#include "multiboot.h"
 
 /* Check if the bit BIT in FLAGS is set. */
 #define CHECK_FLAG(flags,bit)   ((flags) & (1 << (bit)))
 
 /* Should check if MAGIC is valid */
 void
 main (unsigned long magic, unsigned long addr)
 {
   multiboot_info_t *mbi;
 
   /* Clear the screen. */
   cls ();
 
   /* Set MBI to the address of the Multiboot information structure. */
   mbi = (multiboot_info_t *) addr;

   printf("Multiboot info at 0x%x\n", mbi);

   seg_init();

   page_init();
 
   /* Are mem_* valid? */
   if (CHECK_FLAG (mbi->flags, 0))
     printf ("mem_lower = %uKB, mem_upper = %uKB\n",
             (unsigned) mbi->mem_lower, (unsigned) mbi->mem_upper);

   /* Are mmap_* valid? */
   if (CHECK_FLAG (mbi->flags, 6))
     {
       memory_map_t *mmap;
 
       printf ("mmap_addr = 0x%x, mmap_length = 0x%x\n",
               (unsigned) mbi->mmap_addr, (unsigned) mbi->mmap_length);
       for (mmap = (memory_map_t *) mbi->mmap_addr;
            (unsigned long) mmap < mbi->mmap_addr + mbi->mmap_length;
            mmap = (memory_map_t *) ((unsigned long) mmap
                                     + mmap->size + sizeof (mmap->size)))
         printf (" size = 0x%x, base_addr = 0x%x%x,"
                 " length = 0x%x%x, type = 0x%x\n",
                 (unsigned) mmap->size,
                 (unsigned) mmap->base_addr_high,
                 (unsigned) mmap->base_addr_low,
                 (unsigned) mmap->length_high,
                 (unsigned) mmap->length_low,
                 (unsigned) mmap->type);
     }

   /* if (CHECK_FLAG (mbi->flags, 9)) */
   /*   { */
   /*     printf ("Loaded by %s\n", mbi->loader_name); */
   /*   } */

   /* if (CHECK_FLAG (mbi->flags, 11)) */
   /*   { */
   /*     printf ("Graphics: %x %x\n", mbi->vbe_control_info, mbi->vbe_mode_info); */
   /*   } */
   /* else printf ("No graphics info\n"); */
 }