1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
|
// See LICENSE for license details.
package chiselTests.naming
import chisel3._
import chisel3.aop.Select
import chisel3.experimental.{dump, noPrefix, prefix, treedump}
import chiselTests.{ChiselPropSpec, Utils}
class PrefixSpec extends ChiselPropSpec with Utils {
implicit val minimumMajorVersion: Int = 12
property("Scala plugin should interact with prefixing so last plugin name wins?") {
class Test extends MultiIOModule {
def builder(): UInt = {
val wire1 = Wire(UInt(3.W))
val wire2 = Wire(UInt(3.W))
wire2
}
{
val x1 = prefix("first") {
builder()
}
}
{
val x2 = prefix("second") {
builder()
}
}
}
aspectTest(() => new Test) {
top: Test => Select.wires(top).map(_.instanceName) should be (List("x1_first_wire1", "x1", "x2_second_wire1", "x2"))
}
}
property("Nested prefixes should work") {
class Test extends MultiIOModule {
def builder2(): UInt = {
val wire1 = Wire(UInt(3.W))
val wire2 = Wire(UInt(3.W))
wire2
}
def builder(): UInt = {
val wire1 = Wire(UInt(3.W))
val wire2 = Wire(UInt(3.W))
prefix("foo") {
builder2()
}
}
{ val x1 = builder() }
{ val x2 = builder() }
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(top).map(_.instanceName) should be (
List(
"x1_wire1",
"x1_wire2",
"x1_foo_wire1",
"x1",
"x2_wire1",
"x2_wire2",
"x2_foo_wire1",
"x2"
)
)
}
}
property("Prefixing seeded with signal") {
class Test extends MultiIOModule {
@treedump
@dump
def builder(): UInt = {
val wire = Wire(UInt(3.W))
wire := 3.U
wire
}
{
val x1 = Wire(UInt(3.W))
x1 := {
builder()
}
val x2 = Wire(UInt(3.W))
x2 := {
builder()
}
}
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(top).map(_.instanceName) should be (List("x1", "x1_wire", "x2", "x2_wire"))
}
}
property("Automatic prefixing should work") {
class Test extends MultiIOModule {
def builder(): UInt = {
val a = Wire(UInt(3.W))
val b = Wire(UInt(3.W))
b
}
{
val ADAM = builder()
val JACOB = builder()
}
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(top).map(_.instanceName) should be (List("ADAM_a", "ADAM", "JACOB_a", "JACOB"))
}
}
property("No prefixing annotation on defs should work") {
class Test extends MultiIOModule {
def builder(): UInt = noPrefix {
val a = Wire(UInt(3.W))
val b = Wire(UInt(3.W))
b
}
{ val noprefix = builder() }
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(top).map(_.instanceName) should be (List("a", "noprefix"))
}
}
property("Prefixing on temps should work") {
class Test extends MultiIOModule {
def builder(): UInt = {
val a = Wire(UInt(3.W))
val b = Wire(UInt(3.W))
a +& (b * a)
}
{ val blah = builder() }
}
aspectTest(() => new Test) {
top: Test =>
Select.ops(top).map(x => (x._1, x._2.instanceName)) should be (List(
("mul", "_blah_T"),
("add", "blah")
))
}
}
property("Prefixing should not leak into child modules") {
class Child extends MultiIOModule {
{
val wire = Wire(UInt())
}
}
class Test extends MultiIOModule {
{
val child = prefix("InTest") {
Module(new Child)
}
}
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(Select.instances(top).head).map(_.instanceName) should be (List("wire"))
}
}
property("Prefixing should not leak into child modules, example 2") {
class Child extends MultiIOModule {
{
val wire = Wire(UInt())
}
}
class Test extends MultiIOModule {
val x = IO(Input(UInt(3.W)))
val y = {
lazy val module = new Child
val child = Module(module)
}
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(Select.instances(top).head).map(_.instanceName) should be (List("wire"))
}
}
property("Instance names should not be added to prefix") {
class Child(tpe: UInt) extends MultiIOModule {
{
val io = IO(Input(tpe))
}
}
class Test extends MultiIOModule {
{
lazy val module = {
val x = UInt(3.W)
new Child(x)
}
val child = Module(module)
}
}
aspectTest(() => new Test) {
top: Test =>
Select.ios(Select.instances(top).head).map(_.instanceName) should be (List("clock", "reset", "io"))
}
}
property("Prefixing should not be caused by nested Iterable[Iterable[Any]]") {
class Test extends MultiIOModule {
{
val iia = {
val wire = Wire(UInt(3.W))
List(List("Blah"))
}
}
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(top).map(_.instanceName) should be (List("wire"))
}
}
property("Prefixing should be caused by nested Iterable[Iterable[Data]]") {
class Test extends MultiIOModule {
{
val iia = {
val wire = Wire(UInt(3.W))
List(List(3.U))
}
}
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(top).map(_.instanceName) should be (List("iia_wire"))
}
}
property("Prefixing should be the prefix during the last call to autoName/suggestName") {
class Test extends MultiIOModule {
{
val wire = {
val x = Wire(UInt(3.W)).suggestName("mywire")
x
}
}
}
aspectTest(() => new Test) {
top: Test =>
Select.wires(top).map(_.instanceName) should be (List("mywire"))
Select.wires(top).map(_.instanceName) shouldNot be (List("wire_mywire"))
}
}
property("Prefixing have intuitive behavior") {
class Test extends MultiIOModule {
{
val wire = {
val x = Wire(UInt(3.W)).suggestName("mywire")
val y = Wire(UInt(3.W)).suggestName("mywire2")
y := x
y
}
}
}
aspectTest(() => new Test) {
top: Test => Select.wires(top).map(_.instanceName) should be (List("wire_mywire", "mywire2"))
}
}
property("Prefixing on connection to subfields work") {
class Test extends MultiIOModule {
{
val wire = Wire(new Bundle {
val x = UInt(3.W)
val y = UInt(3.W)
val vec = Vec(4, UInt(3.W))
})
wire.x := RegNext(3.U)
wire.y := RegNext(3.U)
wire.vec(0) := RegNext(3.U)
wire.vec(wire.x) := RegNext(3.U)
}
}
aspectTest(() => new Test) {
top: Test =>
Select.registers(top).map(_.instanceName) should be (List(
"wire_x_REG",
"wire_y_REG",
"wire_vec_0_REG",
"wire_vec_REG"
))
}
}
property("Prefixing on connection to IOs should work") {
class Child extends MultiIOModule {
val in = IO(Input(UInt(3.W)))
val out = IO(Output(UInt(3.W)))
out := RegNext(in)
}
class Test extends MultiIOModule {
{
val child = Module(new Child)
child.in := RegNext(3.U)
}
}
aspectTest(() => new Test) {
top: Test =>
Select.registers(top).map(_.instanceName) should be (List(
"child_in_REG"
))
Select.registers(Select.instances(top).head).map(_.instanceName) should be (List(
"out_REG"
))
}
}
property("Prefixing on bulk connects should work") {
class Child extends MultiIOModule {
val in = IO(Input(UInt(3.W)))
val out = IO(Output(UInt(3.W)))
out := RegNext(in)
}
class Test extends MultiIOModule {
{
val child = Module(new Child)
child.in <> RegNext(3.U)
}
}
aspectTest(() => new Test) {
top: Test =>
Select.registers(top).map(_.instanceName) should be (List(
"child_in_REG"
))
Select.registers(Select.instances(top).head).map(_.instanceName) should be (List(
"out_REG"
))
}
}
}
|
