1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Operation.cpp 81 2008-04-15 18:40:01Z 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 | |
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11 | #define neg(data) (~(data)+1) |
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12 | #define sign(data) ((data)>>(param->_size_data-1)) |
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13 | #define unsigned(data) (data) |
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14 | #define signed(data) ((sign(data)==0)?(data):neg(data)) |
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15 | #define ovf(op1, op2, res) ((sign(op1) == sign(op2))?(sign(op1) xor sign(res)):0) |
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16 | #define carry(op1, op2, res) (((res)<(op1)) or ((res)<(op2))) |
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17 | #define set_flag(data,flag,is_set) (((is_set)==1)?((data)|(flag)):((data)&~(flag))) |
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18 | #define get_flag(data,flag) (((data)&(flag))!=0) |
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19 | #define concatenation_bool(a,b) (((a)<<1) | (b)) |
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20 | |
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21 | namespace morpheo { |
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22 | namespace behavioural { |
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23 | namespace core { |
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24 | namespace multi_execute_loop { |
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25 | namespace execute_loop { |
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26 | namespace multi_execute_unit { |
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27 | namespace execute_unit { |
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28 | namespace functionnal_unit { |
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29 | |
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30 | #undef FUNCTION |
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31 | #define FUNCTION "Functionnal_unit::operation_unimplemented" |
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32 | void operation_unimplemented (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 : unimplemented"); |
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35 | |
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36 | throw ERRORMORPHEO(FUNCTION,"The operation '"+toString(op->_operation)+"' is not implemented in this Functionnal_unit"); |
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37 | }; |
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38 | |
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39 | #undef FUNCTION |
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40 | #define FUNCTION "Functionnal_unit::operation_l_add" |
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41 | void operation_l_add (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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42 | { |
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43 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_add"); |
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44 | |
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45 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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46 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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47 | |
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48 | Tgeneral_data_t gpr3 = param->_mask_data & (gpr1 + gpr2); |
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49 | |
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50 | bool overflow = ovf (gpr1,gpr2,gpr3); |
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51 | bool carry_out = carry(gpr1,gpr2,gpr3); |
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52 | |
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53 | // Result |
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54 | op->_timing = param->_timing[op->_type][op->_operation]; |
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55 | op->_data_rd = gpr3; |
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56 | op->_data_re = 0; |
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57 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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58 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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59 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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60 | op->_no_sequence = 0; |
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61 | //op->_address = 0; |
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62 | }; |
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63 | |
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64 | #undef FUNCTION |
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65 | #define FUNCTION "Functionnal_unit::operation_l_addc" |
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66 | void operation_l_addc (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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67 | { |
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68 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_addc"); |
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69 | |
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70 | Tgeneral_data_t carry_in = get_flag(op->_data_rc,FLAG_CY); |
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71 | |
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72 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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73 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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74 | Tgeneral_data_t gpr3 = param->_mask_data & (gpr1 + gpr2 + carry_in); |
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75 | |
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76 | bool overflow = ovf (gpr1,gpr2,gpr3); |
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77 | bool carry_out = carry(gpr1,gpr2,gpr3); |
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78 | |
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79 | // Result |
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80 | op->_timing = param->_timing[op->_type][op->_operation]; |
