diff options
Diffstat (limited to 'common/cmd_fat.c')
| -rw-r--r-- | common/cmd_fat.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/common/cmd_fat.c b/common/cmd_fat.c index 01e02f5..55585c6 100644 --- a/common/cmd_fat.c +++ b/common/cmd_fat.c @@ -37,7 +37,8 @@ int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { long size; unsigned long offset; - unsigned long count; + unsigned long count = 0; + unsigned long pos = 0; char buf [12]; block_dev_desc_t *dev_desc=NULL; disk_partition_t info; @@ -45,7 +46,7 @@ int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (argc < 5) { printf("usage: fatload <interface> [<dev[:part]>] " - "<addr> <filename> [bytes]\n"); + "<addr> <filename> [bytes [pos]]\n"); return 1; } @@ -60,11 +61,11 @@ int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; } offset = simple_strtoul(argv[3], NULL, 16); - if (argc == 6) + if (argc >= 6) count = simple_strtoul(argv[5], NULL, 16); - else - count = 0; - size = file_fat_read(argv[4], (unsigned char *)offset, count); + if (argc >= 7) + pos = simple_strtoul(argv[6], NULL, 16); + size = file_fat_read_at(argv[4], pos, (unsigned char *)offset, count); if(size==-1) { printf("\n** Unable to read \"%s\" from %s %d:%d **\n", @@ -82,11 +83,15 @@ int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD( - fatload, 6, 0, do_fat_fsload, + fatload, 7, 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" + "<interface> [<dev[:part]>] <addr> <filename> [bytes [pos]]\n" + " - Load binary file 'filename' from 'dev' on 'interface'\n" + " to address 'addr' from dos filesystem.\n" + " 'pos' gives the file position to start loading from.\n" + " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n" + " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n" + " the load stops on end of file." ); int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |