1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Operation.cpp 101 2009-01-15 17:19:08Z 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_Execute_unit/Execute_unit/Functionnal_unit/Operation/include/Operation.h" |
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10 | #include "Behavioural/include/Operation.h" |
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11 | |
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12 | namespace morpheo { |
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13 | namespace behavioural { |
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14 | namespace core { |
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15 | namespace multi_execute_loop { |
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16 | namespace execute_loop { |
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17 | namespace multi_execute_unit { |
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18 | namespace execute_unit { |
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19 | namespace functionnal_unit { |
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20 | |
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21 | #undef FUNCTION |
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22 | #define FUNCTION "Functionnal_unit::operation_unimplemented" |
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23 | void operation_unimplemented (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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24 | { |
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25 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : unimplemented"); |
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26 | |
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27 | throw ERRORMORPHEO(FUNCTION,"The operation '"+toString(op->_operation)+"' is not implemented in this Functionnal_unit"); |
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28 | }; |
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29 | |
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30 | #undef FUNCTION |
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31 | #define FUNCTION "Functionnal_unit::operation_l_add" |
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32 | void operation_l_add (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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33 | { |
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34 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_add"); |
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35 | |
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36 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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37 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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38 | |
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39 | Tgeneral_data_t gpr3 = param->_mask_data & (gpr1 + gpr2); |
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40 | |
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41 | bool overflow = ovf (param->_size_data,gpr1,gpr2,gpr3); |
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42 | bool carry_out = carry(param->_size_data,gpr1,gpr2,gpr3); |
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43 | |
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44 | // Result |
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45 | op->_timing = param->_timing[op->_type][op->_operation]; |
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46 | op->_data_rd = gpr3; |
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47 | op->_data_re = 0; |
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48 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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49 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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50 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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51 | op->_no_sequence = 0; |
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52 | //op->_address = 0; |
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53 | }; |
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54 | |
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55 | #undef FUNCTION |
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56 | #define FUNCTION "Functionnal_unit::operation_l_addc" |
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57 | void operation_l_addc (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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58 | { |
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59 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_addc"); |
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60 | |
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61 | Tgeneral_data_t carry_in = get_flag(op->_data_rc,FLAG_CY); |
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62 | |
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63 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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64 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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65 | Tgeneral_data_t gpr3 = param->_mask_data & (gpr1 + gpr2 + carry_in); |
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66 | |
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67 | bool overflow = ovf (param->_size_data,gpr1,gpr2,gpr3); |
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68 | bool carry_out = carry(param->_size_data,gpr1,gpr2,gpr3); |
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69 | |
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70 | // Result |
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71 | op->_timing = param->_timing[op->_type][op->_operation]; |
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72 | op->_data_rd = gpr3; |
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73 | op->_data_re = 0; |
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74 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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75 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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76 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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77 | op->_no_sequence = 0; |
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78 | //op->_address = 0; |
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79 | }; |
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80 | |
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81 | #undef FUNCTION |
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82 | #define FUNCTION "Functionnal_unit::operation_l_sub" |
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83 | void operation_l_sub (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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84 | { |
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85 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sub"); |
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86 | |
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87 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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88 | Tgeneral_data_t gpr2 = neg(param->_size_data,unsigned(param->_size_data,op->_data_rb)); |
