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This patch fixes the boot hang due to commit 053a45bcdb3ccf8 ("cpu/x86/lapic: Fix X2APIC_ONLY regression") on platform which selects X2APIC_LATE_WORKAROUND config.
[EMERG] Switching from X2APIC to XAPIC mode is not implemented.
Without this patch: Boot gets stuck inside at BS_WRITE_TABLES when enable_lapic() gets called after X2APIC mode has been enabled. The fix is to change enable_lapic() to track when late enablement for X2APIC mode happens with X2APIC_LATE_WORKAROUND.
TEST=Able to build and boot google/rex to chromeos.
Change-Id: I41e72380e9cfb59721d0df607ad875d7b6546974
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76384
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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At the time of writing SMM runtime does not make register
accesses to LAPIC registers, but such breakage has been
reported.
S3 resume failure, where OS switched back from X2APIC
to XAPIC mode, can be reproduced with a sandybridge SKU
that has VT-d disabled.
Change-Id: I300ba87c3d8fde548dbaf95703bd7e2fe54cff57
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76196
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
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Some ancient CPUs may have had LAPIC disabled at power-up, so
semantically enable_lapic() should always come before attempting
to access the register banks.
With X2APIC_ONLY option it is necessary to ensure enable_lapic()
is called prior to any other lapic register space accesses,
since the XAPIC mode MMIO accessors are optimised away build-time
and CPU's do not yet initialise for X2APIC mode at reset.
Change-Id: I96eaa5c43108c802375e184e0c68b5091ca0198f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76195
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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Change-Id: Ic00358ee5b05d011a95d85ec355adef71c39a529
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76193
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The prefix POSTCODE makes it clear that the macro is a post code.
Hence, replace related macros starting with POST to POSTCODE and
also replace every instance the macros are invoked with the new
name.
The files was changed by running the following bash script from the
top level directory.
sed -i'' '30,${s/#define POST/#define POSTCODE/g;}' \
src/commonlib/include/commonlib/console/post_codes.h;
myArray=`grep -e "^#define POSTCODE_" \
src/commonlib/include/commonlib/console/post_codes.h | \
grep -v "POST_CODES_H" | tr '\t' ' ' | cut -d ' ' -f 2`;
for str in ${myArray[@]}; do
splitstr=`echo $str | cut -d '_' -f2-`
grep -r POST_$splitstr src | \
cut -d ':' -f 1 | xargs sed -i'' -e "s/POST_$splitstr/$str/g";
grep -r "POST_$splitstr" util/cbfstool | \
cut -d ':' -f 1 | xargs sed -i'' -e "s/POST_$splitstr/$str/g";
done
Change-Id: I25db79fa15f032c08678f66d86c10c928b7de9b8
Signed-off-by: lilacious <yuchenhe126@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76043
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
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Since we now explicitly compile both ramstage and smihandler code
without floating point operations and associated registers we don't need
to save/restore floating point registers.
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I180b9781bf5849111501ae8e9806554a7851c0da
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
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Improve boot time performances by replacing the wbinvd instruction
with multiple clflush to ensure that the SIPI data is written back to
RAM.
According to some experimental measurements, the wbinvd execution
takes between 1.6 up and 6 milliseconds to complete. In the case of
the SIPI data, wbinvd unnecessarily flushes and invalidates the entire
cache. Indeed, the SIPI module is quite small (about 400 bytes) and
cflush'ing the associated cache lines is almost instantaneous,
typically less than 100 microseconds.
BUG=b/260455826
TEST=Successful boot on Skolas and Rex board
Change-Id: I0e00db8eaa6a3cb41bec3422572c8f2a9bec4057
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Suggested-by: Erin Park <erin.park@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75391
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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Only the Intel Quark SoC selected this option and that SoC was dropped
in commit 531023285ea4 ("soc/intel/quark: Drop support"), so drop this
Kconfig option too.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ic4f1c7530cd8ac7a1945b1493a2d53a7904daa06
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75473
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I384d2f5148cd99ed4282acefaf19885e49d2e79d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75319
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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The comment got stale because a few elements from the struct got
dropped.
