Add fesvr; only globally install fesvr headers/libs

1 files changed, 62 insertions, 0 deletions

diff --git a/fesvr/memif.h b/fesvr/memif.h
new file mode 100644
index 0000000..3854d66
--- /dev/null
+++ b/fesvr/memif.h
@@ -0,0 +1,62 @@
+// See LICENSE for license details.
+
+#ifndef __MEMIF_H
+#define __MEMIF_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef uint64_t reg_t;
+typedef int64_t sreg_t;
+typedef reg_t addr_t;
+
+class chunked_memif_t
+{
+public:
+  virtual void read_chunk(addr_t taddr, size_t len, void* dst) = 0;
+  virtual void write_chunk(addr_t taddr, size_t len, const void* src) = 0;
+  virtual void clear_chunk(addr_t taddr, size_t len) = 0;
+
+  virtual size_t chunk_align() = 0;
+  virtual size_t chunk_max_size() = 0;
+};
+
+class memif_t
+{
+public:
+  memif_t(chunked_memif_t* _cmemif) : cmemif(_cmemif) {}
+  virtual ~memif_t(){}
+
+  // read and write byte arrays
+  virtual void read(addr_t addr, size_t len, void* bytes);
+  virtual void write(addr_t addr, size_t len, const void* bytes);
+
+  // read and write 8-bit words
+  virtual uint8_t read_uint8(addr_t addr);
+  virtual int8_t read_int8(addr_t addr);
+  virtual void write_uint8(addr_t addr, uint8_t val);
+  virtual void write_int8(addr_t addr, int8_t val);
+
+  // read and write 16-bit words
+  virtual uint16_t read_uint16(addr_t addr);
+  virtual int16_t read_int16(addr_t addr);
+  virtual void write_uint16(addr_t addr, uint16_t val);
+  virtual void write_int16(addr_t addr, int16_t val);
+
+  // read and write 32-bit words
+  virtual uint32_t read_uint32(addr_t addr);
+  virtual int32_t read_int32(addr_t addr);
+  virtual void write_uint32(addr_t addr, uint32_t val);
+  virtual void write_int32(addr_t addr, int32_t val);
+
+  // read and write 64-bit words
+  virtual uint64_t read_uint64(addr_t addr);
+  virtual int64_t read_int64(addr_t addr);
+  virtual void write_uint64(addr_t addr, uint64_t val);
+  virtual void write_int64(addr_t addr, int64_t val);
+
+protected:
+  chunked_memif_t* cmemif;
+};
+
+#endif // __MEMIF_H