Lots of code use this construct:
cmd_usage(cmdtp);
return 1;
Change cmd_usage() let it return 1 - then we can replace all these
ocurrances by
return cmd_usage(cmdtp);
This fixes a few places with incorrect return code handling, too.
Signed-off-by: Wolfgang Denk <wd@denx.de>
The hush shell dynamically allocates (and re-allocates) memory for the
argument strings in the "char *argv[]" argument vector passed to
commands. Any code that modifies these pointers will cause serious
corruption of the malloc data structures and crash U-Boot, so make
sure the compiler can check that no such modifications are being done
by changing the code into "char * const argv[]".
This modification is the result of debugging a strange crash caused
after adding a new command, which used the following argument
processing code which has been working perfectly fine in all Unix
systems since version 6 - but not so in U-Boot:
int main (int argc, char **argv)
{
while (--argc > 0 && **++argv == '-') {
/* ====> */ while (*++*argv) {
switch (**argv) {
case 'd':
debug++;
break;
...
default:
usage ();
}
}
}
...
}
The line marked "====>" will corrupt the malloc data structures and
usually cause U-Boot to crash when the next command gets executed by
the shell. With the modification, the compiler will prevent this with
an
error: increment of read-only location '*argv'
N.B.: The code above can be trivially rewritten like this:
while (--argc > 0 && **++argv == '-') {
char *arg = *argv;
while (*++arg) {
switch (*arg) {
...
Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
On the fly also fixed the following things:
- write help talked about a parameter oob, but that one was not used, so
removed it from the help message.
- the test command also allowed a force subcommand but didn't use it.
eliminated the code.
- do_onenand made static
- do_onenand contained
int blocksize;
...
mtd = &onenand_mtd;
this = mtd->priv;
blocksize = (1 << this->erase_shift);
As blocksize was not used the last two statements were unneeded so
removed them.
The first statement (mtd = ....) assigns to a global. Not sure if it
is needed, and since I could not test this, left the line for now
Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
There is more and more usage of printing 64bit values,
so enable this feature generally, and delete the
CONFIG_SYS_64BIT_VSPRINTF and CONFIG_SYS_64BIT_STRTOUL
defines.
Signed-off-by: Heiko Schocher <hs@denx.de>
The "nand markbad" and "onenand markbad" commands did not check if an
argument was passed; if this was forgotten, no error was raised but
block 0 was marked as bad.
While fixing this bug, clean up the code a bit and allow to pass more
than one block address, thus allowing to mark several blocks as bad
in a single command invocation.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Many of the help messages were not really helpful; for example, many
commands that take no arguments would not print a correct synopsis
line, but "No additional help available." which is not exactly wrong,
but not helpful either.
Commit ``Make "usage" messages more helpful.'' changed this
partially. But it also became clear that lots of "Usage" and "Help"
messages (fields "usage" and "help" in struct cmd_tbl_s respective)
were actually redundant.
This patch cleans this up - for example:
Before:
=> help dtt
dtt - Digital Thermometer and Thermostat
Usage:
dtt - Read temperature from digital thermometer and thermostat.
After:
=> help dtt
dtt - Read temperature from Digital Thermometer and Thermostat
Usage:
dtt
Signed-off-by: Wolfgang Denk <wd@denx.de>
This patch brings the U-Boot MTD infrastructure in sync with the current
Linux MTD version (2.6.30-rc3). Biggest change is the 64bit device size
support and a resync of the mtdpart.c file which has seen multiple fixes
meanwhile.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Kyungmin Park <kmpark@infradead.org>
Remove command name from all command "usage" fields and update
common/command.c to display "name - usage" instead of
just "usage". Also remove newlines from command usage fields.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Update OneNAND command to support bad block awareness.
Also change the OneNAND command style to better match the
NAND version.
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
onenand_print_device_info():
- Now returns a string to be placed in mtd->name,
rather than calling printf.
- Remove verbose parameter as it becomes useless.
Signed-off-by: Fathi Boudra <fabo@debian.org>
Signed-off-by: Scott Wood <scottwood@freescale.com>
While locally preparing some U-Boot patches for ARM based OMAP3 boards, some
using OneNAND and some using NAND, we found some differences in OneNAND and
NAND command address handling.
As this might confuse users (it already confused us), we like to align OneNAND
and NAND address handling.
The issue is that cmd_onenand.c subtracts the onenand base address from the
addresses you type into the u-boot command line so, unlike nand, you can't
use addresses relative to the start of the onenand part e.g. this won't work:
onenand read 82000000 280000 400000
you have to use:
onenand read 82000000 20280000 400000
Looking at recent git, the only board currently using OneNAND is Apollon, and
for this the OneNAND base address is 0 (apollon.h)
#define CFG_ONENAND_BASE 0x00000000
so patch below won't break any existing boards and will align OneNAND and NAND
handling on boards where OneNAND base address is != 0.
Signed-off-by: Steve Sakoman <sakoman@gmail.com>
Signed-off-by: Manikandan Pillai <mani.pillai@ti.com>
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
