Luna/kernel/src/init/Init.cpp

#include "init/Init.h"
#include "assert.h"
#include "bootboot.h"
#include "cpu/CPU.h"
#include "interrupts/Interrupts.h"
#include "io/Serial.h"
#include "memory/RangeAllocator.h"
#include "memory/VMM.h"
#include "panic/hang.h"
#include "render/Framebuffer.h"
#include "render/TextRenderer.h"
#include <string.h>

extern BOOTBOOT bootboot;

void Init::check_magic()
{
    ASSERT(strncmp((char*)bootboot.magic, BOOTBOOT_MAGIC, 4) == 0);
}

void Init::disable_smp()
{
    if (CPU::get_initial_apic_id() != bootboot.bspid) { hang(); }
    return;
}

void Init::early_init()
{
    Interrupts::disable();
    asm volatile("cld");

    framebuffer0.init((void*)bootboot.fb_ptr, bootboot.fb_type, bootboot.fb_scanline, bootboot.fb_width,
                      bootboot.fb_height);
    // ASSERT(TextRenderer::try_initialize());

    kernelPMM.init_from_mmap();
    kernelVMM.init();
}