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Some flash types support full erase chip command which can reduce the
flash erase time. Try first to erase the entire flash and fall back
to the old method if the operation fails.
Signed-off-by: Larisa Ileana Grigore <larisa.grigore@nxp.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Throughout the Automake files, there is a consistent pattern somewhat
like this:
FOO_BINS = ....
sbin_PROGRAMS += $(FOO_BINS)
This commit all such patterns whenever the variable is not used anywhere
else and appends to the target directly.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit removes the C header files from the EXTRA_DIST variables
and instead assigns them to the SOURCE variable of the respective
components they belong to.
This takes care of having them distributed in the release tar ball and
helps with dependency tracking a little.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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8f627247f6("mtd-utils: move libmtd source files to lib/ subdirectory")
removed fectest.c from the build system 10 years ago. Add it again.
Signed-off-by: Bastian Germann <bastiangermann@fishpost.de>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: Bastian Germann <bastiangermann@fishpost.de>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit fixes some uses of strncpy that could leave the destination
buffer unterminated.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch modifies the internal helpers to read and parse integers
from sysfs files by initializing them first and removes turns an
obscure "a = open(...) if (a >= 0) {...} if (a == -1) {...}" inside
recv_image into a more straight forward if/else branch.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch restructures various code parts that follow the pattern
of "stat(x, &sb) ... makes_sense(&sb) ... open(x)".
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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There are flashes which have gaps between OTP regions and flashes where
the regions don't start at 0 (for example the Winbond 25Q series, which
has three 256 bytes OTP regions starting at 0x1000, 0x2000 and 0x3000).
At the moment it is impossible to dump the OTP memory. Fix it by passing
an optional offset parameter.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The existing code had multiple error handling labels and did things
like checking if a buffer is not NULL before freeing it.
This patch collapses all of this into a single label. We can do this,
because the standard guarantees us that it is safe to call free() with
a NULL pointer.
This also has the side effect of removing the possibility of using the
wrong error label and accidentally leaking something.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Sometimes there's a need to erase the whole device when
programming an image, and not just the area under the
image itself.
Therefore, option -A/--erase-all has been added which
erases the whole device before writing the image.
Signed-off-by: Andrij Abyzov <drolevar@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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flashcp was always showing 0% progress due to incorrect
printf format specifier.
Signed-off-by: Andrij Abyzov <drolevar@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Fix warnings abot PRIdoff_t in libmtd.c, in mtd_read (and mtd_write):
In file included from ../git/lib/libmtd.c:40:0:
../git/lib/libmtd.c: In function 'mtd_read':
../git/include/common.h:110:18: warning: format '%ld' expects argument of
type 'long int', but argument 5 has type 'off_t {aka long long int}'
[-Wformat=]
../git/include/common.h:120:2: note: in expansion of macro 'errmsg'
errmsg(fmt, ##__VA_ARGS__); \
^~~~~~
../git/lib/libmtd.c:1082:10: note: in expansion of macro 'sys_errmsg'
return sys_errmsg("cannot seek mtd%d to offset %"PRIdoff_t,
^~~~~~~~~~
/usr/lib/klibc/include/inttypes.h:28:17: note: format string is defined here
#define PRId32 "d"
Signed-off-by: Thorsten Glaser <tg@mirbsd.org>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch adds a program called "lsmtd". The program produces a pretty
printed list of the hierarchy of UBI and MTD devices on a system. It
tries to imitate the lsblk program from util-linux as closely as
possible.
A number of command line switches are available to fine tune what information
should be exposed and in what output format.
The goal is to have a simple way of displaying the complete MTD stack on
a system in a human readable form instead of piecing details together
from proc files and various UBI utilities.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Currently, Jffs2 clean marker is not written actually, because the oob
write length is set to 0 when do mtd_write().
So, get OOB available size at first, and set the correct clean marker
length, then program clean marker to free OOB area.
Fixes: d7e86124d55b ("mtd-utils: Support jffs2 flash-erase for large OOB (>32b)")
Signed-off-by: Xiaolei Li <xiaolei.li@mediatek.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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mtd_debug: Remove a duplicate if case. MTD_CAP_NANDFLASH has only one
flag set (MTD_WRITEABLE). Directly below, we had a check for
MTD_WRITEABLE in the else branch which can't possible ever have
triggered. Checking for MTD_WRITEABLE in addition to the CAP constants
was probably not intended anyway, given the check for the individual
flags if all else fails.
integck: We already established that "r" is less than the number of
elements in the list, so the loop condition doesn't need to check
if w is NULL in addition. At least this way, the compiler "gets"
that w cannot be NULL below and doesn't issue warnings.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Now that C++17 introduced a special fallthrough keyword for
explicitly tagging switch cases that are supposed to fall
through, newer gcc versions also implement a feature request
from 2002 to warn about maybe unwanted fall-throughs in switch
cases in other languages (like C).
