1 | #ifdef VHDL |
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2 | /* |
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3 | * $Id: RegisterFile_Monolithic_vhdl_body.cpp 146 2011-02-01 20:57:54Z 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/Generic/RegisterFile/RegisterFile_Monolithic/include/RegisterFile_Monolithic.h" |
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10 | |
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11 | namespace morpheo { |
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12 | namespace behavioural { |
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13 | namespace generic { |
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14 | namespace registerfile { |
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15 | namespace registerfile_monolithic { |
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16 | |
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17 | void RegisterFile_Monolithic::vhdl_body (Vhdl * & vhdl) |
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18 | { |
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19 | #ifndef VHDL_GAISLER |
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20 | |
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21 | vhdl->set_body (0,""); |
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22 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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23 | vhdl->set_comment(0," Ackitement"); |
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24 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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25 | vhdl->set_body (0,""); |
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26 | |
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27 | for (uint32_t i = 0; i < _param->_nb_port_read; i++) |
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28 | vhdl->set_body (0,"out_READ_"+toString(i)+"_ACK <= '1';"); |
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29 | for (uint32_t i = 0; i < _param->_nb_port_write; i++) |
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30 | vhdl->set_body (0,"out_WRITE_"+toString(i)+"_ACK <= '1';"); |
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31 | |
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32 | vhdl->set_body (0,""); |
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33 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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34 | vhdl->set_comment(0," Read RegisterFile"); |
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35 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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36 | vhdl->set_body (0,""); |
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37 | |
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38 | for (uint32_t i = 0; i < _param->_nb_port_read; i++) |
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39 | { |
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40 | std::string str_address; |
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41 | if (_param->_have_port_address) |
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42 | str_address = "conv_integer(in_READ_"+toString(i)+"_ADDRESS)"; |
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43 | else |
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44 | str_address = "0"; |
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45 | |
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46 | vhdl->set_body (0,"out_READ_"+toString(i)+"_DATA <= reg_DATA ("+str_address+") when in_READ_"+toString(i)+"_VAL = '1' else "+std_logic_others(_param->_size_word,0)+";"); |
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47 | } |
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48 | |
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49 | vhdl->set_body (0,""); |
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50 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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51 | vhdl->set_comment(0," Write RegisterFile"); |
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52 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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53 | vhdl->set_body (0,""); |
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54 | |
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55 | vhdl->set_body (0,"RegisterFile_write: process (in_CLOCK)"); |
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56 | vhdl->set_body (0,"begin -- process RegisterFile_write"); |
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57 | vhdl->set_body (1,"if in_CLOCK'event and in_CLOCK = '1' then"); |
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58 | |
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59 | if (_param->_have_init_value) |
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60 | { |
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61 | vhdl->set_body (2,"if in_NRESET = '0' then"); |
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62 | |
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63 | std::string init_value = ((_param->_size_word>1)?"\"":"'")+_param->_init_value+((_param->_size_word>1)?"\"":"'"); |
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64 | |
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65 | for (uint32_t i=0; i<_param->_nb_word; ++i) |
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66 | vhdl->set_body (3,"reg_DATA("+toString(i)+") <= "+init_value+";"); |
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67 | |
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68 | vhdl->set_body (2,"else"); |
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69 | } |
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70 | |
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71 | for (uint32_t i = 0; i < _param->_nb_port_write; i++) |
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72 | { |
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73 | std::string str_address; |
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74 | if (_param->_have_port_address) |
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75 | str_address = "conv_integer(in_WRITE_"+toString(i)+"_ADDRESS)"; |
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76 | else |
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77 | str_address = "0"; |
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78 | |
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79 | vhdl->set_body (2,"if (in_WRITE_"+toString(i)+"_VAL = '1') then"); |
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80 | vhdl->set_body (3,"reg_DATA("+str_address+") <= in_WRITE_"+toString(i)+"_DATA;"); |
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81 | vhdl->set_body (2,"end if;"); |
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82 | } |
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83 | |
