IVGCVSW-7159 Implement simple TOSA Reference Backend skeleton
* Added files based on RefBackend
* Added PreCompiled Workload skeleton
* Increment ABI version of armnnTestUtils for CreateInput which had
been left as pure virtual, added base implementation for it.
* Add IsTosaLayerSupported() for Addition
Change-Id: I4c963adf3f50593d17ecdf21554502a64ad3bd76
diff --git a/src/backends/tosaReference/TosaRefMemoryManager.hpp b/src/backends/tosaReference/TosaRefMemoryManager.hpp
new file mode 100644
index 0000000..05a6ec0
--- /dev/null
+++ b/src/backends/tosaReference/TosaRefMemoryManager.hpp
@@ -0,0 +1,59 @@
+//
+// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <armnn/backends/IMemoryManager.hpp>
+
+#include <forward_list>
+#include <vector>
+
+namespace armnn
+{
+
+// An implementation of IMemoryManager to be used with RefTensorHandle
+class TosaRefMemoryManager : public IMemoryManager
+{
+public:
+ TosaRefMemoryManager();
+ virtual ~TosaRefMemoryManager();
+
+ class Pool;
+
+ Pool* Manage(unsigned int numBytes);
+
+ void Allocate(Pool *pool);
+
+ void* GetPointer(Pool *pool);
+
+ void Acquire() override;
+ void Release() override;
+
+ class Pool
+ {
+ public:
+ Pool(unsigned int numBytes);
+ ~Pool();
+
+ void Acquire();
+ void Release();
+
+ void* GetPointer();
+
+ void Reserve(unsigned int numBytes);
+
+ private:
+ unsigned int m_Size;
+ void* m_Pointer;
+ };
+
+private:
+ TosaRefMemoryManager(const TosaRefMemoryManager&) = delete; // Noncopyable
+ TosaRefMemoryManager& operator=(const TosaRefMemoryManager&) = delete; // Noncopyable
+
+ std::forward_list<Pool> m_Pools;
+ std::vector<Pool*> m_FreePools;
+};
+
+}