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81 | op->_data_rd = gpr3; |
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82 | op->_data_re = 0; |
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83 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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84 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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85 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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86 | op->_no_sequence = 0; |
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87 | //op->_address = 0; |
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88 | }; |
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89 | |
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90 | #undef FUNCTION |
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91 | #define FUNCTION "Functionnal_unit::operation_l_sub" |
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92 | void operation_l_sub (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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93 | { |
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94 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sub"); |
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95 | |
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96 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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97 | Tgeneral_data_t gpr2 = neg(unsigned(op->_data_rb)); |
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98 | Tgeneral_data_t gpr3 = param->_mask_data & (gpr1 + gpr2); |
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99 | |
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100 | bool overflow = ovf (gpr1,gpr2,gpr3); |
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101 | bool carry_out = carry(gpr1,gpr2,gpr3); |
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102 | |
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103 | // Result |
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104 | op->_timing = param->_timing[op->_type][op->_operation]; |
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105 | op->_data_rd = gpr3; |
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106 | op->_data_re = 0; |
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107 | op->_data_re = set_flag(op->_data_re,FLAG_OV,overflow ); |
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108 | op->_data_re = set_flag(op->_data_re,FLAG_CY,carry_out); |
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109 | op->_exception = (overflow==1)?EXCEPTION_ALU_RANGE:EXCEPTION_ALU_NONE; |
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110 | op->_no_sequence = 0; |
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111 | //op->_address = 0; |
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112 | }; |
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113 | |
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114 | #undef FUNCTION |
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115 | #define FUNCTION "Functionnal_unit::operation_l_and" |
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116 | void operation_l_and (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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117 | { |
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118 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_and"); |
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119 | |
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120 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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121 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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122 | Tgeneral_data_t gpr3 = (gpr1 & gpr2); |
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123 | |
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124 | // Result |
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125 | op->_timing = param->_timing[op->_type][op->_operation]; |
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126 | op->_data_rd = gpr3; |
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127 | //op->_data_re = 0; |
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128 | op->_exception = EXCEPTION_ALU_NONE; |
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129 | op->_no_sequence = 0; |
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130 | //op->_address = 0; |
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131 | }; |
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132 | |
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133 | #undef FUNCTION |
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134 | #define FUNCTION "Functionnal_unit::operation_l_or" |
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135 | void operation_l_or (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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136 | { |
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137 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_or"); |
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138 | |
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139 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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140 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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141 | Tgeneral_data_t gpr3 = (gpr1 | gpr2); |
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142 | |
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143 | // Result |
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144 | op->_timing = param->_timing[op->_type][op->_operation]; |
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145 | op->_data_rd = gpr3; |
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146 | //op->_data_re = 0; |
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147 | op->_exception = EXCEPTION_ALU_NONE; |
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148 | op->_no_sequence = 0; |
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149 | //op->_address = 0; |
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150 | }; |
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151 | |
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152 | #undef FUNCTION |
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153 | #define FUNCTION "Functionnal_unit::operation_l_xor" |