Change-Id: I83469e24dfab82b9182accb549960dd06d81e02f
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68894
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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%ebp is used for the stack frame on which the fxrstor address is pushed.
entry64.inc does not trash it so that's fine.
Change-Id: If027437dccac9ad507ceb534c6aae77ea43bdfda
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68896
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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The named choice isn't needed here, so get rid of it. This fixes the
build notice:
build/auto.conf:notice: override:reassigning to symbol LAPIC_ACCESS_MODE
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I70628007319a0ee2830dc4c9cb3b635d8190264b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75133
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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The BSP might have non-zero lapicid so set the topology accordingly,
without assuming it is 0. This fixes a cpu exception on at least Intel
Meteorlake. This was caused by FSP CPU PPI being giving incorrect
information about the BSP topology.
This problem was introduced by 8b8400a "drivers/fsp2_0/mp_service_ppi:
Use struct device to fill in buffer" which sets the PPI struct based on
struct device.
TESTED on google/rex
Change-Id: I3fae5efa86d8efc474c129b48bdfa1d1e2306acf
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74374
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This is needed to generate MADT and SRAT where lapicid for threads need
to be added last. When CPUID leaf '0xB' is not present assume some
defaults that would result in identical ACPI code generation.
Change-Id: I2210eb9b663dd90941a64132aa7154440dc7e5a9
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69222
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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On some systems the BSP cannot know how many CPUs are present in the
system. A typical use case is a multi socket system. Setting the enable
flag only on CPUs that actually exist makes it more flexible.
Change-Id: I6c8042b4d6127239175924f996f735bf9c83c6e8
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68892
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Don't pass the stub params to the mp_init code.
Change-Id: I070bc00ae5e5bceb6c5b90ea833cc057dd41f6cc
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64802
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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In the current design the relocatable parameters are used to know the
offset of the 32bit startpoint. This requires back and forward
interaction between the stub, the loader and the mp init code. This
makes the code hard to read.
This is static information known at buildtime, so a better way to deal
with this is to generate a header that contains this offset.
Change-Id: Ic01badd2af11a6e1dbc27c8e928916fedf104b5b
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64625
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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It's quite confusing to keep track of lapic ID inside the device
struct and initial lapic ID inside an array.
Change-Id: I4d9f8d23c0b0e5c142f6907593428d8509e4e7bb
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64342
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Use the newly introduced 'all_x86' make target to add the mode_switch.S
compilation unit to all stages that run on the x86 cores, but not to
verstage on PSP.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I8950375d31557d9a38169869c1d250417261c31c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74197
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
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Use the 'verstage_x86' make target for the mode_switch.S compilation
unit instead of making adding it to the 'verstage' target depending on
VBOOT_STARTS_BEFORE_BOOTBLOCK not being selected. The only case where
VBOOT_STARTS_BEFORE_BOOTBLOCK is selected is the verstage on PSP case,
so I find using the 'verstage_x86' target here a bit easier to
understand.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Iab618d4b9e325b07a648b91fcdce99c63644fbfc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74196
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Use the newly introduced 'all_x86' make target to add the compilation
unit to all stages that run on the x86 cores, but not to verstage on
PSP.
TEST=Timeless build for Mandolin results in identical image.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I181c3207bb1ebe9c5080ef3a3cdda8146ed05822
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74152
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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When cbmem is initialized in romstage and postcar placed in the stage
cache + cbmem where it is run, the assumption is made that these are
all in UC memory such that calling INVD in postcar is OK.
For performance reasons (e.g. postcar decompression) it is desirable
to cache cbmem and the stage cache during romstage.
Another reason is that AGESA sets up MTRR during romstage to cache all
dram, which is currently worked around by using additional MTRR's to
make that UC.
