From 1595c0726079e62313e0df82bdb31120b72bdc39 Mon Sep 17 00:00:00 2001
From: gatecat <gatecat@ds0.me>
Date: Thu, 20 May 2021 14:54:23 +0100
Subject: router2: Add heatmap by routing resource type

Signed-off-by: gatecat <gatecat@ds0.me>
---
 nexus/arch.cc      | 11 +++++++++++
 nexus/arch.h       |  2 ++
 nexus/constids.inc |  2 ++
 3 files changed, 15 insertions(+)

(limited to 'nexus')

diff --git a/nexus/arch.cc b/nexus/arch.cc
index f804cdd9..d5bb9deb 100644
--- a/nexus/arch.cc
+++ b/nexus/arch.cc
@@ -325,6 +325,17 @@ std::vector<std::pair<IdString, std::string>> Arch::getWireAttrs(WireId wire) co
     return ret;
 }
 
+IdString Arch::getWireType(WireId wire) const
+{
+    IdString basename(wire_data(wire).name);
+    const std::string &basename_str = basename.str(this);
+    // Interconnect - derive a type
+    if ((basename_str[0] == 'H' || basename_str[0] == 'V') && basename_str[1] == '0')
+        return id(basename_str.substr(0, 4));
+    else
+        return id_GENERAL;
+}
+
 // -----------------------------------------------------------------------
 
 PipId Arch::getPipByName(IdStringList name) const
diff --git a/nexus/arch.h b/nexus/arch.h
index 55e9becd..b3558413 100644
--- a/nexus/arch.h
+++ b/nexus/arch.h
@@ -1034,6 +1034,7 @@ struct Arch : BaseArch<ArchRanges>
     // -------------------------------------------------
 
     WireId getWireByName(IdStringList name) const override;
+
     IdStringList getWireName(WireId wire) const override
     {
         NPNR_ASSERT(wire != WireId());
@@ -1043,6 +1044,7 @@ struct Arch : BaseArch<ArchRanges>
     }
 
     std::vector<std::pair<IdString, std::string>> getWireAttrs(WireId wire) const override;
+    IdString getWireType(WireId wire) const override;
 
     DelayQuad getWireDelay(WireId wire) const override { return DelayQuad(0); }
 
diff --git a/nexus/constids.inc b/nexus/constids.inc
index 03b144a2..d75b6ea5 100644
--- a/nexus/constids.inc
+++ b/nexus/constids.inc
@@ -503,3 +503,5 @@ X(U2END2)
 X(U3END3)
 X(UED0THEN)
 X(URXCKINE)
+
+X(GENERAL)
-- 
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