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1
|
{
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|
2
|
"DESIGN_FILE" : {
|
|
3
|
"design_units" : [{
|
|
4
|
"contexts" : [], "library" : ["PACKAGE_DECLARATION", {
|
|
5
|
"name" : ["IDENTIFIER", "typedef"], "shared_defs" : [["SUBTYPE_DECLARATION", {
|
|
6
|
"name" : ["IDENTIFIER", "byte"], "typ" : {
|
|
7
|
"name" : ["SIMPLE_NAME", "bit_vector"], "const" : ["INDEX_CONSTRAINT", {
|
|
8
|
"ranges" : [["RANGE_WITH_DIRECTION", {
|
|
9
|
"direction" : "downto", "from" : ["EXPRESSION", {
|
|
10
|
"args" : [["EXPRESSION", {
|
|
11
|
"args" : [["CONSTANT_VALUE", {
|
|
12
|
"value" : ["CST_LITERAL", "7"]}
|
|
13
|
]]}
|
|
14
|
]]}
|
|
15
|
], "_to" : ["EXPRESSION", {
|
|
16
|
"args" : [["EXPRESSION", {
|
|
17
|
"args" : [["CONSTANT_VALUE", {
|
|
18
|
"value" : ["CST_LITERAL", "0"]}
|
|
19
|
]]}
|
|
20
|
]]}
|
|
21
|
]}
|
|
22
|
]]}
|
|
23
|
]}
|
|
24
|
}
|
|
25
|
]], "shared_decls" : [], "shared_uses" : []}
|
|
26
|
]}
|
|
27
|
, {
|
|
28
|
"contexts" : [["USE_CLAUSE", [["SELECTED_NAME", [["SIMPLE_NAME", "work"], ["SIMPLE_NAME", "typedef"]]]]]], "library" : ["ENTITY_DECLARATION", {
|
|
29
|
"name" : ["IDENTIFIER", "data_path"], "ports" : [{
|
|
30
|
"names" : [["IDENTIFIER", "clk"], ["IDENTIFIER", "rst"], ["IDENTIFIER", "s_1"]], "mode" : ["in"], "typ" : {
|
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31
|
"name" : ["SIMPLE_NAME", "boolean"]}
|
|
32
|
}
|
|
33
|
, {
|
|
34
|
"names" : [["IDENTIFIER", "s0"], ["IDENTIFIER", "s1"]], "mode" : ["in"], "typ" : {
|
|
35
|
"name" : ["SIMPLE_NAME", "bit"]}
|
|
36
|
}
|
|
37
|
, {
|
|
38
|
"names" : [["IDENTIFIER", "d0"], ["IDENTIFIER", "d1"], ["IDENTIFIER", "d2"], ["IDENTIFIER", "d3"]], "mode" : ["in"], "typ" : {
|
|
39
|
"name" : ["SIMPLE_NAME", "byte"]}
|
|
40
|
}
|
|
41
|
, {
|
|
42
|
"names" : [["IDENTIFIER", "q"]], "mode" : ["out"], "typ" : {
|
|
43
|
"name" : ["SIMPLE_NAME", "byte"]}
|
|
44
|
}
|
|
45
|
], "ENTITY_DECLARATIVE_PART" : [], "ENTITY_STATEMENT_PART" : []}
|
|
46
|
]}
|
|
47
|
, {
|
|
48
|
"contexts" : [], "library" : ["ARCHITECTURE_BODY", {
|
|
49
|
"name" : ["IDENTIFIER", "behavior"], "entity" : ["IDENTIFIER", "data_path"], "ARCHITECTURE_DECLARATIVE_PART" : [{
|
|
50
|
"declaration" : ["SIGNAL_DECLARATION", {
|
|
51
|
"names" : [["IDENTIFIER", "reg"], ["IDENTIFIER", "shft"]], "typ" : {
|
|
52
|
"name" : ["SIMPLE_NAME", "byte"]}
|
|
53
|
}
|
|
54
|
]}
|
|
55
|
, {
|
|
56
|
"declaration" : ["SIGNAL_DECLARATION", {
|
|
57
|
"names" : [["IDENTIFIER", "sel"]], "typ" : {
|
|
58
|
"name" : ["SIMPLE_NAME", "bit_vector"], "const" : ["INDEX_CONSTRAINT", {
|
|
59
|
"ranges" : [["RANGE_WITH_DIRECTION", {
|
|
60
|
"direction" : "downto", "from" : ["EXPRESSION", {
|
|
61
|
"args" : [["EXPRESSION", {
|
|
62
|
