[145] | 1 | #ifdef VHDL |
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| 2 | /* |
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| 3 | * $Id: RegisterFile_Internal_Banked_vhdl_body.cpp 145 2010-10-13 18:15:51Z 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_Internal_Banked/include/RegisterFile_Internal_Banked.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_internal_banked { |
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| 16 | |
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| 17 | void RegisterFile_Internal_Banked::vhdl_body (Vhdl * & vhdl) |
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| 18 | { |
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| 19 | vhdl->set_body (0,""); |
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| 20 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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| 21 | vhdl->set_comment(0," Ackitement"); |
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| 22 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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| 23 | vhdl->set_body (0,""); |
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| 24 | |
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| 25 | for (uint32_t num_read=0; num_read<_param->_nb_port_read; ++num_read) |
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| 26 | vhdl->set_body (0,"out_READ_"+toString(num_read)+"_ACK <= '1';"); |
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| 27 | for (uint32_t num_write=0; num_write<_param->_nb_port_write; ++num_write) |
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| 28 | vhdl->set_body (0,"out_WRITE_"+toString(num_write)+"_ACK <= '1';"); |
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| 29 | |
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| 30 | vhdl->set_body (0,""); |
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| 31 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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| 32 | vhdl->set_comment(0," Read RegisterFile"); |
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| 33 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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| 34 | vhdl->set_body (0,""); |
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| 35 | |
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| 36 | if (_param->_size_ptr_write>0) |
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| 37 | for (uint32_t num_read=0; num_read<_param->_nb_port_read; ++num_read) |
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| 38 | { |
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| 39 | #ifdef PTR_IS_REGFILE |
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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(num_read)+"_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,"READ_NUM_BANK_"+toString(num_read)+" <= reg_PTR_WRITE("+str_address+");"); |
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| 47 | #else |
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| 48 | |
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| 49 | vhdl->set_body (0,"with in_READ_"+toString(num_read)+"_ADDRESS select"); |
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| 50 | vhdl->set_body (1,"READ_NUM_BANK_"+toString(num_read)+" <="); |
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| 51 | for (uint32_t num_word=0; num_word<_param->_nb_word-1; ++num_word) |
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| 52 | vhdl->set_body (1,"reg_PTR_WRITE_"+toString(num_word)+" when "+std_logic_cst(_param->_size_address,num_word)+","); |
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| 53 | vhdl->set_body (1,"reg_PTR_WRITE_"+toString(_param->_nb_word-1)+" when others;"); |
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| 54 | #endif |
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| 55 | } |
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| 56 | vhdl->set_body (0,""); |
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| 57 | |
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| 58 | for (uint32_t num_read=0; num_read<_param->_nb_port_read; ++num_read) |
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| 59 | { |
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| 60 | std::string str_address; |
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| 61 | if (_param->_have_port_address) |
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| 62 | str_address = "conv_integer(in_READ_"+toString(num_read)+"_ADDRESS)"; |
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| 63 | else |
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| 64 | str_address = "0"; |
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| 65 | |
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| 66 | vhdl->set_body (0,"out_READ_"+toString(num_read)+"_DATA <="); |
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| 67 | for (uint32_t num_write=0; num_write<_param->_nb_port_write; ++num_write) |
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| 68 | { |
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| 69 | std::string str_ptr_write=""; |
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| 70 | if (_param->_size_ptr_write>0) |
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| 71 | str_ptr_write = " and READ_NUM_BANK_"+toString(num_read)+" = "+std_logic_cst(_param->_size_ptr_write,num_write); |
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| 72 | |
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| 73 | vhdl->set_body (1,"reg_DATA_"+toString(num_write)+"_"+toString(num_read)+"("+str_address+") when in_READ_"+toString(num_read)+"_VAL = '1'"+str_ptr_write+" else"); |
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| 74 | } |
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| 75 | vhdl->set_body (1,std_logic_others(_param->_size_word,0)+";"); |
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| 76 | } |
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| 77 | |
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| 78 | vhdl->set_body (0,""); |
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| 79 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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| 80 | vhdl->set_comment(0," Write RegisterFile"); |
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| 81 | vhdl->set_comment(0,"---------------------------------------------------------------------------"); |
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| 82 | vhdl->set_body (0,""); |
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| 83 | |
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| 84 | vhdl->set_body (0,"RegisterFile_write: process (in_CLOCK)"); |
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| 85 | vhdl->set_body (0,"begin -- process RegisterFile_write"); |
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| 86 | vhdl->set_body (1,"if in_CLOCK'event and in_CLOCK = '1' then"); |
