From df06a3674a748b493baf99675ab568a739cddea1 Mon Sep 17 00:00:00 2001
From: YuanDL <2524247987@qq.com>
Date: Fri, 3 Jan 2025 19:33:03 +0800
Subject: [PATCH] fix(tage): Fix parameter errors in minimalConfig.

---
 src/main/scala/top/Configs.scala             | 2 ++
 src/main/scala/xiangshan/Parameters.scala    | 3 +++
 src/main/scala/xiangshan/frontend/Tage.scala | 2 +-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/scala/top/Configs.scala b/src/main/scala/top/Configs.scala
index c20f9d8c997..1a507a94a2f 100644
--- a/src/main/scala/top/Configs.scala
+++ b/src/main/scala/top/Configs.scala
@@ -144,6 +144,8 @@ class MinimalConfig(n: Int = 1) extends Config(
           Seq((512, 4, 6),
             (512, 9, 6),
             (1024, 19, 6)),
+        // Based on the statistical results of continuous unused counters using spec2k6 coverage 0.3, the threshold is obtained
+        TageTableCloseThresholds = Seq(300, 300, 300),
         SCNRows = 128,
         SCNTables = 2,
         SCHistLens = Seq(0, 5),
diff --git a/src/main/scala/xiangshan/Parameters.scala b/src/main/scala/xiangshan/Parameters.scala
index 586fe9d52b0..9d0837320ca 100644
--- a/src/main/scala/xiangshan/Parameters.scala
+++ b/src/main/scala/xiangshan/Parameters.scala
@@ -109,6 +109,8 @@ case class XSCoreParameters
         ( 4096,   13,    8),
         ( 4096,   32,    8),
         ( 4096,  119,    8)),
+  // Based on the statistical results of continuous unused counters using spec2k6 coverage 0.3, the threshold is obtained
+  TageTableCloseThresholds: Seq[Int] = Seq(300, 300, 300, 300),
   ITTageTableInfos: Seq[Tuple3[Int,Int,Int]] =
   //      Sets  Hist   Tag
     Seq(( 256,    4,    9),
@@ -693,6 +695,7 @@ trait HasXSParameter {
   }
   def numBr = coreParams.numBr
   def TageTableInfos = coreParams.TageTableInfos
+  def TageTableCloseThresholds = coreParams.TageTableCloseThresholds
   def TageBanks = coreParams.numBr
   def SCNRows = coreParams.SCNRows
   def SCCtrBits = coreParams.SCCtrBits
diff --git a/src/main/scala/xiangshan/frontend/Tage.scala b/src/main/scala/xiangshan/frontend/Tage.scala
index d8880321b24..12bbb83c899 100644
--- a/src/main/scala/xiangshan/frontend/Tage.scala
+++ b/src/main/scala/xiangshan/frontend/Tage.scala
@@ -66,7 +66,7 @@ trait TageParams extends HasBPUConst with HasXSParameter {
   def get_lgc_br_idx(unhashed_idx: UInt, br_pidx: UInt) = get_unshuffle_bits(unhashed_idx) ^ br_pidx
 
   // Based on the statistical results of continuous unused counters using spec2k6 coverage 0.3, the threshold is obtained
-  def TABLES_CLOSE_THRESHOLD = Seq(300, 300, 300, 300)
+  def TABLES_CLOSE_THRESHOLD = TageTableCloseThresholds
 }
 
 trait HasFoldedHistory {