| Commit message (Collapse) | Author | Age | Files | Lines |
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expression is of type size_t. Use the appropriate format string specifier
for printing it.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have the split by '=' snippet at multiple locations that parse
key=value pairs. Consolidate them to a single location. This makes code
a bit easier to read at the cost of an extra 8 bytes (LZO-compressed
THUMB2 barebox, static inline version is bigger).
No functional change.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Setting a variable via the nv command results in the call chain
nvar_add() -> nv_save() -> __nv_save().
__nv_save isn't supposed to be called with val=NULL argument however:
dprintf(fd, "%s", val);
Avoid this from happening by translating NULL into the empty string.
This aligns nv with the behavior of hush and setenv (but not global,
this will need to be looked at separately).
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Multiple nonopt arguments seems to have never worked, because the value
was always extracted out of the first non-opt argument. After the first
iteration, it'll have it's '=' stripped and thus value == NULL for all i
> 0. Fix this.
Before:
$ nv a=1 b=2 c=3
$ echo "[$nv.a $nv.b $nv.c]"
[1 ]
After:
$ nv a=1 b=2 c=3
$ echo "[$nv.a $nv.b $nv.c]"
[1 2 3]
Fixes: 0c2fccceb625 ("nv: Allow to set/remove multiple variables with one command")
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The boot command won't boot if:
- There are no boot entries: we should still clean up before
returning an error
- A menu or list of found entries should be displayed: we should
exit with success
- We were doing a dry run: we should propagate the boot entry
boot method's exit code
Do the necessary.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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setenv(var, "") to delete var is a barebox idiosyncrasy. Previous commit
added unsetenv and changed all users of setenv(var, ""), so lets set the
behavior of setenv to what's expected: set var to the empty string.
Previously, "" was turned into NULL, which meant it wasn't possible to
set variables to the empty string from the shell. This is now possible.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Currently, we treat setenv(var, "") and setenv(var, NULL) the same
and delete var, which is surprising and leads to subtle quirks:
- setenv(var, "") is specified by POSIX to set var to an empty string,
but barebox uses it to delete variables
- nv.user= calls nv_set with NULL parameter, but nv user="" doesn't
Make the API more POSIX-like by providing unsetenv with the expected
semantics. Most user code can then use unsetenv without worrying about
whether "" or NULL is the magic deletion value.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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imd understands -v for verbose mode, document it in the options list.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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5211e428cbab ("image: Convert the IH_... values to enums") removed the
IH_ARCH_LINUX enumeration value leading to breakage of sandbox
configurations that enable bootm. Instead of reinstating IH_ARCH_LINUX,
just use IH_ARCH_SANDBOX and remove mention of CONFIG_LINUX altogether,
it's always true anyway when CONFIG_SANDBOX is true.
Fixes: 5211e428cbab ("image: Convert the IH_... values to enums")
Cc: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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NAND mtd devices carry information how the OOB area is used. So far
there is no way to visualize it, so print it along with other NAND
informations.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This updates the barebox NAND layer and parts of the mtd layer to
Linux-5.9.
This patch is huge, but the barebox NAND layer is so far away from the
Linux NAND layer that a step by step update would have taken ages.
Unlike Linux barebox has functions to mark a block as good. This feature
has been preserved. Also barebox used to make NAND write support
optional, this feature is lost during the update for the sake of better
compatibility to the Linux NAND layer.
This patch has been tested:
- GPMI aka nand_mxs on i.MX6
- nand_imx on i.MX25
- nand_omap_gpmc on AM335x
- atmel_nand on Atmel sama5d3
- nand_denali on SoCFPGA
Currently untested:
- nand_orion
- nand_mrvl_nfc
- nand_s3c24xx
The nand_denali driver is tested with the update of that driver to
Linux-5.9 following in the next patch.
I could only test the drivers with the NAND chips found on my boards, so
there's still enough room for regressions, especially given that the
NAND drivers themselves are mostly not updated. With the NAND layer
being up-to-date with Linux it should hopefully be easy to update
drivers to their Linux counterpart as well if necessary.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Some I2C adapters do not allow zero length data transfers, such as the AM335X.
To use the i2c_probe command, let's use byte reading for this purpose.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Memtester is an utility for testing the memory subsystem for faults. For
hardware developers, memtester can be told to test memory starting at a
particular physical address.
This port is based on the sources from Debian GNU/Linux. Debian package meta
data is as follows:
Package: memtester
Version: 4.3.0-5
Homepage: http://pyropus.ca/software/memtester/
APT-Sources: http://ftp.ru.debian.org/debian testing/main amd64 Packages
Dissected version of this patch can be found at
https://github.com/pmamonov/barebox/commits/memtester
Changes since v2:
6fe3d86f9b add prefix to global variables names
81441f8ff8 drop `volatile` for buf/aligned pointers
336d1ddf5f close memfd if mmap() failed
4b52d3990d define rand32() as random32()
9fa593f130 tests: make global vars static
ce00f1aadb fix error handling when parsing arguments
5107cc4b19 don't flush the console
Changes since v1:
1acbafe7a2 init global vars on start
7664692fd4 use proper return value
a10eba5b49 use strtoull_suffix() to parse memory size
001b623c16 add option to set TESTMASK
3acfe07d56 make tests[] static
528360ebd7 fix license
Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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While the bootchooser command is not required for boot with bootchooser,
it's still boot related and is more likely to be looked for in the boot
menu than the misc menu. The boot menu has other commands like uimage
which do not boot either, but are boot-related.
