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A user had TMUX_TMPDIR set, which broke the TMPDIR check
Signed-off-by: Leah Rowe <leah@libreboot.org>
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already of saying "found", say "already exists"
this means the output of these commands more user
friendly and intuitive:
./update trees -b grub default
./update trees -b coreboot i945
this is just an example. when an ELF file already
exists, the build is skipped even if src isn't downloaded.
this design is intentional, because it means that you can
use previous builds if you want to save time on another.
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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adding help again is a bad idea. code should never
document itself; that's what documentation is for.
so, make the code do a better job telling the user
where to find documentation.
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 will be used in subsequent revisions
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Re-add xHCI only on haswell and broadwell machines, where
they are needed. Otherwise, keep the same GRUB code.
The xHCI patches were removed because they caused issues
on Sandybridge-based Dell Latitude laptops. See:
https://codeberg.org/libreboot/lbmk/issues/216
The issue was not reported elsewhere, including on the
Haswell/Broadwell hardware where they are needed, but the
build system could only build one version of GRUB.
The older machines do not need xHCI patches, because they
either do not have xHCI patches, or work (in GRUB) because
they're in EHCI mode when running the payload.
So, the problem is that we need the xHCI patches for GRUB
on Haswell/Broadwell hardware, but the patches break
Sandybridge hardware, and we only had the one build of GRUB.
To mitigate this problem, the build system now supports
building multiple revisions of GRUB, with different patches,
and each given coreboot target can say which GRUB tree to use
by setting this in target.cfg:
grubtree="xhci"
In the above example, the "xhci" tree would be used. Some
generic GRUB config has been moved to config/data/grub/
and config/grub/ now looks like config/coreboot/ - also,
the grub.cfg file (named "payload" in each tree) is copied
to the GRUB source tree as ".config", then added to GRUB's
memdisk in the same way, as grub.cfg.
Several other design changes had to be made because of this:
* grub.cfg in memdisk no longer automatically jumps to one
in CBFS, but now shows a menuentry for it if available
* Certain commands in script/trees are disabled for GRUB,
such as *config make commands.
* gnulib is now defined in config/submodule/grub/, instead
of config/git/grub - and this mitigates an existing bug
where downloading gnulib first would make grub no longer
possible to download in lbmk.
The coreboot option CONFIG_FINALIZE_USB_ROUTE_XHCI has been
re-enabled on: Dell OptiPlex 9020 MT, Dell OptiPlex 9020 SFF,
Lenovo ThinkPad T440p and Lenovo ThinkPad W541 - now USB should
work again in GRUB.
The GRUB payload has been re-enabled on HP EliteBook 820 G2.
This change will enable per-board GRUB optimisation in the
future. For example, we hardcode what partitions and LVMs
GRUB scans because * is slow on ICH7-based machines, due
to GRUB's design. On other machines, * is reasonably fast,
for automatically enumerating the list of devices for boot.
Use of * (and other wildcards) could enable our GRUB payload
to automatically boot more distros, with minimal fuss. This
can be done at a later date, in subsequent revisions.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it doesn't build, at present, but isn't used by any
coreboot targets, so the build issue does not come up
during release builds, but i did find it laying around
during my audits.
x86 qemu is on todo for libreboot, on all x86 boards,
but the current config is broken, so: remove it.
it's very much a requirement that anything in lbmk should
work.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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very unlikely to exist. in fact, should i remove it?
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it's very unlikely that someone would use this
directory name nowadays, and i had half a mind
to remove it altogether
Signed-off-by: Leah Rowe <leah@libreboot.org>
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in practise, the machines we support don't have
the option of including so many disks; 8 seems like
the most reasonable default. additionally, it's
unreasonable to expect *20 partitions*
this hardcoding is done to avoid using *, which is
slow in grub on some machines (the grub kernel always
re-enumerates the devices during every operation,
without caching any of it)
yet, the hardcoding is also slow; balance it a bit
better by searching fewer permutations, but not so few
that it would likely break a lot of setups
Signed-off-by: Leah Rowe <leah@libreboot.org>
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we already supported syslinux but not grub
support grub by scanning for the most common paths,
based on the most popular distros
we don't hardcode this with * because it slows down
the boot, and in practise many distros still use the
same grub.cfg location as in BIOS systems (the EFI
one is often just a link to the BIOS one)
Signed-off-by: Leah Rowe <leah@libreboot.org>
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in the next revision, i will add ESP paths
Signed-off-by: Leah Rowe <leah@libreboot.org>
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this is a relic from the old days when we didn't
automated the grub.cfg logic as much. these days,
the grub.cfg logic is able to boot almost all distros
without any manual intervention or override.
