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// 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
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