt |
|---|
| 599 | << " - in rok : " << p_ring_in.rsp_w |
|---|
| 600 | << " - in data : " << std::hex << p_ring_in.rsp_data |
|---|
| 601 | << " - in wok : " << p_ring_in.rsp_r |
|---|
| 602 | << " - fifo wok : " << m_rsp_fifo.wok() |
|---|
| 603 | << std::endl; |
|---|
| 604 | #endif |
|---|
| 605 | { |
|---|
| 606 | bool eop = ( (int) ((p_ring_in.rsp_data >> (ring_rsp_data_size - 1) ) & 0x1) == 1); |
|---|
| 607 | |
|---|
| 608 | if(p_ring_in.rsp_preempt) |
|---|
| 609 | { |
|---|
| 610 | rsp_fifo_put = m_rsp_fifo.wok(); |
|---|
| 611 | rsp_fifo_data = p_ring_in.rsp_data; |
|---|
| 612 | |
|---|
| 613 | if(eop && m_rsp_fifo.wok()) |
|---|
| 614 | r_ring_rsp_fsm = NALLOC; |
|---|
| 615 | else |
|---|
| 616 | r_ring_rsp_fsm = PALLOC2; |
|---|
| 617 | break; |
|---|
| 618 | } |
|---|
| 619 | |
|---|
| 620 | if(p_ring_in.rsp_w && p_ring_in.rsp_r && eop) |
|---|
| 621 | { |
|---|
| 622 | r_ring_rsp_fsm = PALLOC1; |
|---|
| 623 | } |
|---|
| 624 | |
|---|
| 625 | |
|---|
| 626 | } |
|---|
| 627 | break; |
|---|
| 628 | |
|---|
| 629 | case PALLOC1: |
|---|
| 630 | #ifdef I_DEBUG |
|---|
| 631 | std::cout << std::dec << sc_time_stamp() << " - " << m_name |
|---|
| 632 | << " - ring_rsp_fsm = " << ring_rsp_fsm_state_str_i[r_ring_rsp_fsm] |
|---|
| 633 | << " - in preempt : " << p_ring_in.rsp_preempt |
|---|
| 634 | << " - in rok : " << p_ring_in.rsp_w |
|---|
| 635 | << " - in data : " << std::hex << p_ring_in.rsp_data |
|---|
| 636 | << " - in wok : " << p_ring_in.rsp_r |
|---|
| 637 | << " - fifo wok : " << m_rsp_fifo.wok() |
|---|
| 638 | << std::endl; |
|---|
| 639 | #endif |
|---|
| 640 | { |
|---|
| 641 | bool eop = ( (int) ((p_ring_in.rsp_data >> (ring_rsp_data_size - 1) ) & 0x1) == 1); |
|---|
| 642 | |
|---|
| 643 | |
|---|
| 644 | if ( p_ring_in.rsp_preempt && m_rsp_fifo.wok() && eop ) |
|---|
| 645 | { |
|---|
| 646 | |
|---|
| 647 | rsp_fifo_put = true; |
|---|
| 648 | rsp_fifo_data = p_ring_in.rsp_data; |
|---|
| 649 | r_ring_rsp_fsm = RSP_IDLE; |
|---|
| 650 | |
|---|
| 651 | } |
|---|
| 652 | |
|---|
| 653 | else // !p_ring_in.rsp_w || !m_rsp_fifo.wok() || !eop |
|---|
| 654 | { |
|---|
| 655 | |
|---|
| 656 | rsp_fifo_put = p_ring_in.rsp_preempt && m_rsp_fifo.wok(); |
|---|
| 657 | rsp_fifo_data = p_ring_in.rsp_data; |
|---|
| 658 | r_ring_rsp_fsm = PALLOC1; |
|---|
| 659 | |
|---|
| 660 | } |
|---|
| 661 | } |
|---|
| 662 | break; |
|---|
| 663 | } // end switch rsp fsm |
|---|
| 664 | |
|---|
| 665 | |
|---|
| 666 | //////////////////////// |
|---|
| 667 | // fifos update // |
|---|
| 668 | //////////////////////// |
|---|
| 669 | //-- to keep trace on ring traffic : a valid initiator command is being sent |
|---|
| 670 | init_cmd.cmdval = cmd_fifo_get; |
|---|
| 671 | init_cmd.flit = m_cmd_fifo.read(); |
|---|
| 672 | init_cmd.state = ring_cmd_fsm_state_str_i[r_ring_cmd_fsm]; |
|---|
| 673 | |
|---|
| 674 | //init_cmd_val = cmd_fifo_get; |
|---|
| 675 | init_rsp_val = rsp_fifo_put; |