removing these entries will speed up the boot in general
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the path "/boot/EFI" is unnecessary because the ESP
is always a FAT32 partition, so we don't need to
scan it as a subdirectory within a subdirectory.
the ESP is always mounted as its own partition,
FAT32, and EFI/ is always at the root of it
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the esp is always a fat32 partition so this makes no sensgrub.cfg: don't scan EFI on btrfs subvols
the esp is always a fat32 partition so this makes no sense
Signed-off-by: Leah Rowe <leah@libreboot.org>
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lukeshu/lbmk:lukeshu/i686 into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/218
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dl_fail is set to n and then immediately to y afterward
why?
clearly i was dehydrated
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the reason for it is because sometimes the coreboot build
system auto-downloads submodules which we don't want.
however, we now pass UPDATED_SUBMODULES=1 in make, which
disables this behaviour in coreboot's build system.
therefore, remove this unnecessary logic.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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we don't need to do it in the release function
Signed-off-by: Leah Rowe <leah@libreboot.org>
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cbmk revision:
cdce8ba70b863ea3fe0ad7a4d7b27d0c5ca30421
as of date 30 May 2024
Canoeboot provides deblobbing, fully, on all sources, so
as to provide a GNU FSDG compliant coreboot distro.
Libreboot used to do this but now uses a more pragmatic
Binary Blob Reduction Policy, allowing better hardware
support in general. See:
https://libreboot.org/news/policy.html
Well! We sometimes still need to delete files in Libreboot,
but for other reasons. For example, the poorly licensed
strlcat.c file that we delete from U-Boot, in both projects.
I currently hardcode such deletions in lbmk. After this
revision, I will start using "nuke.list" files as in cbmk.
Simply patching the sources to exclude such files, in this
context, is not OK because then we are still including them
but as diffs. This is why the nuke() function exists.
Import Canoeboot's nuke technology.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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these laptops do not officially have nvme slots on them,
but there is an ngff wifi slot which is PCI-E x1, and you
can use a special adapter on it to run nvme ssds.
total throughput is retarded by the x1 PCI-E configuration,
but it's still faster than a sata ssd (nvmes are x4 PCI-E).
support it in grub_scan_disk on the off chance that some
users may make use of this. it should work just fine.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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We use a path of /dev/null pointing to a ROM for
Fam15h AMD boards, to add fake PIKE2008 images.
This is to mitigate a hang in SeaBIOS, but now with
recent changes, this causes the command below to
download coreboot, when it should just exit saying
no vendor files needed. Prevent accidentally wasted
bandwidth. The command was:
./vendor download kcma_d8_rdimm_16mb
This now correctly does the following:
$ ./vendor download kcma_d8_rdimm_16mb
Vendor files not needed for: kcma_d8_rdimm_16mb
The joys of programming a build system in sh!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Command: ./vendor download kcma-d8-rdimm_16mb
Output was:
include/lib.sh: line 115: kcma-d8-rdimm=config/vendor: No such file or directory
That will have to be audited later on, but the recent
more stringent error checking in vendor.sh triggered
this previously untriggered error message. The error
was in fact already occuring before, silently.
Anyway, mitigate by renaming all coreboot targets so
that they do not contain hyphens in the name. This
should avoid triggering errors in that eval command,
on line 115 in lib.sh
Signed-off-by: Leah Rowe <leah@libreboot.org>
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By default, the build system does set -u -e
Some errors are unavoidable and have to be handled, so
we have to set +u +e (turn off error handling in sh),
when downloading vendor files, but only certain parts of
vendor.sh trigger errors (which cause an exit).
Replace the current bazooka approach with a more fine
grained approach, turning error handling back on again
when it is safe to do so.
In the parts of the code where it is disabled, the code
is written very, very carefully, with errors still handled
manually, but more careful auditing is required.
This change has been tested and makes the command much
safer to run. In security (or any bug auditing), it is
the principle of least privilege that holds true.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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e.g. coreboot/default contains no config directory, so
the old logic would be trying to do:
.
which is obviously invalid
now for example:
$ ./vendor download default
Vendor files not needed for: default
and it will exit with zero status
the only thing that should ever return non-zero status
is when you define a target that does not exist, config
or no.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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this effectively lets you change the boot order. example:
./build roms -s "nvme ata" t1650_12mb
the above example would set:
grub_scan_disk="nvme ata"
another example:
./build roms -s nvme t1650_12mb
this would set:
grub_scan_disk="nvme"
this overrides what's set in target.cfg for the given
target. useful for quick reconfiguration if building
from source
Signed-off-by: Leah Rowe <leah@libreboot.org>
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replace variables ahcidev/atadev/nvmedev with a single
one named bootdev
the for loop goes through grub_scan_disk, so now it is
effectively a bootorder configuration
Signed-off-by: Leah Rowe <leah@libreboot.org>
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i already do this on crossgcc, but overlooked it on regular
builds where i just use -j, but coreboot's build system
makes use of the CPUS= option in make
use XBMK_THREADS for 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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Signed-off-by: Leah Rowe <leah@libreboot.org>
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it has always been gpl 3 or later, but it helps to have
the license declaration within the file
there's a copying file anyway. put spdx in the config
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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A subsequest revision will set them again as needed,
per coreboot target.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Previously, grub_scan_disk could set ata, ahci or "both",
which would make both be tried (ahci first). This worked
when we only dealt with ata and ahci devices, but now we
support nvme devices so the logic is inherently flawed.
Instead, use grub_scan_disk to store the boot order, e.g.:
grub_scan_disk="ahci nvme ata"
grub_scan_disk="nvme ata"
In the first example, it would make GRUB scan ahci first,
then nvme and then ata.
In the secontd example, it would make GRUB scan nvme first,
and then ata.
If "both" is set, or anything other than ahci/ata/nvme,
grub_scan_disk is now changed to "nvme ahci ata".
Actual grub_scan_disk entries in target.cfg files will now
be modified, to match each machine.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Fixes this bug:
https://codeberg.org/libreboot/lbmk/issues/216
Well, fix is the wrong word. We want xHCI ideally.
Mate is working on it as I write this. I've also:
* Disabled CONFIG_FINALIZE_USB_ROUTE_XHCI on Haswell
boards (coreboot)
* Disabled the GRUB payload on HP 820 G2 for now
We will need to re-add the xHCI patches once fixed.
If Mate/we can't fix it, I'll contact Patrick
Rudolph who originally wrote the xHCI patches.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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rather than if seabios_grubonly=y
if grubonly=y, still make the grubonly rom
this complements the previous commit
Signed-off-by: Leah Rowe <leah@libreboot.org>
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See:
https://codeberg.org/libreboot/lbmk/issues/216
Almost all users will be OK running GRUB, but a
minority of users have experienced a fatal error
pertaining to grub_free() or grub_realloc() (as
my investigation of GRUB sources reveal when grepping
the error reported in the link above).
We don't yet know what the bug is, only that the
error occurs, leading to an effective brick if the
user has GRUB as their primary payload.
So far, it has only been reported on some Intel
SandyBridge-based Dell Latitudes in Libreboot, but
we can't be too sure.
The user reported that memtest86+ passes just fine,
and SeaBIOS works; BIOS GRUB also works, which means
that the bug is likely only in an area of GRUB that
runs specifically on the coreboot payload, so it's
probably a driver in GRUB when running on the metal
rather than BIOS/UEFI.
The build system supports a configuration whereby
SeaBIOS is the primary payload, but GRUB is available
in the SeaBIOS boot select menu, and an additional
configuration is available where GRUB is what SeaBIOS
executes first (while still providing boot select);
both of these are now the *only* configurations
available, on all x86 targets except QEMU.
The QEMU target is fine because if the bug occurs there,
you can just close QEMU and try a different image.
