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