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89 | Tgeneral_data_t gpr3 = param->_mask_data & (gpr1 + gpr2); |
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90 | |
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91 | bool overflow = ovf (param->_size_data,gpr1,gpr2,gpr3); |
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92 | // bool carry_out = carry(param->_size_data,gpr1,gpr2,gpr3); |
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93 | // In ISA : l.sub don't change flag carry |
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94 | bool carry_out = get_flag(op->_data_rc,FLAG_CY); |
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95 | |
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96 | // Result |
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97 | op->_timing = param->_timing[op->_type][op->_operation]; |
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98 | op->_data_rd = gpr3; |
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99 | op->_data_re = 0; |
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100 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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101 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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102 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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103 | op->_no_sequence = 0; |
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104 | //op->_address = 0; |
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105 | }; |
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106 | |
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107 | #undef FUNCTION |
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108 | #define FUNCTION "Functionnal_unit::operation_l_mul" |
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109 | void operation_l_mul (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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110 | { |
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111 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mul"); |
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112 | |
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113 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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114 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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115 | Tgeneral_data_t gpr3 ; |
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116 | bool overflow ; |
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117 | bool carry_out ; |
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118 | |
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119 | if (param->_size_data == 32) |
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120 | { |
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121 | int64_t res = static_cast<int64_t>(gpr1) * static_cast<int64_t>(gpr2); |
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122 | |
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123 | log_printf(TRACE,Functionnal_unit,FUNCTION," * res : %llx",res); |
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124 | |
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125 | gpr3 = param->_mask_data & static_cast<Tgeneral_data_t>(res); |
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126 | carry_out = res != gpr3; |
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127 | overflow = carry_out; |
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128 | } |
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129 | else |
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130 | { |
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131 | throw ERRORMORPHEO(FUNCTION,_("64 bits multiplcation : not yet implemented\n")); |
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132 | } |
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133 | |
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134 | // Result |
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135 | op->_timing = param->_timing[op->_type][op->_operation]; |
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136 | op->_data_rd = gpr3; |
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137 | op->_data_re = 0; |
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138 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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139 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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140 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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141 | op->_no_sequence = 0; |
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142 | //op->_address = 0; |
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143 | }; |
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144 | |
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145 | #undef FUNCTION |
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146 | #define FUNCTION "Functionnal_unit::operation_l_mulu" |
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147 | void operation_l_mulu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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148 | { |
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149 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mulu"); |
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150 | |
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151 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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152 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,op->_data_rb); |
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153 | Tgeneral_data_t gpr3 ; |
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154 | bool overflow ; |
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155 | bool carry_out ; |
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156 | |
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157 | if (param->_size_data == 32) |
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158 | { |
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159 | uint64_t res = static_cast<uint64_t>(gpr1) * static_cast<uint64_t>(gpr2); |
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160 | |
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161 | log_printf(TRACE,Functionnal_unit,FUNCTION," * res : %llx",res); |
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162 | |
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163 | gpr3 = param->_mask_data & static_cast<Tgeneral_data_t>(res); |
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164 | carry_out = res != gpr3; |
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165 | overflow = carry_out; |
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166 | } |
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167 | else |
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168 | { |
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169 | throw ERRORMORPHEO(FUNCTION,_("64 bits multiplcation : not yet implemented\n")); |
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170 | } |
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171 | |
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172 | // Result |
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173 | op->_timing = param->_timing[op->_type][op->_operation]; |
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174 | op->_data_rd = gpr3; |
