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the old code was specifing an absolute offset for
insertion of mrc.bin - cbfstool interprets anything
above 0x80000000 as top-aligned memory address in
x86, and anything below as an obsolute offset in
the flash, like with the old number
where a top-aligned address is provided to cbfstool,
the absolute position is calculated for the flash,
and cbfstool inserts it in the correct rom location
the benefit of this change is that the absolute
offset is now calculated automatically, which means
that the code will be correct even if the flash
size changes. for example, if 16MB flash is used
whereas 12MB is currently the default an support
haswell hardware
coreboot does not provide anything readably like
Kconfig, for extracting this value. it's baked
into the source code of coreboot, so you have to
find it. the correct location is hardcoded for
each platform, and always the same on each platform,
regardless of mainboard
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top-down function order, with specific functions for
each type of blob. startup logic moved into main(),
also split into smaller functions
"write one program that does one thing well"
blobutil is like that, and has this added philosophy:
"write one function that does one thing well"
during the course of this re-factoring, several bugs
and issues were found, that are pre-existing. these
will be corrected in follow-up revisions
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payload' (#65) from nic3-14159/lbmk:remove-no-payload-warning into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/65
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similar to the previous revision
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similar to the previous revision
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same as build/boot/roms
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I added this in upstream to prevent people from accidentally flashing
roms without a payload resulting in a no boot situation, but in
libreboot lbmk handles the payload and thus this warning always comes
up. This has caused confusion and concern so just patch it out.
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use make -BC instead of cd
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i added this in the last revision
it was put there to debug something that
i fixed before pushing
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bs 12k and count 1, rather than bs 1 and count 12k
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this cuttype is no longer used
lbmk creates truncated me setups now, on ifd platforms
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the logic can now more or less be read chronologically
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logic will be split from main into smaller
functions, in follow-up commits
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users reported it doesn't boot in recent releases, with the
february 2023 coreboot revision update
i have one in the lab, i'll just re-test it and fix whatever's
wrong for a future release
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python 3 is default now, in all the distros
specifically calling "python3" often doesn't work anymore
python2 is obsolete
let python2 die
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consolidated some for loops
removed errant code
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No more than 80 characters per line.
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previously, "normal" initmode relied on the vgarom-based
seabios config, which enables option roms, but then lbmk
would insert pci-optionrom-exec 0 for vgarom, and 2 for normal
in libreboot, coreboot roms with "vgarom" in the filename do
pci option rom execution from coreboot, and "normal" roms
do execution from seabios(where seabios is the only payload
provided on normal setups)
this is because payloads like grub can also be used, on vgarom
setups, where coreboot must handle oprom execution
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For Nvidia GPU models of Dell Latitude E6400
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This updates the dell_inspiron_1100.py script from Python 2 to 3 for
better compatibility (some distros have dropped Python 2), and adds
special handling so that it works with the Latitude E6400 BIOS.
These have also been sent upstream, so these patches can be dropped
once they are merged:
https://review.coreboot.org/c/bios_extract/+/74975/
https://review.coreboot.org/c/bios_extract/+/74976/
https://review.coreboot.org/c/bios_extract/+/74977/
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nobody will bother to upgrade the flash on those machines
not much point maintaining the 8/16mb versions
might aswell do just the _4mb version
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the deleted patch (in this commit) was written to fix an
issue theoretically; it hasn't been fully tested, and some
people have reported strange issues since this patch was
merged - there is no proof that this patch causes them, but
removing this patch is the correct thing to do regardless
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from Riku_V/lbmk:parabola into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/13
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i downloaded this file from git manually at some point,
when rebasing changes (i think it was the ec ones)
the logic in the file is correct but i forgot to mark
it executable
without this commit, lbmk fails utterly, on all the newer
intel boards
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This reverts commit fe2b72035fb58d2c0792daa62aa346da710f04a3.
The GRUB patch to fix the E6400 broke other systems and has been
reverted. As a result, GRUB needs to be disabled again on the E6400
until a better fix has been created.
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This reverts commit 1497ae045104145de677fd151da4de6e92be4e5a.
The blanket GRUB patch seems to break PS/2 keyboard handling across
other platforms, so revert it.
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This reverts commit 7bc4dc32ac3e430e50ace3a2876cf501f647b89f.
The E6400 keyboard should work in GRUB now so we can reenable it.
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This introduces a patch to grub which disables the coreboot
specific handling, allowing PS/2 keyboards to be handled the
same as i386-pc. However this alone breaks the keyboard in
Linux, requiring coreboot to perform PS/2 initialization.
I think GRUB may be restoring the original configuration of
the PS/2 controller once it exits, and if coreboot doesn't
initialize the controller then it's restored to the default
state which Linux doesn't seem to like. I think the emulated
keyboard interface provided by the EC on the E6400 behaves
in a non-standard way that is incompatible with the old
coreboot specific handling.
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ps/2 internal keyboard faulty in grub target
i386-coreboot, according to nic3-14159
normal i386-pc grub (bios grub) is fine,
booted from seabios
it is being investigated
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Tested the 4MiB ROMs but not the 8 or 16 MiB ones. This uses the same
board.cfg as the GM45 ThinkPads with an IFD+GBE from ich9gen.
Known issues:
- The internal keyboard does not work properly in GRUB. It seems like
the keyboard controller is outputing set 1 (XT) scancodes, but GRUB
is interpreting them as set 2 (AT) scancodes. This may also have
something to do with scancode translation. However, the keyboard works
fine in SeaBIOS and Linux. USB keyboards also work properly.
- The subsystem IDs in the GBE region are hardcoded for a Thinkpad in
ich9gen, though this doesn't seem to cause issues in Linux. The vendor
IFD and GBE region do have some differences from the generated
binaries, though they do not appear to be critical.
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