u-boot/common/cmd_fat.c

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/*
* (C) Copyright 2002
* Richard Jones, rjones@nexus-tech.net
*
* 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
*/
/*
* Boot support
*/
#include <common.h>
#include <command.h>
#include <s_record.h>
#include <net.h>
#include <ata.h>
#include <part.h>
#include <fat.h>
int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
long size;
unsigned long offset;
unsigned long count;
char buf [12];
block_dev_desc_t *dev_desc=NULL;
int dev=0;
int part=1;
char *ep;
if (argc < 5) {
printf( "usage: fatload <interface> <dev[:part]> "
"<addr> <filename> [bytes]\n");
return 1;
}
dev = (int)simple_strtoul(argv[2], &ep, 16);
dev_desc = get_dev(argv[1],dev);
if (dev_desc == NULL) {
puts("\n** Invalid boot device **\n");
return 1;
}
if (*ep) {
if (*ep != ':') {
puts("\n** Invalid boot device, use `dev[:part]' **\n");
return 1;
}
part = (int)simple_strtoul(++ep, NULL, 16);
}
if (fat_register_device(dev_desc,part)!=0) {
printf("\n** Unable to use %s %d:%d for fatload **\n",
argv[1], dev, part);
return 1;
}
offset = simple_strtoul(argv[3], NULL, 16);
if (argc == 6)
count = simple_strtoul(argv[5], NULL, 16);
else
count = 0;
size = file_fat_read(argv[4], (unsigned char *)offset, count);
if(size==-1) {
printf("\n** Unable to read \"%s\" from %s %d:%d **\n",
argv[4], argv[1], dev, part);
return 1;
}
printf("\n%ld bytes read\n", size);
sprintf(buf, "%lX", size);
setenv("filesize", buf);
return 0;
}
U_BOOT_CMD(
fatload, 6, 0, do_fat_fsload,
"load binary file from a dos filesystem",
"<interface> <dev[:part]> <addr> <filename> [bytes]\n"
" - load binary file 'filename' from 'dev' on 'interface'\n"
" to address 'addr' from dos filesystem"
);
int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename = "/";
int ret;
int dev=0;
int part=1;
char *ep;
block_dev_desc_t *dev_desc=NULL;
if (argc < 3) {
printf("usage: fatls <interface> <dev[:part]> [directory]\n");
return 0;
}
dev = (int)simple_strtoul(argv[2], &ep, 16);
dev_desc = get_dev(argv[1],dev);
if (dev_desc == NULL) {
puts("\n** Invalid boot device **\n");
return 1;
}
if (*ep) {
if (*ep != ':') {
puts("\n** Invalid boot device, use `dev[:part]' **\n");
return 1;
}
part = (int)simple_strtoul(++ep, NULL, 16);
}
if (fat_register_device(dev_desc,part)!=0) {
printf("\n** Unable to use %s %d:%d for fatls **\n",
argv[1], dev, part);
return 1;
}
if (argc == 4)
ret = file_fat_ls(argv[3]);
else
ret = file_fat_ls(filename);
if(ret!=0)
printf("No Fat FS detected\n");
return ret;
}
U_BOOT_CMD(
fatls, 4, 1, do_fat_ls,
"list files in a directory (default /)",
"<interface> <dev[:part]> [directory]\n"
" - list files from 'dev' on 'interface' in a 'directory'"
);
int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int dev=0;
int part=1;
char *ep;
block_dev_desc_t *dev_desc=NULL;
if (argc < 2) {
printf("usage: fatinfo <interface> <dev[:part]>\n");
return 0;
}
dev = (int)simple_strtoul(argv[2], &ep, 16);
dev_desc = get_dev(argv[1],dev);
if (dev_desc == NULL) {
puts("\n** Invalid boot device **\n");
return 1;
}
if (*ep) {
if (*ep != ':') {
puts("\n** Invalid boot device, use `dev[:part]' **\n");
return 1;
}
part = (int)simple_strtoul(++ep, NULL, 16);
}
if (fat_register_device(dev_desc,part)!=0) {
printf("\n** Unable to use %s %d:%d for fatinfo **\n",
argv[1], dev, part);
return 1;
}
return file_fat_detectfs();
}
U_BOOT_CMD(
fatinfo, 3, 1, do_fat_fsinfo,
"print information about filesystem",
"<interface> <dev[:part]>\n"
" - print information about filesystem from 'dev' on 'interface'"
);