"args" : [["CONSTANT_VALUE", {
|
|
63
|
"value" : ["CST_LITERAL", "1"]}
|
|
64
|
]]}
|
|
65
|
]]}
|
|
66
|
], "_to" : ["EXPRESSION", {
|
|
67
|
"args" : [["EXPRESSION", {
|
|
68
|
"args" : [["CONSTANT_VALUE", {
|
|
69
|
"value" : ["CST_LITERAL", "0"]}
|
|
70
|
]]}
|
|
71
|
]]}
|
|
72
|
]}
|
|
73
|
]]}
|
|
74
|
]}
|
|
75
|
}
|
|
76
|
]}
|
|
77
|
], "ARCHITECTURE_STATEMENT_PART" : [["PROCESS_STATEMENT", {
|
|
78
|
"active_sigs" : [["SIMPLE_NAME", "clk"], ["SIMPLE_NAME", "rst"]], "PROCESS_STATEMENT_PART" : [["IF_STATEMENT", {
|
|
79
|
"if_cases" : [{
|
|
80
|
"if_cond" : ["EXPRESSION", {
|
|
81
|
"args" : [["EXPRESSION", {
|
|
82
|
"args" : [["EXPRESSION", {
|
|
83
|
"args" : [["EXPRESSION", {
|
|
84
|
"args" : [["CALL", ["SIMPLE_NAME", "rst"]]]}
|
|
85
|
]]}
|
|
86
|
]]}
|
|
87
|
]]}
|
|
88
|
], "if_block" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
89
|
"lhs" : ["SIMPLE_NAME", "reg"], "rhs" : [{
|
|
90
|
"value" : ["EXPRESSION", {
|
|
91
|
"args" : [["EXPRESSION", {
|
|
92
|
"args" : [["EXPRESSION", {
|
|
93
|
"args" : [["EXPRESSION", {
|
|
94
|
"args" : [["CONSTANT_VALUE", {
|
|
95
|
"value" : ["CST_LITERAL", "x\"00\""]}
|
|
96
|
]]}
|
|
97
|
]]}
|
|
98
|
]]}
|
|
99
|
]]}
|
|
100
|
]}
|
|
101
|
]}
|
|
102
|
], ["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
103
|
"lhs" : ["SIMPLE_NAME", "shft"], "rhs" : [{
|
|
104
|
"value" : ["EXPRESSION", {
|
|
105
|
"args" : [["EXPRESSION", {
|
|
106
|
"args" : [["EXPRESSION", {
|
|
107
|
"args" : [["EXPRESSION", {
|
|
108
|
"args" : [["CONSTANT_VALUE", {
|
|
109
|
"value" : ["CST_LITERAL", "x\"00\""]}
|
|
110
|
]]}
|
|
111
|
]]}
|
|
112
|
]]}
|
|
113
|
]]}
|
|
114
|
]}
|
|
115
|
]}
|
|
116
|
]]}
|
|
117
|
, {
|
|
118
|
"if_cond" : ["EXPRESSION", {
|
|
119
|
"id" : "and", "args" : [["EXPRESSION", {
|
|
120
|
"args" : [["EXPRESSION", {
|
|
121
|
"args" : [["EXPRESSION", {
|
|
122
|
"args" : [["EXPRESSION", {
|
|
123
|
"args" : [["CALL", ["SIMPLE_NAME", "clk"]]]}
|
|
124
|
]]}
|
|
125
|
]]}
|
|
126
|
]]}
|
|
127
|
], ["EXPRESSION", {
|
|
128
|
"args" : [["EXPRESSION", {
|
|
129
|
"args" : [["EXPRESSION", {
|
|
130
|
"args" : [["EXPRESSION", {
|
|
131
|
"args" : [["CALL", ["ATTRIBUTE_NAME", {
|
|
132
|
"id" : ["SIMPLE_NAME", "clk"], "designator" : ["SIMPLE_NAME", "event"]}
|
|
133
|
]]]}
|
|
134
|
]]}
|
|
135
|
]]}
|
|
136
|
]]}
|
|
137
|
]]}
|
|
138
|
], "if_block" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
139
|
"lhs" : ["SIMPLE_NAME", "sel"], "rhs" : [{
|
|
140
|
"value" : ["EXPRESSION", {
|
|
141
|
"args" : [["EXPRESSION", {
|
|
142
|
"args" : [["EXPRESSION", {
|
|
143
|
"args" : [["EXPRESSION", {
|
|
144
|
"id" : "&", "args" : [["EXPRESSION", {
|
|
145
|
"args" : [["CALL", ["SIMPLE_NAME", "s0"]]]}
|
|
146
|
], ["EXPRESSION", {
|
|
147
|
