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Bit flip detection for written and erased pages tend to have different
implementations. Where written pages are detected and corrected using
ECC, erased pages are typically detected by ensuring that the number of
zeros is less than a specified threshold.
As such, it's necessary to have the 'nandbiterrs' test support the
testing of written and erased pages. Bit flips in erased pages are
emulated by rewriting the page in raw mode, to prevent the use of ECC.
Signed-off-by: Harpreet Eli Sangha <harpreet@nestlabs.com>
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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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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This patch borrows the compiler.m4 script from util-linux to check
for compiler support of a number of warning flags and sets them if
they are supported.
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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AC_CHECK_HEADERS already makes sure our config header contains a
HAVE_$FOO_H macro if a header was found. There is no need to
awkwardly set our own Automake conditionals and check for it all
over the place in the Automake files.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch attempts to cleanly seperate configure switches,
dependency checking and generating of output files inside
the autoconf configure.ac file.
Also, instead of aborting immediately if a dependency is missing,
the configure script now completes dependency checking and then
lists ALL dependencies that are missing for the selected build
options. In addtion, suggestions on how to disable some features
that require the missing dependencies are printed out.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The ubifs assert defined in defs.h was only used in three places
inside key.h and defined to never perform any checks at all.
This patch replaces ubifs_assert in mkfs.ubifs with the regular
libc assert macro.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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After a page read, the old failure statistics are compared against the
new failure statistics before the new values are actually read.
Signed-off-by: Harpreet "Eli" Sangha <harpreet@nestlabs.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The tools in question will quit with an exit code 0 if the command
line option was not recognized. By returning an error code a calling
script has the possibility to distinguish between a real success and
an invalid invocation.
We need to return -1 instead of EXIT_FAILURE to be consistent with the
other exit code places.
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The tools in question will quit with an exit code 0 if the command
line option was not recognized. By returning an error code a calling
script has the possibility to distinguish between a real success and
an invalid invocation.
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The tools in question will quit with an exit code 0 if the command
line option was not recognized. By returning an error code a calling
script has the possibility to distinguish between a real success and
an invalid invocation.
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
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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It is not possible to change ownership for symlinks in the device table file.
This patch adds support for symlinks equal to mkfs.jffs2 and updates the
sample device table file. The permission entry for symlinks in the device
table must be set to 0777.
Signed-off-by: David Engraf <david.engraf@sysgo.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Fixes:
| LD ubi-utils/ubiformat
| .../git/ubi-utils/libiniparser.a(libiniparser.o): In function
| ` LD ubi-utils/ubirename
| iniparser_getdouble':
| .../git/ubi-utils/libiniparser.c:336: undefined reference to `atof'
Grep doesn't reveal any occurrence of iniparser_getdouble(), using atof() so
remove it: floating-point is not supported in klibc
Upstream-Status: Pending
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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First issue is that ioctl() in klibc doesn't expect a constant as arg3.
Second issue is that arg3 in klibc ioctl() implementation is not optional.
Fixes:
| ubi-utils/libubi.c: In function 'do_attach':
| ubi-utils/libubi.c:698:8: warning: passing argument 3 of 'ioctl' discards
| 'const' qualifier from pointer target type
| ret = ioctl(fd, UBI_IOCATT, r);
| ^
| In file included from ubi-utils/libubi.c:32:0:
| .../lib/klibc/include/sys/ioctl.h:15:14: note: expected 'void *' but argument
| is of type 'const struct ubi_attach_req *'
| __extern int ioctl(int, int, void *);
| ^
| ubi-utils/libubi.c: In function 'ubi_vol_block_create':
| ubi-utils/libubi.c:1118:9: error: too few arguments to function 'ioctl'
| return ioctl(fd, UBI_IOCVOLCRBLK);
| ^
| In file included from ubi-utils/libubi.c:32:0:
| .../lib/klibc/include/sys/ioctl.h:15:14: note: declared here
| __extern int ioctl(int, int, void *);
| ^
| ubi-utils/libubi.c: In function 'ubi_vol_block_remove':
| ubi-utils/libubi.c:1123:9: error: too few arguments to function 'ioctl'
| return ioctl(fd, UBI_IOCVOLRMBLK);
| ^
| In file included from ubi-utils/libubi.c:32:0:
| .../usr/lib/klibc/include/sys/ioctl.h:15:14: note: declared here
| __extern int ioctl(int, int, void *);
| ^
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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If the specified UBI device or volume does not exist, the function
is supposed to set errno to ENODEV.
This patch adds a check to ubi_get_vol_info1 to change the errno
to ENODEV if vol_get_major cannot access the underlying sysfs file,
so the function propperly returns that the device or volume does
not exist, instead of failing with errno set to ENOENT.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The documentation of libmtd_open says, if it returns NULL and errno is
zero, MTD is not present. However, the current version always returns
a libmtd_t object. The function internally checks, if it can access the
MTD sysfs files and, if not, sets a flag to use the procfs fallback.
This patch adds an additional check to libmtd_open, to test if the
MTD procfs file can be read and fails with errno cleared if it does
not exist.
Furhtermore, mtd_get_info is documented to fail with errno set to ENODEV
if MTD is not present. First of all, this was broken in the original
version. It was implemented to specification for the sysfs code path,
but if MTD is not present, that won't be executed, because of the flag
set by libmtd_open. This makes the check not only redundant, but masks
an actual error (the sysfs paths suddenly not being readable anymore).
