/*
 * (C) Copyright 2003 - 2004
 * Sysgo Real-Time Solutions, AG <www.elinos.com>
 * Pavel Bartusek <pba@sysgo.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
 *
 */

/*
 * Reiserfs support
 */
#include <common.h>
#include <config.h>
#include <command.h>
#include <image.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include <reiserfs.h>
#include <part.h>

#ifndef CONFIG_DOS_PARTITION
#error DOS partition support must be selected
#endif

/* #define      REISER_DEBUG */

#ifdef  REISER_DEBUG
#define PRINTF(fmt,args...)     printf (fmt ,##args)
#else
#define PRINTF(fmt,args...)
#endif

int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
        char *filename = "/";
        int dev, part;
        block_dev_desc_t *dev_desc=NULL;
        disk_partition_t info;

        if (argc < 3)
                return CMD_RET_USAGE;

        part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
        if (part < 0)
                return 1;

        if (argc == 4) {
            filename = argv[3];
        }

        dev = dev_desc->dev;
        PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);

        reiserfs_set_blk_dev(dev_desc, &info);

        if (!reiserfs_mount(info.size)) {
                printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
                return 1;
        }

        if (reiserfs_ls (filename)) {
                printf ("** Error reiserfs_ls() **\n");
                return 1;
        };

        return 0;
}

U_BOOT_CMD(
        reiserls,       4,      1,      do_reiserls,
        "list files in a directory (default /)",
        "<interface> <dev[:part]> [directory]\n"
        "    - list files from 'dev' on 'interface' in a 'directory'"
);

/******************************************************************************
 * Reiserfs boot command intepreter. Derived from diskboot
 */
int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
        char *filename = NULL;
        int dev, part;
        ulong addr = 0, filelen;
        disk_partition_t info;
        block_dev_desc_t *dev_desc = NULL;
        unsigned long count;
        char *addr_str;

        switch (argc) {
        case 3:
                addr_str = getenv("loadaddr");
                if (addr_str != NULL) {
                        addr = simple_strtoul (addr_str, NULL, 16);
                } else {
                        addr = CONFIG_SYS_LOAD_ADDR;
                }
                filename = getenv ("bootfile");
                count = 0;
                break;
        case 4:
                addr = simple_strtoul (argv[3], NULL, 16);
                filename = getenv ("bootfile");
                count = 0;
                break;
        case 5:
                addr = simple_strtoul (argv[3], NULL, 16);
                filename = argv[4];
                count = 0;
                break;
        case 6:
                addr = simple_strtoul (argv[3], NULL, 16);
                filename = argv[4];
                count = simple_strtoul (argv[5], NULL, 16);
                break;

        default:
                return CMD_RET_USAGE;
        }

        if (!filename) {
                puts ("\n** No boot file defined **\n");
                return 1;
        }

        part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
        if (part < 0)
                return 1;

        dev = dev_desc->dev;

        printf("Loading file \"%s\" from %s device %d%c%c\n",
                filename, argv[1], dev,
                part ? ':' : ' ', part ? part + '0' : ' ');

        reiserfs_set_blk_dev(dev_desc, &info);

        if (!reiserfs_mount(info.size)) {
                printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
                return 1;
        }

        filelen = reiserfs_open(filename);
        if (filelen < 0) {
                printf("** File not found %s\n", filename);
                return 1;
        }
        if ((count < filelen) && (count != 0)) {
            filelen = count;
        }

        if (reiserfs_read((char *)addr, filelen) != filelen) {
                printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
                return 1;
        }

        /* Loading ok, update default load address */
        load_addr = addr;

        printf ("\n%ld bytes read\n", filelen);
        setenv_hex("filesize", filelen);

        return filelen;
}

U_BOOT_CMD(
        reiserload,     6,      0,      do_reiserload,
        "load binary file from a Reiser filesystem",
        "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
        "    - load binary file 'filename' from 'dev' on 'interface'\n"
        "      to address 'addr' from dos filesystem"
);