"args" : [["CALL", ["SIMPLE_NAME", "s1"]]]}
|
|
148
|
]]}
|
|
149
|
]]}
|
|
150
|
]]}
|
|
151
|
]]}
|
|
152
|
]}
|
|
153
|
]}
|
|
154
|
], ["CASE_STATEMENT_TREE", {
|
|
155
|
"guard" : ["EXPRESSION", {
|
|
156
|
"args" : [["EXPRESSION", {
|
|
157
|
"args" : [["EXPRESSION", {
|
|
158
|
"args" : [["EXPRESSION", {
|
|
159
|
"args" : [["CALL", ["SIMPLE_NAME", "sel"]]]}
|
|
160
|
]]}
|
|
161
|
]]}
|
|
162
|
]]}
|
|
163
|
], "branches" : [{
|
|
164
|
"when_cond" : [["EXPRESSION", {
|
|
165
|
"args" : [["EXPRESSION", {
|
|
166
|
"args" : [["CONSTANT_VALUE", {
|
|
167
|
"value" : ["CST_LITERAL", "b\"00\""]}
|
|
168
|
]]}
|
|
169
|
]]}
|
|
170
|
]], "when_stmt" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
171
|
"lhs" : ["SIMPLE_NAME", "reg"], "rhs" : [{
|
|
172
|
"value" : ["EXPRESSION", {
|
|
173
|
"args" : [["EXPRESSION", {
|
|
174
|
"args" : [["EXPRESSION", {
|
|
175
|
"args" : [["EXPRESSION", {
|
|
176
|
"args" : [["CALL", ["SIMPLE_NAME", "d0"]]]}
|
|
177
|
]]}
|
|
178
|
]]}
|
|
179
|
]]}
|
|
180
|
]}
|
|
181
|
]}
|
|
182
|
]]}
|
|
183
|
, {
|
|
184
|
"when_cond" : [["EXPRESSION", {
|
|
185
|
"args" : [["EXPRESSION", {
|
|
186
|
"args" : [["CONSTANT_VALUE", {
|
|
187
|
"value" : ["CST_LITERAL", "b\"10\""]}
|
|
188
|
]]}
|
|
189
|
]]}
|
|
190
|
]], "when_stmt" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
191
|
"lhs" : ["SIMPLE_NAME", "reg"], "rhs" : [{
|
|
192
|
"value" : ["EXPRESSION", {
|
|
193
|
"args" : [["EXPRESSION", {
|
|
194
|
"args" : [["EXPRESSION", {
|
|
195
|
"args" : [["EXPRESSION", {
|
|
196
|
"args" : [["CALL", ["SIMPLE_NAME", "d1"]]]}
|
|
197
|
]]}
|
|
198
|
]]}
|
|
199
|
]]}
|
|
200
|
]}
|
|
201
|
]}
|
|
202
|
]]}
|
|
203
|
, {
|
|
204
|
"when_cond" : [["EXPRESSION", {
|
|
205
|
"args" : [["EXPRESSION", {
|
|
206
|
"args" : [["CONSTANT_VALUE", {
|
|
207
|
"value" : ["CST_LITERAL", "b\"01\""]}
|
|
208
|
]]}
|
|
209
|
]]}
|
|
210
|
]], "when_stmt" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
211
|
"lhs" : ["SIMPLE_NAME", "reg"], "rhs" : [{
|
|
212
|
"value" : ["EXPRESSION", {
|
|
213
|
"args" : [["EXPRESSION", {
|
|
214
|
"args" : [["EXPRESSION", {
|
|
215
|
"args" : [["EXPRESSION", {
|
|
216
|
"args" : [["CALL", ["SIMPLE_NAME", "d2"]]]}
|
|
217
|
]]}
|
|
218
|
]]}
|
|
219
|
]]}
|
|
220
|
]}
|
|
221
|
]}
|
|
222
|
]]}
|
|
223
|
, {
|
|
224
|
"when_cond" : [["EXPRESSION", {
|
|
225
|
"args" : [["EXPRESSION", {
|
|
226
|
"args" : [["CONSTANT_VALUE", {
|
|
227
|
"value" : ["CST_LITERAL", "b\"11\""]}
|
|
228
|
]]}
|
|
229
|
]]}
|
|
230
|
]], "when_stmt" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
231
|
"lhs" : ["SIMPLE_NAME", "reg"], "rhs" : [{
|
|
232
|
"value" : ["EXPRESSION", {
|
|
233
|
"args" : [["EXPRESSION", {
|
|
234
|
"args" : [["EXPRESSION", {
|
|
235
|
"args" : [["EXPRESSION", {
|
|
236
|