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84 | vhdl->set_body (1,"end if;"); |
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85 | |
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86 | if (_param->_have_init_value) |
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87 | vhdl->set_body (1,"end if;"); |
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88 | vhdl->set_body (0,"end process RegisterFile_write;"); |
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89 | |
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90 | #else |
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91 | // vhdl->set_body (0,""); |
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92 | // vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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93 | // vhdl->set_comment(0," Ackitement"); |
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94 | // vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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95 | // vhdl->set_body (0,""); |
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96 | |
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97 | // for (uint32_t i = 0; i < _param->_nb_port_read; i++) |
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98 | // vhdl->set_body (0,"out_READ_"+toString(i)+"_ACK <= '1';"); |
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99 | // for (uint32_t i = 0; i < _param->_nb_port_write; i++) |
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100 | // vhdl->set_body (0,"out_WRITE_"+toString(i)+"_ACK <= '1';"); |
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101 | |
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102 | // vhdl->set_body (0,""); |
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103 | // vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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104 | // vhdl->set_comment(0," Read RegisterFile"); |
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105 | // vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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106 | // vhdl->set_body (0,""); |
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107 | |
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108 | // for (uint32_t num_read=0; num_read<_param->_nb_port_read; ++num_read) |
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109 | // { |
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110 | // vhdl->set_body (0,"with in_READ_"+toString(num_read)+"_ADDRESS select"); |
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111 | // vhdl->set_body (1,"out_READ_"+toString(num_read)+"_DATA <="); |
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112 | // for (uint32_t num_word=0; num_word<_param->_nb_word-1; ++num_word) |
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113 | // vhdl->set_body (1,"reg_DATA_"+toString(num_word)+" when "+std_logic_cst(_param->_size_address,num_word)+","); |
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114 | // vhdl->set_body (1,"reg_DATA_"+toString(_param->_nb_word-1)+" when others;"); |
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115 | // } |
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116 | |
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117 | // vhdl->set_body (0,""); |
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118 | // vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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119 | // vhdl->set_comment(0," Write RegisterFile"); |
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120 | // vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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121 | // vhdl->set_body (0,""); |
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122 | |
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123 | // vhdl->set_body (0,"RegisterFile_write: process (in_CLOCK)"); |
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124 | // vhdl->set_body (0,"begin -- process RegisterFile_write"); |
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125 | // vhdl->set_body (1,"if in_CLOCK'event and in_CLOCK = '1' then"); |
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126 | |
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127 | // for (uint32_t num_write = 0; num_write < _param->_nb_port_write; num_write++) |
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128 | // { |
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129 | // vhdl->set_body (2,"if (in_WRITE_"+toString(num_write)+"_VAL = '1') then"); |
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130 | // for (uint32_t num_word=0; num_word<_param->_nb_word; ++num_word) |
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131 | // { |
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132 | // vhdl->set_body (3,"if (in_WRITE_"+toString(num_write)+"_ADDRESS = "+std_logic_cst(_param->_size_address,num_word)+") then"); |
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133 | // vhdl->set_body (4,"reg_DATA_"+toString(num_word)+" <= in_WRITE_"+toString(num_write)+"_DATA;"); |
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134 | // vhdl->set_body (3,"end if;"); |
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135 | // } |
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136 | // vhdl->set_body (2,"end if;"); |
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137 | // } |
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138 | |
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139 | // vhdl->set_body (1,"end if;"); |
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140 | // vhdl->set_body (0,"end process RegisterFile_write;"); |
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141 | |
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142 | vhdl->set_body (0,"combinatory : process ("); |
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143 | for (uint32_t num_read=0; num_read<_param->_nb_port_read; ++num_read) |
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144 | { |
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145 | vhdl->set_body (1,"in_READ_"+toString(num_read)+"_VAL,"); |
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146 | if (_param->_have_port_address) |
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147 | vhdl->set_body (1,"in_READ_"+toString(num_read)+"_ADDRESS,"); |
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148 | } |
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149 | for (uint32_t num_write=0; num_write<_param->_nb_port_write; ++num_write) |
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150 | { |
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151 | vhdl->set_body (1,"in_WRITE_"+toString(num_write)+"_VAL,"); |
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152 | if (_param->_have_port_address) |
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153 | vhdl->set_body (1,"in_WRITE_"+toString(num_write)+"_ADDRESS,"); |
