[82] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Decod_queue_transition.cpp 88 2008-12-10 18:31:39Z rosiere $ |
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| 4 | * |
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| 5 | * [ Description ] |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod_queue/include/Decod_queue.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace core { |
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| 14 | namespace multi_front_end { |
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| 15 | namespace front_end { |
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| 16 | namespace decod_unit { |
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| 17 | namespace decod_queue { |
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| 18 | |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Decod_queue::transition" |
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| 22 | void Decod_queue::transition (void) |
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| 23 | { |
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| 24 | log_begin(Decod_queue,FUNCTION); |
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[88] | 25 | log_function(Decod_queue,FUNCTION,_name.c_str()); |
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[82] | 26 | |
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| 27 | if (PORT_READ(in_NRESET) == 0) |
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| 28 | { |
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| 29 | reg_QUEUE->clear(); |
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| 30 | |
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| 31 | for (uint32_t i=0; i<_param->_nb_context; i++) |
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| 32 | reg_NB_INST [i]=0; |
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| 33 | } |
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| 34 | else |
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| 35 | { |
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| 36 | //-------------------------------------------------------------------- |
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| 37 | //-----[ DECOD_IN ]--------------------------------------------------- |
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[88] | 38 | //-------------------------------------------------------------------- |
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| 39 | decod_queue_entry_t * entry = NULL; |
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| 40 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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[82] | 41 | { |
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| 42 | if (PORT_READ(in_DECOD_IN_VAL [i]) and internal_DECOD_IN_ACK[i]) |
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| 43 | { |
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[88] | 44 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * DECOD_IN [%d]"),i); |
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[82] | 45 | |
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| 46 | if (entry == NULL) |
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[88] | 47 | { |
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| 48 | // Once creation and insert in queue |
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| 49 | entry = new decod_queue_entry_t (_param->_nb_inst_decod); |
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| 50 | reg_QUEUE->push_back(entry); |
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| 51 | } |
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[82] | 52 | |
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| 53 | Tcontext_t context = (_param->_have_port_context_id)?PORT_READ(in_DECOD_IN_CONTEXT_ID [i]):0; |
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| 54 | |
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[88] | 55 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * context : %d"),context); |
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[82] | 56 | |
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| 57 | entry->_val [i] = 1; |
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| 58 | entry->_context_id [i] = context; |
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| 59 | entry->_depth [i] = (_param->_have_port_depth)?PORT_READ(in_DECOD_IN_DEPTH [i]):0; |
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| 60 | entry->_type [i] = PORT_READ(in_DECOD_IN_TYPE [i]); |
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| 61 | entry->_operation [i] = PORT_READ(in_DECOD_IN_OPERATION [i]); |
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[88] | 62 | entry->_no_execute [i] = PORT_READ(in_DECOD_IN_NO_EXECUTE [i]); |
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[82] | 63 | entry->_is_delay_slot [i] = PORT_READ(in_DECOD_IN_IS_DELAY_SLOT [i]); |
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| 64 | entry->_address [i] = PORT_READ(in_DECOD_IN_ADDRESS [i]); |
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| 65 | entry->_has_immediat [i] = PORT_READ(in_DECOD_IN_HAS_IMMEDIAT [i]); |
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| 66 | entry->_immediat [i] = PORT_READ(in_DECOD_IN_IMMEDIAT [i]); |
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| 67 | entry->_read_ra [i] = PORT_READ(in_DECOD_IN_READ_RA [i]); |
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| 68 | entry->_num_reg_ra [i] = PORT_READ(in_DECOD_IN_NUM_REG_RA [i]); |
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| 69 | entry->_read_rb [i] = PORT_READ(in_DECOD_IN_READ_RB [i]); |
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| 70 | entry->_num_reg_rb [i] = PORT_READ(in_DECOD_IN_NUM_REG_RB [i]); |
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| 71 | entry->_read_rc [i] = PORT_READ(in_DECOD_IN_READ_RC [i]); |
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| 72 | entry->_num_reg_rc [i] = PORT_READ(in_DECOD_IN_NUM_REG_RC [i]); |
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| 73 | entry->_write_rd [i] = PORT_READ(in_DECOD_IN_WRITE_RD [i]); |
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| 74 | entry->_num_reg_rd [i] = PORT_READ(in_DECOD_IN_NUM_REG_RD [i]); |
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| 75 | entry->_write_re [i] = PORT_READ(in_DECOD_IN_WRITE_RE [i]); |
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| 76 | entry->_num_reg_re [i] = PORT_READ(in_DECOD_IN_NUM_REG_RE [i]); |
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| 77 | entry->_exception_use [i] = PORT_READ(in_DECOD_IN_EXCEPTION_USE [i]); |
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[88] | 78 | entry->_exception [i] = PORT_READ(in_DECOD_IN_EXCEPTION [i]); |
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[82] | 79 | |
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| 80 | reg_NB_INST [context] ++; |
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| 81 | |
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[88] | 82 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * nb_inst : %d"),reg_NB_INST [context]); |
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| 83 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * PUSH queue")); |
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[82] | 84 | } |
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| 85 | } |
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| 86 | |
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| 87 | //-------------------------------------------------------------------- |
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| 88 | //-----[ DECOD_OUT ]-------------------------------------------------- |
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| 89 | //-------------------------------------------------------------------- |
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| 90 | if (not reg_QUEUE->empty()) |
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| 91 | { |
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| 92 | bool find = false; |
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| 93 | |
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| 94 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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| 95 | { |
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| 96 | // Test transaction : if ok then invalid slot |
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| 97 | if (internal_DECOD_OUT_VAL [i] and internal_DECOD_OUT_ACK[i]) |
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| 98 | { |