TESTED on asus/p5ql-em, up/squared on both regular and S3 resume
bootpath. Sometimes there are minimal performance improvements
when cbmem is cached (few ms).
Change-Id: I7ff2a57aee620908b71829457ea0f5a0c410ec5b
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37196
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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On IBM/SBP1 with 384 cores it takes a while for all APs
to check in. Use linear scaling instead of hardcoding an
arbitrary limit for the timeout.
Change-Id: If020a3fa985bfc7fd2f0aa836dc04e6647a1a450
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73369
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shuo Liu <shuo.liu@intel.com>
Reviewed-by: TangYiwei
Reviewed-by: Naresh <naresh.solanki.2011@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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The LOGICAL_CPUS Kconfig option is always true and also not user-
configurable, so it can be dropped.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ie4866de003058ec0f99495b405e26dfd7ba1fa28
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73553
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
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In certain cases data within protected memmory areas like SMRAM could
be leaked or modified if an attacker remaps PCI BARs to point within
that area. Add support to the existing SMM runtime to allow storing
PCI resources in SMRAM and then later retrieving them.
BRANCH=guybrush
BUG=b:186792595
TEST=builds
Signed-off-by: Robert Zieba <robertzieba@google.com>
Change-Id: I23fb1e935dd1b89f1cc5c834cc2025f0fe5fda37
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67931
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
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Move 'asmlinkage' before the function type for consistency.
Change-Id: I293590ef917b78c6ed3d151cd0080e42d0f10651
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73259
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add a Kconfig RUNTIME_CONFIGURABLE_SMM_LOGLEVEL that enables
mainboard to override mainboard_set_smm_log_level for SMM log level.
This can let SMM have different log level than other stages for
more flexibility.
Another reason is that getting certain data that requires searching
from flash VPD or CMOS is not very ideal to be done in SMM, so in this
change the value can be passed via the member variable in struct
smm_runtime and be referenced directly in SMM.
One example is that mainboard can get the desired SMM log level from
VPD/CMOS, and pass SMM console log level via the variable and in SMM
it can be referenced in get_console_loglevel() override function
directly.
Tested=On OCP Delta Lake, verified SMM log level can be overridden.
Change-Id: I81722a4f1bf75ec942cc06e403ad702dfe938e71
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49460
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
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Found-by: linter
Change-Id: I7c6d0887a45fdb4b6de294770a7fdd5545a9479b
Signed-off-by: Alexander Goncharov <chat@joursoir.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72795
Reviewed-by: Nicholas Chin <nic.c3.14@gmail.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Erik van den Bogaert <ebogaert@eltan.com>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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APs use a lot less stack, so set up a separate stack for those in .bss.
Now that CPU_INFO_V2 is the only code path that is used, there is no
need to align stacks in c_start.S.
Change-Id: I7a681a2e3003da0400843daa5d6d6180d952abf5
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69123
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
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After the previous patch this local variable is no longer the mpinit CPU
index, but the LAPIC ID, so rename it. Since it will only be set once,
it can also be marked as const.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I4fad4e1095478213727bee8586852f9d5a7d18e9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70798
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
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The cpu_index function can't be used before mpinit, so use lapicid calls
instead. This fixes the regression introduced by commit 4c3749884d71
("cpu/x86/mtrr: Print cpu index number when set up MTRRs for BSP/APs")
and also reverts also commit b3261661c703 ("cpu/x86/mtrr/mtrr: fix
printk format strings"), since lapicid returns an unsigned int while
cpu_index returns an unsigned long.
TEST=Mandolin boots again and doesn't fail when it first tries to print
the MTRR configuration
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I0d226704051ab171891775a618ce7897b74fde16
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70797
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
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Make sure that a pointer exists before dereferencing it.
Change-Id: I1a9833bb9686451224249efe599346f64dc37874
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70011
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
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Commit 4c3749884d71 ("cpu/x86/mtrr: Print cpu index number when set up
MTRRs for BSP/APs") added the CPU index number to some prints, but used
%x as format specifier. The cpu_index() call however has a return type
of unsigned long, so %lx needs to be used instead. For consistency, also
change the type of the cpu_idx local variable in commit_fixed_mtrrs to
unsigned long and adjust the printk format specifier accordingly.
