.. _program_listing_file_cmem_buffer.hpp:

Program Listing for File cmem_buffer.hpp
========================================

|exhale_lsh| :ref:`Return to documentation for file <file_cmem_buffer.hpp>` (``cmem_buffer.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef FELIX_DMA_H_
   #define FELIX_DMA_H_
   
   #include <string>
   
   class DmaBuffer {
       public:
           uint64_t paddr;
           uint64_t vaddr;
           size_t size;
           uint64_t pend;
   
           uint64_t pc_ptr;
           uint64_t emu_fw_ptr;
   
           explicit DmaBuffer(size_t c) : paddr(0), vaddr(0), size(c), pend(0), pc_ptr(0), emu_fw_ptr(0) {};
           virtual ~DmaBuffer() {};
   
   };
   
   class CmemBuffer : public DmaBuffer {
       public:
           int handle;
           bool free_previous_cmem;
   
           explicit CmemBuffer(size_t size, const std::string& cmem_name, bool free_previous_cmem = false);
           ~CmemBuffer();
   
           CmemBuffer(const CmemBuffer&) = delete;
           CmemBuffer& operator=(CmemBuffer&&) = delete;
   
           static bool cmem_buffer_exists(const std::string& cmem_name);
   };
   
   class VmemBuffer : public DmaBuffer {
       public:
           explicit VmemBuffer(size_t size);
           ~VmemBuffer();
   
           VmemBuffer(const VmemBuffer&) = delete;
           VmemBuffer& operator=(VmemBuffer&&) = delete;
   
       private:
           void* ptr;
   };
   
   #endif /* FELIX_DMA_H_ */