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154 | void operation_l_xor (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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155 | { |
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156 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_xor"); |
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157 | |
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158 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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159 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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160 | Tgeneral_data_t gpr3 = (gpr1 ^ gpr2); |
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161 | |
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162 | // Result |
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163 | op->_timing = param->_timing[op->_type][op->_operation]; |
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164 | op->_data_rd = gpr3; |
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165 | //op->_data_re = 0; |
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166 | op->_exception = EXCEPTION_ALU_NONE; |
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167 | op->_no_sequence = 0; |
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168 | //op->_address = 0; |
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169 | }; |
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170 | |
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171 | #undef FUNCTION |
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172 | #define FUNCTION "Functionnal_unit::operation_l_movhi" |
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173 | void operation_l_movhi (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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174 | { |
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175 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_movhi"); |
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176 | |
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177 | Tgeneral_data_t gpr1 = unsigned(op->_immediat); |
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178 | Tgeneral_data_t gpr2 = param->_mask_data & (gpr1<<16); |
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179 | |
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180 | // Result |
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181 | op->_timing = param->_timing[op->_type][op->_operation]; |
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182 | op->_data_rd = gpr2; |
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183 | //op->_data_re = 0; |
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184 | op->_exception = EXCEPTION_ALU_NONE; |
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185 | op->_no_sequence = 0; |
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186 | //op->_address = 0; |
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187 | }; |
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188 | |
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189 | #undef FUNCTION |
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190 | #define FUNCTION "Functionnal_unit::operation_l_cmov" |
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191 | void operation_l_cmov (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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192 | { |
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193 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_cmov"); |
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194 | |
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195 | Tgeneral_data_t f_in = get_flag(op->_data_rc,FLAG_F); |
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196 | |
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197 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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198 | Tgeneral_data_t gpr2 = unsigned(op->_data_rb); |
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199 | Tgeneral_data_t gpr3 = ((f_in==0)?gpr2:gpr1); |
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200 | |
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201 | // Result |
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202 | op->_timing = param->_timing[op->_type][op->_operation]; |
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203 | op->_data_rd = gpr3; |
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204 | //op->_data_re = 0; |
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205 | op->_exception = EXCEPTION_ALU_NONE; |
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206 | op->_no_sequence = 0; |
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207 | //op->_address = 0; |
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208 | }; |
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209 | |
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210 | #undef FUNCTION |
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211 | #define FUNCTION "Functionnal_unit::operation_l_test_f" |
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212 | void operation_l_test_f (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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213 | { |
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214 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_test_f"); |
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215 | |
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216 | Tgeneral_data_t f_in = get_flag(op->_data_rc,FLAG_F); |
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217 | Tgeneral_data_t imm = unsigned(op->_immediat); |
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218 | |
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219 | // Result |
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220 | op->_timing = param->_timing[op->_type][op->_operation]; |
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221 | //op->_data_rd = 0; |
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222 | //op->_data_re = 0; |
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223 | op->_exception = EXCEPTION_ALU_NONE; |
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224 | op->_no_sequence = f_in != 0; |
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225 | op->_address = imm; |
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226 | }; |
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227 | |
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228 | #undef FUNCTION |
