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This updates Intel's microcode updates for the CPU models we currently
track to the latest release. These include meltdown/spectre mitigations.
Source: https://downloadcenter.intel.com/download/27591
Applying the scripts results in changes to the models with CPU ID 206ax,
306ax, 306cx and 4065x. I tested this on a Thinkpad X230 (model 306ax).
The revision is then 1f instead of 1b; (dmesg|grep microcode); loaded
by coreboot (not Linux).
Change-Id: Idf5aa85681391707822bbfe493cff269ff2b88eb
Tested-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Martin Kepplinger <martink@posteo.de>
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Intel's microcode is a binary that has been converted to
an array of 32bit values. Instead of converting that back
to binary on every compile, just store the microcode as
a binary in the first place, and add that binary to CBFS.
This patch adds a script that takes all current Intel microcode.h
files and produces microcode.bin files. In addition, this patch
also adds all the microcode.bin files produced by the script.
Change-Id: Ia2712b50b49685f3eb781c0c68168ea1914350f8
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Microcode files will need to be added to this repository before they
can be removed from the main coreboot repo. Add them in anticipation
of this change. The script was updated to pull the latest microcode.
These files were extracted using the update-microcodes.sh script, and
may not necessarily match the updates currently present in the main
repository.
Change-Id: I30d41ff31b1ebb6aaeb773c2c663d7176d27060d
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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Rather than simply extracting the microcode updates, also create a
microcode.h header for each model, to include the extracted microcode
updates.
This should make maintenance easier, as coreboot code will be able to
simply include the "microcode.h" files in 3dparty rather than having
to update the includes every time the microcodes are updated in here.
Change-Id: I7abd81f984b1a61aeb6041d85b366e9a45c59421
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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Add the update-microcodes.sh script in anticipation of removing the
microcode updates from the main coreboot repository.
The script is copied verbatim from main repository.
Change-Id: I4d07d48646d71d58b5be329a24352ec04ae2f02d
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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