TEST=The code builds again on my computer
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I4b68f8355932b2b75db5f453a0a735185b24b02f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70664
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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MTRR setup will be assigned to all APs. It's hard to debug
race condition without showing apic id.
Change-Id: Ifd2e1e411f86fa3ea42ed50546facec31b89c3e1
Signed-off-by: Kane Chen <kane.chen@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64467
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
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There is no need to pass the CPU index around.
Change-Id: Iad8e3cb318e6520ac5877118dbf43597dedb75b9
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69504
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
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There are four requirements for the SMI to hit a printk()
this commit now removes.
Build must have DEBUG_SMI=y, otherwise any printk() is a no-op
inside SMM.
ASL must have a TRAP() with argument 0x99 or 0x32 for SMIF value.
Platform needs to have IO Trap #3 enabled at IO 0x800.
The SMI monitor must call io_trap_handler for IO Trap #3.
At the moment, only getac/p470 would meet the above criteria
with TRAP(0x32) in its DSDT _INI method. The ASL ignores any
return value of TRAP() calls made.
A mainboard IO trap handler should have precedence over
a southbridge IO trap handler. At the moment we seem to have
no cases of the latter to support, so remove the latter.
Change-Id: I3a3298c8d9814db8464fbf7444c6e0e6ac6ac008
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70365
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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Change-Id: Id50ebecdaddcce426b15d535afcc3e755f2c5a35
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69336
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
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We have equivalent southbridge_smi_set_eos().
Change-Id: I03a48f0ec9efac2a220aa4ca502a5f504d78c585
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69668
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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Change-Id: Idca56583c1c8dc41ad11d915ec3e8be781fb4e48
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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Doing this in C code is way easier to understand. Also the thread local
storage is now in .bss instead of the AP stack. This makes it more
robust against stack overflows, as APs stacks overflow in each other.
TESTED: work on qemu.
Change-Id: I19d3285daf97798a2d28408b5601ad991e29e718
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69435
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This makes it easier to get the content of an msr into a full 64bit
variable.
Change-Id: I1b026cd3807fd68d805051a74b3d31fcde1c5626
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68572
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Change-Id: I2b611773e596bea4788b05a3f58485fb3e002402
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69362
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
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This reverts commit eb76a455cd39ec59b7f2ba28baeec9538befd59e
and applies minor fixes to make it build again.
PARALLEL_MP was working prior to board removal and no
relevant SMI handlers were implemented. So NO_SMM choice
is now selected.
Change-Id: Ia1cd02278240d1b5d006fb2a7730d3d86390f85b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69339
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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These symbols and codepaths are unused now so drop them.
Change-Id: I7c46c36390f116f8f8920c06e539075e60c7118c
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69361
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This code was never tested with SSE enabled. Now qemu enables it and
FX_SAVE encroaches on the save states. Without SSE enabled the handler
just happened to be aligned downwards enough to have the save states
fit. With SSE enabled that's not the case. The proper fix is to give the
code setting up stubs the right base address, which is the same as for
the TSEG codepath.
Change-Id: I45355efb274c6ddd09a6fb57743d2f6a5b53d209
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69233
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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Also sort includes.
Change-Id: Ia4a3807e45777e2a596878fe09e3c80b1fd2704d
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69037
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
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Now that all platforms use parallel_mp this is the only codepath used
for cpu_info() local thread storage.
Change-Id: I119214e703aea8a4fe93f83b784159cf86d859d3
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69122
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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This codepath is deprecated after the 4.18 release.
Change-Id: I7e90f457f3979781d06323ef1350d5fb05a6be43
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69121
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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This platform use the LEGACY_SMP_INIT which is to be deprecated after
release 4.18.
