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;; -----------------------------------------------------------------------
;;
;; Copyright 2007-2008 H. Peter Anvin - All Rights Reserved
;;
;; 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, Inc., 53 Temple Place Ste 330,
;; Boston MA 02111-1307, USA; either version 2 of the License, or
;; (at your option) any later version; incorporated herein by reference.
;;
;; -----------------------------------------------------------------------
;;
;; cleanup.inc
;;
;; Some final tidying before jumping to a kernel or bootsector
;;
section .text
;
; cleanup_hardware:
;
; Shut down anything transient. *No segment assumptions*.
; Can trash any registers.
;
cleanup_hardware:
pushad
;
; Linux wants the floppy motor shut off before starting the kernel,
; at least bootsect.S seems to imply so. If we don't load the floppy
; driver, this is *definitely* so!
;
xor ax,ax
xor dx,dx
int 13h
%if 0 ; This bug report has not been substantiated!
; Vmware crashes if we scroll in the decompressor! Try to detect vmware
; and if it is Vmware, clear the screen...
mov eax,'VMXh'
xor ebx, ebx
mov ecx, 10 ; Get version
mov dx, 'VX'
in eax, dx
cmp ebx, 'VMXh'
jne .no_vmware
mov ax,0x0003 ; Set mode (clear screen/home cursor)
int 10h
.no_vmware:
%endif
popad
ret
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