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      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 
     56 static inline int warn(const char *x)
     57 {
     58     return fprintf(stderr, "WARN: %s\n", x);
     59 }
     60 
     61 static inline int error(const char *x)
     62 {
     63     return fprintf(stderr, "ERR: %s\n", x);
     64 }
     65 
     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