Change-Id: I18eb1c1ccad16980a4e57318dec411b82c45b25a
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69116
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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This board use the LEGACY_SMP_INIT which is to be deprecated after
release 4.18.
Change-Id: Idf37ade31ddb55697df1a65062c092a0a485e175
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69114
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Change-Id: I80baadd405b31d6be2fdbb894b0f4b7c775da6f8
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64341
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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This reverts commit 1bb9786da30e ("cpu/x86/mp_init.c: Set a bogus
initial lapic_id"), since it breaks MP init on amd/mandolin:
[INFO ] CPU #0 initialized
[INFO ] Initializing CPU #3
[INFO ] Initializing CPU #1
[INFO ] Initializing CPU #2
[EMERG] CPU: missing CPU device structureCPU: vendor AMD device 810f81
[DEBUG] CPU: family 17, model 18, stepping 01
[DEBUG] microcode: patch id to apply = 0x08108109
[INFO ] microcode: being updated to patch id = 0x08108109 succeeded
[INFO ] CPU #1 initialized
[ERROR] MP record 3 timeout.
[INFO ] bsp_do_flight_plan done after 1206 msecs.
[ERROR] MP initialization failure.
[EMERG] mp_init_with_smm failed. Halting.
TEST=The board boots again with the revert applied
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ic1cae88f7345f9ff79e8f6e574521095b57c8cb7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69186
Reviewed-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Bail out of mp_init if this function fails.
Change-Id: I7be5d6c32458ba98f4f8c5c9340790ff989c91e7
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69109
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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This makes it easier to catch errors later if the ap_init code fails to
properly set things up.
Change-Id: I938faf042bfa4fe1fc39e78ab740c9b210bc105c
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69108
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
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There is no need to keep track of device structures separately.
Change-Id: Ie728110fc8c60fec94ae4bedf74e17740cf78f67
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64340
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
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Adjust timeout for final SIPI to satisfy some to-be-launched
server processors.
Add a spew print to display how long it takes for the APs
to be ready. This is intended to facilitate only troubleshooting
and trend analysis.
Change-Id: Id958f18bdcb34d76df8aa443161123252524328e
Signed-off-by: Jonathan Zhang <jonzhang@meta.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68262
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I01c6651079333686cb0eb68e89e56d7907868124
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68204
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
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Pre-sandy bridge hardware is likely affected by the sinkhole
vulnerability. Intel sandy bridge and newer has hardware mitigations
against this attack according to
https://github.com/xoreaxeaxeax/sinkhole.
Change-Id: I52cb20e0edac62475597b31696f38d0ffc6080de
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37321
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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config.h is a dependency so add it.
Change-Id: Iac87039dd43aa75d49766b9a239fbd841ca6850c
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68244
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I0ab39ff20b0fb59026063e064e20ce901c2985fe
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68042
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
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Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I36c54e62797e67c1732f8deaf8843daf35610e22
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68032
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
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Remove <stdint.h>, <stddef.h> and add <stdbool.h>. All of them are
included through <types.h>.
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: If5296988c68302896e3676d7b80d0f133d5d4264
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68031
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
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Replace nodeid() function in cpu/x86/smm/smihandler.c with calling
lapicid() from include/cpu/x86/lapic.h.
TEST=Timeless build for lenovo/g505s which includes this file in the
build results in identical firmware image.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I336ca9888e24e4d6f10a81cc4f3760c9d7c8f4bc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67777
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
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Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I599e26a40ab584232614440612e95c91a698df27
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67775
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
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Instead of defining NUM_FIXED_MTRRS in both cpu/x86/mp_init.h and
cpu/x86/mtrr/mtrr.c in two different ways that will evaluate to the same
value, define it once in include/cpu/x86/mtrr.h which is included in
both C files.
TEST=Timeless build for amd/mandolin results in identical firmware image
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I71cec61e22f5ce76baef21344c7427be29f193f8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
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Instead of redefining the register address in smihandler.c, use the
existing definitions from include/cpu/x86/lapic_def.h.
