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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
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Configuring for vme8349 board...
cmd_tsi148.c: In function 'tsi148_init':
cmd_tsi148.c:56:17: warning: variable 'lastError' set but not used [-Wunused-but-set-variable]
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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This patch does 2 things:
- Fix the argument number assigned to the vdw (VME data width) value.
Previously, a nonexistent 7th arument was read as the vdw variable.
- Reduce the size of the argument array for the tsi148 command from
8 to 7. The tsi148 command itself is argument index 0, and the
maximum number arguments passed to the command is 6, making a total
of 7 for the array.
Signed-off-by: Brent Darley <bdarley@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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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>
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- Fix command help message
- Disable DEBUG by default
- Fix whitespace issues
- Fix lines > 80 characters
Signed-off-by: Peter Tyser <ptyser@gmail.com>
Acked-by: Stefan Roese <sr@denx.de>
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From: Reinhard Arlt <reinhard.arlt@esd-electronics.com>
This patch adds support for the Tundra TSI148 VME-bridge. It's used on
the upcoming esd VME8349 board.
Signed-off-by: Reinhard Arlt <reinhard.arlt@esd-electronics.com>
Signed-off-by: Stefan Roese <sr@denx.de>
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