Multiboot.hpp

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//
// Created by Pawel Reich on 2/15/25.
//
 
#pragma once
#include <stdint-gcc.h>
#include "../Bootloader.hpp"
 
#include "multiboot.h"
 
 
class Multiboot : public Bootloader {
public:
    void init(uint32_t magic, void* info_ptr) override;
    const char* get_cmdline() const override;
    const char* get_bootloader_name() const override;
    uint64_t get_heap_base_address() const override;
    uint64_t get_heap_size() const override;
    bool is_multiboot() const;
 
    struct multiboot2_header {
        uint32_t magic;
        uint32_t architecture;
        uint32_t header_length;
        uint32_t checksum;
        multiboot_header_tag_framebuffer framebuffer_tag;
    } __attribute__((packed));
 
 
    uint64_t m_base_address = 0;
    uint64_t m_len = 0;
 
private:
    __attribute__((section(".multiboot2"), used)) static const multiboot2_header m_mb2_header;
 
    char* m_cmdline;
    char* m_bootloader_name;
    bool m_is_multiboot;
 
    void parse_tags(multiboot_tag* tag);
 
};