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154 | vhdl->set_body (1,"in_WRITE_"+toString(num_write)+"_DATA,"); |
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155 | } |
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156 | for (uint32_t num_write = 0; num_write < _param->_nb_port_write; num_write++) |
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157 | vhdl->set_body (1,"in_NRESET,"); |
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158 | vhdl->set_body (1,"reg_DATA)"); |
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159 | vhdl->set_body (1,"variable sig_DATA : Treg;"); |
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160 | vhdl->set_body (0,"begin"); |
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161 | vhdl->set_body (1,""); |
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162 | vhdl->set_body (1,"sig_DATA := reg_DATA;"); |
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163 | |
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164 | vhdl->set_body (1,""); |
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165 | vhdl->set_body (1," -- ack"); |
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166 | vhdl->set_body (1,""); |
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167 | |
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168 | for (uint32_t i = 0; i < _param->_nb_port_read; i++) |
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169 | vhdl->set_body (1,"out_READ_"+toString(i)+"_ACK <= '1';"); |
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170 | for (uint32_t i = 0; i < _param->_nb_port_write; i++) |
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171 | vhdl->set_body (1,"out_WRITE_"+toString(i)+"_ACK <= '1';"); |
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172 | vhdl->set_body (1,""); |
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173 | vhdl->set_body (1," -- Read"); |
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174 | vhdl->set_body (1,""); |
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175 | |
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176 | for (uint32_t i = 0; i < _param->_nb_port_read; i++) |
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177 | { |
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178 | std::string str_address; |
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179 | if (_param->_have_port_address) |
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180 | str_address = "conv_integer(in_READ_"+toString(i)+"_ADDRESS)"; |
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181 | else |
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182 | str_address = "0"; |
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183 | |
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184 | vhdl->set_body (1,"if (in_READ_"+toString(i)+"_VAL = '1') then"), |
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185 | vhdl->set_body (2,"out_READ_"+toString(i)+"_DATA <= sig_DATA.reg ("+str_address+");"); |
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186 | vhdl->set_body (1,"else"), |
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187 | vhdl->set_body (2,"out_READ_"+toString(i)+"_DATA <= "+std_logic_others(_param->_size_word,0)+";"); |
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188 | vhdl->set_body (1,"end if;"); |
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189 | } |
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190 | vhdl->set_body (1,""); |
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191 | vhdl->set_body (1," -- write"); |
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192 | vhdl->set_body (1,""); |
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193 | |
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194 | for (uint32_t i = 0; i < _param->_nb_port_write; i++) |
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195 | { |
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196 | std::string str_address; |
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197 | if (_param->_have_port_address) |
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198 | str_address = "conv_integer(in_WRITE_"+toString(i)+"_ADDRESS)"; |
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199 | else |
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200 | str_address = "0"; |
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201 | |
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202 | vhdl->set_body (1,"if (in_WRITE_"+toString(i)+"_VAL = '1') then"); |
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203 | vhdl->set_body (2,"sig_DATA.reg("+str_address+") := in_WRITE_"+toString(i)+"_DATA;"); |
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204 | vhdl->set_body (1,"end if;"); |
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205 | } |
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206 | |
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207 | vhdl->set_body (1,""); |
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208 | vhdl->set_body (1,"reg_DATA_next <= sig_DATA;"); |
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209 | vhdl->set_body (1,""); |
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210 | vhdl->set_body (0,"end process combinatory;"); |
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211 | |
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212 | |
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213 | vhdl->set_body (0,"sequential: process (in_CLOCK)"); |
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214 | vhdl->set_body (0,"begin"); |
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215 | vhdl->set_body (1,"if rising_edge(in_CLOCK) then"); |
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216 | vhdl->set_body (2,"reg_DATA <= reg_DATA_NEXT;"); |
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217 | vhdl->set_body (1,"end if;"); |
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218 | vhdl->set_body (0,"end process sequential;"); |
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219 | |
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220 | #endif |
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221 | |
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222 | }; |
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223 | |
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224 | }; // end namespace registerfile_monolithic |
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225 | }; // end namespace registerfile |
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226 | }; // end namespace generic |
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227 | }; // end namespace behavioural |
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228 | }; // end namespace morpheo |
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229 | #endif |
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