| Commit message (Collapse) | Author | Age | Files | Lines |
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unlink_recursive is a file utility function, so move the prototype to
libfile.h
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Wjatscheslaw Stoljarski <wjatscheslaw.stoljarski@kiwigrid.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds (back) support for non volatile variables. Non volatile
variables are variables which are stored in the environment over
reboot. They are used in the same way as the global variables, but
with a 'nv' command and device. The variables are stored under
/env/nv/, one variable per file. Adding a nv variable automatically
adds a global variable with the same name. Changing a nv variable
also changes the same global variable, but not the other way round.
This allows for example to configure the username as:
nv user=sha; saveenv
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The doxygen documentation is long outdated. Remove it. It will
be replaced with sphinx based documentation later.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch does probably too much, but it's hard (and very
cumbersome/time consuming) to break it out. What is does is this:
* each command has one short description, e.g. "list MUX configuration"
* made sure the short descriptions start lowercase
* each command has one usage. That string contains just the
options, e.g. "[-npn]". It's not part of the long help text.
* that is, it doesn't say "[OPTIONS]" anymore, every usable option
is listed by character in this (short) option string (the long
description is in the long help text, as before)
* help texts have been reworked, to make them
- sometimes smaller
- sometimes describe the options better
- more often present themselves in a nicer format
* all long help texts are now created with BUSYBOX_CMD_HELP_
macros, no more 'static const __maybe_unused char cmd_foobar_help[]'
* made sure the long help texts starts uppercase
* because cmdtp->name and cmdtp->opts together provide the new usage,
all "Usage: foobar" texts have been removed from the long help texts
* BUSYBOX_CMD_HELP_TEXT() provides the trailing newline by itself, this
is nicer in the source code
* BUSYBOX_CMD_HELP_OPT() provides the trailing newline by itself
* made sure no line gets longer than 77 characters
* delibertely renamed cmdtp->usage, so that we can get compile-time
errors (e.g. in out-of-tree modules that use register_command()
* the 'help' command can now always emit the usage, even without
compiled long help texts
* 'help -v' gives a list of commands with their short description, this
is similar like the old "help" command before my patchset
* 'help -a' gives out help of all commands
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The old output of "help" was just producing a long list, that usually
scrolled of the screen (even on a X11 terminal). This list is more
compact, and also sorted by groups.
The old output format (plus grouping) is now available with 'help -v'.
Example:
Information commands:
?, devinfo, help, iomem, meminfo, version
Boot commands:
boot, bootm, go, loadb, loads, loadx, loady, saves, uimage
...
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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With the -s option loadenv first removes /env. Ignore it when this
directory does not exist.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We can compile barebox for multiple boards at once, but currently
they all share a single default environment. This patch adds a
defaultenv_append() which boards can call to customize the default
environment during runtime. Each board now generate default environment
snippets using bbenv-y and add them during runtime with defaultenv_append()
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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default_environment_path only exists when CONFIG_ENV_HANDLING is enabled.
Boards would have to #ifdef this if they wanted to use
default_environment_path. Use accessor functions instead which can
be ifdeffed on a single place.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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A lot of files rely on include/driver.h including include/of.h (and
this including include/errno.h. include the files explicitly so we can
eventually get rid of including of.h from driver.h
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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environment.h is for environment variables, not for the environment
storage (envfs), so move the prototypes to envfs.h
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This implements two new options for the loadenv command:
-s: removes (scrubs) old directory contents to be able to
create a fresh environment from for example /dev/defaultenv
-n: no overwrite. Do not overwrite existing files. This allows
to keep parts of the old environment.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The FSF address has changed in the past. Instead of updating it
each time the address changes, just drop it completely treewide.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is unused in all commands and thus can be removed.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Normally the default path to save the environment is /dev/env0. However,
we can't map a file in a fat filesystem to /dev/env0. So if we want to
store the environment in a file in fat we have to make it configurable.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This has been done with the following script:
find -path ./.git -prune -o -type f -print0 | xargs -0 -r sed -i \
-e 's/u2boot/barebox/g' \
-e 's/U2Boot/barebox/g' \
-e 's/U-boot V2/barebox/g' \
-e 's/u-boot v2/barebox/g' \
-e 's/U-Boot V2/barebox/g' \
-e 's/U-Boot-v2/barebox/g' \
-e 's/U_BOOT/BAREBOX/g' \
-e 's/UBOOT/BAREBOX/g' \
-e 's/uboot/barebox/g' \
-e 's/u-boot/barebox/g' \
-e 's/u_boot/barebox/g' \
-e 's/U-Boot/barebox/g' \
-e 's/U-boot/barebox/g' \
-e 's/U-BOOT/barebox/g'
find -path ./.git -prune -o \( -name "*u-boot*" -o -name "*uboot*" -o -name "*u_boot*" \) -print0 | \
xargs -0 -r rename 's/u[-_]?boot/barebox/'
It needs some manual fixup following in the next patch
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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No need to check for maximum argument counts. The commands are
safe to be called with more arguments, so lets safe some bytes.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For practical reasons I changed all string literals assumed to be constant
to reside in .rodata subsection at end of .text section.
Signed-off-by: Carsten Schlote <schlote@vahanus.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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