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1
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{
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2
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"DESIGN_FILE" : {
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3
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"design_units" : [{
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"contexts" : [["LIBRARY_CLAUSE", [["IDENTIFIER", "ieee"]]], ["USE_CLAUSE", [["SELECTED_NAME", [["SIMPLE_NAME", "ieee"], ["SIMPLE_NAME", "std_logic_1164"]]]]], ["USE_CLAUSE", [["SELECTED_NAME", [["SIMPLE_NAME", "ieee"], ["SIMPLE_NAME", "numeric_std"]]]]]], "library" : ["ENTITY_DECLARATION", {
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"name" : ["IDENTIFIER", "sync_ram"], "ports" : [{
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"names" : [["IDENTIFIER", "clock"]], "mode" : ["in"], "typ" : {
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"name" : ["SIMPLE_NAME", "std_logic"]}
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}
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, {
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"names" : [["IDENTIFIER", "we"]], "mode" : ["in"], "typ" : {
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"name" : ["SIMPLE_NAME", "std_logic"]}
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}
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, {
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"names" : [["IDENTIFIER", "address"]], "mode" : ["in"], "typ" : {
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"name" : ["SIMPLE_NAME", "std_logic_vector"]}
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}
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, {
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"names" : [["IDENTIFIER", "datain"]], "mode" : ["in"], "typ" : {
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"name" : ["SIMPLE_NAME", "std_logic_vector"]}
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}
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, {
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"names" : [["IDENTIFIER", "dataout"]], "mode" : ["out"], "typ" : {
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"name" : ["SIMPLE_NAME", "std_logic_vector"]}
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}
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], "ENTITY_DECLARATIVE_PART" : [], "ENTITY_STATEMENT_PART" : []}
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]}
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, {
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"contexts" : [], "library" : ["ARCHITECTURE_BODY", {
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"name" : ["IDENTIFIER", "rtl"], "entity" : ["IDENTIFIER", "sync_ram"], "ARCHITECTURE_DECLARATIVE_PART" : [{
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"definition" : ["TYPE_DECLARATION", {
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"name" : ["IDENTIFIER", "ram_type"], "definition" : ["ARRAY_TYPE_DEFINITION", {
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"const" : ["INDEX_CONSTRAINT", {
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"ranges" : [["RANGE_WITH_DIRECTION", {
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"direction" : "to", "from" : ["EXPRESSION", {
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"args" : [["EXPRESSION", {
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"args" : [["CONSTANT_VALUE", {
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"value" : ["CST_LITERAL", "0"]}
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]]}
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]]}
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], "_to" : ["EXPRESSION", {
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"args" : [["EXPRESSION", {
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"id" : "-", "args" : [["EXPRESSION", {
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"args" : [["EXPRESSION", {
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44
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"args" : [["EXPRESSION", {
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45
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"args" : [["EXPRESSION", {
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"args" : [["EXPRESSION", {
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"id" : "**", "args" : [["CONSTANT_VALUE", {
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"value" : ["CST_LITERAL", "2"]}
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], ["CALL", ["ATTRIBUTE_NAME", {
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"id" : ["SIMPLE_NAME", "address"], "designator" : ["SIMPLE_NAME", "length"]}
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]]]}
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]]}
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53
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]]}
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]]}
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]]}
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], ["EXPRESSION", {
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"args" : [["CONSTANT_VALUE", {
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"value" : ["CST_LITERAL", "1"]}
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]]}
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]]}
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]]}
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]}
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]]}
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], "definition" : {
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"name" : ["SIMPLE_NAME", "std_logic_vector"], "const" : ["INDEX_CONSTRAINT", {
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"ranges" : [["NAMED_RANGE", ["ATTRIBUTE_NAME", {
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"id" : ["SIMPLE_NAME", "datain"], "designator" : ["SIMPLE_NAME", "range"]}
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]]]}
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]}
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}
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]}
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]}
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, {
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"declaration" : ["SIGNAL_DECLARATION", {
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"names" : [["IDENTIFIER", "ram"]], "typ" : {
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"name" : ["SIMPLE_NAME", "ram_type"]}
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}
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]}
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, {
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"declaration" : ["SIGNAL_DECLARATION", {
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"names" : [["IDENTIFIER", "read_address"]], "typ" : {
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82
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"name" : ["SIMPLE_NAME", "std_logic_vector"], "const" : ["INDEX_CONSTRAINT", {
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"ranges" : [["NAMED_RANGE", ["ATTRIBUTE_NAME", {
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"id" : ["SIMPLE_NAME", "address"], "designator" : ["SIMPLE_NAME", "range"]}
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85
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]]]}
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]}
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}
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]}
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], "ARCHITECTURE_STATEMENT_PART" : [["PROCESS_STATEMENT", {
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"id" : ["IDENTIFIER", "ramproc"], "active_sigs" : [["SIMPLE_NAME", "clock"]], "PROCESS_STATEMENT_PART" : [["IF_STATEMENT", {
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91
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"if_cases" : [{
|
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92
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"if_cond" : ["EXPRESSION", {
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93
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"args" : [["EXPRESSION", {
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94
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"args" : [["EXPRESSION", {
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95
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"args" : [["EXPRESSION", {
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96
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"args" : [["CALL", ["FUNCTION_CALL", {
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"id" : ["SIMPLE_NAME", "rising_edge"], "assoc_list" : [{
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98
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"actual_designator" : ["SIMPLE_NAME", "clock"]}
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99
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]}
