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CONFIG_MAINBOARD_VENDOR is customizable by OEM for Chrome OS
devices. However, VBOOT_FWID_MODEL indicates the firmware vendor and
hence if CHROMEOS is selected, then VBOOT_FWID_MODEL should always
prefix "Google_" instead of CONFIG_MAINBOARD_VENDOR.
BUG=b:65493192
Change-Id: I0a2280bfd6d535586bc14d9a3c4a8198287f08bc
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/21458
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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We've just decided to remove the only known use of the VBSD_SW_WP flag
in vboot (https://chromium-review.googlesource.com/c/575389), since it
was unused and never reliable on all platforms anyway. Therefore, we can
now also remove the coreboot infrastructure that supported it. It
doesn't really hurt anyone, but removing it saves a small bit of effort
for future platforms.
Change-Id: I6706eba2761a73482e03f3bf46343cf1d84f154b
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/20628
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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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>
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It's standard practice in vboot that the FWID consists of
<board_name>.<version_number> (e.g. Google_Kevin.8785.57.0). In fact,
some tools rely on this and cut the string at the first dot to
separate the two.
The current Kconfig default in coreboot instead leads to ugly,
parser-breaking FWIDs like Google_Kevin4.5-1234-5678abcd. This patch
fixes that.
Change-Id: I65cd5285c69e2e485d55a41a65d735f6a2291c16
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/19487
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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1. Select CONFIG_{TPM,TPM2} only when MOCK_SECDATA is not selected.
2. Provide tlcl_lib_init for mock TPM case.
BUG=b:37682566
TEST=Verified that when mock TPM is used, CONFIG_TPM is not set
anymore in coreboot config.
Change-Id: If3bdd1528e153b164e9d62ee9cbcc4c3666b8b66
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19456
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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In builds without CONFIG_VBOOT_SEPARATE_VERSTAGE, verstage files are
linked directly into the bootblock or the romstage. However, they're
still compiled with a separate "libverstage" source file class, linked
into an intermediate library and then linked into the final destination
stage.
There is no obvious benefit to doing it this way and it's unclear why it
was chosen in the first place... there are, however, obvious
disadvantages: it can result in code that is used by both libverstage
and the host stage to occur twice in the output binary. It also means
that libverstage files have their separate compiler flags that are not
necessarily aligned with the host stage, which can lead to weird effects
like <rules.h> macros not being set the way you would expect. In fact,
VBOOT_STARTS_IN_ROMSTAGE configurations are currently broken on x86
because their libverstage code that gets compiled into the romstage sets
ENV_VERSTAGE, but CAR migration code expects all ENV_VERSTAGE code to
run pre-migration.
This patch resolves these problems by removing the separate library.
There is no more difference between the 'verstage' and 'libverstage'
classes, and the source files added to them are just treated the same
way a bootblock or romstage source files in configurations where the
verstage is linked into either of these respective stages (allowing for
the normal object code deduplication and causing those files to be
compiled with the same flags as the host stage's files).
Tested this whole series by booting a Kevin, an Elm (both with and
without SEPARATE_VERSTAGE) and a Falco in normal and recovery mode.
Change-Id: I6bb84a9bf1cd54f2e02ca1f665740a9c88d88df4
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18302
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This patch attempts to finish the separation between CONFIG_VBOOT and
CONFIG_CHROMEOS by moving the remaining options and code (including
image generation code for things like FWID and GBB flags, which are
intrinsic to vboot itself) from src/vendorcode/google/chromeos to
src/vboot. Also taking this opportunity to namespace all VBOOT Kconfig
options, and clean up menuconfig visibility for them (i.e. some options
were visible even though they were tied to the hardware while others
were invisible even though it might make sense to change them).
CQ-DEPEND=CL:459088
Change-Id: I3e2e31150ebf5a96b6fe507ebeb53a41ecf88122
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18984
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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No board has ever tried to combine CONFIG_SEPARATE_VERSTAGE with
CONFIG_VBOOT_STARTS_IN_ROMSTAGE. There are probably many reasons why
this wouldn't work (e.g. x86 CAR migration logic currently always
assumes verstage code to run pre-migration). It would also not really
make sense: the reason we use separate verstages is to decrease
bootblock size (mitigating the boot speed cost of slow boot ROM SPI
drivers) and to allow the SRAM-saving RETURN_FROM_VERSTAGE trick,
neither of which would apply to the after-romstage case. It is better to
just forbid that case explicitly and give programmers more guarantees
about what the verstage is (e.g. now the assumption that it runs pre-RAM
is always valid).
