03 Dec, 2019
2 commits
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These don't need to be in common.h so move them out into a new header.
Also add some missing comments.Signed-off-by: Simon Glass
Reviewed-by: Tom Rini -
Drop inclusion of crc.h in common.h and use the correct header directly
instead.With this we can drop the conflicting definition in fw_env.h and rely on
the crc.h header, which is already included.Signed-off-by: Simon Glass
Reviewed-by: Tom Rini
05 Oct, 2019
1 commit
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This reverts commit 7d4776545b0f8a8827e5d061206faf61c9ba6ea9. The
changes here break environment validation and furthermore do not seem to
be required.Signed-off-by: Tom Rini
12 Aug, 2019
5 commits
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This file contains lots of internal details about the environment. Most
code can include env.h instead, calling the functions there as needed.Rename this file and add a comment at the top to indicate its internal
nature.Signed-off-by: Simon Glass
Acked-by: Joe Hershberger
Reviewed-by: Simon Goldschmidt
[trini: Fixup apalis-tk1.c]
Signed-off-by: Tom Rini -
U-Boot is not supposed to use typedef for structs anymore. Also this name
is the same as the ENTRY() macro used in assembler files, and 'entry'
itself is widely used in U-Boot (>8k matches).Drop the typedef and rename the struct to env_entry to reduce confusion.
Signed-off-by: Simon Glass
Acked-by: Joe Hershberger -
Move these functions to the new header file and rename set_default_env()
to env_set_default() so that it has a consistent env_ prefix.Acked-by: Joe Hershberger
Signed-off-by: Simon Glass -
Move this function to the new header file and rename it so it has an env_
prefix.Acked-by: Joe Hershberger
Signed-off-by: Simon Glass -
Move env_relocate() over to the new header file.
Signed-off-by: Simon Glass
Acked-by: Joe Hershberger
23 May, 2019
1 commit
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Solve compilation issue when cli_simple.o is used in SPL
and CONFIG_SPL_ENV_SUPPORT is not defined.env/built-in.o:(.data.env_htab+0xc): undefined reference to `env_flags_validate'
u-boot/scripts/Makefile.spl:384: recipe for target 'spl/u-boot-spl' failed
make[2]: *** [spl/u-boot-spl] Error 1
u-boot/Makefile:1649: recipe for target 'spl/u-boot-spl' failed
make[1]: *** [spl/u-boot-spl] Error 2Signed-off-by: Patrick Delaunay
26 Jan, 2019
1 commit
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Callers of env_import*() functions might want to check the case when we
have incorrect environment (with bad CRC). For example, when environment
location is being defined in env_load(), call chain may look like this:env_load() -> drv->load() = env_mmc_load() -> env_import()
Return code will be passed from env_import() all way up to env_load().
Right now both env_mmc_load() and env_import() return -EIO error code,
so env_load() can't differentiate between two cases:
1. Driver reports the error, because device is not accessible
2. Device is actually accessible, but environment is brokenLet's return -ENOMSG in env_import(), so we can distinguish two cases
mentioned above. It will make it possible to continue working with "bad
CRC" environment (like doing "env save"), instead of considering it not
functional (implemented in subsequent patch).Signed-off-by: Sam Protsenko
Reviewed-by: Simon Goldschmidt
16 Jan, 2019
1 commit
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Add the dollar_complete() function to auto-complete arguments starting
with a '$' and use it in the cmd_auto_complete() path such that all
args starting with a $ can be auto-completed based on the available env
vars.Signed-off-by: Boris Brezillon
[trini: Fix some linking problems]
Signed-off-by: Tom Rini
21 Jul, 2018
1 commit
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The error message should start with `## Error: ` so that it's easily
detectable by tests without needing to have a complex regexp for
matching all possible error message patterns.Let's add the `## Error: ` prefix to the error messages since it's the
one already in use.Suggested-by: Stephen Warren
Signed-off-by: Quentin Schulz
Reviewed-by: Simon Glass
Reviewed-by: Stephen Warren
Tested-by: Stephen Warren
20 Jul, 2018
3 commits
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The function set_default_env() sets the hashtable flags for import_r().
Formally set_default_env() doesn't accept flags from its callers. In
practice the caller can (un)set the H_INTERACTIVE flag, but it has to be
done using the first character of the function's string argument. Other
flags like H_FORCE can't be set by the caller.Change the function to accept flags argument. The benefits are:
1. The caller will have to explicitly set the H_INTERACTIVE flag,
instead of un-setting it using a special char in a string.
2. Add the ability to propagate flags from the caller to himport(),
especially the H_FORCE flag from do_env_default() in nvedit.c that
currently gets ignored for "env default -a -f" commands.
3. Flags and messages will not be coupled together. A caller will be
able to set flags without passing a string and vice versa.Please note:
The propagation of H_FORCE from do_env_default() does not introduce any
functional changes, because currently himport_r() is set to destroy the
old environment regardless if H_FORCE flag is set or not. More changes
are needed to utilize the propagation of H_FORCE.Signed-off-by: Yaniv Levinsky
Acked-by: Igor Grinberg -
The function set_default_vars() in common.c adds H_INTERACTIVE to the
h_import() flag, but the function has no way of telling if the command
actually was user directed like this flag suggest. The flag should be
set by the calling function do_env_default() in nvedit.c instead, where
the command is certainty user directed.Move the H_INTERACTIVE flag from set_default_vars() to do_env_default().
