From 2262cfeef91458b01a1bfe3812ccbbfdf8b82807 Mon Sep 17 00:00:00 2001 From: wdenk Date: Mon, 18 Nov 2002 00:14:45 +0000 Subject: =?UTF-8?q?*=20Patch=20by=20Daniel=20Engstr=F6m,=2013=20Nov=202002?= =?UTF-8?q?:=20=20=20Add=20support=20for=20i386=20architecture=20and=20AMD?= =?UTF-8?q?=20SC520=20board?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Patch by Pierre Aubert, 12 Nov 2002: Add support for DOS filesystem and booting from DOS floppy disk --- fs/fdos/fdos.h | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 fs/fdos/fdos.h (limited to 'fs/fdos/fdos.h') diff --git a/fs/fdos/fdos.h b/fs/fdos/fdos.h new file mode 100644 index 0000000000..18076d8665 --- /dev/null +++ b/fs/fdos/fdos.h @@ -0,0 +1,117 @@ +/* + * (C) Copyright 2002 + * Stäubli Faverges - + * Pierre AUBERT p.aubert@staubli.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _FDOS_H_ +#define _FDOS_H_ + + +#undef FDOS_DEBUG + +#ifdef FDOS_DEBUG +#define PRINTF(fmt,args...) printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +/* Data structure describing media */ +typedef struct fs +{ + unsigned long tot_sectors; + + int cluster_size; + int num_clus; + + int fat_start; + int fat_len; + int nb_fat; + int num_fat; + + int dir_start; + int dir_len; + + unsigned char *fat_buf; + +} Fs_t; + +/* Data structure describing one file system slot */ +typedef struct slot { + int (*map) (struct fs *fs, + struct slot *file, + int where, + int *len); + unsigned long FileSize; + + unsigned short int FirstAbsCluNr; + unsigned short int PreviousAbsCluNr; + unsigned short int PreviousRelCluNr; + + Directory_t dir; +} Slot_t; + +typedef struct file { + char *name; + int Case; + Fs_t *fs; + Slot_t subdir; + Slot_t file; +} File_t; + + +/* dev.c */ +int dev_read (void *buffer, int where, int len); +int dev_open (void); +int check_dev (BootSector_t *boot, Fs_t *fs); + +/* fat.c */ +unsigned int fat_decode (Fs_t *fs, unsigned int num); +int read_fat (BootSector_t *boot, Fs_t *fs); + +/* vfat.c */ +int vfat_lookup (Slot_t *dir, + Fs_t *fs, + Directory_t *dirent, + int *entry, + int *vfat_start, + char *filename, + int flags, + char *outname, + Slot_t *file); + +/* subdir.c */ +char *basename (char *name); +int open_subdir (File_t *desc); +int open_file (Slot_t *file, Directory_t *dir); +int read_file (Fs_t *fs, + Slot_t *file, + char *buf, + int where, + int len); +void init_subdir (void); + +/* fs.c */ +int fs_init (Fs_t *fs); + + +#endif + -- cgit v1.2.3