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// See LICENSE for license details.
package chiselTests
import org.scalatest._
import chisel3._
import chisel3.core.Binding.BindingException
import chisel3.core.ExplicitCompileOptions
import chisel3.testers.BasicTester
import chisel3.core.CompileOptions
class CompileOptionsSpec extends ChiselFlatSpec {
abstract class StrictModule extends Module()(chisel3.core.ExplicitCompileOptions.Strict)
abstract class NotStrictModule extends Module()(chisel3.core.ExplicitCompileOptions.NotStrict)
// Generate a set of options that do not have requireIOWrap enabled, in order to
// ensure its definition comes from the implicit options passed to the Module constructor.
object StrictWithoutIOWrap extends CompileOptions {
val connectFieldsMustMatch = true
val declaredTypeMustBeUnbound = true
val requireIOWrap = false
val dontTryConnectionsSwapped = true
val dontAssumeDirectionality = true
val deprecateOldDirectionMethods = true
val checkSynthesizable = true
}
class SmallBundle extends Bundle {
val f1 = UInt(4.W)
val f2 = UInt(5.W)
override def cloneType: this.type = (new SmallBundle).asInstanceOf[this.type]
}
class BigBundle extends SmallBundle {
val f3 = UInt(6.W)
override def cloneType: this.type = (new BigBundle).asInstanceOf[this.type]
}
"A Module with missing bundle fields when compiled with implicit Strict.CompileOption " should "throw an exception" in {
a [ChiselException] should be thrownBy {
import chisel3.core.ExplicitCompileOptions.Strict
class ConnectFieldMismatchModule extends Module {
val io = IO(new Bundle {
val in = Input(new SmallBundle)
val out = Output(new BigBundle)
})
io.out := io.in
}
elaborate { new ConnectFieldMismatchModule() }
}
}
"A Module with missing bundle fields when compiled with implicit NotStrict.CompileOption " should "not throw an exception" in {
import chisel3.core.ExplicitCompileOptions.NotStrict
class ConnectFieldMismatchModule extends Module {
val io = IO(new Bundle {
val in = Input(new SmallBundle)
val out = Output(new BigBundle)
})
io.out := io.in
}
elaborate { new ConnectFieldMismatchModule() }
}
"A Module in which a Reg is created with a bound type when compiled with implicit Strict.CompileOption " should "throw an exception" in {
a [BindingException] should be thrownBy {
import chisel3.core.ExplicitCompileOptions.Strict
class CreateRegFromBoundTypeModule extends Module {
val io = IO(new Bundle {
val in = Input(new SmallBundle)
val out = Output(new BigBundle)
})
val badReg = Reg(7.U(4.W))
}
elaborate { new CreateRegFromBoundTypeModule() }
}
}
"A Module in which a Reg is created with a bound type when compiled with implicit NotStrict.CompileOption " should "not throw an exception" in {
import chisel3.core.ExplicitCompileOptions.NotStrict
class CreateRegFromBoundTypeModule extends Module {
val io = IO(new Bundle {
val in = Input(new SmallBundle)
val out = Output(new BigBundle)
})
val badReg = Reg(7.U(4.W))
}
elaborate { new CreateRegFromBoundTypeModule() }
}
"A Module with wrapped IO when compiled with implicit Strict.CompileOption " should "not throw an exception" in {
import chisel3.core.ExplicitCompileOptions.Strict
class RequireIOWrapModule extends Module {
val io = IO(new Bundle {
val in = UInt(32.W).asInput
val out = Bool().asOutput
})
io.out := io.in(1)
}
elaborate { new RequireIOWrapModule() }
}
"A Module with unwrapped IO when compiled with implicit NotStrict.CompileOption " should "not throw an exception" in {
import chisel3.core.ExplicitCompileOptions.NotStrict
class RequireIOWrapModule extends Module {
val io = new Bundle {
val in = UInt(32.W).asInput
val out = Bool().asOutput
}
io.out := io.in(1)
}
elaborate { new RequireIOWrapModule() }
}
"A Module with unwrapped IO when compiled with implicit Strict.CompileOption " should "throw an exception" in {
a [BindingException] should be thrownBy {
import chisel3.core.ExplicitCompileOptions.Strict
class RequireIOWrapModule extends Module {
val io = new Bundle {
val in = UInt(32.W).asInput
val out = Bool().asOutput
}
io.out := io.in(1)
}
elaborate {
