Luna/kernel/src/memory/MemoryMap.h

#pragma once
#include "boot/bootboot.h"
#include <luna/Result.h>
#include <luna/Types.h>

struct MemoryMapEntry
{
    u64 ptr;
    u64 size;
    bool free;
};

class MemoryMapIterator
{
  public:
    MemoryMapIterator();

    void rewind();

    Result<MemoryMapEntry> next();

    MemoryMapEntry largest_free();

    MemoryMapEntry highest();

    Result<MemoryMapEntry> at(usize index) const;

    usize entries() const
    {
        return m_mmap_entries;
    }

  private:
    usize m_mmap_entries;
    const MMapEnt* m_base_ent;
    usize m_cur_ent;
};