iPXE
pxe_loader.c
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1 /*
2  * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 #include <ipxe/init.h>
27 #include "pxe.h"
28 #include "pxe_call.h"
29 
30 /** @file
31  *
32  * PXE UNDI loader
33  *
34  */
35 
36 /* PXENV_UNDI_LOADER
37  *
38  */
40 
41  /* Perform one-time initialisation (e.g. heap) */
42  initialise();
43 
44  DBG ( "[PXENV_UNDI_LOADER to CS %04x DS %04x]",
45  undi_loader->UNDI_CS, undi_loader->UNDI_DS );
46 
47  /* Fill in UNDI loader structure */
48  undi_loader->PXEptr.segment = rm_cs;
49  undi_loader->PXEptr.offset = __from_text16 ( &ppxe );
50  undi_loader->PXENVptr.segment = rm_cs;
51  undi_loader->PXENVptr.offset = __from_text16 ( &pxenv );
52 
54  return PXENV_EXIT_SUCCESS;
55 }
PXENV_EXIT_t undi_loader(struct s_UNDI_LOADER *undi_loader)
Definition: pxe_loader.c:39
#define ppxe
Definition: pxe_call.h:28
#define __from_text16(pointer)
Definition: libkir.h:23
PXE API entry point.
void initialise(void)
Initialise iPXE.
Definition: init.c:52
UINT16_t PXENV_EXIT_t
A PXE exit code.
Definition: pxe_types.h:44
#define PXENV_EXIT_SUCCESS
No error occurred.
Definition: pxe_types.h:45
Parameter block for undi_loader()
Definition: pxe_api.h:1729
#define rm_cs
Definition: libkir.h:38
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
#define PXENV_STATUS_SUCCESS
Definition: pxe_error.h:19
#define DBG(...)
Print a debugging message.
Definition: compiler.h:498
#define pxenv
Definition: pxe_call.h:32