new RequireIOWrapModule()
}
}
}
"A Module connecting output as source to input as sink when compiled with implicit Strict.CompileOption " should "throw an exception" in {
a [ChiselException] should be thrownBy {
import chisel3.core.ExplicitCompileOptions.Strict
class SimpleModule extends Module {
val io = IO(new Bundle {
val in = Input(UInt(3.W))
val out = Output(UInt(4.W))
})
}
class SwappedConnectionModule extends SimpleModule {
val child = Module(new SimpleModule)
io.in := child.io.out
}
elaborate { new SwappedConnectionModule() }
}
}
"A Module connecting output as source to input as sink when compiled with implicit NotStrict.CompileOption " should "not throw an exception" in {
import chisel3.core.ExplicitCompileOptions.NotStrict
class SimpleModule extends Module {
val io = IO(new Bundle {
val in = Input(UInt(3.W))
val out = Output(UInt(4.W))
})
}
class SwappedConnectionModule extends SimpleModule {
val child = Module(new SimpleModule)
io.in := child.io.out
}
elaborate { new SwappedConnectionModule() }
}
"A Module with directionless connections when compiled with implicit Strict.CompileOption " should "throw an exception" in {
a [ChiselException] should be thrownBy {
// Verify we can suppress the inclusion of default compileOptions
import Chisel.{defaultCompileOptions => _, _}
import chisel3.core.ExplicitCompileOptions.Strict
class SimpleModule extends Module {
val io = IO(new Bundle {
val in = Input(UInt(3.W))
val out = Output(UInt(4.W))
})
val noDir = Wire(UInt(3.W))
}
class DirectionLessConnectionModule extends SimpleModule {
val a = 0.U(3.W)
val b = Wire(UInt(3.W))
val child = Module(new SimpleModule)
b := child.noDir
}
elaborate { new DirectionLessConnectionModule() }
}
}
"A Module with directionless connections when compiled with implicit NotStrict.CompileOption " should "not throw an exception" in {
import chisel3.core.ExplicitCompileOptions.NotStrict
class SimpleModule extends Module {
val io = IO(new Bundle {
val in = Input(UInt(3.W))
val out = Output(UInt(4.W))
})
val noDir = Wire(UInt(3.W))
}
class DirectionLessConnectionModule extends SimpleModule {
val a = 0.U(3.W)
val b = Wire(UInt(3.W))
val child = Module(new SimpleModule)
b := child.noDir
}
elaborate { new DirectionLessConnectionModule() }
}
"A Module with wrapped IO when compiled with explicit Strict.CompileOption " should "not throw an exception" in {
implicit val strictWithoutIOWrap = StrictWithoutIOWrap
class RequireIOWrapModule extends StrictModule {
val io = IO(new Bundle {
val in = UInt(32.W).asInput
val out = Bool().asOutput
})
io.out := io.in(1)
}
elaborate {
new RequireIOWrapModule()
}
}
"A Module with unwrapped IO when compiled with explicit NotStrict.CompileOption " should "not throw an exception" in {
implicit val strictWithoutIOWrap = StrictWithoutIOWrap
class RequireIOWrapModule extends NotStrictModule {
val io = new Bundle {
val in = UInt(32.W).asInput
val out = Bool().asOutput
}
io.out := io.in(1)
}
elaborate {
new RequireIOWrapModule()
}
}
"A Module with unwrapped IO when compiled with explicit Strict.CompileOption " should "throw an exception" in {
a [BindingException] should be thrownBy {
implicit val strictWithoutIOWrap = StrictWithoutIOWrap
class RequireIOWrapModule extends StrictModule {
val io = new Bundle {
val in = UInt(32.W).asInput
val out = Bool().asOutput
}
io.out := io.in(1)
}
elaborate {
new RequireIOWrapModule()
}
}
}
"A Module with unwrapped IO when compiled with an explicit requireIOWrap false " should "not throw an exception" in {
object StrictNotIOWrap {
implicit object CompileOptions extends CompileOptions {
val connectFieldsMustMatch = true
val declaredTypeMustBeUnbound = true
val requireIOWrap = false
val dontTryConnectionsSwapped = true
val dontAssumeDirectionality = true
val deprecateOldDirectionMethods = false
val checkSynthesizable = true
}
}
class NotIOWrapModule extends Module()(StrictNotIOWrap.CompileOptions) {
val io = new Bundle {
val in = UInt(32.W).asInput
val out = Bool().asOutput
}
}
elaborate {
new NotIOWrapModule()
}
}
}
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