mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 16:38:53 +09:00
173 lines
4.3 KiB
C
173 lines
4.3 KiB
C
/*
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* (C) Copyright 2002
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* Stäubli Faverges - <www.staubli.com>
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* Pierre AUBERT p.aubert@staubli.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <malloc.h>
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#include "dos.h"
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#include "fdos.h"
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const char *month [] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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Fs_t fs;
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File_t file;
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/*-----------------------------------------------------------------------------
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* dos_open --
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*-----------------------------------------------------------------------------
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*/
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int dos_open(char *name)
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{
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int lg;
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int entry;
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char *fname;
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/* We need to suppress the " char around the name */
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if (name [0] == '"') {
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name ++;
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}
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lg = strlen (name);
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if (name [lg - 1] == '"') {
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name [lg - 1] = '\0';
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}
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/* Open file system */
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if (fs_init (&fs) < 0) {
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return -1;
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}
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/* Init the file descriptor */
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file.name = name;
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file.fs = &fs;
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/* find the subdirectory containing the file */
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if (open_subdir (&file) < 0) {
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return (-1);
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}
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fname = basename (name);
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/* if we try to open root directory */
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if (*fname == '\0') {
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file.file = file.subdir;
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return (0);
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}
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/* find the file in the subdir */
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entry = 0;
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if (vfat_lookup (&file.subdir,
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file.fs,
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&file.file.dir,
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&entry,
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0,
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fname,
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ACCEPT_DIR | ACCEPT_PLAIN | SINGLE | DO_OPEN,
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0,
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&file.file) != 0) {
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/* File not found */
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printf ("File not found\n");
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return (-1);
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}
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return 0;
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}
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/*-----------------------------------------------------------------------------
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* dos_read --
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*-----------------------------------------------------------------------------
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*/
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int dos_read (ulong addr)
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{
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int read = 0, nb;
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/* Try to boot a directory ? */
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if (file.file.dir.attr & (ATTR_DIRECTORY | ATTR_VOLUME)) {
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printf ("Unable to boot %s !!\n", file.name);
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return (-1);
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}
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while (read < file.file.FileSize) {
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PRINTF ("read_file (%ld)\n", (file.file.FileSize - read));
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nb = read_file (&fs,
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&file.file,
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(char *)addr + read,
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read,
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(file.file.FileSize - read));
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PRINTF ("read_file -> %d\n", nb);
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if (nb < 0) {
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printf ("read error\n");
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return (-1);
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}
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read += nb;
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}
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return (read);
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}
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/*-----------------------------------------------------------------------------
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* dos_dir --
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*-----------------------------------------------------------------------------
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*/
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int dos_dir (void)
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{
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int entry;
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Directory_t dir;
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char *name;
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if ((file.file.dir.attr & ATTR_DIRECTORY) == 0) {
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printf ("%s: not a directory !!\n", file.name);
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return (1);
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}
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entry = 0;
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if ((name = malloc (MAX_VNAMELEN + 1)) == NULL) {
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PRINTF ("Allcation error\n");
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return (1);
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}
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while (vfat_lookup (&file.file,
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file.fs,
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&dir,
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&entry,
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0,
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NULL,
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ACCEPT_DIR | ACCEPT_PLAIN | MATCH_ANY,
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name,
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NULL) == 0) {
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/* Display file info */
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printf ("%3.3s %9d %s %02d %04d %02d:%02d:%02d %s\n",
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(dir.attr & ATTR_DIRECTORY) ? "dir" : " ",
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__le32_to_cpu (dir.size),
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month [DOS_MONTH (&dir) - 1],
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DOS_DAY (&dir),
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DOS_YEAR (&dir),
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DOS_HOUR (&dir),
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DOS_MINUTE (&dir),
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DOS_SEC (&dir),
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name);
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}
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free (name);
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return (0);
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}
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