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otherwise, release=n is ignored and an image is built in
the elf/ directory, even if it's still skipped for bin/
avoid doing unnecessary work per-release by checking the
variables before building coreboot via script/trees
Signed-off-by: Leah Rowe <leah@libreboot.org>
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error out if it's not set. ditto projectsite.
that way, if the files are accidentally deleted, or not
added in a derivative of the build system, you'll know.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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don't have a separate variable for them.
just export them directly and use them directly.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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just like we do for coreboot images, do it for serprog.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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we don't need this message here, because the final confirmation
at the end of main() says which targets were built. saying what
individual rom images were built is just needless bloat,
especially with the new simplified lbmk design; we no longer
provide lots of rom images with different keymaps, because we
now expect the user to insert a gkb file themselves with cbfstool.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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because we use crossgcc here, blindly running trees -f
means needlessly re-running buildgcc, which then checks
for gcc binaries, even though we already know that the
u-boot binary exists. skip this check if u-boot exists.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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the names of these functions do not match their true
intent. fix that by renaming them appropriately.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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we're building it per coreboot configuration file, rather
than per-target; the latter is more appropriate, and saves
on compilation time.
do it per-target.cfg, not per coreboot configuration.
this works because the trees script compiles all images
per target, for each given coreboot configuration within
that target, e.g. libgfxinit _corebootfb and _txtmode.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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sometimes buildgcc just fails for like no reason. we had this
the other day and another fix was made to the trees script, to
mitigate; the user ran it again and buildgcc worked just fine.
run it twice, and then call err only if the second one fails.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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just run the make crossgcc command anyway.
coreboot's own build system checks itself, and much
more reliably, but the check is more thorough and a bit
slower.
in rare cases, lbmk may come into build issues with xgcc,
and if you run the build again, it will always fail every
time because the checks is based on whether the xgcc
directory exists, rather than checking each
individual crossgcc binary.
checking every binary is also possible, but as i said,
the coreboot build system already does that, so let's defer
to coreboot's own handling of it.
remove the directory check. this will slow down the build
process a little bit, but should improve reliability under
fault conditions.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the e() and setvars() functions need to be declared before
the dependencies function.
also: after calling install_packages, it was doing a return
when it should have done an exit.
this is all fixed now. i apologise to anyone who previously
ran into trouble with this!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Never, ever build images where GRUB is the primary payload.
These options have been removed from target.cfg handling:
* seabios_withgrub
* grub_withseabios
The "payload_grub" variable now does the same thing as
the old "seabios_withgrub" variable, if set.
The "grubonly" configuration is retained, and enabled by
default when SeaGRUB is enabled (non-grubonly also available).
Due to lbmk issue #216, it is no longer Libreboot policy to
make GRUB the primary payload on any board. GRUB's sheer size
and complexity, plus the large number of memory corruption issues
similar to it that *have* been fixed over the years, tells me
that GRUB is a liability when it is the primary payload.
SeaBIOS is a much safer payload to run as primary, on x86, due
to its smaller size and much more conservative development; it
is simply far less likely to break.
If GRUB breaks in the future, the user's machine is not
bricked. This is because SeaBIOS is the default payload.
Since I no longer wish to ever provide GRUB as a primary
payload, supporting it in lbmk adds needless bloat that
will later probably break anyway due to lack of testing,
so let's just assume SeaGRUB in all cases where the user
wants to use a GRUB payload.
You can mitigate potential security issues with SeaBIOS
by disabling option ROM execution, which can be done at
runtime by inserting integers into CBFS. The SeaBIOS
documentation says how to do this.
Libreboot's GRUB hardening guide still says how to add
a bootorder file in CBFS, making SeaBIOS only load GRUB
from CBFS, and nothing else. This, combined with the
disablement of option ROM execution (if using Intel
graphics), pretty much provides the same security benefits
as GRUB-as-primary, for example when setting a GRUB password
and GPG checks, with encrypted /boot as in the hardening guide.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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due to lbmk issue #216, it is now unwise to use grub as the
primary payload on any machine; the sheer complexity of grub
and the number of memory corruption bugs that have been fixed
due to auditing over the years, means more such bugs exist.
we now provide seabios as the primary payload on all x86 ports,
but provide a "grubfirst" configuration where a bootorder file
in seabios can be added via cbfs, which tells seabios to load
grub from cbfs first, while still allowing use of the boot select
menu by pressing esc in seabios.