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175 | op->_data_re = 0; |
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176 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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177 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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178 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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179 | op->_no_sequence = 0; |
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180 | //op->_address = 0; |
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181 | }; |
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182 | |
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183 | #undef FUNCTION |
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184 | #define FUNCTION "Functionnal_unit::operation_l_div" |
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185 | void operation_l_div (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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186 | { |
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187 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_div"); |
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188 | |
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189 | Tgeneral_data_t gpr1 = signed(param->_size_data,op->_data_ra); |
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190 | Tgeneral_data_t gpr2 = signed(param->_size_data,op->_data_rb); |
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191 | Tgeneral_data_t gpr3 = (gpr2!=0)?(gpr1/gpr2):0; |
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192 | bool overflow = ovf (param->_size_data,gpr1,gpr2,gpr3); |
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193 | bool carry_out = (gpr2==0); |
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194 | |
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195 | // Result |
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196 | op->_timing = param->_timing[op->_type][op->_operation]; |
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197 | op->_data_rd = gpr3; |
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198 | op->_data_re = 0; |
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199 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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200 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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201 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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202 | op->_no_sequence = 0; |
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203 | //op->_address = 0; |
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204 | }; |
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205 | |
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206 | #undef FUNCTION |
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207 | #define FUNCTION "Functionnal_unit::operation_l_divu" |
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208 | void operation_l_divu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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209 | { |
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210 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_divu"); |
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211 | |
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212 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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213 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,op->_data_rb); |
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214 | Tgeneral_data_t gpr3 = (gpr2!=0)?(gpr1/gpr2):0; |
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215 | bool overflow = ovf (param->_size_data,gpr1,gpr2,gpr3); |
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216 | bool carry_out = (gpr2==0); |
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217 | |
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218 | // Result |
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219 | op->_timing = param->_timing[op->_type][op->_operation]; |
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220 | op->_data_rd = gpr3; |
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221 | op->_data_re = 0; |
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222 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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223 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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224 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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225 | op->_no_sequence = 0; |
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226 | //op->_address = 0; |
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227 | }; |
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228 | |
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229 | #undef FUNCTION |
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230 | #define FUNCTION "Functionnal_unit::operation_l_and" |
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231 | void operation_l_and (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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232 | { |
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233 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_and"); |
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234 | |
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235 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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236 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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237 | Tgeneral_data_t gpr3 = (gpr1 & gpr2); |
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238 | |
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239 | // Result |
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240 | op->_timing = param->_timing[op->_type][op->_operation]; |
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241 | op->_data_rd = gpr3; |
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242 | //op->_data_re = 0; |
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243 | op->_exception = EXCEPTION_ALU_NONE; |
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244 | op->_no_sequence = 0; |
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245 | //op->_address = 0; |
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246 | }; |
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247 | |
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248 | #undef FUNCTION |
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249 | #define FUNCTION "Functionnal_unit::operation_l_or" |
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250 | void operation_l_or (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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251 | { |
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252 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_or"); |
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253 | |
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254 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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255 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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256 | Tgeneral_data_t gpr3 = (gpr1 | gpr2); |