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229 | #define FUNCTION "Functionnal_unit::operation_l_test_nf" |
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230 | void operation_l_test_nf (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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231 | { |
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232 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_test_nf"); |
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233 | |
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234 | Tgeneral_data_t f_in = get_flag(op->_data_rc,FLAG_F); |
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235 | Tgeneral_data_t imm = unsigned(op->_immediat); |
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236 | |
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237 | // Result |
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238 | op->_timing = param->_timing[op->_type][op->_operation]; |
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239 | //op->_data_rd = 0; |
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240 | //op->_data_re = 0; |
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241 | op->_exception = EXCEPTION_ALU_NONE; |
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242 | op->_no_sequence = f_in == 0; |
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243 | op->_address = imm; |
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244 | }; |
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245 | |
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246 | #undef FUNCTION |
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247 | #define FUNCTION "Functionnal_unit::operation_l_jalr" |
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248 | void operation_l_jalr (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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249 | { |
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250 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_jalr"); |
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251 | // jal : has_imm = 1, write_rd = 1, read_rb = 0 |
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252 | // jalr : has_imm = 1, write_rd = 1, read_rb = 1 |
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253 | // jr : has_imm = 0, write_rd = 0, read_rb = 1 |
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254 | |
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255 | |
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256 | Tgeneral_data_t gpr = unsigned(op->_data_rb); |
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257 | Tgeneral_data_t imm = unsigned(op->_immediat); |
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258 | |
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259 | // Result |
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260 | op->_timing = param->_timing[op->_type][op->_operation]; |
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261 | op->_data_rd = imm; |
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262 | //op->_data_re = 0; |
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263 | op->_exception = EXCEPTION_ALU_NONE; |
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264 | op->_no_sequence = 1; |
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265 | op->_address = gpr; |
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266 | }; |
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267 | |
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268 | #undef FUNCTION |
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269 | #define FUNCTION "Functionnal_unit::operation_l_extend_s" |
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270 | void operation_l_extend_s (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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271 | { |
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272 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_extend_s"); |
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273 | |
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274 | Tgeneral_data_t imm = unsigned(op->_immediat); |
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275 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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276 | Tgeneral_data_t gpr2 = extend<Tgeneral_data_t>(param->_size_data, gpr1, true , imm); |
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277 | |
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278 | // Result |
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279 | op->_timing = param->_timing[op->_type][op->_operation]; |
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280 | op->_data_rd = gpr2; |
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281 | //op->_data_re = 0; |
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282 | op->_exception = EXCEPTION_ALU_NONE; |
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283 | op->_no_sequence = 0; |
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284 | //op->_address = 0; |
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285 | }; |
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286 | |
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287 | #undef FUNCTION |
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288 | #define FUNCTION "Functionnal_unit::operation_l_extend_z" |
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289 | void operation_l_extend_z (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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290 | { |
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291 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_extend_z"); |
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292 | |
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293 | Tgeneral_data_t imm = unsigned(op->_immediat); |
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294 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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295 | Tgeneral_data_t gpr2 = extend<Tgeneral_data_t>(param->_size_data, gpr1, false , imm); |
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296 | |
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297 | // Result |
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298 | op->_timing = param->_timing[op->_type][op->_operation]; |
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299 | op->_data_rd = gpr2; |
