/* Copyright (C) 2004  The SOS Team
    Copyright (C) 1999  Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
    USA. 
 */
 
 /* Include definitions of the multiboot standard */
 #include <bootstrap/multiboot.h>
 #include <sos/klibc.h>
 #include <sos/assert.h>
 #include <drivers/x86_videomem.h>
 #include <drivers/bochs.h>
 
 
 
 /* The C entry point of our operating system */
 void sos_main(unsigned long magic, unsigned long addr)
 {
   unsigned i;
 
   /* Grub sends us a structure, called multiboot_info_t with a lot of
      precious informations about the system, see the multiboot
      documentation for more information. */
   multiboot_info_t *mbi;
   mbi = (multiboot_info_t *) addr;
 
   /* Setup bochs and console, and clear the console */
   sos_bochs_setup();
 
   sos_x86_videomem_setup();
   sos_x86_videomem_cls(SOS_X86_VIDEO_BG_BLUE);
 
   /* Greetings from SOS */
   if (magic == MULTIBOOT_BOOTLOADER_MAGIC)
     /* Loaded with Grub */
     sos_x86_videomem_printf(1, 0,
                             SOS_X86_VIDEO_FG_YELLOW | SOS_X86_VIDEO_BG_BLUE,
                             "Welcome From GRUB to %s%c RAM is %dMB (upper mem = 0x%x kB)",
                             "SOS", ',',
                             (unsigned)(mbi->mem_upper >> 10) + 1,
                             (unsigned)mbi->mem_upper);
   else
     /* Not loaded with grub */
     sos_x86_videomem_printf(1, 0,
                             SOS_X86_VIDEO_FG_YELLOW | SOS_X86_VIDEO_BG_BLUE,
                             "Welcome to SOS");
 
   sos_bochs_putstring("Message in a bochs\n");
 
 
   /* An operatig system never ends */
   for (;;)
     continue;
 
   return;
 }