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257 | |
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258 | // Result |
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259 | op->_timing = param->_timing[op->_type][op->_operation]; |
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260 | op->_data_rd = gpr3; |
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261 | //op->_data_re = 0; |
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262 | op->_exception = EXCEPTION_ALU_NONE; |
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263 | op->_no_sequence = 0; |
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264 | //op->_address = 0; |
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265 | }; |
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266 | |
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267 | #undef FUNCTION |
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268 | #define FUNCTION "Functionnal_unit::operation_l_xor" |
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269 | void operation_l_xor (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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270 | { |
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271 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_xor"); |
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272 | |
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273 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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274 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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275 | Tgeneral_data_t gpr3 = (gpr1 ^ gpr2); |
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276 | |
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277 | // Result |
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278 | op->_timing = param->_timing[op->_type][op->_operation]; |
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279 | op->_data_rd = gpr3; |
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280 | //op->_data_re = 0; |
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281 | op->_exception = EXCEPTION_ALU_NONE; |
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282 | op->_no_sequence = 0; |
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283 | //op->_address = 0; |
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284 | }; |
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285 | |
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286 | #undef FUNCTION |
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287 | #define FUNCTION "Functionnal_unit::operation_l_movhi" |
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288 | void operation_l_movhi (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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289 | { |
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290 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_movhi"); |
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291 | |
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292 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_immediat); |
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293 | Tgeneral_data_t gpr2 = param->_mask_data & (gpr1<<16); |
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294 | |
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295 | // Result |
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296 | op->_timing = param->_timing[op->_type][op->_operation]; |
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297 | op->_data_rd = gpr2; |
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298 | //op->_data_re = 0; |
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299 | op->_exception = EXCEPTION_ALU_NONE; |
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300 | op->_no_sequence = 0; |
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301 | //op->_address = 0; |
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302 | }; |
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303 | |
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304 | #undef FUNCTION |
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305 | #define FUNCTION "Functionnal_unit::operation_l_cmov" |
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306 | void operation_l_cmov (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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307 | { |
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308 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_cmov"); |
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309 | |
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310 | Tgeneral_data_t f_in = get_flag(op->_data_rc,FLAG_F); |
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311 | |
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312 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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313 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,op->_data_rb); |
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314 | Tgeneral_data_t gpr3 = ((f_in==0)?gpr2:gpr1); |
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315 | |
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316 | // Result |
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317 | op->_timing = param->_timing[op->_type][op->_operation]; |
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318 | op->_data_rd = gpr3; |
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319 | //op->_data_re = 0; |
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320 | op->_exception = EXCEPTION_ALU_NONE; |
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321 | op->_no_sequence = 0; |
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322 | //op->_address = 0; |
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323 | }; |
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324 | |
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325 | #undef FUNCTION |
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326 | #define FUNCTION "Functionnal_unit::operation_l_test_f" |
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327 | void operation_l_test_f (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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328 | { |
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329 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_test_f"); |
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330 | |
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331 | Tgeneral_data_t f_in = get_flag(op->_data_rc,FLAG_F); |
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332 | Tgeneral_data_t imm = unsigned(param->_size_data,op->_immediat); |
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333 | |
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334 | // Result |
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335 | op->_timing = param->_timing[op->_type][op->_operation]; |
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336 | //op->_data_rd = 0; |
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337 | //op->_data_re = 0; |
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338 | op->_exception = EXCEPTION_ALU_NONE; |
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339 | op->_no_sequence = f_in != 0; |
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340 | op->_address = imm; |
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341 | }; |
