diff options
Diffstat (limited to 'fs/fdos/fs.c')
-rw-r--r-- | fs/fdos/fs.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/fs/fdos/fs.c b/fs/fdos/fs.c deleted file mode 100644 index 39d3eae..0000000 --- a/fs/fdos/fs.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * (C) Copyright 2002 - * Stäubli Faverges - <www.staubli.com> - * Pierre AUBERT p.aubert@staubli.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <config.h> -#include <malloc.h> - -#include "dos.h" -#include "fdos.h" - - -/*----------------------------------------------------------------------------- - * fill_fs -- Read info on file system - *----------------------------------------------------------------------------- - */ -static int fill_fs (BootSector_t *boot, Fs_t *fs) -{ - - fs -> fat_start = __le16_to_cpu (boot -> nrsvsect); - fs -> fat_len = __le16_to_cpu (boot -> fatlen); - fs -> nb_fat = boot -> nfat; - - fs -> dir_start = fs -> fat_start + fs -> nb_fat * fs -> fat_len; - fs -> dir_len = __le16_to_cpu (boot -> dirents) * MDIR_SIZE / SZ_STD_SECTOR; - fs -> cluster_size = boot -> clsiz; - fs -> num_clus = (fs -> tot_sectors - fs -> dir_start - fs -> dir_len) / fs -> cluster_size; - - return (0); -} - -/*----------------------------------------------------------------------------- - * fs_init -- - *----------------------------------------------------------------------------- - */ -int fs_init (Fs_t *fs) -{ - BootSector_t *boot; - - /* Initialize physical device */ - if (dev_open () < 0) { - PRINTF ("Unable to initialize the fdc\n"); - return (-1); - } - init_subdir (); - - /* Allocate space for read the boot sector */ - if ((boot = (BootSector_t *)malloc (sizeof (BootSector_t))) == NULL) { - PRINTF ("Unable to allocate space for boot sector\n"); - return (-1); - } - - /* read boot sector */ - if (dev_read (boot, 0, 1)){ - PRINTF ("Error during boot sector read\n"); - free (boot); - return (-1); - } - - /* we verify it'a a DOS diskette */ - if (boot -> jump [0] != JUMP_0_1 && boot -> jump [0] != JUMP_0_2) { - PRINTF ("Not a DOS diskette\n"); - free (boot); - return (-1); - } - - if (boot -> descr < MEDIA_STD) { - /* We handle only recent medias (type F0) */ - PRINTF ("unrecognized diskette type\n"); - free (boot); - return (-1); - } - - if (check_dev (boot, fs) < 0) { - PRINTF ("Bad diskette\n"); - free (boot); - return (-1); - } - - if (fill_fs (boot, fs) < 0) { - free (boot); - - return (-1); - } - - /* Read FAT */ - if (read_fat (boot, fs) < 0) { - free (boot); - return (-1); - } - - free (boot); - return (0); -} |