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100
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]]]}
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101
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]]}
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102
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]]}
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103
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]]}
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104
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], "if_block" : [["IF_STATEMENT", {
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105
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"if_cases" : [{
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106
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"if_cond" : ["EXPRESSION", {
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107
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"id" : "=", "args" : [["EXPRESSION", {
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108
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"args" : [["EXPRESSION", {
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109
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"args" : [["EXPRESSION", {
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110
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"args" : [["CALL", ["SIMPLE_NAME", "we"]]]}
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111
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]]}
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112
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]]}
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113
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], ["EXPRESSION", {
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114
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"args" : [["EXPRESSION", {
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115
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"args" : [["EXPRESSION", {
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116
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"args" : [["CONSTANT_VALUE", {
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117
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"value" : ["CST_LITERAL", "'1'"]}
|
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118
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]]}
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119
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]]}
|
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120
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]]}
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121
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]]}
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122
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], "if_block" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
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123
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"lhs" : ["INDEXED_NAME", {
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124
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"id" : ["SIMPLE_NAME", "ram"], "exprs" : [["EXPRESSION", {
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125
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"args" : [["EXPRESSION", {
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126
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"args" : [["EXPRESSION", {
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127
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"args" : [["EXPRESSION", {
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128
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"args" : [["CALL", ["FUNCTION_CALL", {
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129
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"id" : ["SIMPLE_NAME", "to_integer"], "assoc_list" : [{
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130
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"actual_expr" : ["EXPRESSION", {
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131
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"args" : [["EXPRESSION", {
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132
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"args" : [["EXPRESSION", {
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133
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"args" : [["EXPRESSION", {
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134
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"args" : [["CALL", ["FUNCTION_CALL", {
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135
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"id" : ["SIMPLE_NAME", "unsigned"], "assoc_list" : [{
|
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136
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"actual_designator" : ["SIMPLE_NAME", "address"]}
|
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137
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]}
|
|
138
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]]]}
|
|
139
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]]}
|
|
140
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]]}
|
|
141
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]]}
|
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142
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]}
|
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143
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]}
|
|
144
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]]]}
|
|
145
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]]}
|
|
146
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]]}
|
|
147
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]]}
|
|
148
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]]}
|
|
149
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], "rhs" : [{
|
|
150
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"value" : ["EXPRESSION", {
|
|
151
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"args" : [["EXPRESSION", {
|
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152
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"args" : [["EXPRESSION", {
|
|
153
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"args" : [["EXPRESSION", {
|
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154
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"args" : [["CALL", ["SIMPLE_NAME", "datain"]]]}
|
|
155
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]]}
|
|
156
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]]}
|
|
157
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]]}
|
|
158
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]}
|
|
159
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]}
|
|
160
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]]}
|
|
161
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]}
|
|
162
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], ["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
163
|
"lhs" : ["SIMPLE_NAME", "read_address"], "rhs" : [{
|
|
164
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"value" : ["EXPRESSION", {
|
|
165
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"args" : [["EXPRESSION", {
|
|
166
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"args" : [["EXPRESSION", {
|
|
167
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"args" : [["EXPRESSION", {
|
|
168
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"args" : [["CALL", ["SIMPLE_NAME", "address"]]]}
|
|
169
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]]}
|
|
170
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]]}
|
|
171
|
]]}
|
|
172
|
]}
|
|
173
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]}
|
|
174
|
]]}
|
|
175
|
]}
|
|
176
|
]]}
|
|
177
|
], ["CONDITIONAL_SIGNAL_ASSIGNMENT", {
|
|
178
|
"postponed" : false, "lhs" : ["SIMPLE_NAME", "dataout"], "rhs" : [{
|
|
179
|
"expr" : [{
|
|
180
|
"value" : ["EXPRESSION", {
|
|
181
|
"args" : [["EXPRESSION", {
|
|
182
|
"args" : [["EXPRESSION", {
|
|
183
|
"args" : [["EXPRESSION", {
|
|
184
|
"args" : [["CALL", ["FUNCTION_CALL", {
|
|
185
|
"id" : ["SIMPLE_NAME", "ram"], "assoc_list" : [{
|
|
186
|
"actual_expr" : ["EXPRESSION", {
|
|
187
|
"args" : [["EXPRESSION", {
|
|
188
|
"args" : [["EXPRESSION", {
|
|
189
|
"args" : [["EXPRESSION", {
|
|
190
|
"args" : [["CALL", ["FUNCTION_CALL", {
|
|
191
|
"id" : ["SIMPLE_NAME", "to_integer"], "assoc_list" : [{
|
|
192
|
"actual_expr" : ["EXPRESSION", {
|
|
193
|
"args" : [["EXPRESSION", {
|
|
194
|
"args" : [["EXPRESSION", {
|
|
195
|
"args" : [["EXPRESSION", {
|
|
196
|
"args" : [["CALL", ["FUNCTION_CALL", {
|
|
197
|
"id" : ["SIMPLE_NAME", "unsigned"], "assoc_list" : [{
|
|
198
|
"actual_designator" : ["SIMPLE_NAME", "read_address"]}
|
|
199
|
]}
|
|
200
|
]]]}
|
|
201
|
]]}
|
|
202
|
]]}
|
|
203
|
]]}
|
|
204
|
]}
|
|
205
|
]}
|
|
206
|
]]]}
|
|
207
|
]]}
|
|
208
|
]]}
|
|
209
|
]]}
|
|
210
|
]}
|
|
211
|
]}
|
|
212
|
]]]}
|
|
213
|
]]}
|
|
214
|
]]}
|
|
215
|
]]}
|
|
216
|
]}
|
|
217
|
]}
|
|
218
|
]}
|
|
219
|
]]}
|
|
220
|
]}
|
|
221
|
]}
|
|
222
|
}
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