2016-07-14 21:18:11 +02:00
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package groundtest.unittests
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import Chisel._
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import junctions._
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import junctions.NastiConstants._
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import uncore.tilelink._
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import uncore.converters._
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import uncore.constants._
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import uncore.devices._
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import groundtest.common._
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2016-07-14 21:28:20 +02:00
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import cde.{Field, Parameters}
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2016-07-14 21:18:11 +02:00
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abstract class UnitTest extends Module {
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val io = new Bundle {
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val finished = Bool(OUTPUT)
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val start = Bool(INPUT)
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}
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2016-07-16 00:40:11 +02:00
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when (io.start) {
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printf(s"Started UnitTest ${this.getClass.getName}\n")
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}
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2016-07-14 21:18:11 +02:00
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}
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2016-07-14 21:28:20 +02:00
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case object UnitTests extends Field[Parameters => Seq[UnitTest]]
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2016-07-14 21:18:11 +02:00
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class UnitTestSuite(implicit p: Parameters) extends GroundTest()(p) {
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2016-07-14 21:28:20 +02:00
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val tests = p(UnitTests)(p)
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2016-07-14 21:18:11 +02:00
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2016-07-16 00:40:11 +02:00
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val s_idle :: s_start :: s_wait :: s_done :: Nil = Enum(Bits(), 4)
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2016-07-14 21:18:11 +02:00
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val state = Reg(init = s_idle)
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2016-07-16 00:40:11 +02:00
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val test_idx = Reg(init = UInt(0, log2Up(tests.size)))
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val test_finished = Vec(tests.map(_.io.finished))
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2016-07-14 21:18:11 +02:00
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when (state === s_idle) { state := s_start }
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when (state === s_start) { state := s_wait }
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2016-07-16 00:40:11 +02:00
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when (state === s_wait && test_finished(test_idx)) {
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state := s_start
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test_idx := test_idx + UInt(1)
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state := Mux(test_idx === UInt(tests.size - 1), s_done, s_start)
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}
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2016-07-14 21:18:11 +02:00
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io.status.timeout.valid := Bool(false)
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tests.zipWithIndex.foreach { case (mod, i) =>
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2016-07-16 00:40:11 +02:00
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mod.io.start := (state === s_start) && test_idx === UInt(i)
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2016-07-14 21:18:11 +02:00
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val timeout = Timer(1000, mod.io.start, mod.io.finished)
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2016-07-16 00:40:11 +02:00
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assert(!timeout, s"UnitTest ${mod.getClass.getName} timed out")
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2016-07-14 21:18:11 +02:00
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when (timeout) {
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io.status.timeout.valid := Bool(true)
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io.status.timeout.bits := UInt(i)
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}
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}
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2016-07-16 00:40:11 +02:00
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io.status.finished := (state === s_done)
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2016-07-14 21:18:11 +02:00
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io.status.error.valid := Bool(false)
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2016-07-16 00:40:11 +02:00
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2016-07-14 21:18:11 +02:00
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}
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