From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- .../src/arch/i386/interface/pxe/pxe_exit_hook.c | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c (limited to 'qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c') diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c new file mode 100644 index 000000000..9d1896507 --- /dev/null +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c @@ -0,0 +1,61 @@ +/** @file + * + * PXE exit hook + * + */ + +/* + * Copyright (C) 2010 Shao Miller . + * + * 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; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include +#include +#include + +/** PXE exit hook */ +extern segoff_t __data16 ( pxe_exit_hook ); +#define pxe_exit_hook __use_data16 ( pxe_exit_hook ) + +/** + * FILE EXIT HOOK + * + * @v file_exit_hook Pointer to a struct + * s_PXENV_FILE_EXIT_HOOK + * @v s_PXENV_FILE_EXIT_HOOK::Hook SEG16:OFF16 to jump to + * @ret #PXENV_EXIT_SUCCESS Successfully set hook + * @ret #PXENV_EXIT_FAILURE We're not an NBP build + * @ret s_PXENV_FILE_EXIT_HOOK::Status PXE status code + * + */ +static PXENV_EXIT_t +pxenv_file_exit_hook ( struct s_PXENV_FILE_EXIT_HOOK *file_exit_hook ) { + DBG ( "PXENV_FILE_EXIT_HOOK" ); + + /* We'll jump to the specified SEG16:OFF16 during exit */ + pxe_exit_hook.segment = file_exit_hook->Hook.segment; + pxe_exit_hook.offset = file_exit_hook->Hook.offset; + file_exit_hook->Status = PXENV_STATUS_SUCCESS; + return PXENV_EXIT_SUCCESS; +} + +/** PXE file API */ +struct pxe_api_call pxe_file_api_exit_hook __pxe_api_call = + PXE_API_CALL ( PXENV_FILE_EXIT_HOOK, pxenv_file_exit_hook, + struct s_PXENV_FILE_EXIT_HOOK ); -- cgit 1.2.3-korg