|---|
| 676 | // local cmd fifo update |
|---|
| 677 | if ( cmd_fifo_put && cmd_fifo_get ) m_cmd_fifo.put_and_get(cmd_fifo_data); |
|---|
| 678 | else if ( cmd_fifo_put && !cmd_fifo_get ) m_cmd_fifo.simple_put(cmd_fifo_data); |
|---|
| 679 | else if ( !cmd_fifo_put && cmd_fifo_get ) m_cmd_fifo.simple_get(); |
|---|
| 680 | |
|---|
| 681 | // local rsp fifo update |
|---|
| 682 | if ( rsp_fifo_put && rsp_fifo_get ) m_rsp_fifo.put_and_get(rsp_fifo_data); |
|---|
| 683 | else if ( rsp_fifo_put && !rsp_fifo_get ) m_rsp_fifo.simple_put(rsp_fifo_data); |
|---|
| 684 | else if ( !rsp_fifo_put && rsp_fifo_get ) m_rsp_fifo.simple_get(); |
|---|
| 685 | |
|---|
| 686 | } // end Transition() |
|---|
| 687 | |
|---|
| 688 | /////////////////////////////////////////////////////////////////// |
|---|
| 689 | void genMoore(cmd_in_t &p_cmd_in, rsp_out_t &p_rsp_out) |
|---|
| 690 | /////////////////////////////////////////////////////////////////// |
|---|
| 691 | { |
|---|
| 692 | p_rsp_out.write = m_rsp_fifo.rok(); |
|---|
| 693 | p_rsp_out.data = (sc_dt::sc_uint<ring_rsp_data_size>) m_rsp_fifo.read(); |
|---|
| 694 | |
|---|
| 695 | p_cmd_in.read= m_cmd_fifo.wok(); |
|---|
| 696 | |
|---|
| 697 | } // end genMoore |
|---|
| 698 | |
|---|
| 699 | ///////////////////////////////////////////////////////////////////////////// |
|---|
| 700 | void update_ring_signals(ring_signal_t p_ring_in, ring_signal_t &p_ring_out) |
|---|
| 701 | //////////////////////////////////////////////////////////////////////////// |
|---|
| 702 | { |
|---|
| 703 | switch( r_ring_cmd_fsm ) |
|---|
| 704 | { |
|---|
| 705 | case CMD_IDLE: |
|---|
| 706 | |
|---|
| 707 | p_ring_out.cmd_grant = !m_cmd_fifo.rok() && p_ring_in.cmd_grant; |
|---|
| 708 | |
|---|
| 709 | p_ring_out.cmd_palloc = p_ring_in.cmd_palloc; |
|---|
| 710 | p_ring_out.cmd_preempt = p_ring_in.cmd_preempt; |
|---|
| 711 | p_ring_out.cmd_w = p_ring_in.cmd_w; |
|---|
| 712 | p_ring_out.cmd_data = p_ring_in.cmd_data; |
|---|
| 713 | break; |
|---|
| 714 | |
|---|
| 715 | case OWNER: |
|---|
| 716 | { |
|---|
| 717 | bool eop = ((int) ((m_cmd_fifo.read() >> (ring_cmd_data_size - 1) ) & 0x1) == 1); |
|---|
| 718 | bool brdcst = (m_cmd_fifo.read() & 0x1 == 0x1); |
|---|
| 719 | |
|---|
| 720 | p_ring_out.cmd_grant = (!m_cmd_fifo.rok() || (eop && p_ring_in.cmd_r)) ; |
|---|
| 721 | |
|---|
| 722 | p_ring_out.cmd_palloc = 0; //p_ring_in.cmd_palloc; |
|---|
| 723 | p_ring_out.cmd_preempt = 0; //p_ring_in.cmd_preempt; |
|---|
| 724 | p_ring_out.cmd_w = m_cmd_fifo.rok() && !brdcst; |
|---|
| 725 | p_ring_out.cmd_data = m_cmd_fifo.read(); |
|---|
| 726 | } |
|---|
| 727 | break; |
|---|
| 728 | |
|---|
| 729 | case BDC_FIRST: |
|---|
| 730 | |
|---|
| 731 | p_ring_out.cmd_palloc = p_ring_in.cmd_palloc; |
|---|
| 732 | p_ring_out.cmd_preempt = p_ring_in.cmd_preempt; |
|---|
| 733 | |
|---|
| 734 | p_ring_out.cmd_grant = false; |
|---|
| 735 | // if cmd_preempt : Init Gate is sending to Local Target, ring preempted |
