1 files changed, 32 insertions, 0 deletions
diff --git a/fesvr/htif_hexwriter.h b/fesvr/htif_hexwriter.h
new file mode 100644
index 0000000..7256166
--- /dev/null
+++ b/fesvr/htif_hexwriter.h
@@ -0,0 +1,32 @@
+// See LICENSE for license details.
+
+#ifndef __HTIF_HEXWRITER_H
+#define __HTIF_HEXWRITER_H
+
+#include <map>
+#include <vector>
+#include <stdlib.h>
+#include "memif.h"
+
+class htif_hexwriter_t : public chunked_memif_t
+{
+public:
+  htif_hexwriter_t(size_t b, size_t w, size_t d);
+
+protected:
+  size_t base;
+  size_t width;
+  size_t depth;
+  std::map<addr_t,std::vector<char> > mem;
+
+  void read_chunk(addr_t taddr, size_t len, void* dst);
+  void write_chunk(addr_t taddr, size_t len, const void* src);
+  void clear_chunk(addr_t taddr, size_t len) {}
+
+  size_t chunk_max_size() { return width; }
+  size_t chunk_align() { return width; }
+
+  friend std::ostream& operator<< (std::ostream&, const htif_hexwriter_t&);
+};
+
+#endif // __HTIF_HEXWRITER_H