From 1bb509897c77b7a8931f10b84dc1de98668c04bd Mon Sep 17 00:00:00 2001
From: David Shah <dave@ds0.me>
Date: Tue, 13 Oct 2020 10:07:28 +0100
Subject: nexus: More pin styles and FASM pinmux gen

Signed-off-by: David Shah <dave@ds0.me>
---
 common/util.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'common')

diff --git a/common/util.h b/common/util.h
index d82e984a..07ebac75 100644
--- a/common/util.h
+++ b/common/util.h
@@ -121,6 +121,15 @@ template <typename K, typename V> std::map<K, V &> sorted_ref(std::unordered_map
     return retVal;
 };
 
+// Wrap an unordered_map, and allow it to be iterated over sorted by key
+template <typename K, typename V> std::map<K, const V &> sorted_cref(const std::unordered_map<K, V> &orig)
+{
+    std::map<K, const V &> retVal;
+    for (auto &item : orig)
+        retVal.emplace(std::make_pair(item.first, std::ref(item.second)));
+    return retVal;
+};
+
 // Wrap an unordered_set, and allow it to be iterated over sorted by key
 template <typename K> std::set<K> sorted(const std::unordered_set<K> &orig)
 {
-- 
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