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342 | |
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343 | #undef FUNCTION |
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344 | #define FUNCTION "Functionnal_unit::operation_l_test_nf" |
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345 | void operation_l_test_nf (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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346 | { |
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347 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_test_nf"); |
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348 | |
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349 | Tgeneral_data_t f_in = get_flag(op->_data_rc,FLAG_F); |
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350 | Tgeneral_data_t imm = unsigned(param->_size_data,op->_immediat); |
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351 | |
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352 | log_printf(TRACE,Functionnal_unit,FUNCTION," * data_rc : %d",op->_data_rc); |
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353 | log_printf(TRACE,Functionnal_unit,FUNCTION," * f_in : %d",f_in); |
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354 | |
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355 | // Result |
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356 | op->_timing = param->_timing[op->_type][op->_operation]; |
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357 | //op->_data_rd = 0; |
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358 | //op->_data_re = 0; |
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359 | op->_exception = EXCEPTION_ALU_NONE; |
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360 | op->_no_sequence = f_in == 0; |
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361 | op->_address = imm; |
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362 | |
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363 | log_printf(TRACE,Functionnal_unit,FUNCTION," * no_sequence : %d",op->_no_sequence); |
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364 | }; |
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365 | |
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366 | #undef FUNCTION |
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367 | #define FUNCTION "Functionnal_unit::operation_l_jalr" |
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368 | void operation_l_jalr (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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369 | { |
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370 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_jalr"); |
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371 | // jal : has_imm = 1, write_rd = 1, read_rb = 0 |
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372 | // jalr : has_imm = 1, write_rd = 1, read_rb = 1 |
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373 | // jr : has_imm = 0, write_rd = 0, read_rb = 1 |
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374 | |
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375 | |
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376 | Tgeneral_data_t gpr = unsigned(param->_size_data,op->_data_rb); |
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377 | Tgeneral_data_t imm = unsigned(param->_size_data,op->_immediat); |
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378 | |
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379 | // Result |
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380 | op->_timing = param->_timing[op->_type][op->_operation]; |
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381 | op->_data_rd = imm<<2; // add "00" |
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382 | //op->_data_re = 0; |
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383 | op->_exception = EXCEPTION_ALU_NONE; |
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384 | op->_no_sequence = 1; |
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385 | op->_address = gpr>>2; // del "00" |
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386 | }; |
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387 | |
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388 | #undef FUNCTION |
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389 | #define FUNCTION "Functionnal_unit::operation_l_extend_s" |
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390 | void operation_l_extend_s (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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391 | { |
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392 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_extend_s"); |
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393 | |
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394 | Tgeneral_data_t imm = unsigned(param->_size_data,op->_immediat); |
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395 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
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396 | Tgeneral_data_t gpr2 = extend<Tgeneral_data_t>(param->_size_data, gpr1, true , imm); |
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397 | |
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398 | // Result |
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399 | op->_timing = param->_timing[op->_type][op->_operation]; |
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400 | op->_data_rd = gpr2; |
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401 | //op->_data_re = 0; |
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402 | op->_exception = EXCEPTION_ALU_NONE; |
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403 | op->_no_sequence = 0; |
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404 | //op->_address = 0; |
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405 | }; |
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406 | |
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407 | #undef FUNCTION |
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408 | #define FUNCTION "Functionnal_unit::operation_l_extend_z" |
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409 | void operation_l_extend_z (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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410 | { |
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411 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_extend_z"); |
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412 | |
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413 | Tgeneral_data_t imm = unsigned(param->_size_data,op->_immediat); |
---|
414 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
415 | Tgeneral_data_t gpr2 = extend<Tgeneral_data_t>(param->_size_data, gpr1, false , imm); |
---|
416 | |
---|
417 | // Result |
---|
418 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
419 | op->_data_rd = gpr2; |
---|
420 | //op->_data_re = 0; |
---|
421 | op->_exception = EXCEPTION_ALU_NONE; |
---|
422 | op->_no_sequence = 0; |
---|
423 | //op->_address = 0; |
---|
424 | }; |
---|
425 | |
---|
426 | #undef FUNCTION |
---|
427 | #define FUNCTION "Functionnal_unit::operation_l_sll" |
---|
428 | void operation_l_sll (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
429 | { |
---|
430 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sll"); |
---|
431 | |
---|
432 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