Signed-off-by: Yaniv Levinsky
Acked-by: Igor Grinberg -
The env_flag in do_env_default() doesn't get propagated and therefore
gets ignored by himport_r(). This breaks to ability to "forcibly" reset
variables to their default values using the environment command.Scenario example of the problem:
# setenv kernel uImage
# setenv .flags kernel:so
# env default -f kernel
## Error: Can't overwrite "kernel"
himport_r: can't insert "kernel=zImage" into hash tableChange the call path so it will pass the flag correctly.
Signed-off-by: Yaniv Levinsky
Acked-by: Igor Grinberg
07 May, 2018
1 commit
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.Signed-off-by: Tom Rini
17 Apr, 2018
1 commit
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Relocate env drivers if manual relocation is enabled. This
patch fixes the issue of u-boot hang incase if env is
present in any of the flash devices.Signed-off-by: Siva Durga Prasad Paladugu
Signed-off-by: Michal Simek
Reviewed-by: Simon Glass
01 Feb, 2018
2 commits
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There is more common code in mmc, nand and ubi env drivers that
can be shared by moving to env_import_redund.For this, a status/error value whether the buffers were loaded
are passed as additional parameters to env_import_redund.
Ideally, these are already returned to the env driver by the
storage driver. This is the case for mmc, nand and ubi, so for
this change, code deduplicated.Signed-off-by: Simon Goldschmidt
Acked-by: Maxime Ripard -
env_import (and env_import_redund) currently return 1 on success
and 0 on error. However, they are only used from functions
returning 0 on success or a negative value on error.Let's clean this up by making env_import and env_import_redund
return 0 on success and -EIO on error (as was the case for all
users before).Users that cared for the return value are also updated. Funny
enough, this only affects onenand.c and sf.cSigned-off-by: Simon Goldschmidt
Acked-by: Maxime Ripard
27 Jan, 2018
1 commit
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Since we have global messages to indicate what's going on, the custom
messages in the environment drivers only make the output less readable.Make the common code play a little nicer by removing all the extra output
in the standard case.Reviewed-by: Andre Przywara
Reviewed-by: Simon Glass
Signed-off-by: Maxime Ripard
21 Nov, 2017
1 commit
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This support has been deprecated since v2017.09 due to security issues.
We now remove this support.Signed-off-by: Tom Rini
04 Oct, 2017
1 commit
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U-Boot widely uses error() as a bit noisier variant of printf().
This macro causes name conflict with the following line in
include/linux/compiler-gcc.h:# define __compiletime_error(message) __attribute__((error(message)))
This prevents us from using __compiletime_error(), and makes it
difficult to fully sync BUILD_BUG macros with Linux. (Notice
Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().)Let's convert error() into now treewide-available pr_err().
Done with the help of Coccinelle, excluing tools/ directory.
The semantic patch I used is as follows:
//
@@@@
-error
+pr_err
(...)
//Signed-off-by: Masahiro Yamada
Reviewed-by: Simon Glass
[trini: Re-run Coccinelle]
Signed-off-by: Tom Rini
21 Aug, 2017
1 commit
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Some of these were missed in the conversion.
Signed-off-by: Simon Glass
16 Aug, 2017
5 commits
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We are now using an env_ prefix for environment functions. Rename these
other functions as well, for consistency:getenv_vlan()
getenv_bootm_size()
getenv_bootm_low()
getenv_bootm_mapsize()
env_get_default()Suggested-by: Wolfgang Denk
Signed-off-by: Simon Glass -
We are now using an env_ prefix for environment functions. Rename these
for consistency. Also add function comments in common.h.Suggested-by: Wolfgang Denk
Signed-off-by: Simon Glass -
We are now using an env_ prefix for environment functions. Rename these
two functions for consistency. Also add function comments in common.h.Quite a few places use getenv() in a condition context, provoking a
warning from checkpatch. These are fixed up in this patch also.Suggested-by: Wolfgang Denk
Signed-off-by: Simon Glass -
This is a strange name for a function that loads the environment. There is
now only one implementation of this function, so use the new env_load()
function directly instead.Signed-off-by: Simon Glass
Reviewed-by: Tom Rini -
We only have a single implementation of this function now and it is called
env_get_char(). Drop the old function and the weak version.Reviewed-by: Tom Rini
Signed-off-by: Simon Glass
15 Aug, 2017
6 commits
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This function is the same as env_get_char_spec() apart from dropping the
brackets. Drop the brackets from env_get_char_spec() and use that instead
of env_get_char_memory().Signed-off-by: Simon Glass
Reviewed-by: Tom Rini -
This function does nothing but call env_get_char_spec(). Drop it and
adjust its only caller.Signed-off-by: Simon Glass
Reviewed-by: Tom Rini -
The check for gd->env_valid is used in both the 'if' and 'else' part of
env_get_char(). Move it into that function instead for simplicity. Drop
that code from the two leaf functions.Signed-off-by: Simon Glass
Reviewed-by: Tom Rini -
This function is not used anywhere other than env_get_char(). Move the
code into that function.Reviewed-by: Tom Rini
Signed-off-by: Simon Glass -
These functions are not used outside this file. Make them static and order
them to avoid forward declarations.Signed-off-by: Simon Glass
Reviewed-by: Tom Rini -
About a quarter of the files in common/ relate to the environment. It
seems better to put these into their own subdirectory and remove the
prefix.Signed-off-by: Simon Glass
Reviewed-by: Tom Rini