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[88] | 99 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * DECOD_OUT [%d]"),i); |
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[82] | 100 | |
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| 101 | reg_QUEUE->front()->_val [i] = 0; |
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| 102 | |
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| 103 | Tcontext_t context = reg_QUEUE->front()->_context_id [i]; |
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[88] | 104 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * context : %d"),context); |
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[82] | 105 | |
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| 106 | reg_NB_INST [context] --; |
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[88] | 107 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * nb_inst : %d"),reg_NB_INST [context]); |
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[82] | 108 | } |
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| 109 | // Test if slot is (again) valid, if yes, then have less one instruction in the entry |
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| 110 | find |= reg_QUEUE->front()->_val [i]; |
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| 111 | } |
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| 112 | |
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| 113 | // test if can free the entry |
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| 114 | if (not find) // no valid instruction in current slot |
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| 115 | { |
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[88] | 116 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * POP queue")); |
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[82] | 117 | |
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| 118 | // can pop the slot |
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| 119 | delete reg_QUEUE->front(); |
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| 120 | reg_QUEUE->pop_front(); |
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| 121 | } |
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| 122 | } |
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| 123 | } |
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[87] | 124 | |
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[88] | 125 | #if defined(DEBUG) and defined(DEBUG_Decod_queue) and (DEBUG >= DEBUG_TRACE) |
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| 126 | log_printf(TRACE,Decod_queue,FUNCTION," * Dump decod_queue"); |
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[87] | 127 | uint32_t x=0; |
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| 128 | for (std::list<decod_queue_entry_t*>::iterator it=reg_QUEUE->begin(); |
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| 129 | it!=reg_QUEUE->end(); |
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| 130 | it++) |
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| 131 | { |
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[88] | 132 | log_printf(TRACE,Decod_queue,FUNCTION," * [%d] ",x); |
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[87] | 133 | |
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| 134 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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| 135 | { |
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| 136 | if ((*it)->_val [i]) |
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[88] | 137 | log_printf(TRACE,Decod_queue,FUNCTION," * [%d] %d, %d %d, %d %d %d %d, 0x%x, %d 0x%x, %d %d, %d %d, %d %d, %d %d, %d %d, %d %d" |
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[87] | 138 | ,i |
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| 139 | ,(*it)->_val [i] |
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| 140 | ,(*it)->_context_id [i] |
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| 141 | ,(*it)->_depth [i] |
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| 142 | ,(*it)->_type [i] |
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| 143 | ,(*it)->_operation [i] |
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[88] | 144 | ,(*it)->_no_execute [i] |
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[87] | 145 | ,(*it)->_is_delay_slot [i] |
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| 146 | ,(*it)->_address [i] |
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| 147 | ,(*it)->_has_immediat [i] |
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| 148 | ,(*it)->_immediat [i] |
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| 149 | ,(*it)->_read_ra [i] |
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| 150 | ,(*it)->_num_reg_ra [i] |
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| 151 | ,(*it)->_read_rb [i] |
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| 152 | ,(*it)->_num_reg_rb [i] |
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| 153 | ,(*it)->_read_rc [i] |
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| 154 | ,(*it)->_num_reg_rc [i] |
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| 155 | ,(*it)->_write_rd [i] |
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| 156 | ,(*it)->_num_reg_rd [i] |
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| 157 | ,(*it)->_write_re [i] |
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| 158 | ,(*it)->_num_reg_re [i] |
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| 159 | ,(*it)->_exception_use [i] |
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[88] | 160 | ,(*it)->_exception [i] |
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[87] | 161 | ); |
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| 162 | else |
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[88] | 163 | log_printf(TRACE,Decod_queue,FUNCTION," * [%d] %d" |
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[87] | 164 | ,i |
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| 165 | ,(*it)->_val [i] |
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| 166 | ); |
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| 167 | |
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| 168 | } |
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| 169 | x++; |
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| 170 | } |
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| 171 | #endif |
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[82] | 172 | |
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| 173 | #ifdef STATISTICS |
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[88] | 174 | if (usage_is_set(_usage,USE_STATISTICS)) |
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| 175 | { |
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| 176 | *(_stat_use_queue) += reg_QUEUE->size(); |
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| 177 | for (uint32_t i=0; i<_param->_nb_context; i++) |
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| 178 | *(_stat_nb_inst [i]) += reg_NB_INST [i]; |
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| 179 | } |
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[82] | 180 | #endif |
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| 181 | |
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| 182 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 183 | end_cycle (); |
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| 184 | #endif |
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| 185 | |
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| 186 | log_end(Decod_queue,FUNCTION); |
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| 187 | }; |
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| 188 | |
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| 189 | }; // end namespace decod_queue |
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| 190 | }; // end namespace decod_unit |
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| 191 | }; // end namespace front_end |
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| 192 | }; // end namespace multi_front_end |
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| 193 | }; // end namespace core |
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| 194 | |
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| 195 | }; // end namespace behavioural |
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| 196 | }; // end namespace morpheo |
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| 197 | #endif |
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