|---|
| 736 | if (p_ring_in.cmd_preempt) |
|---|
| 737 | { |
|---|
| 738 | p_ring_out.cmd_w = p_ring_in.cmd_w; |
|---|
| 739 | p_ring_out.cmd_data = p_ring_in.cmd_data; |
|---|
| 740 | } |
|---|
| 741 | else |
|---|
| 742 | { |
|---|
| 743 | p_ring_out.cmd_w = true; |
|---|
| 744 | p_ring_out.cmd_data = r_brdcst_save | ((((uint64_t) r_cpt_tgt.read()) & 0xF) << 0x1); |
|---|
| 745 | } |
|---|
| 746 | break; |
|---|
| 747 | |
|---|
| 748 | case BDC_SECOND: |
|---|
| 749 | p_ring_out.cmd_palloc = p_ring_in.cmd_palloc; |
|---|
| 750 | p_ring_out.cmd_preempt = p_ring_in.cmd_preempt; |
|---|
| 751 | |
|---|
| 752 | // if cmd_preempt : Init Gate is sending to Local Target, ring preempted |
|---|
| 753 | if (p_ring_in.cmd_preempt) |
|---|
| 754 | { |
|---|
| 755 | |
|---|
| 756 | p_ring_out.cmd_w = p_ring_in.cmd_w; |
|---|
| 757 | p_ring_out.cmd_data = p_ring_in.cmd_data; |
|---|
| 758 | p_ring_out.cmd_grant = 0; |
|---|
| 759 | } |
|---|
| 760 | else |
|---|
| 761 | { |
|---|
| 762 | p_ring_out.cmd_grant = m_cmd_fifo.rok() && p_ring_in.cmd_r && (r_cpt_tgt.read() == 0); |
|---|
| 763 | p_ring_out.cmd_w = m_cmd_fifo.rok(); |
|---|
| 764 | p_ring_out.cmd_data = m_cmd_fifo.read(); |
|---|
| 765 | } |
|---|
| 766 | break; |
|---|
| 767 | |
|---|
| 768 | case SENDING: |
|---|
| 769 | { |
|---|
| 770 | bool eop = ((int) (m_cmd_fifo.read() >> (ring_cmd_data_size - 1) ) & 0x1) == 1; |
|---|
| 771 | |
|---|
| 772 | p_ring_out.cmd_palloc = p_ring_in.cmd_palloc; |
|---|
| 773 | p_ring_out.cmd_preempt = p_ring_in.cmd_preempt; |
|---|
| 774 | |
|---|
| 775 | // if cmd_preempt : Init Gate is sending to Local Target, ring preempted |
|---|
| 776 | if (p_ring_in.cmd_preempt) |
|---|
| 777 | { |
|---|
| 778 | |
|---|
| 779 | p_ring_out.cmd_w = p_ring_in.cmd_w; |
|---|
| 780 | p_ring_out.cmd_data = p_ring_in.cmd_data; |
|---|
| 781 | p_ring_out.cmd_grant = 0; |
|---|
| 782 | } |
|---|
| 783 | else |
|---|
| 784 | { |
|---|
| 785 | p_ring_out.cmd_w = m_cmd_fifo.rok(); |
|---|
| 786 | p_ring_out.cmd_data = m_cmd_fifo.read(); |
|---|
| 787 | p_ring_out.cmd_grant = m_cmd_fifo.rok() && p_ring_in.cmd_r && eop && !p_ring_in.cmd_palloc; |
|---|
| 788 | } |
|---|
| 789 | } |
|---|
| 790 | break; |
|---|
| 791 | |
|---|
| 792 | case WAIT_PALLOC_END: |
|---|
| 793 | { |
|---|
| 794 | bool eop = ((int) (p_ring_in.cmd_data >> (ring_cmd_data_size - 1) ) & 0x1) == 1; |
|---|
| 795 | // No need to test preempt here |
|---|
| 796 | // In this state, we're sure that only IG can transmit, all other IL but this, are in IDLE state |
|---|
| 797 | p_ring_out.cmd_grant = p_ring_in.cmd_w && p_ring_in.cmd_r && eop; |
|---|
| 798 | |
|---|
| 799 | p_ring_out.cmd_palloc = p_ring_in.cmd_palloc; |
|---|
| 800 | p_ring_out.cmd_preempt = p_ring_in.cmd_preempt; |
|---|
| 801 | p_ring_out.cmd_w = p_ring_in.cmd_w; //p_ring_in.cmd_preempt; |
|---|
| 802 | p_ring_out.cmd_data = p_ring_in.cmd_data; |
|---|
| 803 | } |
