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/*
* (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"
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);
}
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