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300 | //op->_data_re = 0; |
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301 | op->_exception = EXCEPTION_ALU_NONE; |
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302 | op->_no_sequence = 0; |
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303 | //op->_address = 0; |
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304 | }; |
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305 | |
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306 | #undef FUNCTION |
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307 | #define FUNCTION "Functionnal_unit::operation_l_sll" |
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308 | void operation_l_sll (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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309 | { |
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310 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sll"); |
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311 | |
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312 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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313 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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314 | Tgeneral_data_t gpr3 = shift_logic_left<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
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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_srl" |
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327 | void operation_l_srl (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_srl"); |
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330 | |
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331 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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332 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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333 | Tgeneral_data_t gpr3 = shift_logic_right<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
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334 | |
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335 | // Result |
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336 | op->_timing = param->_timing[op->_type][op->_operation]; |
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337 | op->_data_rd = gpr3; |
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338 | //op->_data_re = 0; |
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339 | op->_exception = EXCEPTION_ALU_NONE; |
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340 | op->_no_sequence = 0; |
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341 | //op->_address = 0; |
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342 | }; |
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343 | |
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344 | #undef FUNCTION |
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345 | #define FUNCTION "Functionnal_unit::operation_l_sra" |
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346 | void operation_l_sra (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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347 | { |
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348 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sra"); |
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349 | |
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350 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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351 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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352 | Tgeneral_data_t gpr3 = shift_arithmetic_right<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
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353 | |
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354 | // Result |
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355 | op->_timing = param->_timing[op->_type][op->_operation]; |
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356 | op->_data_rd = gpr3; |
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357 | //op->_data_re = 0; |
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358 | op->_exception = EXCEPTION_ALU_NONE; |
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359 | op->_no_sequence = 0; |
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360 | //op->_address = 0; |
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361 | }; |
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362 | |
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363 | #undef FUNCTION |
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364 | #define FUNCTION "Functionnal_unit::operation_l_ror" |
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365 | void operation_l_ror (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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366 | { |
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367 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_ror"); |
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368 | |
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369 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
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370 | Tgeneral_data_t gpr2 = param->_mask_shift & unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
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371 | Tgeneral_data_t gpr3 = rotate_right<Tgeneral_data_t>(param->_size_data, gpr1, gpr2); |
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372 | |
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373 | // Result |
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374 | op->_timing = param->_timing[op->_type][op->_operation]; |
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375 | op->_data_rd = gpr3; |
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376 | //op->_data_re = 0; |
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377 | op->_exception = EXCEPTION_ALU_NONE; |
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378 | op->_no_sequence = 0; |
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379 | //op->_address = 0; |
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380 | }; |
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381 | |
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382 | #undef FUNCTION |
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383 | #define FUNCTION "Functionnal_unit::operation_l_ff1" |