|---|
| 804 | break; |
|---|
| 805 | |
|---|
| 806 | |
|---|
| 807 | } // end switch |
|---|
| 808 | p_ring_out.cmd_header = p_ring_in.cmd_header; |
|---|
| 809 | p_ring_out.cmd_r = p_ring_in.cmd_r; |
|---|
| 810 | |
|---|
| 811 | p_ring_out.rsp_w = p_ring_in.rsp_w; |
|---|
| 812 | p_ring_out.rsp_data = p_ring_in.rsp_data; |
|---|
| 813 | |
|---|
| 814 | p_ring_out.rsp_grant = p_ring_in.rsp_grant; |
|---|
| 815 | |
|---|
| 816 | p_ring_out.rsp_preempt = p_ring_in.rsp_preempt; |
|---|
| 817 | p_ring_out.rsp_header = p_ring_in.rsp_header; |
|---|
| 818 | p_ring_out.rsp_palloc = p_ring_in.rsp_palloc; |
|---|
| 819 | |
|---|
| 820 | |
|---|
| 821 | switch( r_ring_rsp_fsm ) |
|---|
| 822 | { |
|---|
| 823 | case RSP_IDLE: |
|---|
| 824 | { |
|---|
| 825 | uint32_t rsrcid = (uint32_t) ((sc_dt::sc_uint<vci_param::S>) ((p_ring_in.rsp_data >> (ring_rsp_data_size-m_x_width-m_y_width - 1)) << (vci_param::S-m_x_width-m_y_width))); |
|---|
| 826 | bool islocal = m_lt[rsrcid] && (m_rt[rsrcid] == m_srcid); |
|---|
| 827 | |
|---|
| 828 | if(p_ring_in.rsp_w && islocal) |
|---|
| 829 | p_ring_out.rsp_r = m_rsp_fifo.wok(); |
|---|
| 830 | else |
|---|
| 831 | p_ring_out.rsp_r = p_ring_in.rsp_r; |
|---|
| 832 | } |
|---|
| 833 | break; |
|---|
| 834 | |
|---|
| 835 | case ALLOC: |
|---|
| 836 | p_ring_out.rsp_r = m_rsp_fifo.wok(); |
|---|
| 837 | break; |
|---|
| 838 | |
|---|
| 839 | case NALLOC: |
|---|
| 840 | { |
|---|
| 841 | uint32_t rsrcid = (uint32_t) ((sc_dt::sc_uint<vci_param::S>) ((p_ring_in.rsp_data >> ring_rsp_data_size-m_x_width-m_y_width) << (vci_param::S-m_x_width-m_y_width))); |
|---|
| 842 | bool islocal = m_lt[rsrcid] && (m_rt[rsrcid] == m_srcid); |
|---|
| 843 | |
|---|
| 844 | if (p_ring_in.rsp_preempt && p_ring_in.rsp_header && islocal) |
|---|
| 845 | p_ring_out.rsp_r = m_rsp_fifo.wok(); |
|---|
| 846 | else |
|---|
| 847 | p_ring_out.rsp_r = p_ring_in.rsp_r; |
|---|
| 848 | |
|---|
| 849 | |
|---|
| 850 | } |
|---|
| 851 | break; |
|---|
| 852 | |
|---|
| 853 | case PALLOC2: |
|---|
| 854 | if(p_ring_in.rsp_preempt) |
|---|
| 855 | p_ring_out.rsp_r = m_rsp_fifo.wok(); |
|---|
| 856 | else |
|---|
| 857 | p_ring_out.rsp_r = p_ring_in.rsp_r; |
|---|
| 858 | break; |
|---|
| 859 | |
|---|
| 860 | case PALLOC1: |
|---|
| 861 | p_ring_out.rsp_r = m_rsp_fifo.wok(); |
|---|
| 862 | break; |
|---|
| 863 | } // end switch |
|---|
| 864 | |
|---|
| 865 | |
|---|
| 866 | } // end update_ring_signals |
|---|
| 867 | |
|---|
| 868 | #ifdef I_STATS |
|---|
| 869 | void print_stats() { |
|---|
| 870 | |
|---|
| 871 | std::cout << m_name << " , " << m_cpt << " , " << flits_sent << " , " << tok_wait << " , " << fifo_full << " , " << preempt << " , " << palloc_wait << std::endl; |
|---|
| 872 | |
|---|
| 873 | } |
|---|
| 874 | #endif |
|---|
| 875 | }; |
|---|
| 876 | |
|---|
| 877 | }} // end namespace |
|---|
| 878 | #endif // DSPIN_LOCAL_RING_INITIATOR_FAST_H |
|---|
| 879 | |
|---|
| 880 | |
|---|