TEST=Timeless build for lenovo/g505s which includes this file in the
build results in identical firmware image.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Id22f9b5ce53c7bced6bbcc3f5026d4c793b34f78
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67776
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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CB:63475 inadvertently disabled the STM by moving its load point
off of the MSEG boundry, which is a hardware requirement. In
addition, the BIOS resource list cannot be located within the
MSEG. This patch fixes the issue by moving the STM load point
to the MSEG boundry and placing the bios resource list just below
the MSEG where the STM setup functions can find it.
Fixes: commit 5747f6c (cpu/x86/smm_module_loader.c Rewrite setup)
Signed-off-by: Eugene Myers <edmyers@tycho.nsa.gov>
Change-Id: I7359939063bb1a172fcb701551c099edebfbedd5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67665
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Eugene Myers <cedarhouse1@comcast.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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AMD CPUs have a convenient MSR that allows to set the SMBASE in the save
state without ever entering SMM (e.g. at the default 0x30000 address).
This has been a feature in all AMD CPUs since at least AMD K8. This
allows to do relocation in parallel in ramstage and without setting up a
relocation handler, which likely results in a speedup. The more cores
the higher the speedup as relocation was happening sequentially. On a 4
core AMD picasso system this results in 33ms boot speedup.
TESTED on google/vilboz (Picasso) with CONFIG_SMI_DEBUG: verify that SMM
is correctly relocated with the BSP correctly entering the smihandler.
Change-Id: I9729fb94ed5c18cfd57b8098c838c08a04490e4b
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64872
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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Since mono_time is now 64-bit, the utility functions interfacing with
mono_time should also be 64-bit so precision isn't lost.
Fixed build errors related to printing the now int64_t result of
stopwatch_duration_[m|u]secs in various places.
BUG=b:237082996
BRANCH=All
TEST=Boot dewatt
Change-Id: I169588f5e14285557f2d03270f58f4c07c0154d5
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66170
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
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The X2APIC_LATE_WORKAROUND kconfig allows bringing APs in XAPIC mode initially hence, it won't work if LAPIC ID is > 0xff.
This patch ensures the MAX_CPUS logic is appropriate while selecting X2APIC_LATE_WORKAROUND kconfig from SoC.
BUG=b:219061518, b:219053812
TEST=Able to build Google/Rex.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I466e6cc568024a9dea80af21e0ebf3572e74a1f1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66110
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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Intel Meteor Lake SoC expects to select late x2APIC enablement where
AP bring up will use xAPIC and later x2APIC gets enabled using CPU init.
This patch provides an option where SoC code choose the correct
LAPIC access mode using choice selection.
BUG=b:219061518, b:219053812
TEST=Able to build Google/Rex.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I6b50a0f5e39a95c25cd2c72219d2b402550a6fad
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65786
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add option to do AP bringup with LAPICs in XAPIC mode and
switch to X2APIC later in CPU init.
Change-Id: I94c9daa3bc7173628f84094a3d5ca59e699ad334
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65766
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Change-Id: I9b710d279da6db9125519f58ecba109a4d9fa8e3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61554
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
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The do_smm struct element in the mp_state struct was an int even though
it only had two possible states, so change it to bool to make this more
obvious. Also change the return type of is_smm_enabled from int to bool.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I8d2d95f0497649d67565243d14a5ab9c9cdda412
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65776
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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This fixes following errors when building GA-945GCM-S2L with clang 14.0.5.