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384 | void operation_l_ff1 (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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385 | { |
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386 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_ff1"); |
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387 | |
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388 | Tgeneral_data_t gpr = unsigned(op->_data_ra); |
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389 | Tgeneral_data_t index; |
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390 | |
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391 | for (index=0; (index<param->_size_data) and (((gpr>>index)&1)!= 1); index++); |
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392 | |
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393 | // Result |
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394 | op->_timing = param->_timing[op->_type][op->_operation]; |
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395 | op->_data_rd = (index==param->_size_data)?0:(index+1); |
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396 | //op->_data_re = 0; |
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397 | op->_exception = EXCEPTION_ALU_NONE; |
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398 | op->_no_sequence = 0; |
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399 | //op->_address = 0; |
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400 | }; |
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401 | |
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402 | #undef FUNCTION |
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403 | #define FUNCTION "Functionnal_unit::operation_l_fl1" |
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404 | void operation_l_fl1 (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
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405 | { |
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406 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_fl1"); |
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407 | |
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408 | Tgeneral_data_t gpr = unsigned(op->_data_ra); |
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409 | Tgeneral_data_t index; |
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410 | |
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411 | for (index=param->_size_data; (index>0) and (((gpr>>(index-1))&1)!= 1); index--); |
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412 | |
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413 | // Result |
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414 | op->_timing = param->_timing[op->_type][op->_operation]; |
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415 | op->_data_rd = index; |
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416 | //op->_data_re = 0; |
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417 | op->_exception = EXCEPTION_ALU_NONE; |
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418 | op->_no_sequence = 0; |
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419 | //op->_address = 0; |
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420 | }; |
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421 | |
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422 | #undef FUNCTION |
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423 | #define FUNCTION "Functionnal_unit::operation_l_sfeq" |
---|
424 | void operation_l_sfeq (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
425 | { |
---|
426 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfeq"); |
---|
427 | |
---|
428 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
429 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
430 | |
---|
431 | bool f_out = (gpr1 == gpr2); |
---|
432 | |
---|
433 | // Result |
---|
434 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
435 | //op->_data_rd = 0; |
---|
436 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
437 | op->_exception = EXCEPTION_ALU_NONE; |
---|
438 | op->_no_sequence = 0; |
---|
439 | //op->_address = 0; |
---|
440 | }; |
---|
441 | |
---|
442 | #undef FUNCTION |
---|
443 | #define FUNCTION "Functionnal_unit::operation_l_sfne" |
---|
444 | void operation_l_sfne (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
445 | { |
---|
446 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfne"); |
---|
447 | |
---|
448 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
449 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
450 | |
---|
451 | bool f_out = (gpr1 != gpr2); |
---|
452 | |
---|
453 | // Result |
---|
454 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
455 | //op->_data_rd = 0; |
---|
456 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
457 | op->_exception = EXCEPTION_ALU_NONE; |
---|
458 | op->_no_sequence = 0; |
---|
459 | //op->_address = 0; |
---|
460 | }; |
---|
461 | |
---|
462 | #undef FUNCTION |
---|
463 | #define FUNCTION "Functionnal_unit::operation_l_sfgeu" |
---|
464 | void operation_l_sfgeu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
465 | { |
---|
466 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfgeu"); |
---|
467 | |
---|
468 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
469 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
470 | |
---|
471 | bool f_out = (gpr1 >= gpr2); |
---|
472 | |
---|
473 | // Result |
---|
474 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
475 | //op->_data_rd = 0; |
---|
476 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
477 | op->_exception = EXCEPTION_ALU_NONE; |
---|
478 | op->_no_sequence = 0; |
---|
479 | //op->_address = 0; |
---|
480 | }; |
---|
481 | |
---|
482 | #undef FUNCTION |
---|
483 | #define FUNCTION "Functionnal_unit::operation_l_sfgtu" |
---|
484 | void operation_l_sfgtu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
485 | { |
---|
486 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfgtu"); |
---|
487 | |
---|
488 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
489 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
490 | |
---|
491 | bool f_out = (gpr1 > gpr2); |
---|
492 | |
---|
493 | // Result |
---|
494 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
495 | //op->_data_rd = 0; |
---|
496 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
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_sfleu" |
---|