433 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
434 | Tgeneral_data_t gpr3 = shift_logic_left<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
---|
435 | |
---|
436 | // Result |
---|
437 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
438 | op->_data_rd = gpr3; |
---|
439 | //op->_data_re = 0; |
---|
440 | op->_exception = EXCEPTION_ALU_NONE; |
---|
441 | op->_no_sequence = 0; |
---|
442 | //op->_address = 0; |
---|
443 | }; |
---|
444 | |
---|
445 | #undef FUNCTION |
---|
446 | #define FUNCTION "Functionnal_unit::operation_l_srl" |
---|
447 | void operation_l_srl (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
448 | { |
---|
449 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_srl"); |
---|
450 | |
---|
451 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
452 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
453 | Tgeneral_data_t gpr3 = shift_logic_right<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
---|
454 | |
---|
455 | // Result |
---|
456 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
457 | op->_data_rd = gpr3; |
---|
458 | //op->_data_re = 0; |
---|
459 | op->_exception = EXCEPTION_ALU_NONE; |
---|
460 | op->_no_sequence = 0; |
---|
461 | //op->_address = 0; |
---|
462 | }; |
---|
463 | |
---|
464 | #undef FUNCTION |
---|
465 | #define FUNCTION "Functionnal_unit::operation_l_sra" |
---|
466 | void operation_l_sra (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
467 | { |
---|
468 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sra"); |
---|
469 | |
---|
470 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
471 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
472 | Tgeneral_data_t gpr3 = shift_arithmetic_right<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
---|
473 | |
---|
474 | // Result |
---|
475 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
476 | op->_data_rd = gpr3; |
---|
477 | //op->_data_re = 0; |
---|
478 | op->_exception = EXCEPTION_ALU_NONE; |
---|
479 | op->_no_sequence = 0; |
---|
480 | //op->_address = 0; |
---|
481 | }; |
---|
482 | |
---|
483 | #undef FUNCTION |
---|
484 | #define FUNCTION "Functionnal_unit::operation_l_ror" |
---|
485 | void operation_l_ror (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
486 | { |
---|
487 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_ror"); |
---|
488 | |
---|
489 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
490 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
491 | Tgeneral_data_t gpr3 = rotate_right<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
---|
492 | |
---|
493 | // Result |
---|
494 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
495 | op->_data_rd = gpr3; |
---|
496 | //op->_data_re = 0; |
---|
497 | op->_exception = EXCEPTION_ALU_NONE; |
---|
498 | op->_no_sequence = 0; |
---|
499 | //op->_address = 0; |
---|
500 | }; |
---|
501 | |
---|
502 | #undef FUNCTION |
---|
503 | #define FUNCTION "Functionnal_unit::operation_l_ff1" |
---|
504 | void operation_l_ff1 (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
505 | { |
---|
506 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_ff1"); |
---|
507 | |
---|
508 | Tgeneral_data_t gpr = unsigned(param->_size_data,op->_data_ra); |
---|
509 | Tgeneral_data_t index; |
---|
510 | |
---|
511 | for (index=0; (index<param->_size_data) and (((gpr>>index)&1)!= 1); index++); |
---|
512 | |
---|
513 | // Result |
---|
514 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
515 | op->_data_rd = (index==param->_size_data)?0:(index+1); |
---|
516 | //op->_data_re = 0; |
---|
517 | op->_exception = EXCEPTION_ALU_NONE; |
---|
518 | op->_no_sequence = 0; |
---|
519 | //op->_address = 0; |
---|
520 | }; |
---|
521 | |
---|
522 | #undef FUNCTION |
---|
523 | #define FUNCTION "Functionnal_unit::operation_l_fl1" |
---|
524 | void operation_l_fl1 (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
525 | { |
---|
526 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_fl1"); |
---|
527 | |
---|
528 | Tgeneral_data_t gpr = unsigned(param->_size_data,op->_data_ra); |
---|
529 | Tgeneral_data_t index; |
---|
530 | |
---|
531 | for (index=param->_size_data; (index>0) and (((gpr>>(index-1))&1)!= 1); index--); |
---|
532 | |
---|
533 | // Result |
---|
534 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
535 | op->_data_rd = index; |
---|
536 | //op->_data_re = 0; |
---|
537 | op->_exception = EXCEPTION_ALU_NONE; |
---|
538 | op->_no_sequence = 0; |
---|
539 | //op->_address = 0; |
---|
540 | }; |
---|
541 | |
---|
542 | #undef FUNCTION |
---|
543 | #define FUNCTION "Functionnal_unit::operation_l_sfeq" |
---|
544 | void operation_l_sfeq (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
545 | { |
---|
546 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfeq"); |
---|
547 | |
---|
548 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
549 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
550 | |
---|
551 | bool f_out = (gpr1 == gpr2); |
---|
552 | |
---|
553 | // Result |
---|
554 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
555 | //op->_data_rd = 0; |
---|
556 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
557 | op->_exception = EXCEPTION_ALU_NONE; |
---|
558 | op->_no_sequence = 0; |
---|
559 | //op->_address = 0; |
---|
560 | }; |
---|
561 | |
---|
562 | #undef FUNCTION |
---|
563 | #define FUNCTION "Functionnal_unit::operation_l_sfne" |
---|
564 | void operation_l_sfne (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
565 | { |
---|
566 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfne"); |
---|
567 | |
---|
568 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
569 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
570 | |
---|
571 | bool f_out = (gpr1 != gpr2); |
---|
572 | |
---|
573 | // Result |
---|
574 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
575 | //op->_data_rd = 0; |
---|
576 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
577 | op->_exception = EXCEPTION_ALU_NONE; |
---|
578 | op->_no_sequence = 0; |
---|
579 | //op->_address = 0; |
---|
580 | }; |
---|
581 | |
---|
582 | #undef FUNCTION |
---|
583 | #define FUNCTION "Functionnal_unit::operation_l_sfgeu" |
---|
584 | void operation_l_sfgeu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
585 | { |
---|
586 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfgeu"); |
---|
587 | |
---|
588 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
589 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
590 | |
---|
591 | // Tgeneral_data_t is unsigned |
---|
592 | bool f_out = (gpr1 >= gpr2); |
---|
593 | |
---|
594 | // Result |
---|
595 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
596 | //op->_data_rd = 0; |
---|
597 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
598 | op->_exception = EXCEPTION_ALU_NONE; |
---|
599 | op->_no_sequence = 0; |
---|
600 | //op->_address = 0; |
---|
601 | }; |
---|
602 | |
---|
603 | #undef FUNCTION |
---|
604 | #define FUNCTION "Functionnal_unit::operation_l_sfgtu" |
---|
605 | void operation_l_sfgtu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
606 | { |
---|
607 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfgtu"); |
---|
608 | |
---|
609 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
610 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
611 | |
---|
612 | // Tgeneral_data_t is unsigned |
---|
613 | bool f_out = (gpr1 > gpr2); |
---|
614 | |
---|
615 | // Result |
---|
616 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
617 | //op->_data_rd = 0; |
---|
618 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
