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If users of the library are happy with the default, e.g. config file
name. They can pass NULL as the opts pointer. This simplifies the
transition of existing library users.
FIXES a compile error. since common_args has been removed by
a previous patch
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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for double buffering to work, redundant buffers must have equal size
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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checkpatch complains about in succeding patch. Prefer to fix all
declarations in a dedicated patch.
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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env library is broken as the config file pointer is only initialized
in main(). When running in the env library parse_config() fails:
Cannot parse config file '(null)': Bad address
Ensure that config file pointer is always initialized.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
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fw_senten/fw_printenv can be compiled as a tools library,
excluding the fw_env_main object.
Reported-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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fgets returns when the first '\n' is found
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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disabled original parsing, but not yet removed since the
argument indexing needs to be fixed
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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goal is to use getopt for all argument parsing instead of adhoc
parsing in fw_getenv/fw_setenv functions
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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passing argv/argc can produce off-by-one errors
Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>
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With gcc 5.2 and later we get a bunch of "error: unknown type name" for
'uint8_t', 'uint32_t' and friends.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
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Sometimes it can be useful to link the fw_ tools instead
of having the fw_setenv/fw_printenv installed.
Patch exports the tool as library and allowes to link it
with own programs.
Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Tom Rini <trini@konsulko.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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When for example generating/manipulating SD card/eMMC images which
contain U-Boot and its environment(s), it is handy to use a given
configuration file instead of the compiled-in default one.
And since the default configuration file is expected under /etc
it's hard for an usual linux user account without special permissions
to use fw_printenv/fw_setenv for this purpose.
So allow to pass an optional filename via a new '-c' command
line argument.
Example:
$ ln -s fw_printenv tools/env/fw_setenv
$ cat fw_env.config
test.img 0x20000 0x20000
test.img 0x40000 0x20000
$ tools/env/fw_printenv -c ./fw_env.config fdt_file
fdt_file=imx28-duckbill.dtb
$ tools/env/fw_setenv -c ./fw_env.config fdt_file imx28-duckbill-spi.dtb
$ tools/env/fw_printenv -c ./fw_env.config fdt_file
fdt_file=imx28-duckbill-spi.dtb
Signed-off-by: Michael Heimpold <mhei@heimpold.de>
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When building tools-only (or env) we need to be sure that we do use
<linux/kconfig.h> and do not use <generated/autoconf.h>. This will fix
problems such as running 'make defconfig' or 'make sandbox_config' and
then 'make tools-only'.
Based on the responses below to the thread add linux/kconfig.h higher in
the includes and drop the now unneeded autoconf.h lower down to ensure
the default environment is included correctly
http://lists.denx.de/pipermail/u-boot/2015-June/216849.html
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
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This patch fixes cross-compiling U-Boot tools with the musl C library:
* including <sys/types.h> is needed for ulong
* defining _GNU_SOURCE is needed for loff_t
Tested for target at91sam9261ek_dataflash_cs3.
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Cc: Tom Rini <trini@konsulko.com>
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Without this, when CONFIG_ENV_VARS_UBOOT_CONFIG is active we get
a compile time error when doing 'make env'.
In file included from tools/env/fw_env.c:117:0:
include/env_default.h:110:11: error: expected ‘}’ before ‘CONFIG_SYS_ARCH’
When building U-Boot this is included indirectly by the compiler switch
-include
/home/trdx/git.toradex.com/u-boot-2014.10-toradex/include/linux/kconfig.h
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
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For example on a raspberry pi the u-boot environment can be
saved in a file on the first VFAT partition.
This example illustrates how to use it with fw_printenv/fw_setenv.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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On architectures where 'long' is 64 bit, the u-boot environment
as seen by the fw_env tools was missing 4 bytes.
This patch fixes getenvsize(), and thus also ensures that the
environment's CRC32 checksum is calculated correctly.
Signed-off-by: Dominic Sacré <dominic.sacre@gmx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Tom Rini <trini@ti.com>
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When building the U-Boot tools for non-ELF platforms (such as Blackfin
FLAT), since commit 79fc0c5f498c3982aa4740c273ab1a9255063d9c
("tools/env: cross-compile fw_printenv without setting HOSTCC"), the
build fails because it tries to strip a FLAT binary, which does not
make sense.
This commit solves this by changing the stripping logic in
tools/env/Makefile to be similar to the one in tools/Makefile. This
logic continues to apply strip to the final binary, but does not abort
the build if it fails, and does the stripping in place on the final
binary. This allows the logic to work fine if stripping doesn't work,
as it leaves the final binary untouched.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Sonic Zhang <sonic.zhang@analog.com>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Reviewed-by: Sonic Zhang <sonic.zhang@analog.com>
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This commit enables Kconfig.
Going forward, we use Kconfig for the board configuration.
mkconfig will never be used. Nor will include/config.mk be generated.
Kconfig must be adjusted for U-Boot because our situation is
a little more complicated than Linux Kernel.
We have to generate multiple boot images (Normal, SPL, TPL)
from one source tree.
Each image needs its own configuration input.
Usage:
Run "make <board>_defconfig" to do the board configuration.
It will create the .config file and additionally spl/.config, tpl/.config
if SPL, TPL is enabled, respectively.
You can use "make config", "make menuconfig" etc. to create
a new .config or modify the existing one.
