boot command: Make verbose/dryrun options work again ...

Fixes: bc94fb3 bootm: Initialize bootm_data defaults in single place

bootm_data_init_defaults() must be called before filling in the values
from the commandline options, otherwise the values will be overwritten
in bootm_data_init_defaults().

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Merge branch 'for-next/bootm'

commands: Add 'hwmon' command ...

Add 'hwmon' command which allows to display the readings of all
hardware monitoring sensors registered with Barebox.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

bootm: Move magicvar descriptions to common/bootm.c ...

Now that the bootm code can be used without the command, we have to
move the magicvar descriptions from the command code to the common
bootm code aswell.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

bootm: Move bootm options to common/Kconfig ...

bootm has a C API, so the bootm options have to depend on the
option providing the bootm code (CONFIG_BOOTM), not on the
option providing the command (CONFIG_CMD_BOOTM). Fixing the
dependencies makes it possible to fully use bootm from C without
enabling the bootm command support.
This also removes the CMD_ prefix from the options which means
we have to update the defconfigs aswell.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Merge branch 'for-next/ubiformat'

Merge branch 'for-next/misc'

Merge branch 'for-next/include-cleanup'

Merge branch 'for-next/bootm'

Merge branch 'for-next/arm'

bootm: Optionally add a root= option to Kernel command line ...

It becomes a common case that the Kernel is loaded from the filesystem
which later becomes the rootfs. This adds a possibility to let bootm
automatically append the root= option to the kernel command line. This
is done when global.bootm.appendroot is true.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Kconfig: Create Kconfig symbol for NVVAR ...

nvvar support not only needs globalvar, but also persistent
environment storage. Add a separate default-y option which
depends on ENV_HANDLING for this case. Make the option visible
to let the user decide whether he wants to have this option
and add a help text to make this decision easier.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Kconfig: Make ENV_HANDLING visible ...

ENV_HANDLING is usable even without explicit loadenv/saveenv command
support. Instead of selecting this option from loadenv/saveenv, make
this option visible. loadenv/saveenv can then depend on ENV_HANDLING
rather than selecting it. This reduces Kconfig dependencies hassles.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Kconfig: Make GLOBALVAR visible ...

Currently global environment variables are only enabled when the
"global" command is enabled. In fact, they could be used even with
the "global" command disabled, so make the GLOBALVAR option visible.
While at it, add a help text for this option.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

commands: mmc_extcsd: Fix incorrect usage of sprintf ...

In a number of places print_field_ge_v7() and print_field() function
would call sprintf() without providing is with appropriate output
buffer (str is initialized to NULL). Replace the sprintf() with
basprintf() to fix that.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

documentation: i2c_read() does not expect any "DATA". ...

Remove information about DATA from help text.

Signed-off-by: Andreas Geisenhainer <Andreas.Geisenhainer@atsonline.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

ubiformat: use default values for ubi_ver and image_seq ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

commands: ubiformat: move code to common/ ...

This is the final step to separate the ubiformat code from the
command. With this the ubiformat code gains a C API.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

move FLEXIBLE_BOOTARGS from commands/ to common/ ...

FLEXIBLE_BOOTARGS also works without command support being enabled.
Move this option from commands/Kconfig to common/Kconfig so that
it doesn't depend on COMMAND_SUPPORT.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

commands: ubiformat: create separate function for ubiformat ...

Factor out the code out of the main function to a ubiformat function
to separate the command code from the ubiformat functionality.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

commands: ubiformat: Pass around context data ...

Instead of using a static global context data struct, pass the
data around. This is a first step to create a C API for ubiformat.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

fix erasing/protecting flashes with unspecified size ...

fixes: 81737c1 mtd: Fix erasing of devices >4GiB

Several places erased a complete flash partition passing ~0 as count to
erase(). With the above commit count to erase was changed from an unsigned
type to a signed type, so the (count > f->size - offset) check in
erase() no longer triggers and the ~0 count is no longer adjusted to the whole
device size. Among other things this results in saveenv failures on NOR
flashes.
This patch fixes this by introducing an explicit macro for erasing the
whole device which is tested for in erase(). All other negative values
are rejected.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reported-by: Giorgio <giorgio.nicole@arcor.de>

stdio: Replace FILE functions with filedescriptor functions ...

We have defined stdin, stdout and stderr as integer file descriptors,
but normally they should be FILE *. Also fprintf, fputc and fputs take
file descriptors instead of FILE *. As FILE * are inconvenient in the
barebox environment replace the f* functions with the corresponding d*
functions. dprintf is POSIX conform whereas dputc and dputs are barebox
specific, but do not conflict with any stdc function. fgetc is unused
and can be removed without replacing it.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

stdio: replace fprintf(stderr,...) with eprintf ...

We have a shortcut for fprintf(stderr, so use it. This is done to
be able to remove fprintf in the next step.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

stdio: rename getc to getchar ...

The function we have implemented as getc has the semantics of the
standard function getchar, so rename it accorgingly.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

move unlink_recursive declaration to libfile.h ...

unlink_recursive is a file utility function, so move the prototype to
libfile.h

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

move make_directory declaration to libfile.h ...

As a utility function for file handling make_directory() is well
suited for libfile. Move it there.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

string: Fix (v)asprintf prototypes ...

Our asprintf and vasprintf have different prototypes than the glibc
functions. This causes trouble when we want to share barebox code
with userspace code. Change the prototypes for (v)asprintf to match
the glibc prototypes. Since the current (v)asprintf are convenient
to use change the existing functions to b(v)asprintf.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

libfile: move open_and_lseek() to libfile ...

libfile is a collection of helpers for handling files. open_and_lseek()
is a perfect match for this, so move it there.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

include: move crc specific stuff to crc.h ...

We have a crc.h, so move our crc function prototypes there to further
cleanup common.h.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>