Since Kconfig dependencies aren't always guaranteed in the face of
'select' statements, also add some explicit compile-time assertions to
the vboot code. We can simplify some of the loader logic which now no
longer needs to provide for the forbidden case. In addition, also try to
make some of the loader logic more readable by writing it in a more
functional style that allows us to put more assertions about which cases
should be unreachable in there, which will hopefully make it more robust
and fail-fast with future changes (e.g. addition of new stages).
Change-Id: Iaf60040af4eff711d9b80ee0e5950ce05958b3aa
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18983
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
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Currently, src/vboot/bootmode.c gets compiled even if vboot is disabled.
It seems that this was only done to support calling certain
developer/recovery mode functions in this case. There is no reason to
compile the whole file for that -- we can just differentiate with a
stub in the header instead, which is what other parts of coreboot
usually do for cases like this.
Change-Id: If83e1b3e0f34f75c2395b4c464651e373724b2e6
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18982
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
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The virtualized developer switch was invented five years ago and has
been used on every vboot system ever since. We shouldn't need to specify
it again and again for every new board. This patch flips the Kconfig
logic around and replaces CONFIG_VIRTUAL_DEV_SWITCH with
CONFIG_PHYSICAL_DEV_SWITCH, so that only a few ancient boards need to
set it and it fits better with CONFIG_PHYSICAL_REC_SWITCH. (Also set the
latter for Lumpy which seems to have been omitted incorrectly, and hide
it from menuconfig since it's a hardware parameter that shouldn't be
configurable.)
Since almost all our developer switches are virtual, it doesn't make
sense for every board to pass a non-existent or non-functional developer
mode switch in the coreboot tables, so let's get rid of that. It's also
dangerously confusing for many boards to define a get_developer_mode()
function that reads an actual pin (often from a debug header) which will
not be honored by coreboot because CONFIG_PHYSICAL_DEV_SWITCH isn't set.
Therefore, this patch removes all those non-functional instances of that
function. In the future, either the board has a physical dev switch and
must define it, or it doesn't and must not.
In a similar sense (and since I'm touching so many board configs
anyway), it's annoying that we have to keep selecting EC_SOFTWARE_SYNC.
Instead, it should just be assumed by default whenever a Chrome EC is
present in the system. This way, it can also still be overridden by
menuconfig.
CQ-DEPEND=CL:459701
Change-Id: If9cbaa7df530580a97f00ef238e3d9a8a86a4a7f
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18980
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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VBOOT_DYNAMIC_WORK_BUFFER and VBOOT_STARTS_IN_ROMSTAGE are equivalent in
practice. We can't have a dynamic work buffer unless we start in/after
romstage, and there'd be no reason to go with a static buffer if we do.
Let's get rid of one extra option and merge the two.
Change-Id: I3f953c8d2a8dcb3f65b07f548184d6dd0eb688fe
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18979
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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CHIPSET_PROVIDES_VERSTAGE_MAIN_SYMBOL allows the SoC directory to
provide its own main() symbol that can execute code before the generic
verstage code runs. We have now established in other places (e.g. T210
ramstage) a sort of convention that SoCs which need to run code in any
stage before main() should just override stage_entry() instead. This
patch aligns the verstage with that model and gets rid of the extra
Kconfig option. This also removes the need for aliasing between main()
and verstage(). Like other stages the main verstage code is now just in
main() and can be called from stage_entry().
Change-Id: If42c9c4fbab51fbd474e1530023a30b69495d1d6
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18978
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
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Change-Id: I77d7d6048fee9b378aa04c1a62b830e08f95ec22
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/18407
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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Add a Kconfig value to enable other platforms to use the soft reboot
workaround.
TEST=Build and run on Galileo Gen2
Change-Id: I5a7ebd200229654128d367ecb50647ff69bb5258
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18798
Tested-by: Martin Roth <martinroth@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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cr50 by default delays nvmem commits internally from the point of
reset to accumulate change state. However, the factory process can
put a board into dev mode through the recovery screen. This state
is stored in the TPM's nvmem space. When the factory process is
complete a disable_dev_request and battery_cutoff_request is performed.
This leads to disabling the dev mode in TPM, but the battery is
subsequently cut off so the nvmem contents never stick. Therefore,
whenever antirollback_write_space_firmware() is called we know there
was a change in secdata so request cr50 to immediately enable nvmem
commits going forward. This allows state changes to happen immediately.
