2 * Copyright (C) 2009 H. Peter Anvin <hpa@zytor.com>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * You can also choose to distribute this program under the terms of
19 * the Unmodified Binary Distribution Licence (as given in the file
20 * COPYING.UBDL), provided that you have satisfied its requirements.
23 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )
29 /****************************************************************************
30 * Set/clear CF on the stack as appropriate, assumes stack is as it should
31 * be immediately before IRET
32 ****************************************************************************
34 .section ".text16", "ax", @progbits
39 setc 8(%bp) /* Set/reset CF; clears PF, AF, ZF, SF */
42 .size patch_cf, . - patch_cf