src/kernel.cc


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

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

/* This tutorial will only work for the 32-bit ix86 targets. */
#if !defined(__i386__)
#error "This tutorial needs to be compiled with a ix86-elf compiler"
#endif

#include <stdlib.h>
#include <types.h>
#include "vga.h"

extern "C" void dump_multiboot(uint32_t mb_magic, uint32_t mb_addr);

extern "C" void kernel_main(uint32_t mb_magic, uint32_t mb_addr) {
  VGA terminal;
  Console::set(&terminal);

  printk("Hello, kernel World!\n");

  dump_multiboot(mb_magic, mb_addr);

  abort();
}