57 Commits

Author SHA1 Message Date
Eugene Myers
ae438be578 security/intel/stm: Add STM support
This update is a combination of all four of the patches so that the
commit can be done without breaking parts of coreboot.  This possible
breakage is because of the cross-dependencies between the original
separate patches would cause failure because of data structure changes.

security/intel/stm

This directory contains the functions that check and move the STM to the
MSEG, create its page tables, and create the BIOS resource list.

The STM page tables is a six page region located in the MSEG and are
pointed to by the CR3 Offset field in the MSEG header.  The initial
page tables will identity map all memory between 0-4G.  The STM starts
in IA32e mode, which requires page tables to exist at startup.

The BIOS resource list defines the resources that the SMI Handler is
allowed to access.  This includes the SMM memory area where the SMI
handler resides and other resources such as I/O devices.  The STM uses
the BIOS resource list to restrict the SMI handler's accesses.

The BIOS resource list is currently located in the same area as the
SMI handler.  This location is shown in the comment section before
smm_load_module in smm_module_loader.c

Note: The files within security/intel/stm come directly from their
Tianocore counterparts.  Unnecessary code has been removed and the
remaining code has been converted to meet coreboot coding requirements.

For more information see:
     SMI Transfer Monitor (STM) User Guide, Intel Corp.,
     August 2015, Rev 1.0, can be found at firmware.intel.com

include/cpu/x86:

Addtions to include/cpu/x86 for STM support.

cpu/x86:

STM Set up - The STM needs to be loaded into the MSEG during BIOS
initialization and the SMM Monitor Control MSR be set to indicate
that an STM is in the system.

cpu/x86/smm:

SMI module loader modifications needed to set up the
SMM descriptors used by the STM during its initialization

Change-Id: If4adcd92c341162630ce1ec357ffcf8a135785ec
Signed-off-by: Eugene D. Myers <edmyers@tycho.nsa.gov>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33234
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: ron minnich <rminnich@gmail.com>
2020-02-05 18:49:27 +00:00
Jonathan Zhang
6ec322ec7c cpu/x86: Make MP init timeout configurable
The current MP init timeout is hardcoded as 1s. To support
platform with many cpus, the timeout needs to be adjusted.
The number of cpus is calculated as:
number of sockets * number of cores per socket *
  number of threads per core

How long the timeout should be set to, is heuristic.
It needs to be set long enough to ensure reboot stability,
but not unreasonable so that real failures can be detected
soon enough, especially for smaller systems.

This patch sets timeout to be minimum as 1 second, while each
cpu adds 0.1 second.

Signed-off-by: Jonathan Zhang <jonzhang@fb.com>
Signed-off-by: Reddy Chagam <anjaneya.chagam@intel.com>
Change-Id: Ibc079fc6aa8641d4ac8d8e726899b6c8d055052e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38546
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
2020-02-04 16:13:57 +00:00
Elyes HAOUAS
1a8dbfc899 cpu/x86/mp_init: Fix typo
Change-Id: Iee9cd3dc51937774b990bc6f9e00bb82e0132e76
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37811
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-12-18 16:29:15 +00:00
Martin Roth
d57ace259a AUTHORS: Move src/cpu copyrights into AUTHORS file
As discussed on the mailing list and voted upon, the coreboot project
is going to move the majority of copyrights out of the headers and into
an AUTHORS file.  This will happen a bit at a time, as we'll be unifying
license headers at the same time.

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Id6070fb586896653a1e44951a6af8f42f93b5a7b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35184
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-09-10 12:51:22 +00:00
Patrick Rudolph
5ec97cea67 soc/*: mp_run_on_all_cpus: Remove configurable timeout
Some timeouts given were too small when serial console is enabled due to
its spinlock making code runtime worse with every AP present.

In addition we usually don't know how long specific code runs and how
long ago it was sent to the APs.

Remove the timeout argument from mp_run_on_all_cpus and instead wait up
to 1 second, to prevent possible crashing of secondary APs still
processing the old job.

Tested on Supermicro X11SSH-TF.

Change-Id: I456be647b159f7a2ea7d94986a24424e56dcc8c4
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34587
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2019-08-15 06:45:34 +00:00
Marshall Dawson
98f43a1f75 cpu/x86 mp_init: Add option for AMD INIT SIPI sequence
The common code adheres to the Intel requirement of bringing up the
cores with INIT SIPI SIPI.  This sequence is tolerated on some AMD
AMD CPUs but fails on others.  Add a way to skip the second SIPI.