619 | op->_exception = EXCEPTION_ALU_NONE; |
---|
620 | op->_no_sequence = 0; |
---|
621 | //op->_address = 0; |
---|
622 | }; |
---|
623 | |
---|
624 | #undef FUNCTION |
---|
625 | #define FUNCTION "Functionnal_unit::operation_l_sfleu" |
---|
626 | void operation_l_sfleu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
627 | { |
---|
628 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfleu"); |
---|
629 | |
---|
630 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
631 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
632 | |
---|
633 | // Tgeneral_data_t is unsigned |
---|
634 | bool f_out = (gpr1 <= gpr2); |
---|
635 | |
---|
636 | // Result |
---|
637 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
638 | //op->_data_rd = 0; |
---|
639 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
640 | op->_exception = EXCEPTION_ALU_NONE; |
---|
641 | op->_no_sequence = 0; |
---|
642 | //op->_address = 0; |
---|
643 | }; |
---|
644 | |
---|
645 | #undef FUNCTION |
---|
646 | #define FUNCTION "Functionnal_unit::operation_l_sfltu" |
---|
647 | void operation_l_sfltu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
648 | { |
---|
649 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfltu"); |
---|
650 | |
---|
651 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
652 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
653 | |
---|
654 | // Tgeneral_data_t is unsigned |
---|
655 | bool f_out = (gpr1 < gpr2); |
---|
656 | |
---|
657 | // Result |
---|
658 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
659 | //op->_data_rd = 0; |
---|
660 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
661 | op->_exception = EXCEPTION_ALU_NONE; |
---|
662 | op->_no_sequence = 0; |
---|
663 | //op->_address = 0; |
---|
664 | }; |
---|
665 | |
---|
666 | #undef FUNCTION |
---|
667 | #define FUNCTION "Functionnal_unit::operation_l_sfges" |
---|
668 | void operation_l_sfges (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
669 | { |
---|
670 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfges"); |
---|
671 | |
---|
672 | Tgeneral_data_t gpr1 = op->_data_ra; |
---|
673 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb; |
---|
674 | |
---|
675 | bool f_out; |
---|
676 | |
---|
677 | if (param->_size_data == 32) |
---|
678 | f_out = static_cast<int32_t>(gpr1) >= static_cast<int32_t>(gpr2); |
---|
679 | else |
---|
680 | f_out = static_cast<int64_t>(gpr1) >= static_cast<int64_t>(gpr2); |
---|
681 | |
---|
682 | // switch (concatenation_bool(sign(param->_size_data,gpr1),sign(param->_size_data,gpr2))) |
---|
683 | // { |
---|
684 | // case 1 /*b01*/ : f_out = 1 ; break; |
---|
685 | // case 2 /*b10*/ : f_out = 0 ; break; |
---|
686 | // default : f_out = signed(param->_size_data,gpr1) >= signed(param->_size_data,gpr2); break; |
---|
687 | // } |
---|
688 | |
---|
689 | // Result |
---|
690 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
691 | //op->_data_rd = 0; |
---|
692 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
693 | op->_exception = EXCEPTION_ALU_NONE; |
---|
694 | op->_no_sequence = 0; |
---|
695 | //op->_address = 0; |
---|
696 | }; |
---|
697 | |
---|
698 | #undef FUNCTION |
---|
699 | #define FUNCTION "Functionnal_unit::operation_l_sfgts" |
---|
700 | void operation_l_sfgts (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
701 | { |
---|
702 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfgts"); |
---|
703 | |
---|
704 | Tgeneral_data_t gpr1 = op->_data_ra ; |
---|
705 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb ; |
---|
706 | |
---|
707 | bool f_out; |
---|
708 | |
---|
709 | if (param->_size_data == 32) |
---|
710 | f_out = static_cast<int32_t>(gpr1) > static_cast<int32_t>(gpr2); |
---|
711 | else |
---|
712 | f_out = static_cast<int64_t>(gpr1) > static_cast<int64_t>(gpr2); |
---|
713 | |
---|
714 | // switch (concatenation_bool(sign(param->_size_data,gpr1),sign(param->_size_data,gpr2))) |
---|
715 | // { |
---|
716 | // case 1 /*b01*/ : f_out = 1; break; |
---|
717 | // case 2 /*b10*/ : f_out = 0; break; |
---|
718 | // default : f_out = signed(param->_size_data,gpr1) > signed(param->_size_data,gpr2); break; |
---|
719 | // } |
---|
720 | |
---|
721 | // Result |
---|
722 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
723 | //op->_data_rd = 0; |
---|
724 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
725 | op->_exception = EXCEPTION_ALU_NONE; |
---|
726 | op->_no_sequence = 0; |
---|
727 | //op->_address = 0; |
---|
728 | }; |
---|
729 | |
---|
730 | #undef FUNCTION |
---|
731 | #define FUNCTION "Functionnal_unit::operation_l_sfles" |
---|
732 | void operation_l_sfles (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
733 | { |
---|
734 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfles"); |
---|
735 | |
---|
736 | Tgeneral_data_t gpr1 = op->_data_ra ; |
---|
737 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb ; |
---|
738 | |
---|
739 | bool f_out; |
---|
740 | |
---|
741 | if (param->_size_data == 32) |
---|
742 | f_out = static_cast<int32_t>(gpr1) <= static_cast<int32_t>(gpr2); |
---|
743 | else |
---|
744 | f_out = static_cast<int64_t>(gpr1) <= static_cast<int64_t>(gpr2); |
---|
745 | |
---|
746 | // switch (concatenation_bool(sign(param->_size_data,gpr1),sign(param->_size_data,gpr2))) |
---|
747 | // { |
---|
748 | // case 1 /*b01*/ : f_out = 0; break; |
---|
749 | // case 2 /*b10*/ : f_out = 1; break; |
---|
750 | // default : f_out = signed(param->_size_data,gpr1) <= signed(param->_size_data,gpr2); break; |
---|
751 | // } |
---|
752 | |
---|
753 | // Result |
---|
754 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
755 | //op->_data_rd = 0; |
---|
756 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
757 | op->_exception = EXCEPTION_ALU_NONE; |
---|
758 | op->_no_sequence = 0; |
---|
759 | //op->_address = 0; |
---|
760 | }; |
---|
761 | |
---|
762 | #undef FUNCTION |
---|
763 | #define FUNCTION "Functionnal_unit::operation_l_sflts" |
---|
764 | void operation_l_sflts (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
765 | { |
---|
766 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sflts"); |
---|
767 | |
---|
768 | Tgeneral_data_t gpr1 = op->_data_ra ; |
---|
769 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb; |
---|
770 | |
---|
771 | bool f_out; |
---|
772 | |
---|
773 | if (param->_size_data == 32) |
---|
774 | f_out = static_cast<int32_t>(gpr1) < static_cast<int32_t>(gpr2); |
---|
775 | else |
---|
776 | f_out = static_cast<int64_t>(gpr1) < static_cast<int64_t>(gpr2); |
---|
777 | |
---|
778 | // switch (concatenation_bool(sign(param->_size_data,gpr1),sign(param->_size_data,gpr2))) |
---|
779 | // { |
---|
780 | // case 1 /*b01*/ : f_out = 0; break; |
---|
781 | // case 2 /*b10*/ : f_out = 1; break; |
---|
782 | // default : f_out = signed(param->_size_data,gpr1) < signed(param->_size_data,gpr2); break; |
---|
783 | // } |
---|
784 | |
---|
785 | // Result |
---|
786 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
787 | //op->_data_rd = 0; |
---|
788 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
789 | op->_exception = EXCEPTION_ALU_NONE; |
---|
790 | op->_no_sequence = 0; |
---|
791 | //op->_address = 0; |
---|
792 | }; |
---|
793 | |
---|
794 | #undef FUNCTION |
---|
795 | #define FUNCTION "Functionnal_unit::operation_l_mtspr" |
---|
796 | void operation_l_mtspr (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
797 | { |
---|
798 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mtspr"); |
---|
799 | |
---|