504 | void operation_l_sfleu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
505 | { |
---|
506 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfleu"); |
---|
507 | |
---|
508 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
509 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
510 | |
---|
511 | bool f_out = (gpr1 <= gpr2); |
---|
512 | |
---|
513 | // Result |
---|
514 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
515 | //op->_data_rd = 0; |
---|
516 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
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_sfltu" |
---|
524 | void operation_l_sfltu (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
525 | { |
---|
526 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfltu"); |
---|
527 | |
---|
528 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
529 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
530 | |
---|
531 | bool f_out = (gpr1 < gpr2); |
---|
532 | |
---|
533 | // Result |
---|
534 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
535 | //op->_data_rd = 0; |
---|
536 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
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_sfges" |
---|
544 | void operation_l_sfges (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
545 | { |
---|
546 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfges"); |
---|
547 | |
---|
548 | Tgeneral_data_t gpr1 = op->_data_ra; |
---|
549 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb; |
---|
550 | |
---|
551 | log_printf(TRACE,Functionnal_unit,FUNCTION," * data_ra : %.8x",unsigned(op->_data_ra)); |
---|
552 | log_printf(TRACE,Functionnal_unit,FUNCTION," * data_ras : %.8x", signed(op->_data_ra)); |
---|
553 | log_printf(TRACE,Functionnal_unit,FUNCTION," * data_rb : %.8x",unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb)); |
---|
554 | log_printf(TRACE,Functionnal_unit,FUNCTION," * data_rbs : %.8x", signed((op->_has_immediat==1)?op->_immediat:op->_data_rb)); |
---|
555 | |
---|
556 | bool f_out; |
---|
557 | |
---|
558 | switch (concatenation_bool(sign(gpr1),sign(gpr2))) |
---|
559 | { |
---|
560 | case 1 /*b01*/ : f_out = 1 ; break; |
---|
561 | case 2 /*b10*/ : f_out = 0 ; break; |
---|
562 | default : f_out = signed(gpr1) >= signed(gpr2); break; |
---|
563 | } |
---|
564 | |
---|
565 | log_printf(TRACE,Functionnal_unit,FUNCTION," * f_out : %.8x",f_out); |
---|
566 | |
---|
567 | // Result |
---|
568 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
569 | //op->_data_rd = 0; |
---|
570 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
571 | op->_exception = EXCEPTION_ALU_NONE; |
---|
572 | op->_no_sequence = 0; |
---|
573 | //op->_address = 0; |
---|
574 | }; |
---|
575 | |
---|
576 | #undef FUNCTION |
---|
577 | #define FUNCTION "Functionnal_unit::operation_l_sfgts" |
---|
578 | void operation_l_sfgts (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
579 | { |
---|
580 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfgts"); |
---|
581 | |
---|
582 | Tgeneral_data_t gpr1 = op->_data_ra ; |
---|
583 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb ; |
---|
584 | |
---|
585 | bool f_out; |
---|
586 | |
---|
587 | switch (concatenation_bool(sign(gpr1),sign(gpr2))) |
---|
588 | { |
---|
589 | case 1 /*b01*/ : f_out = 1; break; |
---|
590 | case 2 /*b10*/ : f_out = 0; break; |
---|
591 | default : f_out = signed(gpr1) > signed(gpr2); break; |
---|
592 | } |
---|
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_sfles" |
---|
605 | void operation_l_sfles (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
606 | { |
---|
607 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sfles"); |
---|
608 | |
---|
609 | Tgeneral_data_t gpr1 = op->_data_ra ; |
---|
610 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb ; |
---|
611 | |
---|
612 | bool f_out; |
---|
613 | |
---|
614 | switch (concatenation_bool(sign(gpr1),sign(gpr2))) |
---|
615 | { |
---|
616 | case 1 /*b01*/ : f_out = 0; break; |
---|
617 | case 2 /*b10*/ : f_out = 1; break; |
---|
618 | default : f_out = signed(gpr1) <= signed(gpr2); break; |
---|
619 | } |
---|
620 | |
---|
621 | // Result |
---|
622 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
623 | //op->_data_rd = 0; |
---|
624 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
625 | op->_exception = EXCEPTION_ALU_NONE; |
---|
626 | op->_no_sequence = 0; |
---|
627 | //op->_address = 0; |
---|
628 | }; |
---|
629 | |
---|
630 | #undef FUNCTION |
---|
631 | #define FUNCTION "Functionnal_unit::operation_l_sflts" |
---|
632 | void operation_l_sflts (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
633 | { |
---|
634 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_sflts"); |
---|
635 | |
---|
636 | Tgeneral_data_t gpr1 = op->_data_ra ; |
---|
637 | Tgeneral_data_t gpr2 = (op->_has_immediat==1)?op->_immediat:op->_data_rb; |
---|
638 | |
---|
639 | bool f_out; |
---|
640 | |
---|
641 | switch (concatenation_bool(sign(gpr1),sign(gpr2))) |
---|
642 | { |
---|
643 | case 1 /*b01*/ : f_out = 0; break; |
---|
644 | case 2 /*b10*/ : f_out = 1; break; |
---|
645 | default : f_out = signed(gpr1) < signed(gpr2); break; |
---|
646 | } |
---|
647 | |
---|
648 | // Result |
---|
649 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
650 | //op->_data_rd = 0; |
---|
651 | op->_data_re = set_flag(op->_data_re,FLAG_F,f_out); |
---|
652 | op->_exception = EXCEPTION_ALU_NONE; |
---|
653 | op->_no_sequence = 0; |
---|
654 | //op->_address = 0; |
---|
655 | }; |
---|
656 | |
---|
657 | #undef FUNCTION |
---|
658 | #define FUNCTION "Functionnal_unit::operation_l_mtspr" |
---|
659 | void operation_l_mtspr (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
660 | { |
---|
661 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mtspr"); |
---|
662 | |
---|
663 | Tgeneral_data_t imm = unsigned(op->_immediat); |
---|
664 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
665 | Tgeneral_data_t gpr2 = unsigned(op->_data_rb); |
---|
666 | Tgeneral_data_t addr = range<Tgeneral_data_t>(gpr1|imm,16); |
---|
667 | |
---|
668 | Texception_t exception; |
---|
669 | |
---|
670 | // HACK : use the field num_reg_re to pass the SM and SUMRA flag. |
---|
671 | Tcontrol_t flag_SM = get_flag(op->_num_reg_re, 0x1); |
---|
672 | Tcontrol_t flag_SUMRA = get_flag(op->_num_reg_re, 0x2); |
---|
673 | |
---|
674 | spr_address_t spr_addr = reg->_spr_access_mode->translate_address(addr); |
---|
675 | |
---|
676 | // Test if this group is implemented in this functionnal_unit |
---|
677 | if (reg->_spr_access_mode->valid(spr_addr)) |
---|
678 | { |
---|
