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#ifndef AVALON_HPP
#define AVALON_HPP
#include <cstdint>
#include <vector>
namespace taller::avalon
{
class slave
{
public:
virtual std::uint32_t base_address() noexcept = 0;
virtual std::uint32_t address_mask() noexcept = 0;
virtual bool read(std::uint32_t addr, std::uint32_t &data) = 0;
virtual bool write(std::uint32_t addr, std::uint32_t data, unsigned byte_enable) = 0;
};
template<class Platform>
class interconnect
{
public:
interconnect(Platform &plat) noexcept;
void tick(bool clk);
void attach(slave &dev);
private:
struct binding
{
std::uint32_t base;
std::uint32_t mask;
slave &dev;
};
Platform &plat;
slave* active = nullptr;
std::vector<binding> devices;
std::uint32_t avl_address = 0;
std::uint32_t avl_writedata = 0;
unsigned avl_byteenable = 0;
bool avl_read = false;
bool avl_write = false;
};
}
#include "avalon.impl.hpp"
#endif
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