CC ramstage/cpu/x86/smm/smm_module_loader.o
src/cpu/x86/smm/smm_module_loader.c:180:10: error: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Werror,-Wformat]
region_offset(&cpus[i].stub_code), i);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/cpu/x86/smm/smm_module_loader.c:184:20: error: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Werror,-Wformat]
__func__, region_offset(&cpus[0].stub_code),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/cpu/x86/smm/smm_module_loader.c:185:10: error: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Werror,-Wformat]
region_offset(&cpus[i].stub_code), size);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/cpu/x86/smm/smm_module_loader.c:349:52: error: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Werror,-Wformat]
printk(BIOS_DEBUG, "%-12s [0x%lx-0x%lx]\n", name, region_offset(®ion),
~~~ ^~~~~~~~~~~~~~~~~~~~~~
%zx
src/cpu/x86/smm/smm_module_loader.c:350:9: error: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Werror,-Wformat]
region_end(®ion));
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I59f20aacf91cb50fb194a84082a643b34c6c1ae5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65154
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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We use a region later on so we might as well use a region from the
start. This simplifies the computations too.
Change-Id: Iffa36ccb89c36401d3856b24364216e83ca35f91
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64609
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
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This allows for some runtime checks on all SMM elements and removes
the need for manual checks.
We can drop completely separate codepaths on SMM_TSEG & SMM_ASEG as the
only difference is where permanent handler gets placed.
TESTED on prodrive/hermes and qemu with SSM_ASEG with 4 cores & SMM_TSEG
with 128 cores. This code figured out quite some problems with
overlapping regions so I think this is the right approach.
Change-Id: Ib7e2e3ae16c223ecfd8d5bce6ff6c17c53496925
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63602
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
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Some logging is superfluous and logging that code is being copied is
'SPEW' level.
Change-Id: I84d49a394cc53d78f1e1d3936502ac16810daf9f
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63481
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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When each AP needs to do a lot of printing 1 sec is not enough.
Change-Id: I00f0a49bf60f3915547924c34a62dd0044b0c918
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64828
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kane Chen <kane.chen@intel.corp-partner.google.com>
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Checking if the stack encroaches on the entry points is done in other
parts of the code.
Change-Id: I275d5dda9c69cc89608450ae27dd5dbd581e3595
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63480
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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This code is only meant to be used in early stages so move it back to
earlymtrr.c.
This reverts commit 3ad00d0c89c9e7a8e9ef13b6dc65bb338a191ec8.
Change-Id: I9bc1ac4b863eb43d3e398e6462ee139a7751bf62
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64804
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Now that mtrr_use_temp_range() can deal with multiple ranges there is no
need to expose this to restore the MTRR solution.
This reverts commit 00aaffaf470adfbaa0fbfa0ec3cc67311763810b.
Change-Id: Ib77a0f52228cd2f19f3227824f704ac690be4aba
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64803
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Temporary MTRR setup usually covers the memory mapped flash. On recent
Intel hardware the mapping is not coherent. It uses an external window
for parts of the BIOS region that exceed 16M.
This now allows up to 10 temporary memory ranges.
TESTED: Qemu with multiple MTRR temporary MTRR ranges sets up a valid
and optimized temporary MTRR solution.
Change-Id: I23442bd2ab7602e4c5cbd37d187a31413cf27ecc
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63555
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
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There is NULL dereference in adjust_apic_id_map() and updating
apic_id_to_cpu[] array within SMM stub fails.
Initial apic_id_to_cpu[] array may have worked for platforms
where APIC IDs are consecutive.
Change-Id: Ie59a731bfc883f8a47048b2ceacc66f44aa5b68c
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64798
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Uwe Poeche <uwe.poeche@siemens.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Intel Meteor Lake SoC expects to select x2APIC for accessing LAPIC
hence, this patch provides an option where SoC code choose the correct
LAPIC access mode using choice selection.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I39c99ba13ad6e489c300bd0d4ef7274feeca9d4f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64647
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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Now that the save state size is handled properly inside the smm_loader
there is no reason to make that distinction in the mp_init code anymore.
Change-Id: Ia0002a33b6d0f792d8d78cf625fd7e830e3e50fc
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63479
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@tutanota.com>
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This code was hard to read as it did too much and had a lot of state
to keep track of.
