Merge pull request #1 from ucb-bar/packagedir

Packagedir

1 files changed, 31 insertions, 0 deletions

diff --git a/src/test/scala/ChiselTests/Tbl.scala b/src/test/scala/ChiselTests/Tbl.scala
new file mode 100644
index 00000000..390f5882
--- /dev/null
+++ b/src/test/scala/ChiselTests/Tbl.scala
@@ -0,0 +1,31 @@
+package ChiselTests
+import Chisel._
+
+class Tbl extends Module {
+  val io = new Bundle {
+    val  i  = Bits(INPUT,  16)
+    val we  = Bool(INPUT)
+    val  d  = Bits(INPUT,  16)
+    val  o  = Bits(OUTPUT, 16)
+  }
+  val m = Mem(Bits(width = 10), 256)
+  io.o := Bits(0)
+  when (io.we) { m(io.i) := io.d(9, 0) }
+  .otherwise   { io.o := m(io.i) }
+}
+
+class TblTester(c: Tbl) extends Tester(c) {
+  val m = Array.fill(1 << 16){ 0 }
+  for (t <- 0 until 16) {
+    val i  = rnd.nextInt(1 << 16)
+    val d  = rnd.nextInt(1 << 16)
+    val we = rnd.nextInt(2)
+    poke(c.io.i,   i)
+    poke(c.io.we, we)
+    poke(c.io.d,   d)
+    step(1)
+    expect(c.io.o, if (we == 1) 0 else m(i))
+    if (we == 1)
+      m(i) = d
+  }
+}