[54] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Read_queue_genMealy_read_queue_out_gpr.cpp 123 2009-06-08 20:43:30Z 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_Execute_loop/Execute_loop/Multi_Read_unit/Read_unit/Read_queue/include/Read_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_execute_loop { |
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| 15 | namespace execute_loop { |
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| 16 | namespace multi_read_unit { |
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| 17 | namespace read_unit { |
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| 18 | namespace read_queue { |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Read_queue::genMealy_read_queue_out_gpr" |
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| 22 | void Read_queue::genMealy_read_queue_out_gpr (void) |
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| 23 | { |
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[88] | 24 | log_begin(Read_queue,FUNCTION); |
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| 25 | log_function(Read_queue,FUNCTION,_name.c_str()); |
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[54] | 26 | |
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[123] | 27 | if (PORT_READ(in_NRESET)) |
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| 28 | { |
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[54] | 29 | internal_READ_QUEUE_OUT_DATA_RA_VAL = (// Previous value |
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| 30 | _queue_head->_data_ra_val or |
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| 31 | // Test if have already access at the registerfile |
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| 32 | (_queue_head->_read_ra_val and |
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| 33 | PORT_READ(in_GPR_READ_ACK [0]) and |
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| 34 | PORT_READ(in_GPR_READ_DATA_VAL [0])) |
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| 35 | ); |
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| 36 | |
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[88] | 37 | log_printf(TRACE,Read_queue,FUNCTION," * internal_READ_QUEUE_OUT_DATA_RA_VAL : %d",internal_READ_QUEUE_OUT_DATA_RA_VAL); |
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| 38 | log_printf(TRACE,Read_queue,FUNCTION," * _queue_head->_data_ra_val : %d",_queue_head->_data_ra_val); |
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| 39 | log_printf(TRACE,Read_queue,FUNCTION," * _queue_head->_read_ra_val : %d",_queue_head->_read_ra_val); |
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| 40 | log_printf(TRACE,Read_queue,FUNCTION," * in_GPR_READ_ACK [0] : %d",PORT_READ(in_GPR_READ_ACK [0])); |
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| 41 | log_printf(TRACE,Read_queue,FUNCTION," * in_GPR_READ_DATA_VAL [0] : %d",PORT_READ(in_GPR_READ_DATA_VAL [0])); |
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[54] | 42 | |
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| 43 | internal_READ_QUEUE_OUT_DATA_RB_VAL = (_queue_head->_data_rb_val or |
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| 44 | (_queue_head->_read_rb_val and |
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| 45 | PORT_READ(in_GPR_READ_ACK [1]) and |
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| 46 | PORT_READ(in_GPR_READ_DATA_VAL [1])) |
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| 47 | ); |
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| 48 | |
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[88] | 49 | log_printf(TRACE,Read_queue,FUNCTION," * internal_READ_QUEUE_OUT_DATA_RB_VAL : %d",internal_READ_QUEUE_OUT_DATA_RB_VAL); |
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| 50 | log_printf(TRACE,Read_queue,FUNCTION," * _queue_head->_data_rb_val : %d",_queue_head->_data_rb_val); |
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| 51 | log_printf(TRACE,Read_queue,FUNCTION," * _queue_head->_read_rb_val : %d",_queue_head->_read_rb_val); |
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| 52 | log_printf(TRACE,Read_queue,FUNCTION," * in_GPR_READ_ACK [1] : %d",PORT_READ(in_GPR_READ_ACK [1])); |
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| 53 | log_printf(TRACE,Read_queue,FUNCTION," * in_GPR_READ_DATA_VAL [1] : %d",PORT_READ(in_GPR_READ_DATA_VAL [1])); |
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[54] | 54 | |
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| 55 | |
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| 56 | internal_READ_QUEUE_OUT_DATA_RA = (// Test if have an previous access |
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| 57 | (_queue_head->_data_ra_val)? |
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| 58 | // if precious access, take previous data |
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| 59 | _queue_head->_data_ra: |
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| 60 | // else, take the read_data (don't test the validity of data) |
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| 61 | PORT_READ(in_GPR_READ_DATA [0])); |
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| 62 | |
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| 63 | internal_READ_QUEUE_OUT_DATA_RB = ((_queue_head->_data_rb_val)? |
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| 64 | _queue_head->_data_rb: |
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| 65 | PORT_READ(in_GPR_READ_DATA [1])); |
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| 66 | |
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| 67 | // Test all bypass |
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| 68 | for (uint32_t i=0; i<_param->_nb_gpr_write ; i++) |
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| 69 | { |
