bootvar.h revision 1.1 1 /* $NetBSD: bootvar.h,v 1.1 2025/02/24 13:47:55 christos Exp $ */
2
3 /*
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
14 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26 #ifndef _BOOTVAR_H_
27 #define _BOOTVAR_H_
28
29 #ifndef lint
30 __RCSID("$NetBSD: bootvar.h,v 1.1 2025/02/24 13:47:55 christos Exp $");
31 #endif /* not lint */
32
33 /*
34 * Structure of Boot####, Device####, SysPrep#### variables.
35 */
36 typedef struct boot_var {
37 uint32_t Attributes;
38 #define LOAD_OPTION_ACTIVE __BIT(0)
39 #define IS_ACTIVE(attr) ((attr) & LOAD_OPTION_ACTIVE)
40 #define LOAD_OPTION_FORCE_RECONNECT __BIT(1)
41 #define LOAD_OPTION_HIDDEN __BIT(3)
42 #define LOAD_OPTION_CATEGORY __BITS(12,8)
43 #define LOAD_OPTION_CATEGORY_BOOT 0
44 #define LOAD_OPTION_CATEGORY_APP __BIT(8)
45 #define LOAD_OPTION_BITS \
46 "\177\020" \
47 "b\x00""Active\0" \
48 "b\x01""Reconnect\0" \
49 "b\x03""Hidden\0" \
50 "b\x08""CatApp\0"
51
52 uint16_t FilePathListLength;
53 uint16_t Description[]; /* XXX: gcc warns about alignment when packed */
54 // devpath_t FilePathList[];
55 // uint8_t OptionalData[];
56 } __packed boot_var_t;
57
58 int find_new_bootvar(efi_var_t **, size_t, const char *);
59 void *make_bootvar_data(const char *, uint, uint32_t, const char *,
60 const char *, const char *, size_t *);
61
62 #endif /* _BOOTVAR_H_ */
63