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#ifndef MEM_HPP
#define MEM_HPP
#include <cstdint>
#include <memory>
#include "avalon.hpp"
namespace taller::avalon
{
class mem : public slave
{
public:
mem(std::uint32_t base, std::uint32_t size);
virtual inline std::uint32_t base_address() noexcept final override
{
return base;
}
virtual inline std::uint32_t address_mask() noexcept final override
{
return mask;
}
virtual bool read(std::uint32_t addr, std::uint32_t &data) final override;
virtual bool write
(
std::uint32_t addr, std::uint32_t data, unsigned byte_enable = 0b1111
) final override;
template<typename F>
void load(F loader, std::size_t addr = 0);
private:
std::unique_ptr<std::uint32_t[]> block;
std::uint32_t base;
std::uint32_t mask;
};
template<typename F>
void mem::load(F loader, std::size_t addr)
{
std::size_t size = mask + 1;
while(addr < size)
{
std::size_t read = loader(&block[base + addr], size - addr);
if(read == 0)
{
break;
}
addr += read;
}
}
}
#endif
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