While at it, add some Kconfig help text.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Using %pe instead of PTR_ERR has the benefit of being less verbose and
less error-prone (no negation necessary) while potentially reducing
code size. Make use of it.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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strerrorp() is only used along with printf. We now have a format
specifier for printing error pointers directly, so use that and
remove strerrorp.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Kconfig and online documentation don't indicate that it's OMAP
specific. Fix this.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Depending on passed options, uimage may never assign ret a value.
Fix this by returning COMMAND_SUCCESS by default.
Reported-by: clang-analyzer-10
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There is nothing USB-specific in the defined usbgadget.fastboot_*
variables. Rename them to be usable also for the UDP fastboot transport.
The usbgadget.fastboot_function variable is used to define the files and
devices accessible with the erase and flash commands. Since "function" is
a term from the USB specification and the Fastboot specification uses the
term "partition", we rename that variable to "fastboot.partitions".
Signed-off-by: Daniel Glöckner <dg@emlix.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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slices, the barebox idea of locking
barebox has pollers which execute code in the background whenever one of the
delay functions (udelay, mdelay, ...) or is_timeout() are called. This
introduces resource problems when some device triggers a poller by calling
a delay function and then the poller code calls into the same device again.
As an example consider a I2C GPIO expander which drives a LED which shall
be used as a heartbeat LED:
poller -> LED on/off -> GPIO high/low -> I2C transfer
The I2C controller has a timeout loop using is_timeout() and thus can trigger
a poller run. With this the following can happen during an unrelated I2C
transfer:
I2C transfer -> is_timeout() -> poller -> LED on/off -> GPIO high/low -> I2C transfer
We end up with issuing an I2C transfer during another I2C transfer and
things go downhill.
Due to the lack of interrupts we can't do real locking in barebox. We use
a mechanism called slices instead. A slice describes a resource to which
other slices can be attached. Whenever a slice is needed it must be acquired.
Acquiring a slice never fails, it just increases the acquired counter of
the slice and its dependent slices. when a slice shall be used inside a
poller it must first be tested if the slice is already in use. If it is,
we can't do the operation on the slice now and must return and hope that
we have more luck in the next poller call.
slices can be attached other slices as dependencies. In the example above
LED driver would add a dependency to the GPIO controller and the GPIO driver
would add a dependency to the I2C bus:
GPIO driver probe:
slice_add(&gpio->slice, i2c_device_slice(i2cdev));
LED driver probe:
slice_add(&led->slice, gpio_slice(gpio));
The GPIO code would call slice_acquire(&gpio->slice) before doing any
operation on the GPIO chip providing this GPIO, likewise the I2C core
would call slice_acquire(&i2cbus->slice) before doing an operation on
this I2C bus.
The heartbeat poller code would call slice_acquired(led_slice(led)) and
only continue when the slice is not acquired.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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So far the clk_dump command can only print all clocks. With this patch
we can limit the output to ancestors and children of a given clock. This
makes it easier to find the desired information in big clock trees.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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setenv was so far restricted to the simple shell, because with hush,
users could just do dev.var=VAL for setting variables in the
environment. The hush syntax doesn't allow for setting all kinds of
environment variables though, e.g.
5c00a000.tamp@5c00a000:reboot-mode.of.param
can't be set with hush, because of the special characters. It could
still be read by using the ${variable} syntax though.
Allow setting these variables by making the setenv command generally
available. The default is chosen to be 'y', because the command is
deemed small and useful enough to have it there by default.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In preparation for making setenv selectable under CONFIG_SHELL_HUSH,
allow a `setenv dev.var=VAL syntax`:
- makes command use less surprising for hush users
- allows seamless integration with current device parameter complete
While at it, propagate setenv's return code to the calling shell.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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So far, we were fine by using the highest priority restart handler
whenever more than one was available. There are reasons to want to
configure this however:
- When communicating with BootROM, e.g. to force boot from recovery
mode: The reset chosen must not cause the reboot mode stored to
volatile memory to vanish
- When testing (undocumented) reset behavior, e.g. to analyze how
the EFI reset behaves
Extend the reset command to support this. When no extra command line
option is supplied, the old behavior is maintained.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Boot targets are split by space. strsep unlike strtok(_r) returns an
empty string for each pair of consecutive delimiters. Ignore this case.
Note that this changes behavior: previously both
boot ''
global.boot.default= boot
were identical to
boot /env/boot
With this change, this is no longer the case.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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CONFIG_CPU_64 is ARM-specific. Use the generic CONFIG_64BIT instead
for aligning the file size.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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They are already omitted on normal ls and they don't really add a new
information, so drop them for the recursive case as well.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Our bool definitions come out of <linux/types.h>. <stdbool.h> shouldn't
be used for normal barebox code. We already include <linux/types.h> by
means of <common.h> above. So drop the <stdbool.h>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Especially for "virtual" devices (e.g. wdog0 or mmc2), it is often
useful to know the corresponding hardware device.
Instead of always having to search through plain devinfo, just
include this information in the output when running
`devinfo device`.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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last_expr is set to a different value few lines later. Drop the dead
assignment.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The flags variables is not used. Drop it.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The poller command allows to print which pollers are registered and also
how many times we can run the registered pollers in one second.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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While at it also drop references to the non-existing CREDITS file and do
some small rearrangements for some uniform formatting.
(SPDX-License-Identifier first, then copyright texts and then an empty
line.)
The advantage is that these specifiers are machine-parseable which helps
license conformance.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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71ff9bfebd ("pinctrl: at91: add pinctrl driver") removed the
implementation of the command, but left the now useless config option.
Remove it.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Kconfiglib used by scripts/kconfig-lint.py chokes on this
misindentation. Fix it
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have mdiobus_read(), so use it rather than accessing the read hook
directly.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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of_property needs at least two parameters, the path and the property
name. If we supply less, we risk crashes, e.g. by running
of_property -fs /test
Verify we got at least two parameters.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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