"args" : [["CALL", ["SIMPLE_NAME", "d3"]]]}
|
|
237
|
]]}
|
|
238
|
]]}
|
|
239
|
]]}
|
|
240
|
]}
|
|
241
|
]}
|
|
242
|
]]}
|
|
243
|
]}
|
|
244
|
], ["IF_STATEMENT", {
|
|
245
|
"if_cases" : [{
|
|
246
|
"if_cond" : ["EXPRESSION", {
|
|
247
|
"args" : [["EXPRESSION", {
|
|
248
|
"args" : [["EXPRESSION", {
|
|
249
|
"args" : [["EXPRESSION", {
|
|
250
|
"args" : [["CALL", ["SIMPLE_NAME", "s_1"]]]}
|
|
251
|
]]}
|
|
252
|
]]}
|
|
253
|
]]}
|
|
254
|
], "if_block" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
255
|
"lhs" : ["SIMPLE_NAME", "shft"], "rhs" : [{
|
|
256
|
"value" : ["EXPRESSION", {
|
|
257
|
"args" : [["EXPRESSION", {
|
|
258
|
"args" : [["EXPRESSION", {
|
|
259
|
"args" : [["EXPRESSION", {
|
|
260
|
"id" : "&", "args" : [["EXPRESSION", {
|
|
261
|
"args" : [["CALL", ["SLICE_NAME", {
|
|
262
|
"id" : ["SIMPLE_NAME", "shft"], "range" : ["RANGE_WITH_DIRECTION", {
|
|
263
|
"direction" : "downto", "from" : ["EXPRESSION", {
|
|
264
|
"args" : [["EXPRESSION", {
|
|
265
|
"args" : [["CONSTANT_VALUE", {
|
|
266
|
"value" : ["CST_LITERAL", "6"]}
|
|
267
|
]]}
|
|
268
|
]]}
|
|
269
|
], "_to" : ["EXPRESSION", {
|
|
270
|
"args" : [["EXPRESSION", {
|
|
271
|
"args" : [["CONSTANT_VALUE", {
|
|
272
|
"value" : ["CST_LITERAL", "0"]}
|
|
273
|
]]}
|
|
274
|
]]}
|
|
275
|
]}
|
|
276
|
]}
|
|
277
|
]]]}
|
|
278
|
], ["EXPRESSION", {
|
|
279
|
"args" : [["CALL", ["INDEXED_NAME", {
|
|
280
|
"id" : ["SIMPLE_NAME", "shft"], "exprs" : [["EXPRESSION", {
|
|
281
|
"args" : [["EXPRESSION", {
|
|
282
|
"args" : [["EXPRESSION", {
|
|
283
|
"args" : [["EXPRESSION", {
|
|
284
|
"args" : [["CONSTANT_VALUE", {
|
|
285
|
"value" : ["CST_LITERAL", "7"]}
|
|
286
|
]]}
|
|
287
|
]]}
|
|
288
|
]]}
|
|
289
|
]]}
|
|
290
|
]]}
|
|
291
|
]]]}
|
|
292
|
]]}
|
|
293
|
]]}
|
|
294
|
]]}
|
|
295
|
]]}
|
|
296
|
]}
|
|
297
|
]}
|
|
298
|
]]}
|
|
299
|
], "default" : [["SIGNAL_ASSIGNMENT_STATEMENT", {
|
|
300
|
"lhs" : ["SIMPLE_NAME", "shft"], "rhs" : [{
|
|
301
|
"value" : ["EXPRESSION", {
|
|
302
|
"args" : [["EXPRESSION", {
|
|
303
|
"args" : [["EXPRESSION", {
|
|
304
|
"args" : [["EXPRESSION", {
|
|
305
|
"args" : [["CALL", ["SIMPLE_NAME", "reg"]]]}
|
|
306
|
]]}
|
|
307
|
]]}
|
|
308
|
]]}
|
|
309
|
]}
|
|
310
|
]}
|
|
311
|
]]}
|
|
312
|
]]}
|
|
313
|
]}
|
|
314
|
]]}
|
|
315
|
], ["CONDITIONAL_SIGNAL_ASSIGNMENT", {
|
|
316
|
"postponed" : false, "lhs" : ["SIMPLE_NAME", "q"], "rhs" : [{
|
|
317
|
"expr" : [{
|
|
318
|
"value" : ["EXPRESSION", {
|
|
319
|
"args" : [["EXPRESSION", {
|
|
320
|
"args" : [["EXPRESSION", {
|
|
321
|
"args" : [["EXPRESSION", {
|
|
322
|
"args" : [["CALL", ["SIMPLE_NAME", "shft"]]]}
|
|
323
|
]]}
|
|
324
|
]]}
|
|
325
|
]]}
|
|
326
|
]}
|
|
327
|
]}
|
|
328
|
]}
|
|
329
|
]]}
|
|
330
|
]}
|
|
331
|
]}
|
|
332
|
}
|