well, the "grubonly" option also disables the seabios esc menu,
so that *only* grub runs. there is no point in using this unless
you want to harden your setup, for example if you want to set up
encrypted /boot and boot that from grub, and have a grub password
disallowing unauthorised bootup of your machine.
see grub hardening guide;
https://libreboot.org/docs/linux/grub_hardening.html
at least as of today, 22 June 2024, that page already says
how to manually disable the seabios menu in the same way, if that
is the setup you want. alternatively, a user may be wily
enough to edit target.cfg for their board and compile a rom
that only has the grub payload in it, if that is what the user
wishes to do.
regardless, the default configurations provided by lbmk must never
be unsafe, norc should the build system support such unsafe
settings;
yes, grub as primary payload is technically still supported in
lbmk. actually, at the time of this revision, i have half a mind
to remove that functionality altogether, so that only seabios is
allowed as primary payload, when compiling a rom image that also
has grub, chainloading grub from the seabios menu instead.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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it's bloat. telling the user to rtfm is something that
we already do on irc; they will still ask how to do
everything, and ignore the message from badcmd(), or
they will automatically know to rtfm.
i'm on a massive purge, removing bloat from lbmk as
part of Libreboot Build System Audit 6.
all bloat must go.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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replace it with logic that simply uses "." to load
files directly. for this, "vcfg" is added as a variable
in coreboot target.cfg files, referring to a directory
in config/vendor/ containing a file named pkg.cfg, and
this file then contains the same variables as the
erstwhile config/vendor/sources
config/git files are now directories, also containing
pkg.cfg files each with the same variables as before,
such as repository link and commit hash
this change results in a noticeable reduction in code
complexity within the build system.
unified reading of config files: new function setcfg()
added to lib.sh
setcfg checks if a config exists. if a 2nd argument is
passed, it is used as a return value for eval, otherwise
a string calling err is passed. setcfg output is passed
through eval, to set strings based on config; eval must
be used, so that the variables are set within the same
scope, otherwise they'd be set within setcfg which could
lead to some whacky results.
there's still a bit more more to do, but this single change
results in a substantial reduction in code complexity.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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do not use shorthand here. the test was failing to
produce the desired result under some circumstances,
for example when i did "./update release" i got this:
make: Entering directory '/home/lbdev/lbmk/release/20240612-62-ga6b1a6bd/libreboot-20240612-62-ga6b1a6bd_src/src/stm32-vserprog'
make: *** No rule to make target 'fetch'. Stop.
make: Leaving directory '/home/lbdev/lbmk/release/20240612-62-ga6b1a6bd/libreboot-20240612-62-ga6b1a6bd_src/src/stm32-vserprog'
ERROR script/trees: !mk src/stm32-vserprog fetch
ERROR ./update: excmd: script/trees -f
ERROR script/roms: Unhandled non-zero exit: ./update
ERROR ./build: excmd: script/roms serprog
ERROR ./update: build_release release/20240612-62-ga6b1a6bd: stm32
ERROR ./update: can't build rom images
in the above circumstance, run_make_command was executed,
which is not the desired behaviour; rather, fetch_project_trees
or fetch_project_repo should be called, and then the script
should immediately exit. it should also exit, without downloading
anything, if a changelog file exists as in release archives.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <info@minifree.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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This reverts commit 3610667e3db08ff1db4f7784ff5a879d8aebce9d.
The output of some functions in the roms script are used as
an argument in cp and mv commands, also cbfstool. I overlooked
this fact in a previous code optimisation.
Revert it. The change only reduced sloccount by a few lines
anyway.
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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i tried to be clever with this one, but it just made
the script exit with an error.
revert back to the old check (check whether one of
either repo or repo backup is set)
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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this is bloat, because it's something the user can already
do at runtime configuration anyway.
set it to a reasonable default of 8 seconds instead of 5,
and don't honour the timeout variable in target.cfg.
this will be documented in the next release.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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i disabled a check in the script, while testing a prior
modification. re-introoduce the check, which is put there
to yield an error condition if no targets were compiled.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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payloads are compiled before coreboot, but it doesn't matter
to the build speed whether this is done first.
reduce the lines of code by checking payload builds *while*
adding them to the coreboot images. this means that coreboot
is now compiled first, before the payloads.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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this makes the build_payloads() function nicer to read
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it's only meaningfully used once, so just hardcode
the string, which is not set dynamically anyway.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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use eval to avoid having two mv commands
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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