1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2003-2009 H. Peter Anvin - All Rights Reserved
4 * Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin
5 * Copyright 2010 Shao Miller
6 * Copyright 2010-2012 Michal Soltys
7 *
8 * Permission is hereby granted, free of charge, to any person
9 * obtaining a copy of this software and associated documentation
10 * files (the "Software"), to deal in the Software without
11 * restriction, including without limitation the rights to use,
12 * copy, modify, merge, publish, distribute, sublicense, and/or
13 * sell copies of the Software, and to permit persons to whom
14 * the Software is furnished to do so, subject to the following
15 * conditions:
16 *
17 * The above copyright notice and this permission notice shall
18 * be included in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
22 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
24 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
25 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
28 *
29 * ----------------------------------------------------------------------- */
30
31 #ifndef COM32_CHAIN_UTILITY_H
32 #define COM32_CHAIN_UTILITY_H
33
34 #include <stdint.h>
35 #include <stdio.h>
36 #include <syslinux/disk.h>
37 #include <syslinux/movebits.h>
38
39 /* most (all ?) bpb "types" known to humankind as of 2012 */
40 enum {bpbUNK, bpbV20, bpbV30, bpbV32, bpbV34, bpbV40, bpbVNT, bpbV70, bpbEXF};
41
42 /* see utility.c for details */
43 enum {L2C_CNUL, L2C_CADD, L2C_CMAX};
44
45 /* first usable and first unusable offsets */
46 #define dosmin ((addr_t)0x500u)
47 #define dosmax ((addr_t)(*(uint16_t *) 0x413 << 10))
48
49 void wait_key(void);
50 void lba2chs(disk_chs *dst, const struct disk_info *di, uint64_t lba, int mode);
51 uint32_t get_file_lba(const char *filename);
52 int drvoff_detect(int type);
53 int bpb_detect(const uint8_t *bpb, const char *tag);
54 int guid_is0(const struct guid *guid);
55
warn(const char * x)56 static inline int warn(const char *x)
57 {
58 return fprintf(stderr, "WARN: %s\n", x);
59 }
60
error(const char * x)61 static inline int error(const char *x)
62 {
63 return fprintf(stderr, "ERR: %s\n", x);
64 }
65
crit(const char * x)66 static inline int crit(const char *x)
67 {
68 return fprintf(stderr, "CRIT: %s @%s:%d\n", x, __FILE__, __LINE__);
69 }
70
71 #define critm() crit("Malloc failure.")
72
73 #endif
74
75 /* vim: set ts=8 sts=4 sw=4 noet: */
76