1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2011 Gary Mills 24 * 25 * Copyright (c) 1999 by Sun Microsystems, Inc. 26 * All rights reserved. 27 */ 28 29 #ifndef _PCFS_COMMON_H 30 #define _PCFS_COMMON_H 31 32 /* 33 * Common routines for the pcfs user-level utilities 34 */ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #include <sys/isa_defs.h> 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <sys/sysmacros.h> 44 #include "pcfs_bpb.h" 45 46 #define IN_RANGE(n, x, y) (((n) >= (x)) && ((n) <= (y))) 47 48 /* 49 * A macro implementing a ceiling function for integer divides. 50 */ 51 #define idivceil(dvend, dvsor) \ 52 ((dvend)/(dvsor) + (((dvend)%(dvsor) == 0) ? 0 : 1)) 53 54 /* 55 * These defines should move into a kernel header file eventually 56 * and pcfs_mount may want to refuse to mount FAT32's that aren't "clean" 57 * 58 * If Windows shuts down properly it sets the fourth bit of the 8th 59 * and final reserved byte at the start of the FAT. 60 */ 61 #define WIN_SHUTDOWN_STATUS_BYTE 7 62 #define WIN_SHUTDOWN_BIT_MASK 0x8 63 64 /* 65 * Define some special logical drives we use. 66 */ 67 #define BOOT_PARTITION_DRIVE 99 68 #define PRIMARY_DOS_DRIVE 1 69 70 /* 71 * Function prototypes 72 */ 73 extern off64_t findPartitionOffset(int fd, char *ldrive); 74 extern char *stat_actual_disk(char *diskname, struct stat *info, char **suffix); 75 extern void header_for_dump(void); 76 extern void store_16_bits(uchar_t **bp, uint32_t v); 77 extern void store_32_bits(uchar_t **bp, uint32_t v); 78 extern void read_16_bits(uchar_t *bp, uint32_t *value); 79 extern void read_32_bits(uchar_t *bp, uint32_t *value); 80 extern void missing_arg(char *option); 81 extern void dump_bytes(uchar_t *b, int n); 82 extern void bad_arg(char *option); 83 extern void usage(void); 84 extern int yes(void); 85 86 /* 87 * The assumption here is that _BIG_ENDIAN implies sparc, and 88 * so in addition to swapping bytes we also have to construct 89 * packed structures by hand to avoid bus errors due to improperly 90 * aligned pointers. 91 */ 92 #ifdef _BIG_ENDIAN 93 extern void swap_pack_grab32bpb(bpb_t *wbpb, struct _boot_sector *bsp); 94 extern void swap_pack_grabbpb(bpb_t *wbpb, struct _boot_sector *bsp); 95 #endif /* _BIG_ENDIAN */ 96 97 #ifdef __cplusplus 98 } 99 #endif 100 101 #endif /* _PCFS_COMMON_H */ 102