diff options
| -rw-r--r-- | common/cmd_mfsl.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c index ffa2666..337dfbb 100644 --- a/common/cmd_mfsl.c +++ b/common/cmd_mfsl.c @@ -357,7 +357,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) reg = (unsigned int)simple_strtoul (argv[1], NULL, 16); val = (unsigned int)simple_strtoul (argv[2], NULL, 16); - if (argc < 1) { + if (argc < 2) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } @@ -382,6 +382,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) puts ("ESR"); break; default: + puts ("Unsupported register\n"); return 1; } printf (": 0x%08lx\n", val); @@ -408,10 +409,10 @@ U_BOOT_CMD (fwr, 4, 1, do_fwr, " 3 - blocking control write\n"); U_BOOT_CMD (rspr, 3, 1, do_rspr, - "rmsr - read/write special purpose register\n", + "rspr - read/write special purpose register\n", "- reg_num [write value] read/write special purpose register\n" - " 0 - MSR - Machine status register\n" - " 1 - EAR - Exception address register\n" - " 2 - ESR - Exception status register\n"); + " 1 - MSR - Machine status register\n" + " 3 - EAR - Exception address register\n" + " 5 - ESR - Exception status register\n"); #endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */ |