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Add functions to build a Boot Error Record Table region based on
settings found in the MCA registers.
Two entries are reported for each error due to the nature of the ACPI
driver. The first is a Generic Processor Error, which the OS recognizes
and parses. Generic errors cannot convey much error description or
processor context. Therefore an IA32/X64 Processor Error is also added,
which allows reporting the values found in the MCA MSR registers.
Follow-on work could decode the MC errors more precisely, and better
completing the Generic Error and the Check structure. The current
level of support is sufficient to identify a (i.e., human readable)
problem in dmesg, and provides adequate context information for
analysis.
BUG=b:65446699
TEST=inspect BERT region, and dmesg, on full patch stack. Use test
data plus a failing Grunt system.
Change-Id: I4d4ce29ddefa22aa29e6d3184f1adeaea1d5f837
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/28477
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Convert the Machine Check reporting to use a newly defined structure.
This will facilitate later patches that will pass pointers to the MSR
values.
BUG=b:65446699
TEST=inspect BERT region, and dmesg, on full patch stack. Use test
data plus a failing Grunt system.
Change-Id: I0a98aecc83a0fa1c5ca7926849a89145a595d9ff
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/28476
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Move the process of interrogating the Machine Check registers into
its own file. This rearranges source code in preparation of supporting
a Boot Error Record Table, which stoneyridge will use to report latent
MC errors to the OS.
BUG=b:65446699
TEST=inspect BERT region, and dmesg, on full patch stack. Use test
data plus a failing Grunt system.
Change-Id: Ia3275e9135dc96ba4a717c9371f38843fa1e3e64
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/28475
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
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