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| 87 | |
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| 88 | if (_param->_have_init_value) |
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| 89 | { |
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| 90 | vhdl->set_body (2,"if in_NRESET = '0' then"); |
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| 91 | |
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| 92 | std::string init_value = ((_param->_size_word>1)?"\"":"'")+_param->_init_value+((_param->_size_word>1)?"\"":"'"); |
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| 93 | |
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| 94 | for (uint32_t num_word=0; num_word<_param->_nb_word; ++num_word) |
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| 95 | { |
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| 96 | for (uint32_t num_read=0; num_read<_param->_nb_port_read; ++num_read) |
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| 97 | vhdl->set_body (3,"reg_DATA_0_"+toString(num_read)+"("+toString(num_word)+") <= "+init_value+";"); |
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| 98 | |
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| 99 | if (_param->_size_ptr_write>0) |
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| 100 | { |
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| 101 | #ifdef PTR_IS_REGFILE |
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| 102 | vhdl->set_body (3,"reg_PTR_WRITE("+toString(num_word)+") <= "+std_logic_cst(_param->_size_ptr_write,0)+";"); |
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| 103 | #else |
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| 104 | vhdl->set_body (3,"reg_PTR_WRITE_"+toString(num_word)+" <= "+std_logic_cst(_param->_size_ptr_write,0)+";"); |
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| 105 | #endif |
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| 106 | } |
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| 107 | } |
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| 108 | vhdl->set_body (2,"else"); |
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| 109 | } |
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| 110 | // else |
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| 111 | // { |
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| 112 | // vhdl->set_body (2,"if in_NRESET = '0' then"); |
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| 113 | |
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| 114 | // for (uint32_t num_word=0; num_word<_param->_nb_word; ++num_word) |
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| 115 | // if (_param->_size_ptr_write>0) |
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| 116 | // vhdl->set_body (3,"reg_PTR_WRITE("+toString(num_word)+") <= "+std_logic_cst(_param->_size_ptr_write,0)+";"); |
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| 117 | // vhdl->set_body (2,"else"); |
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| 118 | // } |
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| 119 | |
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| 120 | |
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| 121 | for (uint32_t num_write=0; num_write<_param->_nb_port_write; ++num_write) |
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| 122 | { |
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| 123 | std::string str_address; |
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| 124 | if (_param->_have_port_address) |
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| 125 | str_address = "conv_integer(in_WRITE_"+toString(num_write)+"_ADDRESS)"; |
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| 126 | else |
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| 127 | str_address = "0"; |
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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_read=0; num_read<_param->_nb_port_read; ++num_read) |
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| 131 | vhdl->set_body (3,"reg_DATA_"+toString(num_write)+"_"+toString(num_read)+"("+str_address+") <= in_WRITE_"+toString(num_write)+"_DATA;"); |
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| 132 | |
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| 133 | if (_param->_size_ptr_write>0) |
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| 134 | { |
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| 135 | #ifdef PTR_IS_REGFILE |
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| 136 | vhdl->set_body (3,"reg_PTR_WRITE("+str_address+") <= "+std_logic_cst(_param->_size_ptr_write,num_write)+";"); |
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| 137 | #else |
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| 138 | for (uint32_t num_word=0; num_word<_param->_nb_word; ++num_word) |
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| 139 | { |
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| 140 | vhdl->set_body (3,"if (in_WRITE_"+toString(num_write)+"_ADDRESS = "+std_logic_cst(_param->_size_address,num_word)+") then"); |
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| 141 | vhdl->set_body (4,"reg_PTR_WRITE_"+toString(num_word)+" <= "+std_logic_cst(_param->_size_ptr_write,num_write)+";"); |
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| 142 | vhdl->set_body (3,"end if;"); |
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| 143 | } |
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| 144 | #endif |
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| 145 | } |
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| 146 | vhdl->set_body (2,"end if;"); |
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| 147 | } |
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| 148 | |
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| 149 | vhdl->set_body (1,"end if;"); |
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| 150 | |
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| 151 | if (_param->_have_init_value) |
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| 152 | vhdl->set_body (1,"end if;"); |
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| 153 | |
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| 154 | vhdl->set_body (0,"end process RegisterFile_write;"); |
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| 155 | }; |
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| 156 | |
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| 157 | }; // end namespace registerfile_internal_banked |
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| 158 | }; // end namespace registerfile |
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| 159 | }; // end namespace generic |
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| 160 | }; // end namespace behavioural |
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| 161 | }; // end namespace morpheo |
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| 162 | #endif |
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