679 | if (reg->_spr_access_mode->write(spr_addr, flag_SM, flag_SUMRA)) |
---|
680 | { |
---|
681 | reg->_i_write_spr = true; |
---|
682 | reg->_access_num_group = spr_addr._group; |
---|
683 | reg->_access_num_register = spr_addr._register; |
---|
684 | reg->_spr_old = reg->_spr[spr_addr._group][spr_addr._register]; |
---|
685 | reg->_spr[spr_addr._group][spr_addr._register] = gpr2; |
---|
686 | |
---|
687 | exception = EXCEPTION_ALU_NONE; |
---|
688 | } |
---|
689 | else |
---|
690 | { |
---|
691 | exception = EXCEPTION_ALU_SPR_ACCESS_INVALID; |
---|
692 | } |
---|
693 | } |
---|
694 | else |
---|
695 | { |
---|
696 | exception = EXCEPTION_ALU_SPR_ACCESS_NOT_COMPLETE; |
---|
697 | } |
---|
698 | |
---|
699 | // Result |
---|
700 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
701 | op->_data_rd = gpr2; // data_rb |
---|
702 | //op->_data_re = 0; |
---|
703 | op->_exception = exception; |
---|
704 | op->_no_sequence = 0; |
---|
705 | op->_address = addr; // data_ra or imm |
---|
706 | }; |
---|
707 | |
---|
708 | #undef FUNCTION |
---|
709 | #define FUNCTION "Functionnal_unit::operation_l_mfspr" |
---|
710 | void operation_l_mfspr (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
711 | { |
---|
712 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mfspr"); |
---|
713 | |
---|
714 | Tgeneral_data_t imm = unsigned(op->_immediat); |
---|
715 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
716 | Tgeneral_data_t gpr2 = 0; |
---|
717 | Tgeneral_data_t addr = range<Tgeneral_data_t>(gpr1|imm,16); |
---|
718 | |
---|
719 | Texception_t exception; |
---|
720 | |
---|
721 | // HACK : use the field num_reg_re to pass the SM and SUMRA flag. |
---|
722 | Tcontrol_t flag_SM = get_flag(op->_num_reg_re, 0x1); |
---|
723 | Tcontrol_t flag_SUMRA = get_flag(op->_num_reg_re, 0x2); |
---|
724 | |
---|
725 | spr_address_t spr_addr = reg->_spr_access_mode->translate_address(addr); |
---|
726 | |
---|
727 | // Test if this group is implemented in this functionnal_unit |
---|
728 | if (reg->_spr_access_mode->valid(spr_addr)) |
---|
729 | { |
---|
730 | if (reg->_spr_access_mode->read(spr_addr, flag_SM, flag_SUMRA)) |
---|
731 | { |
---|
732 | reg->_i_read_spr = true; |
---|
733 | reg->_access_num_group = spr_addr._group; |
---|
734 | reg->_access_num_register = spr_addr._register; |
---|
735 | |
---|
736 | gpr2 = reg->_spr[spr_addr._group][spr_addr._register]; |
---|
737 | |
---|
738 | exception = EXCEPTION_ALU_NONE; |
---|
739 | } |
---|
740 | else |
---|
741 | { |
---|
742 | exception = EXCEPTION_ALU_SPR_ACCESS_INVALID; |
---|
743 | } |
---|
744 | } |
---|
745 | else |
---|
746 | { |
---|
747 | exception = EXCEPTION_ALU_SPR_ACCESS_NOT_COMPLETE; |
---|
748 | } |
---|
749 | |
---|
750 | // Result |
---|
751 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
752 | op->_write_rd = (exception == EXCEPTION_ALU_NONE); |
---|
753 | op->_data_rd = gpr2; // spr |
---|
754 | //op->_data_re = 0; |
---|
755 | op->_exception = exception; |
---|
756 | op->_no_sequence = 0; |
---|
757 | op->_address = addr; // data_ra or imm |
---|
758 | }; |
---|
759 | |
---|
760 | #undef FUNCTION |
---|
761 | #define FUNCTION "Functionnal_unit::operation_l_macrc" |
---|
762 | void operation_l_macrc (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
763 | { |
---|
764 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_macrc"); |
---|
765 | |
---|
766 | 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)); |
---|
767 | |
---|
768 | reg->_spr[GROUP_MAC][SPR_MACLO] = 0; |
---|
769 | reg->_spr[GROUP_MAC][SPR_MACHI] = 0; |
---|
770 | |
---|
771 | // Result |
---|
772 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
773 | op->_data_rd = gpr; |
---|
774 | //op->_data_re = 0; |
---|
775 | op->_exception = EXCEPTION_ALU_NONE; |
---|
776 | op->_no_sequence = 0; |
---|
777 | //op->_address = 0; |
---|
778 | }; |
---|
779 | |
---|
780 | #undef FUNCTION |
---|
781 | #define FUNCTION "Functionnal_unit::operation_l_mac" |
---|
782 | void operation_l_mac (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
783 | { |
---|
784 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_mac"); |
---|
785 | |
---|
786 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
787 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
788 | uint64_t temp = range<uint64_t>(gpr1 * gpr2, 32); |
---|
789 | |
---|
790 | temp = ((static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACHI]) << 32) | static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACLO])) + temp; |
---|
791 | |
---|
792 | reg->_spr[GROUP_MAC][SPR_MACLO] = range<Tgeneral_data_t>(temp ,32); |
---|
793 | reg->_spr[GROUP_MAC][SPR_MACHI] = range<Tgeneral_data_t>(temp>>32,32); |
---|
794 | |
---|
795 | // Result |
---|
796 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
797 | //op->_data_rd = 0; |
---|
798 | //op->_data_re = 0; |
---|
799 | op->_exception = EXCEPTION_ALU_NONE; |
---|
800 | op->_no_sequence = 0; |
---|
801 | //op->_address = 0; |
---|
802 | }; |
---|
803 | |
---|
804 | #undef FUNCTION |
---|
805 | #define FUNCTION "Functionnal_unit::operation_l_msb" |
---|
806 | void operation_l_msb (execute_operation_t * op, execute_register_t * reg, execute_param_t * param) |
---|
807 | { |
---|
808 | log_printf(TRACE,Functionnal_unit,FUNCTION,"Operation : l_msb"); |
---|
809 | |
---|
810 | Tgeneral_data_t gpr1 = unsigned(op->_data_ra); |
---|
811 | Tgeneral_data_t gpr2 = unsigned((op->_has_immediat==1)?op->_immediat:op->_data_rb); |
---|
812 | uint64_t temp = range<uint64_t>(gpr1 * gpr2, 32); |
---|
813 | |
---|
814 | temp = ((static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACHI]) << 32) | static_cast<uint64_t>(reg->_spr[GROUP_MAC][SPR_MACLO])) - temp; |
---|
815 | |
---|
816 | reg->_spr[GROUP_MAC][SPR_MACLO] = range<Tgeneral_data_t>(temp ,32); |
---|
817 | reg->_spr[GROUP_MAC][SPR_MACHI] = range<Tgeneral_data_t>(temp>>32,32); |
---|
818 | |
---|
819 | // Result |
---|
820 | op->_timing = param->_timing[op->_type][op->_operation]; |
---|
821 | //op->_data_rd = 0; |
---|
822 | //op->_data_re = 0; |
---|
823 | op->_exception = EXCEPTION_ALU_NONE; |
---|
824 | op->_no_sequence = 0; |
---|
825 | //op->_address = 0; |
---|
826 | }; |
---|
827 | |
---|
828 | }; // end namespace functionnal_unit |
---|
829 | }; // end namespace execute_unit |
---|
830 | }; // end namespace multi_execute_unit |
---|
831 | }; // end namespace execute_loop |
---|
832 | }; // end namespace multi_execute_loop |
---|
833 | }; // end namespace core |
---|
834 | }; // end namespace behavioural |
---|
835 | }; // end namespace morpheo |
---|
836 | #endif |
---|