core/cleanup.c

   1 /* -----------------------------------------------------------------------
   2  *
   3  *   Copyright 2007-2008 H. Peter Anvin - All Rights Reserved
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   8  *   Boston MA 02111-1307, USA; either version 2 of the License, or
   9  *   (at your option) any later version; incorporated herein by reference.
  10  *
  11  * -----------------------------------------------------------------------
  12  */
  13 #include <com32.h>
  14 #include <core.h>
  15
  16 extern void timer_cleanup(void);
  17 extern void comboot_cleanup_api(void);
  18
  19 /*
  20  * cleanup.c
  21  *
  22  * Some final tidying before jumping to a kernel or bootsector
  23  */
  24
  25 /*
  26  * cleanup_hardware:
  27  *
  28  *      Shut down anything transient.
  29  */
  30 __export void cleanup_hardware(void)
  31 {
  32         /*
  33          * TODO
  34          *
  35          * Linux wants the floppy motor shut off before starting the
  36          * kernel, at least bootsect.S seems to imply so.  If we don't
  37          * load the floppy driver, this is *definitely* so!
  38          */
  39         __intcall(0x13, &zero_regs, NULL);
  40
  41         call16(comboot_cleanup_api, &zero_regs, NULL);
  42         call16(timer_cleanup, &zero_regs, NULL);
  43
  44         /* If we enabled serial port interrupts, clean them up now */
  45         sirq_cleanup();
  46 }