#include "startup.h"

#include "../arch/acpi.h"
#include "../arch/apic.h"
#include "../arch/core.h"
#include "../arch/idt.h"
#include "../arch/pic.h"
#include "../compiler/libc.h"
#include "../debug/output.h"
#include "../interrupt/handlers.h"

extern "C" [[noreturn]] void kernel_init() {
	// Setup and load Interrupt Description Table (IDT)
	initInterruptHandlers();

	// Initialize PICs
	PIC::initialize();

    // Call global constructors
	CSU::initializer();

    //Select 5th Segment in GDT. 5<<3 == 0x28
    asm volatile ("mov $0x28, %ax");
    asm("ltr %ax");

	// Initialize ACPI
	if (!ACPI::init()) {
		DBG_VERBOSE << "No ACPI!";
		Core::die();
	}
	// Initialize APIC (using ACPI)
	if (!APIC::init()) {
		DBG_VERBOSE << "APIC Initialization failed";
		Core::die();
	}

	// Initialize the Bootstrap Processor
	Core::init();

	// Go to main function
	main();

	// Exit CPU
	DBG_VERBOSE << "CPU core " << Core::getID() << " (BSP) shutdown." << endl;
	Core::exit();
	// Call global destructors
	CSU::finalizer();

	// wait forever
	while (true) {
		Core::die();
	}
}