TEST=Mock up on grunt and verify no errors
BUG=b:138919564

Change-Id: I201869003ddc7d04d332cd5734ac6d63979d89e0
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34759
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-08-09 01:26:18 +00:00
Patrick Rudolph
be207b1098 soc/*: Report mp_init errors
* Increase log level from ERR to CRITICAL in run_ap_work().
* Print or return errors if mp_run_on_all_cpus() failed.

Tested on Supermicro X11SSH-TF.

Change-Id: I740505e3b6a46ebb3311d0e6b9669e7f929f9ab9
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34586
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2019-08-06 12:03:18 +00:00
Felix Held
f0cbb09a62 cpu/x86: use ALIGN_UP instead of ALIGN for better readability
Change-Id: I0afb81740973a0c841ebe6cce984e135e5c395e6
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33635
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
2019-06-21 12:50:22 +00:00
Jacob Garber
bc674765a9 {arch,cpu}/x86, drivers/intel: Restore cpu_index error handling
Previously cpu_index() always succeeded, but since commit 095c931
(src/arch/x86: Use core apic id to get cpu_index()) it is now possible
for it to indicate an error by returning -1. This commit adds error
handling for all calls to cpu_index(), and restores several checks that
were removed in commit 7c712bb (Fix code that would trip -Wtype-limits)
but are now needed.

Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Change-Id: I5436eed4cb5675f916924eb9670db04592a8b927
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32795
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2019-05-16 18:08:50 +00:00
Subrata Banik
7bc9036d16 arch/cpu: Rename mp_get_apic_id() and add_cpu_map_entry() function
This patch renames mp_get_apic_id() to cpu_get_apic_id() and
add_cpu_map_entry() to cpu_add_map_entry() in order access it
outside CONFIG_PARALLEL_MP kconfig scope.

Also make below changes
- Make cpu_add_map_entry() function available externally to call
it from mp_init.c and lapic_cpu_init.c.

BRANCH=none
BUG=b:79562868

Change-Id: I6a6c85df055bc0b5fc8c850cfa04d50859067088
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32701
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
2019-05-12 03:08:10 +00:00
Elyes HAOUAS
add76f91d5 src: Use #include <timer.h> when appropriate
Also, extra-lines added or removed and local includes moved down.

Change-Id: I5e739233f3742fd68d537f671642bb04886e3009
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32009
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-04-06 16:02:49 +00:00
Elyes HAOUAS
a1e22b8192 src: Use 'include <string.h>' when appropriate
Drop 'include <string.h>' when it is not used and
add it when it is missing.
Also extra lines removed, or added just before local includes.

Change-Id: Iccac4dbaa2dd4144fc347af36ecfc9747da3de20
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31966
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2019-03-20 20:27:51 +00:00
Julius Werner
cd49cce7b7 coreboot: Replace all IS_ENABLED(CONFIG_XXX) with CONFIG(XXX)
This patch is a raw application of

 find src/ -type f | xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g'

Change-Id: I6262d6d5c23cabe23c242b4f38d446b74fe16b88
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-03-08 08:33:24 +00:00
Kyösti Mälkki
2fbb6773e3 arch/x86: Enforce CPU stack alignment
When rmodule is loaded CPU stack alignment is only guaranteed
to 4kiB. Implementation of cpu_info() requires that each
CPU sees its stack aligned to CONFIG_STACK_SIZE.

Add one spare CPU for the stack reserve, such that alignment can
be enforced runtime.

Change-Id: Ie04956c64df0dc7bb156002d3d4f2629f92b340e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/26302
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-01-14 11:59:51 +00:00
Subrata Banik
befa72b208 cpu/x86: Make mp_get_apic_id() function externally available
This function returns APIC id for respective cpu core.

BUG=b:74436746
BRANCH=none
TEST=mp_get_apic_id() can be accessed in other files now.

