From 13bb78203cac7d3a582da55e004c84104ff214dd Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Thu, 21 Jan 2021 21:48:58 +0100
Subject: mmio: Add mmio_ptr template.

---
 mmio/mmio.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 mmio/mmio.h

(limited to 'mmio/mmio.h')

diff --git a/mmio/mmio.h b/mmio/mmio.h
new file mode 100644
index 0000000..a756c8f
--- /dev/null
+++ b/mmio/mmio.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <cstdint>
+
+template <typename T>
+class mmio_ptr {
+    private:
+        const uintptr_t p;
+
+    protected:
+        T* ptr() const {
+            return reinterpret_cast<T*>(p);
+        }
+
+    public:
+        constexpr mmio_ptr(uintptr_t p) : p(p) {}
+
+        T* operator->() const {
+            return ptr();
+        }
+
+        T& operator*() const {
+            return *ptr();
+        }
+
+        T& operator[](std::size_t idx) const {
+            return ptr()[idx];
+        }
+};
-- 
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