Luna/kernel/src/boot/Init.cpp

#include "boot/Init.h"
#include "Log.h"
#include "arch/CPU.h"
#include "boot/bootboot.h"
#include "fs/InitRD.h"
#include "memory/MemoryManager.h"
#include "video/Framebuffer.h"
#include <luna/CString.h>
#include <luna/Result.h>

extern const BOOTBOOT bootboot;

void Init::check_magic()
{
    if (memcmp(bootboot.magic, BOOTBOOT_MAGIC, 4))
    {
        kerrorln("ERROR: Invalid magic value from bootloader");
        CPU::efficient_halt();
    }

    // Stop all secondary processors for now
    if (CPU::get_processor_id() != bootboot.bspid) { CPU::efficient_halt(); }
}

void Init::early_init()
{
    CPU::disable_interrupts();

    Framebuffer::init();
    set_text_console_initialized();

#ifdef DEBUG_MODE
    constexpr bool should_log_console = true;
#else
    constexpr bool should_log_console = false;
#endif
    setup_log(log_debug_enabled(), log_serial_enabled(), should_log_console);

    CPU::platform_init();

    MemoryManager::init();
    InitRD::initialize();

    mark_critical(MemoryManager::protect_kernel_sections(),
                  "Could not remap kernel data sections as non-executable / read-only");
}