Change-Id: I5c5eda8325f941ab84d8a3fe0dae64be71c44855
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/25620
Reviewed-by: Aamir Bohra <aamir.bohra@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-15 04:20:27 +00:00
Elyes HAOUAS
f765d4f275 src: Remove unneeded include <lib.h>
Change-Id: I801849fb31fe6958e3d9510da50e2e2dd351a98d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29304
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2018-11-16 09:50:51 +00:00
Marshall Dawson
46fc684783 x86/mp_init: Add configurable stack size for SMM relocate
A stack overrun has been observed on AMD64 CPUs during the SMM module
relocation process.  Change the assumed required size from equaling the
save structure's size to a Kconfig symbol.

A value of 0x400 doubles the size used by AMD64 systems and maintains
the size used by EM64T.

BUG=b:118420852
TEST=S3 on Grunt and verify 0x2f000-0x30000 uncorrupted

Change-Id: Ib1d590ee4afb06ca649afd6ad253cdfd969ae777
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/29277
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2018-10-29 18:01:43 +00:00
Nico Huber
d44221f9c8 Move compiler.h to commonlib
Its spreading copies got out of sync. And as it is not a standard header
but used in commonlib code, it belongs into commonlib. While we are at
it, always include it via GCC's `-include` switch.

Some Windows and BSD quirk handling went into the util copies. We always
guard from redefinitions now to prevent further issues.

Change-Id: I850414e6db1d799dce71ff2dc044e6a000ad2552
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/28927
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-10-08 16:57:27 +00:00
Richard Spiegel
43bd594af9 cpu/x86/mp_init.c: Avoid static analysis error for unused value
Within procedure save_bsp_msrs, the structure pointer "msr_entry" is updated
every time procedure save_msr() is called. However, after the last call of
save_msr(), "msr_entry" is not used, thus causing a static analysis error.
Add a "(void)msr_entry;" at the end to avoid the static analysis error.

BUG=b:112253891
TEST=Build and boot grunt.

Change-Id: If0fb336fbf49eec3da255fadbe38b3a38768d0cf
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/27956
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
2018-08-09 16:05:45 +00:00
Richard Spiegel
569711a4ff cpu/x86/mp_init.c: Fix error treatment
In procedure allocate_cpu_devices(), if structure pointer new is null skip
using the pointer. Add a "continue;" to skip using the pointer.

The issue was found by static analysis tool.

BUG=b:112253891
TEST=Build and boot grunt.

Change-Id: I7011fbfa0725f22a6dfbca6752e668eddac3463c
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/27951
Reviewed-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-08-09 15:46:40 +00:00
Raul E Rangel
9ea7762e79 mp_init: fix typo
BUG=none
TEST=none

Change-Id: Ic2d7bf5f5335894ede98dc7e6cc6a65e4897e487
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/27811
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
2018-08-06 01:10:14 +00:00
Raul E Rangel
d3b8393310 cpu/x86: Make SMM stack size configurable
Stoneyridge is running into a stack overflow in the SMM handler.

BUG=b:80539294
TEST=built on grunt

Change-Id: I94e385497bd93c3638c69fb08d9b843c3bbb55ce
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/27034
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-06-14 09:28:45 +00:00
Naresh G Solanki
2463533833 cpu/x86/mp: Update CPU name in device structure
Name the CPU device structure as per processor brand string.

Before logs use to look like:
APIC: 01 (unknown)

Now logs looks like(depending on CPU on which it is tested):
APIC: 01 (Intel(R) Core(TM) m3-7Y30 CPU @ 1.00GHz)

BUG=None
BRANCH=None
TEST= Build & boot Soraka.

Change-Id: I6af0e29bbbdb59406baeae32f7874ff9036a9c81
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/26740
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-06-04 08:24:08 +00:00
Subrata Banik
8a25caee05 cpu/x86: Add support to run function on single AP
This patch ensures that user can select a specific AP to run
a function.

BUG=b:74436746
BRANCH=none
TEST=Able to run functions over APs with argument.

Change-Id: Iff2f34900ce2a96ef6ff0779b651f25ebfc739ad
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/26034
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-05-19 01:16:06 +00:00
Subrata Banik
3337497d2a cpu/x86: Add support to run function with argument over APs
This patch ensures that user can pass a function with given argument
list to execute over APs.

BUG=b:74436746
BRANCH=none
TEST=Able to run functions over APs with argument.