It also looks like the staggered entry points were first copied and
only later the parameters of the first stub were filled in. This
means that only the BSP stub is actually jumping to the permanent
smihandler. On the APs the stub would jump to wherever c_handler
happens to point to, which is likely 0. This effectively means that on
APs it's likely easy to have arbitrary code execution in SMM which is a
security problem.
Change-Id: I42ef9d6a30f3039f25e2cde975086a1365ca4182
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63478
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@tutanota.com>
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We don't want to keep track of the real smm size all the time.
As a bonus now ss_start is now really the start of the save state
instead of top - MAX(stub_size, save state size).
Change-Id: I0981022e6c0df110d4a342ff06b1a3332911e2b7
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63477
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@tutanota.com>
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This code is much easier to read if one does not have to keep track of
mutable variables.
This also fixes the alignment code on the TSEG smihandler setup code.
It was aligning the code upwards instead of downwards which would cause
it to encroach a part of the save state.
Change-Id: I310a232ced2ab15064bff99a39a26f745239f6b9
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63475
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Martin L Roth <gaumless@tutanota.com>
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This is a duplicate of code_start.
Change-Id: I38e8905e3ed940fb34280c939d6f2f1fce8480a7
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63476
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
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This code was very hard to read so rewrite it using as few mutable local
variables as possible.
Tested on qemu with 128 cores.
Change-Id: I7a455ba45a1c92533a8ecfd1aeecf34b4a63e409
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63474
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@tutanota.com>
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Currently no smihandler uses heap.
coreboot's heap manager also is quite limited in what it will
free (only the latest alloc). This makes it a bad idea to use it inside
the smihandler, as depending on the alloc usage the heap might actually
be full at some point, breaking the smihandler.
This also reduces the ramstage by 448 bytes on google/vilboz.
Change-Id: I70cd822be17c1efe13c94a9dbd2e1038808b9c56
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64521
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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Setting up postcar MTRRs is done when invd is already called so there
is no reason to do this in assembly anymore.
This also drops the custom code for Quark to set up MTRRs.
TESTED on foxconn/g41m and hermes/prodrive that MTRR are properly set
in postcar & ramstage.
Change-Id: I5ec10e84118197a04de0a5194336ef8bb049bba4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54299
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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MTRR is a core level register which means 2 threads in one core share
same MTRR. There is a race condition could happen that AP overrides
BSP MTRR unintentionally.
In order to prevent such race condition between BSP and APs, this
patch provides a function to let BSP assign tasks to all APs and wait
them to complete the assigned tasks.
BUG=b:225766934
Change-Id: I8d1d49bca410c821a3ad0347548afc42eb860594
Signed-off-by: Kane Chen <kane.chen@intel.corp-partner.google.com>
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63566
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This removes the need for a tool to generate simple identity pages.
Future patches will link this page table directly into the stages on
some platforms so having an assembly file makes a lot of sense.
This also optimizes the size of the page of each 4K page by placing
the PDPE_table below the PDE.
Change-Id: Ia1e31b701a2584268c85d327bf139953213899e3
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63725
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
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Follow-up patches will add more to this makefile.
Change-Id: I8da6265b4c810e39a67f5ec27e26eeb26e3679a4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63758
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
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<arch/cpu.h> is chain included through <cpu/cpu.h>.
Change-Id: I54a837394f67ac2a759907c7212ab947d07338dc
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60931
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <martinroth@google.com>
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Change-Id: I530bb217bb9a944990232dcf4e08f160b5267512
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55008
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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None of these options make sense on different ARCH.
Change-Id: Ie90ad24ff9013e38c42f10285cc3b546a3cc0571
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63673
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The printed address ranges in the tree (resource allocator and even
some MTRR code) usually shows the range inclusive (meaning from start
address to the real end address of the range). Though there is still
some code in the MTRR context which prints the ranges with an exclusive
end. This patch aligns the printing of ranges in the MTRR code to be
consistent among the tree so that the shown end addresses are now
inclusive.
Change-Id: I0ca292f9cf272564cb5ef1c4ea38f5c483605c94
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63541
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
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