#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include <nrvn.h>
#include <vga.h>
#include <idt.h>
#include <pic.h>
#include <acpi.h>
#include <ps2.h>
#include <multiboot.h>
#include <mem.h>
#include <memory.h>

/* Check if the compiler thinks you are targeting the wrong operating system. */
#if defined(__linux__)
#	error "You are not using a cross-compiler, you will most certainly run into trouble"
#endif

/* This tutorial will only work for the 32-bit ix86 targets. */
#if !defined(__x86_64__)
#	error "This tutorial needs to be compiled with a ix86-elf compiler"
#endif

void kernel_main(void) {
	vga_init();
	vga_puts("hello world\n");
	vga_puts("welcome to nirvanna\n\n");

	vga_puts("initializing interrupt tables...");
	idt_init();
	vga_puts("interrupt tables initialized\n");


	vga_puts("initializing the pic...");
	pic_init();
	vga_puts("pic initialized\n");

	vga_puts("initializing memory pages... ");
	if (paging_init()) {
		vga_puts("memory pages allocated\n");
	} else {
		vga_puts("failed to allocate memory pages\n");
		asm volatile ("cli");
		asm volatile ("hlt");
	}

	vga_puts("initializing ps/2...\n");
	if (ps2_init(NULL))
		vga_puts("ps/2 initialized.\n");
	else
		vga_puts("ps/2 initialization failed.\n");

	vga_puts("initializing pci...\n");
	if (pci_init())
		vga_puts("pci initialized.\n");
	else
		vga_puts("pci initialization failed.\n");
	while (1);
}