Change-Id: I668b36752f6b21cb99cd1416c385d53e96117213
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/25725
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
2018-05-14 08:39:42 +00:00
Aaron Durbin
223fb436fe cpu/x86/mp: pass pointers to structures for AP callbacks
In order to extend the MP callback infrastructure prepare for
easier changes by making the AP callback get signalled by a
single pointer to a local variable on the signaller's stack.
When the APs see the callback they will copy the structure
to a local variable and then set the acknowledgement by
clearing out the slot.

The reading and writing to the slots were implemented using inline
assembly which forces a memory access and a compiler barrier.

BUG=b:74436746

Change-Id: Ia46133a49c03ce3ce0e73ae3d30547316c7ec43c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/26043
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-05-14 08:39:18 +00:00
Aaron Durbin
381feb8883 cpu/x86/mp: use __aligned macro
Now that __aligned is around, take advantage of it.

Change-Id: I93cdbe108d752088f34d3f5722dce5d9b90bcdc3
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/26022
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-05-04 14:17:18 +00:00
Aaron Durbin
4c16f8fe2b cpu/x86/mp: remove unused functions and limit API exposure
barrier_wait_timeout() was not used anywhere in the code. The
remaining two functions, barrier_wait() and release_barrier(), are
not used anywhere but the mp code.

Change-Id: If09991f95306becc68b6008ae6448695fb4a2dca
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/26021
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-05-04 14:17:07 +00:00
Subrata Banik
838f296d05 cpu/x86: Add infinite timeout support into run_ap_work() function
There might be certain requirement in user function where user
might not want to pass any timeout value, in those cases
run_ap_work() should consider infinity as timeout and perform
all APs initialization as per specification.

Set expire_us <= 0 to specify an infinite timeout.

BRANCH=none
BUG=b:74436746
TEST=run_ap_work() is running successfully with 0 expire_us.

Change-Id: Iacd67768c8a120f6a01baaa6817468f6b9a3b764
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/25622
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-05-03 14:56:16 +00:00
Furquan Shaikh
d6630d1165 x86: Increase time out for parking APs to 250ms
Change f43adf0 (intel/common/block/cpu: Change post_cpus_init after
BS_DEV RESOURCES) moved post_cpus_init to BS_OS_RESUME for S3
path. This results in BSP timing out waiting for APs to be
parked. This change increases the time out value for APs to be parked
to 250ms. This value was chosen after running suspend-resume stress
test and capturing the maximum time taken for APs to be parked for
100 iterations. Typical values observed were ~150ms. Maximum value
observed was 152ms.

BUG=b:76442753
TEST=Verified for 100 iterations that suspend-resume does not run into
any AP park time out.

Change-Id: Id3e59db4fe7a5a2fb60357b05565bba89be1e00e
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/25422
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2018-04-01 20:01:34 +00:00
Furquan Shaikh
5d8faef805 cpu/x86/mp_init: Print amount of time it takes in bsp_do_flight_plan
Since the timeout in bsp_do_flight_plan is bumped up to 1 second, this
change adds a print to indicate the amount of time it takes for all the
APs to check-in.

TEST=Verified on Nami that it prints:
"bsp_do_flight_plan done after 395 msecs."

Change-Id: I4c8380e94305ed58453ed18b341b3b923949d7a8
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/25044
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-03-09 00:26:30 +00:00
Furquan Shaikh
fa9f107319 cpu/x86/mp_init: Increase AP check-in time-out to 1second
Currently, the AP check-in time-out in bsp_do_flight_plan is set to
100ms. However, as the number of APs increases, contention could
increase especially for resource like UART. This led to MP record
time-out issues on KBL platform with 7 APs and serial-console enabled
BIOS image.

This change increases the time-out value to 1 second to be on the safer
side and let APs check-in before continuing boot.

BUG=b:74085891
TEST=Verified that MP record time-out is not observed anymore on Nami.

Change-Id: I979c11a10e6888aef0f71b5632ea803a67bbb0ff
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/24965
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-03-05 17:55:44 +00:00
Marshall Dawson
c0dbedac43 x86/mtrr: Enable Rd/WrDram mod in AMD fixed MTRRs
AMD's fixed MTRRs have RdDram and WrDram bits that route memory
accesses to DRAM vs. MMIO.  These are typically hidden for normal
operation by clearing SYS_CFG[19] (MtrrFixDramModEn).  According to
BKDGs and AMD64 Programmer's Manual vol 2, this bit is clear at
reset, should be set for configuration during POST, then cleared for
normal operation.