For C code, we can either add a gcc specific attribute at the
end of the switch case, or use a special comment that gcc checks
for, indicating that the fall-through behaviour is indeed
intended.
This patch adds a "/* fall-through */" comment at the end of
various case blocks to silence gcc warnings and in some cases
a break, where fall-through was probably not intended.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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A common pattern in command line processing is having a usage()
function that prints out how to use the command line options and
then terminates.
The function is typically used inside a switch block for command
line options like `-h' or unknown options. In a lot of places, the
break keyword is omitted, because the function exits anyway. However,
this triggers gcc warnings about implicit fall-through.
Rather than adding a phony "/* fall-through */" this patch flags the
usage() style function with a gcc attribute, indicating that they do
not return and removes further superfluous break statements.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Technically it is initializied in the for loop right before being
used. From the conditional above, we know that the for loop is
executed at least once and the variable is always initialized, but
gcc doesn't appear to perform the same reasoning.
This patch adds an initialization of the variable for the sake of
making the compiler happy.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch eliminates warnings generated by the -Wmissing-prototypes
option. With this flag set, we are now forced to have prototypes for
all global, exported functions, that have to be made visible to the
definitions and we are forced to mark all local functions as static.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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We can use return with the exit code instead of the sliglty odd exit,
return pattern.
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The EXIT_{FAILURE|SUCCESS} are already defined in stdlib.h.
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Make the usage of exit consist. That is use the pre defined exit
values.
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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"flash_erase" fails on nand flash with JFFS2 that has OOB size greater than
32 bytes. "flash_erase" uses "MEMGETOOSEL" to determine OOB size. This ioctl
call is obsolete and returns error if OOB size is more than 32 bytes.
This patch fixes this issue by using "mtd_write" to update clean-marker
instead of mtd_oob_write. This fix is based on the discussion:
http://lists.infradead.org/pipermail/linux-mtd/2011-September/037958.html.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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To be independent on the size of off_t the format specifier determined of
common.h should be used instead of PRIu64.
Signed-off-by: Torsten Fleischer <torfl6749@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Add correct casting for filestat.st_size in flashcp.c. While the
interim status updates had correct casting from commit 08b243, the
final update was not.
Signed-off-by: Jonathan Fether <jonf@mds.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Several tools are simply not checking return code of functions marked
with 'warn_unused_result'.
Provide wrappers for the read/write functions to avoid patching old
code and providing proper error handling.
Fix the remaining ones (calls to fgets() and system()).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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When a program does sophisticated enough command line processing
(i.e. getopt), make sure it responds to -V and --version.
When a program prints a version string, make sure it uses the
common_print_version macro to print out its name, that it is part
of mtd-utils and the mtd-utils version from the build system in a
fashion similar to common program packages like the GNU coreutils.
When a program responds to -V/--version or -h/--help, make sure it
reports success exit status.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This patch is largely based on Richards original RFC.
The major differences to the RFC patch are:
- Add missing sumtools & mtdpart targets
- Fix name of mkfs.jffs2 target
- Add missing subdir-objects option for non-recursive make
- Move all automake options to configure.ac
- Add manpages to install target
- Make XATTR & LZO support configurable
- Install binaries to sbin directory like in the old build system
- Install flash_erase wrapper script
- Add files missing from distribution target
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
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The kernel refuses to read more data from a MTD device than the device
size. However, mtd_debug does not check the amount of data read as
returned by read(2) and assumes the requested amount is always read when
there is no error. Reading 8M data from a 4M flash chip results in 8M
file containing the flash data at the start.
Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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The _BSD_SOURCE define has been deprecated for a while now. Instead,
code should be defining _DEFAULT_SOURCE. By defining both, it'll work
with both new & old versions warning-free.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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filestat.st_size type is off_t.
For some paltforms, off_t can be 32 or 64bit but there is no C99 format specifier for off_t.
The best way to print it with printf is to cast it to long long and print with %llu
Signed-off-by: Fabien Proriol <fabien.proriol@jdsu.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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* There is no code modification in this commit, only moving
* the files to proper place.
The user tools looks a little messy as we place almost
the all tools in the root directory of mtd-utils. To make
it more clear, I propose to introduce the following structure
for our source code.
mtd-utils/
|-- lib
|-- include
|-- misc-utils
|-- jffsX-utils
|-- nand-utils
|-- nor-utils
|-- ubi-utils
|-- ubifs-utils
`-- tests
Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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