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Fix number base handling of "load" command

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As documented, almost all U-Boot commands expect numbers to be entered
in hexadecimal input format. (Exception: for historical reasons, the
"sleep" command takes its argument in decimal input format.)

This rule was broken for the "load" command; for details please see
especially commits 045fa1e "fs: add filesystem switch libary,
implement ls and fsload commands" and 3f83c87 "fs: fix number base
behaviour change in fatload/ext*load".  In the result, the load
command would always require an explicit "0x" prefix for regular
(i. e. base 16 formatted) input.

Change this to use the standard notation of base 16 input format.
While strictly speaking this is a change of the user interface, we
hope that it will not cause trouble.  Stephen Warren comments (see
[1]):

        I suppose you can change the behaviour if you want; anyone
        writing "0x..." for their values presumably won't be
        affected, and if people really do assume all values in U-Boot
        are in hex, presumably nobody currently relies upon using
        non-prefixed values with the generic load command, since it
        doesn't work like that right now.

[1] http://article.gmane.org/gmane.comp.boot-loaders.u-boot/171172

Acked-by: Tom Rini <trini@ti.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk 2013-10-05 21:07:25 +02:00 • committed by Tom Rini
parent 010c480bbf
commit b770e88a6c
6 changed files with 18 additions and 23 deletions
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5
common/cmd_ext4.c
View file

@ -45,7 +45,7 @@
int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT, 16);
return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
}
int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
@ -122,5 +122,4 @@ U_BOOT_CMD(ext4load, 6, 0, do_ext4_load,
"load binary file from a Ext4 filesystem",
"<interface> <dev[:part]> [addr] [filename] [bytes]\n"
" - load binary file 'filename' from 'dev' on 'interface'\n"
" to address 'addr' from ext4 filesystem.\n"
" All numeric parameters are assumed to be hex.");
" to address 'addr' from ext4 filesystem");