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author | Michael Brown | 2007-01-09 03:29:18 +0100 |
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committer | Michael Brown | 2007-01-09 03:29:18 +0100 |
commit | 937289cdc8606003b575194f2af2a50923e90e31 (patch) | |
tree | b24abcdf16ee11207b8ce2be4831222cbad4ce03 /src/arch/i386 | |
parent | Call PXENV_UNDI_GET_NIC_TYPE to identify NIC physical device. (diff) | |
download | ipxe-937289cdc8606003b575194f2af2a50923e90e31.tar.gz ipxe-937289cdc8606003b575194f2af2a50923e90e31.tar.xz ipxe-937289cdc8606003b575194f2af2a50923e90e31.zip |
Provide storage for an undi_device structure representing the preloaded
UNDI stack.
Diffstat (limited to 'src/arch/i386')
-rw-r--r-- | src/arch/i386/drivers/net/undipreload.c | 35 | ||||
-rw-r--r-- | src/arch/i386/include/undipreload.h | 16 |
2 files changed, 51 insertions, 0 deletions
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 <mbrown@fensystems.co.uk>. + * + * 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 <realmode.h> +#include <undipreload.h> + +/** @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 <realmode.h> +#include <undi.h> + +extern struct undi_device __data16 ( preloaded_undi ); +#define preloaded_undi __use_data16 ( preloaded_undi ) + +#endif /* _UNDIPRELOAD_H */ |