iPXE
fdtmgmt.c
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1/*
2 * Copyright (C) 2025 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
24FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25FILE_SECBOOT ( PERMITTED );
26
27#include <ipxe/fdt.h>
28#include <usr/fdtmgmt.h>
29
30/** @file
31 *
32 * Flattened Device Tree management
33 *
34 */
35
36/**
37 * Apply flattened device tree image
38 *
39 * @v image FDT image, or NULL to clear FDT
40 * @ret rc Return status code
41 */
42int imgfdt ( struct image *image ) {
43
44 /* Record (or clear) FDT image */
45 image_tag ( image, &fdt_image );
46
47 /* Avoid including image in constructed initrd */
48 if ( image )
49 image_hide ( image );
50
51 return 0;
52}
int imgfdt(struct image *image)
Apply flattened device tree image.
Definition fdtmgmt.c:42
Flattened Device Tree management.
#define FILE_LICENCE(_licence)
Declare a particular licence as applying to a file.
Definition compiler.h:896
#define FILE_SECBOOT(_status)
Declare a file's UEFI Secure Boot permission status.
Definition compiler.h:926
static struct image * image_tag(struct image *image, struct image_tag *tag)
Tag image.
Definition image.h:297
static void image_hide(struct image *image)
Mark image as hidden.
Definition image.h:286
Flattened Device Tree.
An executable image.
Definition image.h:24