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#ifndef DRAM_H
#define DRAM_H
#include "definitions.h"
#include "storage.h"
#include <ostream>
class Dram : public Storage
{
public:
/**
* Constructor.
* @param The number of `lines` contained in memory. The total number of
* words is this number multiplied by LINE_SIZE.
* @param The number of clock cycles each access takes.
* @return A new memory object.
*/
Dram(int lines, int delay);
~Dram();
Response
write_word(Accessor accessor, signed int data, int address) override;
Response read_line(
Accessor accessor,
int address,
std::array<signed int, LINE_SIZE> &data_line) override;
Response write_line(
Accessor accessor,
std::array<signed int, LINE_SIZE> data_line,
int address) override;
Response
read_word(Accessor accessor, int address, signed int &data) override;
private:
/**
* Helper for `write` a word
*/
void do_write(signed int, int);
/**
* Helper for writing a line.
*/
void
do_write_line(std::array<signed int, LINE_SIZE> data_line, int address);
/**
* Helper for `read` a line
*/
void do_read(std::array<signed int, LINE_SIZE> &data_line, int address);
/**
* Helper for reading a word.
*/
void do_read_word(signed int &data, int address);
};
std::ostream &operator<<(std::ostream &os, const Dram &d);
#endif /* DRAM_H_INCLUDED */
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