From 937289cdc8606003b575194f2af2a50923e90e31 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Tue, 9 Jan 2007 02:29:18 +0000 Subject: [PATCH] Provide storage for an undi_device structure representing the preloaded UNDI stack. --- src/arch/i386/drivers/net/undipreload.c | 35 +++++++++++++++++++++++++ src/arch/i386/include/undipreload.h | 16 +++++++++++ 2 files changed, 51 insertions(+) create mode 100644 src/arch/i386/drivers/net/undipreload.c create mode 100644 src/arch/i386/include/undipreload.h diff --git a/src/arch/i386/drivers/net/undipreload.c b/src/arch/i386/drivers/net/undipreload.c new file mode 100644 index 00000000..e29d150a --- /dev/null +++ b/src/arch/i386/drivers/net/undipreload.c @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2007 Michael Brown . + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include + +/** @file + * + * Preloaded UNDI stack + * + */ + +/** + * Preloaded UNDI device + * + * This is the UNDI device that was present when Etherboot started + * execution (i.e. when loading a .kpxe image). The first driver to + * claim this device must zero out this data structure. + */ +struct undi_device __data16 ( preloaded_undi ); diff --git a/src/arch/i386/include/undipreload.h b/src/arch/i386/include/undipreload.h new file mode 100644 index 00000000..d9bc8cb9 --- /dev/null +++ b/src/arch/i386/include/undipreload.h @@ -0,0 +1,16 @@ +#ifndef _UNDIPRELOAD_H +#define _UNDIPRELOAD_H + +/** @file + * + * Preloaded UNDI stack + * + */ + +#include +#include + +extern struct undi_device __data16 ( preloaded_undi ); +#define preloaded_undi __use_data16 ( preloaded_undi ) + +#endif /* _UNDIPRELOAD_H */