From e80340198a621c40bd5007ad71229b9df8d967c4 Mon Sep 17 00:00:00 2001
From: Howard Mao <zhehao.mao@gmail.com>
Date: Mon, 30 Nov 2015 17:35:33 -0800
Subject: [PATCH] use implicit parameters for ALU

---
 rocket/src/main/scala/dpath_alu.scala | 2 +-
 rocket/src/main/scala/rocket.scala    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/rocket/src/main/scala/dpath_alu.scala b/rocket/src/main/scala/dpath_alu.scala
index 8aab0cfd..e26bff8a 100644
--- a/rocket/src/main/scala/dpath_alu.scala
+++ b/rocket/src/main/scala/dpath_alu.scala
@@ -43,7 +43,7 @@ object ALU
 }
 import ALU._
 
-class ALU(xLen: Int) extends Module {
+class ALU(implicit p: Parameters) extends CoreModule()(p) {
   val io = new Bundle {
     val dw = Bits(INPUT, SZ_DW)
     val fn = Bits(INPUT, SZ_ALU_FN)
diff --git a/rocket/src/main/scala/rocket.scala b/rocket/src/main/scala/rocket.scala
index 570f120b..53824d51 100644
--- a/rocket/src/main/scala/rocket.scala
+++ b/rocket/src/main/scala/rocket.scala
@@ -239,7 +239,7 @@ class Rocket(implicit p: Parameters) extends CoreModule()(p) {
     A2_IMM -> ex_imm,
     A2_FOUR -> SInt(4)))
 
-  val alu = Module(new ALU(xLen))
+  val alu = Module(new ALU)
   alu.io.dw := ex_ctrl.alu_dw
   alu.io.fn := ex_ctrl.alu_fn
   alu.io.in2 := ex_op2.toUInt