diff options
Diffstat (limited to 'com32/chain/utility.h')
| -rw-r--r-- | com32/chain/utility.h | 79 |
1 files changed, 62 insertions, 17 deletions
diff --git a/com32/chain/utility.h b/com32/chain/utility.h index 8a08be71..596017bb 100644 --- a/com32/chain/utility.h +++ b/com32/chain/utility.h @@ -1,29 +1,74 @@ -#ifndef _COM32_CHAIN_UTILITY_H -#define _COM32_CHAIN_UTILITY_H +/* ----------------------------------------------------------------------- * + * + * Copyright 2003-2009 H. Peter Anvin - All Rights Reserved + * Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin + * Copyright 2010 Shao Miller + * Copyright 2010-2012 Michal Soltys + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall + * be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ----------------------------------------------------------------------- */ + +#ifndef COM32_CHAIN_UTILITY_H +#define COM32_CHAIN_UTILITY_H #include <stdint.h> +#include <stdio.h> #include <syslinux/disk.h> +#include <syslinux/movebits.h> -#define bpbUNK 0 -#define bpbV20 1 -#define bpbV30 2 -#define bpbV32 3 -#define bpbV34 4 -#define bpbV40 5 -#define bpbVNT 6 -#define bpbV70 7 +/* most (all ?) bpb "types" known to humankind as of 2012 */ +enum {bpbUNK, bpbV20, bpbV30, bpbV32, bpbV34, bpbV40, bpbVNT, bpbV70, bpbEXF}; -#define l2c_cnul 0 -#define l2c_cadd 1 -#define l2c_cmax 2 +/* see utility.c for details */ +enum {L2C_CNUL, L2C_CADD, L2C_CMAX}; + +/* first usable and first unusable offsets */ +#define dosmin ((addr_t)0x500u) +#define dosmax ((addr_t)(*(uint16_t *) 0x413 << 10)) -void error(const char *msg); -int guid_is0(const struct guid *guid); void wait_key(void); -void lba2chs(disk_chs *dst, const struct disk_info *di, uint64_t lba, uint32_t mode); +void lba2chs(disk_chs *dst, const struct disk_info *di, uint64_t lba, int mode); uint32_t get_file_lba(const char *filename); -int drvoff_detect(int type, unsigned int *off); +int drvoff_detect(int type); int bpb_detect(const uint8_t *bpb, const char *tag); +int guid_is0(const struct guid *guid); + +static inline int warn(const char *x) +{ + return fprintf(stderr, "WARN: %s\n", x); +} + +static inline int error(const char *x) +{ + return fprintf(stderr, "ERR: %s\n", x); +} + +static inline int crit(const char *x) +{ + return fprintf(stderr, "CRIT: %s @%s:%d\n", x, __FILE__, __LINE__); +} + +#define critm() crit("Malloc failure.") #endif |