Attempting to modify the RdDram and WrDram settings without unhiding
them causes a General Protection Fault.  Add functions to enable and
disable MtrrFixDramModEn.  Unhide/hide as necessary when copying or
writing the fixed MTRRs.

Finally, modify sipi_vector.S to enable the bits prior to writing
the fixed MTRRs and disable when complete.

This functionality is compiled out on non-AMD platforms.

BUG=b:68019051
TEST=Boot Kahlee, check steps with HDT

Change-Id: Ie195131ff752400eb886dfccc39b314b4fa6b3f3
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/23722
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-02-16 22:38:50 +00:00
Aaron Durbin
ec2e61ab2f cpu/x86: set permanent SMM handler stack to 1KiB
Not all SMM save state sizes equate to having enough stack in the
permanent SMM handler. Therefore, ensure 1KiB of stack is available for
each cpu's stack. Intel's save state size is 1KiB, but AMD's save state
size is only 512. Therefore, decouple save state size from the per
cpu stack size.

BUG=b:70027919

Change-Id: I54b9e6f3cc0ad6ca3d7b60b2b422b5dc5a78a552
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/22950
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2017-12-20 16:14:13 +00:00
Aaron Durbin
5a1f9a87cb cpu/x86/mp_init: remove adjust_cpu_apic_entry()
The original purpose of adjust_cpu_apic_entry() was to set
up an APIC map. That map was effectively only used for mapping
*default* APIC id to CPU number in the SMM handler. The normal
AP startup path didn't need this mapping because it was whoever
won the race got the next cpu number. Instead of statically
calculating (and wrong) just initialize the default APIC id
map when the APs come online. Once the APs are online the SMM
handler is loaded and the mapping is utilized.

Change-Id: Idff3b8cfc17aef0729d3193b4499116a013b7930
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/21452
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
2017-09-11 01:17:45 +00:00
Stefan Reinauer
6a00113de8 Rename __attribute__((packed)) --> __packed
Also unify __attribute__ ((..)) to __attribute__((..)) and
handle ((__packed__)) like ((packed))

Change-Id: Ie60a51c3fa92b5009724a5b7c2932e361bf3490c
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/15921
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-07-13 19:45:59 +00:00
Paul Menzel
6bb8ff4637 cpu/x86: Use do while loop
With the do while loop, it can be avoided do use an infinite loop with a
break condition inside.

Change-Id: I030f6782ad618b55112a2f0bac8dda08b497a9f1
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/20269
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2017-06-22 16:01:35 +00:00
Aaron Durbin
046848ce1f cpu/x86/mp_init: report correct count of AP acceptance
The previous implementation was using a for loop. By it's
very definition the last statement in the for loop declaration
is done at the end of the loop. Therefore, if the conditional for
breaking out of the for loop because of a timeout would always
see a value of 0 for the number of APs accepted. Correct this
by changing to a while loop with an explicit timeout condition
at the end of the loop.

Change-Id: I503953c46c2a65f7e264ed49c94c0a46d6c41c57
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/20225
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2017-06-16 18:14:43 +02:00
Bora Guvendik
9b76f0b27b cpu/x86: add a barrier with timeout
In case something goes wrong on one of the
cpus, add the ability to use a barrier with
timeout so that other cpus don't wait forever.
Remove static from barrier wait and release.

BUG=chrome-os-partner:59875
BRANCH=reef
TEST=None

Change-Id: Iab6bd30ddf7632c7a5785b338798960c26016b24
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/18107
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
2017-03-19 21:40:08 +01:00
Lee Leahy
a15d8af140 cpu/x86: Remove braces and else if unnecessary
Fix the following warnings detected by checkpatch.pl

WARNING: braces {} are not necessary for single statement blocks
WARNING: braces {} are not necessary for any arm of this statement
WARNING: else is not generally useful after a break or return

TEST=Build and run on Galileo Gen2

Change-Id: I2d6b22c66d52f5f2d24b15270ad4b52894adebc2
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18842
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
2017-03-16 04:11:45 +01:00
Lee Leahy
a07d0ddc44 cpu/x86: Use tabs for indent
Fix the following error and warning detected by checkpatch.pl:

ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line

TEST=Build and run on Galileo Gen2

Change-Id: Ie6e4dd4c3eb0d2c44ecd008740dfc348d496fe78
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18841
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
2017-03-16 04:11:27 +01:00
Aaron Durbin
b21e362e93 cpu/x86: allow AP callbacks after MP init
There are circumstances where the APs need to run a piece of
code later in the boot flow. The current MP init just parks
the APs after MP init is completed so there's not an opportunity
to target running a piece of code on all the APs at a later time.
Therefore, provide an option, PARALLEL_MP_AP_WORK, that allows
the APs to perform callbacks.

