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
26 FILE_LICENCE ( GPL2_OR_LATER );
33 extern segoff_t __data16 ( pxe_exit_hook );
34 #define pxe_exit_hook __use_data16 ( pxe_exit_hook )
39 * @v file_exit_hook Pointer to a struct
40 * s_PXENV_FILE_EXIT_HOOK
41 * @v s_PXENV_FILE_EXIT_HOOK::Hook SEG16:OFF16 to jump to
42 * @ret #PXENV_EXIT_SUCCESS Successfully set hook
43 * @ret #PXENV_EXIT_FAILURE We're not an NBP build
44 * @ret s_PXENV_FILE_EXIT_HOOK::Status PXE status code
48 pxenv_file_exit_hook ( struct s_PXENV_FILE_EXIT_HOOK *file_exit_hook ) {
49 DBG ( "PXENV_FILE_EXIT_HOOK" );
51 /* We'll jump to the specified SEG16:OFF16 during exit */
52 pxe_exit_hook.segment = file_exit_hook->Hook.segment;
53 pxe_exit_hook.offset = file_exit_hook->Hook.offset;
54 file_exit_hook->Status = PXENV_STATUS_SUCCESS;
55 return PXENV_EXIT_SUCCESS;
59 struct pxe_api_call pxe_file_api_exit_hook __pxe_api_call =
60 PXE_API_CALL ( PXENV_FILE_EXIT_HOOK, pxenv_file_exit_hook,
61 struct s_PXENV_FILE_EXIT_HOOK );