8 * Copyright (C) 2010 Shao Miller <shao.miller@yrdsb.edu.on.ca>.
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of the
13 * License, or any later version.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 * You can also choose to distribute this program under the terms of
26 * the Unmodified Binary Distribution Licence (as given in the file
27 * COPYING.UBDL), provided that you have satisfied its requirements.
30 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
37 extern segoff_t __data16 ( pxe_exit_hook );
38 #define pxe_exit_hook __use_data16 ( pxe_exit_hook )
43 * @v file_exit_hook Pointer to a struct
44 * s_PXENV_FILE_EXIT_HOOK
45 * @v s_PXENV_FILE_EXIT_HOOK::Hook SEG16:OFF16 to jump to
46 * @ret #PXENV_EXIT_SUCCESS Successfully set hook
47 * @ret #PXENV_EXIT_FAILURE We're not an NBP build
48 * @ret s_PXENV_FILE_EXIT_HOOK::Status PXE status code
52 pxenv_file_exit_hook ( struct s_PXENV_FILE_EXIT_HOOK *file_exit_hook ) {
53 DBG ( "PXENV_FILE_EXIT_HOOK" );
55 /* We'll jump to the specified SEG16:OFF16 during exit */
56 pxe_exit_hook.segment = file_exit_hook->Hook.segment;
57 pxe_exit_hook.offset = file_exit_hook->Hook.offset;
58 file_exit_hook->Status = PXENV_STATUS_SUCCESS;
59 return PXENV_EXIT_SUCCESS;
63 struct pxe_api_call pxe_file_api_exit_hook __pxe_api_call =
64 PXE_API_CALL ( PXENV_FILE_EXIT_HOOK, pxenv_file_exit_hook,
65 struct s_PXENV_FILE_EXIT_HOOK );