diff options
Diffstat (limited to 'cmd/cmd_reiser.c')
| -rw-r--r-- | cmd/cmd_reiser.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/cmd/cmd_reiser.c b/cmd/cmd_reiser.c new file mode 100644 index 0000000..8871564 --- /dev/null +++ b/cmd/cmd_reiser.c @@ -0,0 +1,171 @@ +/* + * (C) Copyright 2003 - 2004 + * Sysgo Real-Time Solutions, AG <www.elinos.com> + * Pavel Bartusek <pba@sysgo.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * 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" +); |