diff options
Diffstat (limited to 'common/cmd_fdos.c')
| -rw-r--r-- | common/cmd_fdos.c | 96 |
1 files changed, 54 insertions, 42 deletions
diff --git a/common/cmd_fdos.c b/common/cmd_fdos.c index 4b411b3..8257e70 100644 --- a/common/cmd_fdos.c +++ b/common/cmd_fdos.c @@ -34,7 +34,7 @@ #if (CONFIG_COMMANDS & CFG_CMD_FDOS) /*----------------------------------------------------------------------------- - * do_fdosboot -- + * do_fdosboot -- *----------------------------------------------------------------------------- */ int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) @@ -45,53 +45,53 @@ int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int rcode = 0; char buf [10]; int drive = CFG_FDC_DRIVE_NUMBER; - + /* pre-set load_addr */ if ((ep = getenv("loadaddr")) != NULL) { - load_addr = simple_strtoul(ep, NULL, 16); + load_addr = simple_strtoul(ep, NULL, 16); } /* pre-set Boot file name */ if ((name = getenv("bootfile")) == NULL) { - name = "uImage"; + name = "uImage"; } switch (argc) { case 1: - break; + break; case 2: /* only one arg - accept two forms: - * just load address, or just boot file name. - * The latter form must be written "filename" here. - */ - if (argv[1][0] == '"') { /* just boot filename */ - name = argv [1]; - } else { /* load address */ - load_addr = simple_strtoul(argv[1], NULL, 16); - } - break; + * just load address, or just boot file name. + * The latter form must be written "filename" here. + */ + if (argv[1][0] == '"') { /* just boot filename */ + name = argv [1]; + } else { /* load address */ + load_addr = simple_strtoul(argv[1], NULL, 16); + } + break; case 3: - load_addr = simple_strtoul(argv[1], NULL, 16); - name = argv [2]; - break; + load_addr = simple_strtoul(argv[1], NULL, 16); + name = argv [2]; + break; default: - printf ("Usage:\n%s\n", cmdtp->usage); - break; + printf ("Usage:\n%s\n", cmdtp->usage); + break; } /* Init physical layer */ if (!fdc_fdos_init (drive)) { - return (-1); + return (-1); } - + /* Open file */ if (dos_open (name) < 0) { - printf ("Unable to open %s\n", name); - return 1; + printf ("Unable to open %s\n", name); + return 1; } if ((size = dos_read (load_addr)) < 0) { - printf ("boot error\n"); - return 1; + printf ("boot error\n"); + return 1; } flush_cache (load_addr, size); @@ -99,47 +99,59 @@ int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) setenv("filesize", buf); printf("Floppy DOS load complete: %d bytes loaded to 0x%lx\n", - size, load_addr); - + size, load_addr); + /* Check if we should attempt an auto-start */ if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { - char *local_args[2]; - extern int do_bootm (cmd_tbl_t *, int, int, char *[]); - local_args[0] = argv[0]; - local_args[1] = NULL; - printf ("Automatic boot of image at addr 0x%08lX ...\n", load_addr); - rcode = do_bootm (cmdtp, 0, 1, local_args); + char *local_args[2]; + extern int do_bootm (cmd_tbl_t *, int, int, char *[]); + local_args[0] = argv[0]; + local_args[1] = NULL; + printf ("Automatic boot of image at addr 0x%08lX ...\n", load_addr); + rcode = do_bootm (cmdtp, 0, 1, local_args); } return rcode; } /*----------------------------------------------------------------------------- - * do_fdosls -- + * do_fdosls -- *----------------------------------------------------------------------------- */ int do_fdosls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { char *path = ""; int drive = CFG_FDC_DRIVE_NUMBER; - + switch (argc) { case 1: - break; + break; case 2: - path = argv [1]; - break; + path = argv [1]; + break; } /* Init physical layer */ if (!fdc_fdos_init (drive)) { - return (-1); + return (-1); } /* Open directory */ if (dos_open (path) < 0) { - printf ("Unable to open %s\n", path); - return 1; + printf ("Unable to open %s\n", path); + return 1; } return (dos_dir ()); } -#endif +cmd_tbl_t U_BOOT_CMD(FDOS_BOOT) = MK_CMD_ENTRY( + "fdosboot", 3, 0, do_fdosboot, + "fdosboot- boot from a dos floppy file\n", + "[loadAddr] [filename]\n" +); + +cmd_tbl_t U_BOOT_CMD(FDOS_LS) = MK_CMD_ENTRY( + "fdosls", 2, 0, do_fdosls, + "fdosls - list files in a directory\n", + "[directory]\n" +); + +#endif /* CONFIG_COMMANDS & CFG_CMD_FDOS */ |