From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 18 Apr 2019 09:33:06 +0000 (+0100)
Subject: add in name into plru to help debugging
X-Git-Tag: div_pipeline~2225
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=08e86534ecbb39254d4cf2f4537d4dd025ccd3e1;p=soc.git

add in name into plru to help debugging
---

diff --git a/TLB/src/ariane/TreePLRU.cpp b/TLB/src/ariane/TreePLRU.cpp
index 6d12f5ba..2f6aeea5 100644
--- a/TLB/src/ariane/TreePLRU.cpp
+++ b/TLB/src/ariane/TreePLRU.cpp
@@ -3,7 +3,7 @@
 #include <cmath>
 
 
-#define NWAY 8
+#define NWAY 4
 #define NLINE 256
 #define HIT 0
 #define MISS 1
@@ -208,4 +208,4 @@ int main()
     multiply(m1, m2, res);
     cout << cache << endl;
     return 0;
-}
\ No newline at end of file
+}
diff --git a/TLB/src/ariane/tlb.py b/TLB/src/ariane/tlb.py
index 6d419c94..7d664cad 100644
--- a/TLB/src/ariane/tlb.py
+++ b/TLB/src/ariane/tlb.py
@@ -231,8 +231,10 @@ class PLRU:
                 # lvl0 <=> MSB, lvl1 <=> MSB-1, ...
                 shift = LOG_TLB - lvl;
                 new_idx = (i >> (shift-1)) & 1;
-                plru = Signal(reset_less=True)
-                m.d.comb += plru.eq(plru_tree[idx_base + (i>>shift)])
+                plru_idx = idx_base + (i>>shift)
+                plru = Signal(reset_less=True,
+                              name="plru-%d-%d-%d" % (i, lvl, plru_idx))
+                m.d.comb += plru.eq(plru_tree[plru_idx])
                 # en &= plru_tree_q[idx_base + (i>>shift)] == new_idx;
                 if new_idx:
                     en.append(~plru) # yes inverted (using bool())