The legacy path that was used if the sysfs files are not avaible fails
with ENOENT if it cannot read the procfs file. With the above changes
in addition, we don't have a libmtd_t object if neither sysfs nor
procfs is readable, so this error status no longer makes sense.
This patch removes the documentation on the ENODEV errno, and
makes sure that mtd_get_info always returns with apropriate errno
on failure.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This is based on the patch from Khem Raj used by openembedded. In
addition to the original patch, this also removes the fallback
implementation that was provided for C libraries that don't implement
rpmatch.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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NEON instruction VLD1.64 was used to copy 64 bits data after type
casting, and they will trigger alignment trap.
This patch uses memcpy to avoid alignment problem.
Signed-off-by: Yuanjie Huang <Yuanjie.Huang@windriver.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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rand() is not thread safe, but glibc seems to use a shared state which is
protected by a mutex. io_paral spawns a few threads and they call rand()
more or less in parallel, which causes heavy lock contention. That
makes the test extremely slow on some setups.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David Gstir <david@sigma-star.at>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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io_read and io_update of mtd-utils support NAND with 4k page size only.
Increase that to support up to 65k page size.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David Gstir <david@sigma-star.at>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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io_read and io_update of mtd-utils use variable-length arrays for test data.
Since this could result in allocating many megabytes using alloca(), switch
to malloc().
Signed-off-by: David Gstir <david@sigma-star.at>
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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Add a missing space after PROGRAM_NAME and fix a typo.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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UDEV_SETTLE_HACK addresses a problem which does no longer exist on Linux.
These days we have devtmpfs. New devices will automatically created on
the kernel side and user space has no longer to wait for udev.
As udev has a hard dependency on devtmpfs we can depend on it too.
People which don't use udev nor plain devtmpfs are anyways on their own.
Android, I'm looking at you...
Signed-off-by: Richard Weinberger <richard@nod.at>
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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On 32bit systems (e.g. ARM) the size of off_t can be 4 byte and the size of loff_t 8 byte.
This causes compiler warnings like the following:
flash_erase.c: In function 'show_progress':
flash_erase.c:56:22: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'off_t {aka long int}' [-Wformat=]
bareverbose(!quiet, "\rErasing %d Kibyte @ %"PRIxoff_t" -- %2i %% complete ",
and an output like this:
~# flash_erase /dev/mtd2 0 1
Erasing 64 Kibyte @ 6400000000 -- 0 % complete
~#
Since the size of off_t and loff_t can differ from each other, the
printf format specifier should be determined separately for both.
Further the format specifiers should be based directly on the size of the
particular data type.
Signed-off-by: Torsten Fleischer <torfl6749@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The --skip-bad-blocks-to-start option will increase the start address by
the size of each bad block encountered between the start of the partition
and the specified start address.
This can be useful if other readers of the partition will be reading using
a simple bad-block-skipping algorithm.
Signed-off-by: Mike Crowe <mac@mcrowe.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The --skip-bad-blocks-to-start option will increase the seek offset by the
size of each bad block encountered between the start of the partition and
the specified start address.
This can be useful when writing part way through a partition that will be
read using a simple bad-block-skipping algorithm.
Signed-off-by: Mike Crowe <mac@mcrowe.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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JFFS2 supports clustering erase blocks to virtual erase blocks.
nandwrite supports this, but previously mixed up virtual and
physical erase block numbers when checking for bad blocks.
This patch adds a function for checking if a virtual erase block
is bad and replaces the broken mtd_is_bad loop.
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 makes sure that a virtual erase block is always
composed of a postivie number of erase blocks (i.e. 1 or more)
and enforces the block alignment to be a power of two as
suggested by the help text and assumed throughout the program.
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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For some applications, like building a root filesystem for an embedded
device, it may be desireable to only build and install a subset of the
mtd-utils. This can be done throught the targets of the generated
Makefile and hand picking executables, however the jffsX and ubifs
utilities have external build dependencies that may not be needed.
This patch adds configure switches to disable building the jffsX and
ubifs utilities. Their respective build dependencies (zlib, lzo, uuid)
are only requested if the tools are being built.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Reviewed-by: Richard Weinberger <richard@nod.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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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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Previously, the unit test sysfs mock files and headers were not
added to the distribution packag. Not packaging the header leads
to compilation of the unit tests failing. Not packaging the stub
files caueses the unit tests themselves to fail.
This patch explicitly adds the header and sysfs mock files to the
distribution target, allowing the unit tests to be used outside
the git tree.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Pull the buffer content checking code into separate function and
simplify the code invoking it slightly.
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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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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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Compiling for x86_64 generates a lot of warning because the PRIxoff_t and
PRIdoff_t are not properly defined, which comes from the missing
SIZEOF_LONG definition.
Use the autotools to generate a config.h header, include this header from
common.h and ask autoheader to generate the SIZEOF_LONG and SIZEOF_LOFF_T
definitions.
Use these new definitions to assign the proper descriptors to PRIxoff_t
and PRIdoff_t.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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Signed-off-by: Kees Trommel <ctrommel@linvm302.aimsys.nl>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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