800 | Tgeneral_data_t imm = unsigned(param->_size_data,op->_immediat); |
---|
801 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
802 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,op->_data_rb); |
---|
803 | Tgeneral_data_t addr = range<Tgeneral_data_t>(gpr1|imm,16); |
---|
804 | |
---|
805 | Texception_t exception; |
---|
806 | |
---|
807 | // HACK : use the field num_reg_re to pass the SM and SUMRA flag. |
---|
808 | Tcontrol_t flag_SM = get_flag(op->_num_reg_re, 0x1); |
---|
809 | Tcontrol_t flag_SUMRA = get_flag(op->_num_reg_re, 0x2); |
---|
810 | |
---|
811 | spr_address_t spr_addr = reg->_spr_access_mode->translate_address(addr); |
---|
812 | |
---|
813 | // Test if this group is implemented in this functionnal_unit |
---|
814 | if (reg->_spr_access_mode->valid(spr_addr)) |
---|
815 | { |
---|
816 | if (reg->_spr_access_mode->write(spr_addr, flag_SM, flag_SUMRA)) |
---|
817 | { |
---|
818 | reg->_i_write_spr = true; |
---|
819 | reg->_access_num_group = spr_addr._group; |
---|
820 | reg->_access_num_register = spr_addr._register; |
---|
821 | reg->_spr_old = reg->_spr[spr_addr._group][spr_addr._register]; |
---|
822 | reg->_spr[spr_addr._group][spr_addr._register] = gpr2; |
---|
823 | |
---|
824 | exception = EXCEPTION_ALU_NONE; |
---|
825 | } |
---|
826 | else |
---|
827 | { |
---|
828 | exception = EXCEPTION_ALU_SPR_ACCESS_INVALID; |
---|
829 | } |
---|
830 | } |
---|
831 | else |
---|
832 | { |
---|
833 | exception = EXCEPTION_ALU_SPR_ACCESS_MUST_WRITE; |
---|
834 | } |
---|
835 | |
---|
836 | // Result |
---|
837 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
838 | op->_data_rd = gpr2; // data_rb |
---|
839 | //op->_data_re = 0; |
---|
840 | op->_exception = exception; |
---|
841 | op->_no_sequence = 0; |
---|
842 | op->_address = addr; // data_ra or imm |
---|
843 | }; |
---|
844 | |
---|
845 | #undef FUNCTION |
---|
846 | #define FUNCTION "Functionnal_unit::operation_l_mfspr" |
---|
847 | void operation_l_mfspr (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
848 | { |
---|
849 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mfspr"); |
---|
850 | |
---|
851 | Tgeneral_data_t imm = unsigned(param->_size_data,op->_immediat); |
---|
852 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
853 | Tgeneral_data_t gpr2 = 0; |
---|
854 | Tgeneral_data_t addr = range<Tgeneral_data_t>(gpr1|imm,16); |
---|
855 | |
---|
856 | Texception_t exception; |
---|
857 | |
---|
858 | // HACK : use the field num_reg_re to pass the SM and SUMRA flag. |
---|
859 | Tcontrol_t flag_SM = get_flag(op->_num_reg_re, 0x1); |
---|
860 | Tcontrol_t flag_SUMRA = get_flag(op->_num_reg_re, 0x2); |
---|
861 | |
---|
862 | spr_address_t spr_addr = reg->_spr_access_mode->translate_address(addr); |
---|
863 | |
---|
864 | // Test if this group is implemented in this functionnal_unit |
---|
865 | if (reg->_spr_access_mode->valid(spr_addr)) |
---|
866 | { |
---|
867 | if (reg->_spr_access_mode->read(spr_addr, flag_SM, flag_SUMRA)) |
---|
868 | { |
---|
869 | reg->_i_read_spr = true; |
---|
870 | reg->_access_num_group = spr_addr._group; |
---|
871 | reg->_access_num_register = spr_addr._register; |
---|
872 | |
---|
873 | gpr2 = reg->_spr[spr_addr._group][spr_addr._register]; |
---|
874 | |
---|
875 | exception = EXCEPTION_ALU_NONE; |
---|
876 | } |
---|
877 | else |
---|
878 | { |
---|
879 | exception = EXCEPTION_ALU_SPR_ACCESS_INVALID; |
---|
880 | } |
---|
881 | } |
---|
882 | else |
---|
883 | { |
---|
884 | exception = EXCEPTION_ALU_SPR_ACCESS_MUST_READ; |
---|
885 | } |
---|
886 | |
---|
887 | // Result |
---|
888 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
889 | op->_write_rd = (exception == EXCEPTION_ALU_NONE); |
---|
890 | op->_data_rd = gpr2; // spr |
---|
891 | //op->_data_re = 0; |
---|
892 | op->_exception = exception; |
---|
893 | op->_no_sequence = 0; |
---|
894 | op->_address = addr; // data_ra or imm |
---|
895 | }; |
---|
896 | |
---|
897 | #undef FUNCTION |
---|
898 | #define FUNCTION "Functionnal_unit::operation_l_macrc" |
---|
899 | void operation_l_macrc (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
900 | { |
---|
901 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_macrc"); |
---|
902 | |
---|
903 | Tgeneral_data_t gpr = static_cast<Tgeneral_data_t>(range<uint64_t>((static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACHI]) << 32) | static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACLO]), param->_size_data)); |
---|
904 | |
---|
905 | reg->_spr[GROUP_MAC][SPR_MACLO] = 0; |
---|
906 | reg->_spr[GROUP_MAC][SPR_MACHI] = 0; |
---|
907 | |
---|
908 | // Result |
---|
909 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
910 | op->_data_rd = gpr; |
---|
911 | //op->_data_re = 0; |
---|
912 | op->_exception = EXCEPTION_ALU_NONE; |
---|
913 | op->_no_sequence = 0; |
---|
914 | //op->_address = 0; |
---|
915 | }; |
---|
916 | |
---|
917 | #undef FUNCTION |
---|
918 | #define FUNCTION "Functionnal_unit::operation_l_mac" |
---|
919 | void operation_l_mac (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
920 | { |
---|
921 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mac"); |
---|
922 | |
---|
923 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
924 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
925 | uint64_t temp = range<uint64_t>(gpr1 * gpr2, 32); |
---|
926 | |
---|
927 | temp = ((static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACHI]) << 32) | static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACLO])) + temp; |
---|
928 | |
---|
929 | reg->_spr[GROUP_MAC][SPR_MACLO] = range<Tgeneral_data_t>(temp ,32); |
---|
930 | reg->_spr[GROUP_MAC][SPR_MACHI] = range<Tgeneral_data_t>(temp>>32,32); |
---|
931 | |
---|
932 | // Result |
---|
933 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
934 | //op->_data_rd = 0; |
---|
935 | //op->_data_re = 0; |
---|
936 | op->_exception = EXCEPTION_ALU_NONE; |
---|
937 | op->_no_sequence = 0; |
---|
938 | //op->_address = 0; |
---|
939 | }; |
---|
940 | |
---|
941 | #undef FUNCTION |
---|
942 | #define FUNCTION "Functionnal_unit::operation_l_msb" |
---|
943 | void operation_l_msb (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
944 | { |
---|
945 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_msb"); |
---|
946 | |
---|
947 | Tgeneral_data_t gpr1 = unsigned(param->_size_data,op->_data_ra); |
---|
948 | Tgeneral_data_t gpr2 = unsigned(param->_size_data,(op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
949 | uint64_t temp = range<uint64_t>(gpr1 * gpr2, 32); |
---|
950 | |
---|
951 | temp = ((static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACHI]) << 32) | static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACLO])) - temp; |
---|
952 | |
---|
953 | reg->_spr[GROUP_MAC][SPR_MACLO] = range<Tgeneral_data_t>(temp ,32); |
---|
954 | reg->_spr[GROUP_MAC][SPR_MACHI] = range<Tgeneral_data_t>(temp>>32,32); |
---|
955 | |
---|
956 | // Result |
---|
957 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
958 | //op->_data_rd = 0; |
---|
959 | //op->_data_re = 0; |
---|
960 | op->_exception = EXCEPTION_ALU_NONE; |
---|
961 | op->_no_sequence = 0; |
---|
962 | //op->_address = 0; |
---|
963 | }; |
---|
964 | |
---|
965 | }; // end namespace functionnal_unit |
---|
966 | }; // end namespace execute_unit |
---|
967 | }; // end namespace multi_execute_unit |
---|
968 | }; // end namespace execute_loop |
---|
969 | }; // end namespace multi_execute_loop |
---|
970 | }; // end namespace core |
---|
971 | }; // end namespace behavioural |
---|
972 | }; // end namespace morpheo |
---|
973 | #endif |
---|