/* * (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 *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\n" ); int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char *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'\n" ); int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *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'\n" ); #ifdef NOT_IMPLEMENTED_YET /* find first device whose first partition is a DOS filesystem */ int find_fat_partition (void) { int i, j; block_dev_desc_t *dev_desc; unsigned char *part_table; unsigned char buffer[ATA_BLOCKSIZE]; for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; i++) { dev_desc = ide_get_dev (i); if (!dev_desc) { debug ("couldn't get ide device!\n"); return (-1); } if (dev_desc->part_type == PART_TYPE_DOS) { if (dev_desc-> block_read (dev_desc->dev, 0, 1, (ulong *) buffer) != 1) { debug ("can't perform block_read!\n"); return (-1); } part_table = &buffer[0x1be]; /* start with partition #4 */ for (j = 0; j < 4; j++) { if ((part_table[4] == 1 || /* 12-bit FAT */ part_table[4] == 4 || /* 16-bit FAT */ part_table[4] == 6) && /* > 32Meg part */ part_table[0] == 0x80) { /* bootable? */ curr_dev = i; part_offset = part_table[11]; part_offset <<= 8; part_offset |= part_table[10]; part_offset <<= 8; part_offset |= part_table[9]; part_offset <<= 8; part_offset |= part_table[8]; debug ("found partition start at %ld\n", part_offset); return (0); } part_table += 16; } } } debug ("no valid devices found!\n"); return (-1); } int do_fat_dump (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) { __u8 block[1024]; int ret; int bknum; ret = 0; if (argc != 2) { printf ("needs an argument!\n"); return (0); } bknum = simple_strtoul (argv[1], NULL, 10); if (disk_read (0, bknum, block) != 0) { printf ("Error: reading block\n"); return -1; } printf ("FAT dump: %d\n", bknum); hexdump (512, block); return (ret); } int disk_read (__u32 startblock, __u32 getsize, __u8 *bufptr) { ulong tot; block_dev_desc_t *dev_desc; if (curr_dev < 0) { if (find_fat_partition () != 0) return (-1); } dev_desc = ide_get_dev (curr_dev); if (!dev_desc) { debug ("couldn't get ide device\n"); return (-1); } tot = dev_desc->block_read (0, startblock + part_offset, getsize, (ulong *) bufptr); /* should we do this here? flush_cache ((ulong)buf, cnt*ide_dev_desc[device].blksz); */ if (tot == getsize) return (0); debug ("unable to read from device!\n"); return (-1); } static int isprint (unsigned char ch) { if (ch >= 32 && ch < 127) return (1); return (0); } void hexdump (int cnt, unsigned char *data) { int i; int run; int offset; offset = 0; while (cnt) { printf ("%04X : ", offset); if (cnt >= 16) run = 16; else run = cnt; cnt -= run; for (i = 0; i < run; i++) printf ("%02X ", (unsigned int) data[i]); printf (": "); for (i = 0; i < run; i++) printf ("%c", isprint (data[i]) ? data[i] : '.'); printf ("\n"); data = &data[16]; offset += run; } } #endif /* NOT_IMPLEMENTED_YET */