Use "make spl/config", "make spl/menuconfig" etc. for spl/.config
and do likewise for tpl/.config file.
The generic syntax of configuration targets for SPL, TPL is:
<target_image>/<config_command>
Here, <target_image> is either 'spl' or 'tpl'
<config_command> is 'config', 'menuconfig', 'xconfig', etc.
When the configuration is done, run "make".
(Or "make <board>_defconfig all" will do the configuration and build
in one time.)
For futher information of how Kconfig works in U-Boot,
please read the comment block of scripts/multiconfig.py.
By the way, there is another item worth remarking here:
coexistence of Kconfig and board herder files.
Prior to Kconfig, we used C headers to define a set of configs.
We expect a very long term to migrate from C headers to Kconfig.
Two different infractructure must coexist in the interim.
In our former configuration scheme, include/autoconf.mk was generated
for use in makefiles.
It is still generated under include/, spl/include/, tpl/include/ directory
for the Normal, SPL, TPL image, respectively.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Add missing aes.c placeholder which includes lib/aes.c . Without this
one, tools/env/ will fail to build.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Tested-by: Alexey Brodkin <abrodkin@synopsys.com>
Tested-by: Heiko Schocher <hs@denx.de>
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Conflicts:
drivers/net/Makefile
(trivial merge)
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We currently limit ourself to 16 characters for the device name to read
the environment from. This is insufficient for /dev/mmcblk0boot1 to
work for example. Switch to '%ms' which gives us a dynamically
allocated buffer instead. We're short lived enough to not bother
free()ing the buffer.
Signed-off-by: Tom Rini <trini@ti.com>
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Implement support for encrypting/decrypting the environment block
into the tools/env/fw_* tools. The cipher used is AES 128 CBC and
the implementation depends solely on components internal to U-Boot.
To allow building against the internal AES library, the library did
need minor adjustments to not include U-Boot's headers which are not
wanted to be included and define missing types.
Signed-off-by: Marek Vasut <marex@denx.de>
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Prior to Kbuild, $(TOPDIR) or $(SRCTREE) was used for
pointing to the top of source directory.
(No difference between the two.)
In Kbuild style, $(srctree) is used for instead.
This commit renames SRCTREE to srctree and deletes the
defition of SRCTREE.
Note that SRCTREE in scripts/kernel-doc, scripts/docproc.c,
doc/DocBook/Makefile should be keep.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Some NOR flash devices have a small erase block size. For example, the
Micron N25Q512 can erase in 4K blocks. These devices expose a bug in
fw_env.c where flash_write_buf() incorrectly calculates bytes written
and attempts to write past the environment sectors. Luckily, a range
check prevents any real damage, but this does cause fw_setenv to fail
with an error.
This change corrects the write length calculation.
The bug was introduced with commit 56086921 from 2008 and only affects
configurations where the erase block size is smaller than the total
environment data size.
Signed-off-by: Dustin Byford <dustin@cumulusnetworks.com>
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The assumed number of environment sectors (always 1) leads to an
incorrect top_of_range calculation in fw.env.c when a flash device has
an erase block size smaller than the environment data size (number of
environment sectors > 1).
This change updates the default number of environment sectors to at
least cover the size of the environment.
Also corrected a false statement about the number of sectors column in
fw_env.config.
Signed-off-by: Dustin Byford <dustin@cumulusnetworks.com>
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fw_printenv is a program which mostly runs on the target Linux.
Before switching to Kbuild, we needed to set HOSTCC at the
command line like this:
make HOSTCC=<your CC cross-compiler> env
Going forward we can cross compile it by specifying CROSS_COMPILE:
make CROSS_COMPILE=<your cross-compiler prefix> env
This looks more natural.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Tested-by: Gerhard Sittig <gsi@denx.de>
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This commit merges commonly-used header include paths
to UBOOTINCLUDE and NOSTDINC_FLAGS variables, which are placed
at the top Makefile.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Before this commit, makefiles under tools/ directory
were implemented with their own way.
This commit refactors them by using "hostprogs-y" variable.
Several C sources have been added to wrap other C sources
to simplify Makefile.
For example, tools/crc32.c includes lib/crc32.c
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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In-tree build:
- Do not create a symbolic link
from include/asm to arch/${ARCH}/include/asm
- Add ${SRCTREE}/arch/arm/include into the header search path
Out-of-tree build:
- Do not create a directory ${OBJTREE}/include2
- Do not create a symbolic link
from ${OBJTREE}/include2/asm to ${SRCTREE}/arch/${ARCH}/include/asm
- Add ${SRCTREE}/arch/arm/include into the header search path
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Signed-off-by: Oliver Metz <oliver@freetz.org>
Tested-by: Luka Perkov <luka@openwrt.org>
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Signed-off-by: Oliver Metz <oliver@freetz.org>
Tested-by: Luka Perkov <luka@openwrt.org>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
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Allow the user to specify two UBI volumes to use for the environment
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
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UBI is a better place for the environment on NAND devices because it
handles wear-leveling and bad blocks.
Gluebi is needed in Linux to access the env as an MTD partition.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
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In certain cases, memory device is present as flat file or block device (via
mmc or mtdblock layer). Do not attempt MTD operations against it.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
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Fix a comment in the fw_env.config file, no functional change.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
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