BUG=chrome-os-partner:60657
BRANCH=reef

Change-Id: I849ecfdd6641dd9424943e246317cd1996ef1ba6
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17745
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
2016-12-08 21:39:43 +01:00
Elyes HAOUAS
d6e96864c9 src/cpu: Capitalize CPU, APIC and IOAPIC typo fix
Change-Id: I82e0736dc6b44cfcc57cdfdc786c85c4b6882260
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16276
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
2016-08-23 15:43:58 +02:00
Elyes HAOUAS
d82be923b1 src/cpu: Capitalize CPU
Change-Id: I58d5c16de796a91fa14d8db78722024266c09a94
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15934
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
2016-07-31 18:33:06 +02:00
Aaron Durbin
770d7c7395 cpu/x86/mp_init: reduce exposure of internal implementation
With all users converted to using the mp_ops callbacks there's
no need to expose that surface area. Therefore, keep it all
within the mp_init compilation unit.

Change-Id: Ia1cc5326c1fa5ffde86b90d805b8379f4e4f46cd
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14598
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-05-06 16:47:54 +02:00
Aaron Durbin
82501922b6 cpu/x86: combine multiprocessor and SMM initialization
In order to reduce code duplication provide a common flow
through callback functions that performs the multiprocessor
and optionally SMM initialization. The existing MP flight
records are utilized but a common flow is provided such
that the chipset/cpu only needs to provide a mp_ops
structure which has callbacks to gather info and provide
hooks at certain points in the sequence.

All current users of the MP code can be switched over to
this flow since there haven't been any flight records that
are overly complicated and long. After the conversion
has taken place most of the surface area of the MP
API can be hidden away within the compilation unit proper.

Change-Id: I6f70969631012982126f0d0d76e5fac6880c24f0
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14557
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
2016-05-04 18:51:49 +02:00
Aaron Durbin
0e55632661 cpu/x86/mp_init: remove unused callback arguments
The BSP and AP callback declarations both had an optional argument
that could be passed. In practice that functionality was never used
so drop it.

Change-Id: I47fa814a593b6c2ee164c88d255178d3fb71e8ce
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14556
Tested-by: build bot (Jenkins)
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Leroy P Leahy <leroy.p.leahy@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-05-02 20:07:25 +02:00
Jacob Laska
aad9b6a086 cpu: Fix typo that spelled "allocate" as "allocte."
The error informing the user that the CPU device cannot be
allocated has a typo incorrectly spelling "allocate" as
"allocte".

TEST=Compiled
Change-Id: I2a6bad56133e375e2fd6a670593791414bf0dc2c
Signed-off-by: Jacob Laska <jlaska91@gmail.com>
Reviewed-on: https://review.coreboot.org/13030
Tested-by: build bot (Jenkins)
Reviewed-by: Ben Frisch <bfrisch@xes-inc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2016-01-20 16:07:49 +01:00
Patrick Georgi
a73b93157f tree: drop last paragraph of GPL copyright header
It encourages users from writing to the FSF without giving an address.
Linux also prefers to drop that and their checkpatch.pl (that we
imported) looks out for that.

This is the result of util/scripts/no-fsf-addresses.sh with no further
editing.

Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/11888
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2015-10-31 21:37:39 +01:00
Alexandru Gagniuc
86091f94b6 cpu/mtrr.h: Fix macro names for MTRR registers
We use UNDERSCORE_CASE. For the MTRR macros that refer to an MSR,
we also remove the _MSR suffix, as they are, by definition, MSRs.

Change-Id: Id4483a75d62cf1b478a9105ee98a8f55140ce0ef
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/11761
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
2015-10-15 03:52:49 +00:00