Even after this bug is later identified and fixed,
the GRUB source code is vastly over-engineered and there
are likely many more such bugs. SeaBIOS is a reliable
payload; the code is small and robust. Remember always:
Code
equals
bugs
Therefore, this configuration change is likely going
to be permanent. This will apply in the next release.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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I've rebased the workaround-mx patch as follows. See:
commit 9a11cbf21a5078bcdb8db7584c44a9ee17020db4
Author: Nico Huber <nico.h@gmx.de>
Date: Fri Jan 13 01:19:07 2023 +0100
Let the flash context directly point to the used master
This change, now upstream in flashprog, made me have to do this in
the patch. I changed this:
flash->mst->spi.command(flash, sizeof(cmd), sizeof(buf), cmd, buf);
to this:
flash->mst.spi->command(flash, sizeof(cmd), sizeof(buf), cmd, buf);
It should work fine. This update imports the following upstream
patches from flashprog:
* 5b4fdd1 z60_flashprog.rules: Add udev rule for CH347
* 72c9e40 meson: Check for CPU families with known raw mem access
* 3458220 platform/meson: Port pciutils/pci.h workaround to Meson
* f279762 platform/meson: Check for libi386 on NetBSD
* 14da5f7 README: Convert to Markdown
* 8ddea57 README: Document branching and release policy
* 2522456 util/list_yet_unsupported_chips.sh: Fix path
* cbf9c11 spi: Don't cross 16MiB boundaries with long writes
* 823a704 dediprog: Skip warning on first attempt to read device string
* e8463c8 dediprog: Revise prefix check for given programmer id
* 38af1a1 dediprog: Revise id matching
* 4661e7c amd_spi100: Use flashprog_read_chunked() for progress reporting
* cdcfda2 read_memmapped: Use flashprog_read_chunked() for progress reporting
* 7679b5c spi25: Replace spi_read_chunked() with more abstract version
* ca1c7fd spi25: Normalize parameters of spi_nbyte_read()
* e36e3dc dediprog: Use default_spi_write_256
* 522a86d linux_spi: Use default_spi_read()/_write_256()
* 806509b cli_classic: Turn progress reporting into a progress bar
* 842d678 libflashrom: Return progress state to the library user
* aa714dd flashprog.c: Let select_erase_functions() return byte count
* 2eed4cf serprog: Add SPI Mode and CS Mode commands
* 821a085 dediprog: Implement id reading for SF600 and later
* 274e655 dediprog: Read device string early
* 0057822 dediprog: Add protocol detection for SF700 & SF600Plus-G2
* fb176d2 dediprog: Use more general 4BA write mode for newer protocols
* 0ab5c3d dediprog: Split device type and version parsing
* bdef5c2 dediprog: Use unsigned conversions to parse device string
* 5262e29 dediprog: Try to request 32B device string (instead of 16B)
* e76e21f dediprog: Get rid of some unnecessary hex constants
* 5a09d1e udelay: Lower the sleep vs delay threshold
* 03ad4a4 linux_mtd: Provide no-op delay implementation
* 211c6ec serprog: Refine flushing before synchronization
* 383b7fe serprog: Test synchronicity before trying to synchronize
* d7318ea serprog: Move synchronicity test into separate function
* 9a11cbf Let the flash context directly point to the used master
* aabb3e0 writeprotect: Hook wp functions into the chip driver
* 89569d6 memory_mapped: Reduce `decode_sizes` to a single `max_rom_decode`
* 929d2e1 internal: Pass programmer context down into chipset enables
* 7c717c3 internal: Pass programmer context down into board enables
* e3a2688 Pass programmer context to programmer->init()
* 2b66ad9 Start implementing struct flashprog_programmer
* 4517e92 memory_bus: Drop stale `size == 0` workaround and FIXME
* b197402 memory_bus: Split register mapping into own function
* 0e76d99 memory_bus: Move (un)map_flash_region into par master
* 9eec407 Perform default mapping only for respective chips
* 56b53dd wbsio_spi: Request memory mapping locally
* 5596190 it87spi: Request memory mapping locally
* 46449b4 spi25: Drop stale `bus == SPI` guards
* ab6b18f spi25: Move 4BA preparations into spi_prepare_4ba() hook
* 901fb95 Add prepare/finish_access() hooks for chip drivers
* a96aaa3 dediprog: Support long writes of 16MiB and more
* 1338936 Consider 4BA support when filtering erase functions
* 8d36db6 flashprog.8: Fix up serprog example
* d2ac303 flashprog.8: document new serprog cs parameter
* d1b9153 chipset_enable.c: Add Genoa to mendocino entry
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 forgot to do this in the recent cleanup. it is now
initialised as a variable named "x"
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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otherwise, git could be initialised as root.
running as root is not allowed.
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 was checking whether it's a directory, whereas i should
have been checking whether it's a file. this is a workaround
put in place in case someone downloaded a tarball from codeberg
which is pre-generated per commit. in this situation, the
version and versiondate files do not exist, but the design
of the build system requires that they do exist.
the existing check is correct except for this bug, so fix
the bug. check that they are files, not directories
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it wasn't being reset before. when coreboot is being
built, i add to makeargs every time. if multiple targets
are being built, the make command would end up looking
something like:
make -C src/coreboot/default UPDATED_SUBMODULES=1 \
UPDATED_SUBMODULES=1
(the parameter would be printed twice)
of course, this doesn't check whether that parameter is
added already in target.cfg for a given target, but that's
ok because i won't add that one in target.cfg
i baked it into the code, only when handling coreboot,
because that was easier than either putting it in makeargs
for every coreboot target.cfg, or again modifying the code to
handle that; the current solution is the cleanest.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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