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-rw-r--r--fs/fdos/fdos.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/fs/fdos/fdos.c b/fs/fdos/fdos.c
new file mode 100644
index 0000000000..8963f425f5
--- /dev/null
+++ b/fs/fdos/fdos.c
@@ -0,0 +1,175 @@
+/*
+ * (C) Copyright 2002
+ * Stubli Faverges - <www.staubli.com>
+ * 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
+ */
+
+#include <common.h>
+#include <config.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_FDOS)
+#include <malloc.h>
+#include "dos.h"
+#include "fdos.h"
+
+
+const char *month [] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
+
+Fs_t fs;
+File_t file;
+
+/*-----------------------------------------------------------------------------
+ * dos_open --
+ *-----------------------------------------------------------------------------
+ */
+int dos_open(char *name)
+{
+ int lg;
+ int entry;
+ char *fname;
+
+ /* We need to suppress the " char around the name */
+ if (name [0] == '"') {
+ name ++;
+ }
+ lg = strlen (name);
+ if (name [lg - 1] == '"') {
+ name [lg - 1] = '\0';
+ }
+
+ /* Open file system */
+ if (fs_init (&fs) < 0) {
+ return -1;
+ }
+
+ /* Init the file descriptor */
+ file.name = name;
+ file.fs = &fs;
+
+ /* find the subdirectory containing the file */
+ if (open_subdir (&file) < 0) {
+ return (-1);
+ }
+
+ fname = basename (name);
+
+ /* if we try to open root directory */
+ if (*fname == '\0') {
+ file.file = file.subdir;
+ return (0);
+ }
+
+ /* find the file in the subdir */
+ entry = 0;
+ if (vfat_lookup (&file.subdir,
+ file.fs,
+ &file.file.dir,
+ &entry,
+ 0,
+ fname,
+ ACCEPT_DIR | ACCEPT_PLAIN | SINGLE | DO_OPEN,
+ 0,
+ &file.file) != 0) {
+ /* File not found */
+ printf ("File not found\n");
+ return (-1);
+ }
+
+ return 0;
+}
+
+/*-----------------------------------------------------------------------------
+ * dos_read --
+ *-----------------------------------------------------------------------------
+ */
+int dos_read (ulong addr)
+{
+ int read = 0, nb;
+
+ /* Try to boot a directory ? */
+ if (file.file.dir.attr & (ATTR_DIRECTORY | ATTR_VOLUME)) {
+ printf ("Unable to boot %s !!\n", file.name);
+ return (-1);
+ }
+ while (read < file.file.FileSize) {
+ PRINTF ("read_file (%ld)\n", (file.file.FileSize - read));
+ nb = read_file (&fs,
+ &file.file,
+ (char *)addr + read,
+ read,
+ (file.file.FileSize - read));
+ PRINTF ("read_file -> %d\n", nb);
+ if (nb < 0) {
+ printf ("read error\n");
+ return (-1);
+ }
+ read += nb;
+ }
+ return (read);
+}
+/*-----------------------------------------------------------------------------
+ * dos_dir --
+ *-----------------------------------------------------------------------------
+ */
+int dos_dir (void)
+{
+ int entry;
+ Directory_t dir;
+ char *name;
+
+
+ if ((file.file.dir.attr & ATTR_DIRECTORY) == 0) {
+ printf ("%s: not a directory !!\n", file.name);
+ return (1);
+ }
+ entry = 0;
+ if ((name = malloc (MAX_VNAMELEN + 1)) == NULL) {
+ PRINTF ("Allcation error\n");
+ return (1);
+ }
+
+ while (vfat_lookup (&file.file,
+ file.fs,
+ &dir,
+ &entry,
+ 0,
+ NULL,
+ ACCEPT_DIR | ACCEPT_PLAIN | MATCH_ANY,
+ name,
+ NULL) == 0) {
+ /* Display file info */
+ printf ("%3.3s %9d %s %02d %04d %02d:%02d:%02d %s\n",
+ (dir.attr & ATTR_DIRECTORY) ? "dir" : " ",
+ __le32_to_cpu (dir.size),
+ month [DOS_MONTH (&dir) - 1],
+ DOS_DAY (&dir),
+ DOS_YEAR (&dir),
+ DOS_HOUR (&dir),
+ DOS_MINUTE (&dir),
+ DOS_SEC (&dir),
+ name);
+
+ }
+ free (name);
+ return (0);
+}
+
+#endif
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