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[68] | 70 | bool cmp; |
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| 71 | |
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| 72 | if (_param->_have_port_ooo_engine_id) |
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| 73 | cmp = (PORT_READ (in_GPR_WRITE_OOO_ENGINE_ID [i]) == _queue_head->_ooo_engine_id); |
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| 74 | else |
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| 75 | cmp = true; |
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| 76 | |
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[54] | 77 | // Test if this bypass is valid |
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[68] | 78 | if ( (PORT_READ (in_GPR_WRITE_VAL [i]) == 1) and cmp) |
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[54] | 79 | { |
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[55] | 80 | Tgeneral_address_t gpr_write_num_reg = PORT_READ(in_GPR_WRITE_NUM_REG [i]); |
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| 81 | Tgeneral_data_t gpr_write_data = PORT_READ(in_GPR_WRITE_DATA [i]); |
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[54] | 82 | |
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[55] | 83 | if (_queue_head->_num_reg_ra == gpr_write_num_reg) |
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[54] | 84 | { |
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[88] | 85 | log_printf(TRACE,Read_queue,FUNCTION," * internal_READ_QUEUE_OUT_DATA_RA_VAL - bypass hit (%d)",i); |
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[54] | 86 | |
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| 87 | internal_READ_QUEUE_OUT_DATA_RA_VAL = 1; |
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[68] | 88 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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| 89 | if (_queue_head->_read_ra == 1) |
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| 90 | #endif |
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[55] | 91 | internal_READ_QUEUE_OUT_DATA_RA = gpr_write_data; |
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[54] | 92 | } |
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[55] | 93 | if (_queue_head->_num_reg_rb == gpr_write_num_reg) |
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[54] | 94 | { |
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[88] | 95 | log_printf(TRACE,Read_queue,FUNCTION," * internal_READ_QUEUE_OUT_DATA_RB_VAL - bypass hit (%d)",i); |
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[54] | 96 | internal_READ_QUEUE_OUT_DATA_RB_VAL = 1; |
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[68] | 97 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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| 98 | if (_queue_head->_read_rb == 1) |
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| 99 | #endif |
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[55] | 100 | internal_READ_QUEUE_OUT_DATA_RB = gpr_write_data; |
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[54] | 101 | } |
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| 102 | } |
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| 103 | } |
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| 104 | |
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| 105 | // Affectation out port |
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| 106 | PORT_WRITE(out_READ_QUEUE_OUT_DATA_RA ,internal_READ_QUEUE_OUT_DATA_RA ); |
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| 107 | PORT_WRITE(out_READ_QUEUE_OUT_DATA_RB ,internal_READ_QUEUE_OUT_DATA_RB ); |
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[123] | 108 | } |
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| 109 | else |
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| 110 | { |
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| 111 | internal_READ_QUEUE_OUT_DATA_RA_VAL = 0; |
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| 112 | internal_READ_QUEUE_OUT_DATA_RB_VAL = 0; |
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| 113 | // internal_READ_QUEUE_OUT_DATA_RA = 0; |
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| 114 | // internal_READ_QUEUE_OUT_DATA_RB = 0; |
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| 115 | } |
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[54] | 116 | |
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[123] | 117 | PORT_WRITE(out_READ_QUEUE_OUT_DATA_RA_VAL,internal_READ_QUEUE_OUT_DATA_RA_VAL); |
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| 118 | PORT_WRITE(out_READ_QUEUE_OUT_DATA_RB_VAL,internal_READ_QUEUE_OUT_DATA_RB_VAL); |
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| 119 | |
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[88] | 120 | log_end(Read_queue,FUNCTION); |
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[54] | 121 | }; |
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| 122 | |
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| 123 | }; // end namespace read_queue |
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| 124 | }; // end namespace read_unit |
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| 125 | }; // end namespace multi_read_unit |
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| 126 | }; // end namespace execute_loop |
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| 127 | }; // end namespace multi_execute_loop |
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| 128 | }; // end namespace core |
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| 129 | }; // end namespace behavioural |
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| 130 | }; // end namespace morpheo |
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| 131 | #endif |
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