The fallout from this is that when secdata is changed that current
boot will take longer because every transaction that writes to TPM
nvmem space will perform a write synchronously. All subsequent boots
do not have that effect.
It should also be noted that this approach to the implementation is
a pretty severe layering violation. However, the current TPM APIs
don't lend themselves well to extending commands or re-using code
outside of the current routines which inherently assume all knowledge
of every command (in conflict with vendor commands since those are
vendor-specific by definition).
BUG=b:35775104
BRANCH=reef
TEST=Confirmed disablement of dev mode sticks in the presence of:
crossystem disable_dev_request=1; crossystem
battery_cutoff_request=1; reboot;
Change-Id: I3395db9cbdfea45da1f5cb994c6570978593b944
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/18681
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins)
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We rely on gnu make, so we can expect the jobserver to be around in
parallel builds, too. Avoids some make warnings and slightly speeds up
the build if those sub-makes are executed (eg for arm-trusted-firmware
and vboot).
Change-Id: I0e6a77f2813f7453d53e88e0214ad8c1b8689042
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/18263
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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For the boards that intend to use mock tpm and have recovery mrc cache
support enabled, provide mock functions to read and write mrc hash
space.
Reading MRC hash space returns TPM_SUCCESS as later checks take care of
comparing the hash value and retraining if hash comparison fails. Thus,
in case of mock tpm, device would always end up doing the memory
retraining in recovery mode.
BUG=chrome-os-partner:62413
BRANCH=None
TEST=Verified that eve builds with mock tpm selected.
Change-Id: I7817cda7821fadeea0e887cb9860804256dabfd9
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/18248
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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Currently, it will print the function name as a prefix to the debug
output. Make it so that a null function name won't get printed, so
that it's possible to print little bits of debug output.
BUG=chromium:683391
BRANCH=none
TEST=build_packages --board=reef chromeos-firmware
Change-Id: I046fa766773fc08a29460db1f884d7902692d182
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 853ff7176e97e5e1ab664d094e1914c9c94510aa
Original-Change-Id: I1dff38e4d8ab03118e5f8832a16d82c2d2116ec9
Original-Signed-off-by: Randall Spangler <rspangler@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/431111
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/18204
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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Add rmu.bin to the list of files that exist only in the read-only
section (COREBOOT) of the SPI flash.
TEST=Build and run on Galileo Gen2.
Change-Id: I30cbd3fb2ef1848807e4de4c479dc7a561c1faba
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18031
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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When CONFIG_VBOOT_VBNV_CMOS_BACKUP_TO_FLASH is set, vbnv_cmos will try
to load VBNV from flash if the VBNV in CMOS is invalid. This is usually
correct, except the case of battery cut-off.
CMOS will always be invalid after battery cut-off if there is no RTC
battery (or if that is dead). However, in current implementation the
backup in flash is only updated in coreboot, while the real battery
cutoff (and the clearing of cutoff flags in VBNV) is done in payload
(Depthcharge) stage. This will create an endless reboot loop that:
1. crossystem sets battery cutoff flag in VBNV_CMOS then reboot.
2. coreboot backs-up VBNV_CMOS to VBNV_flash.
3. Depthcharge sees cutoff flag in VBNV_CMOS.
4. Depthcharge clears cutoff flag in VBNV_CMOS.
5. Depthcharge performs battery cutoff (CMOS data is lost).
6. (Plug AC adapter) Reboot.
7. Coreboot sees invalid VBNV_CMOS, load backup from VBNV_flash.
8. Jump to 3.
As a result, we should always clear battery cutoff flags when loading
backups from VBNV_flash.
BRANCH=glados,reef
BUG=chrome-os-partner:61365,chrome-os-partner:59615
TEST=emerge-reef coreboot bootimage;
Change-Id: I3250a3a179a7b0de9c6e401e4a94dcd23920e473
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/423460
Reviewed-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/18008
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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The cbmem_possibly_online() is a helpful construct. Therefore,
push it into cbmem.h so other users can take advantage of it.
BUG=chrome-os-partner:60592
BRANCH=reef
Change-Id: If5a1c7815ed03874dcf141014b8ffefb82b7cc92
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17868
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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vboot_handoff.c is the only place that needs the vb2 internals.
Provide it in the one place it is actually required instead of
pulling in the headers unnecessarily in common code. There is,
however, still a need to get the vb2 hashing types for a function
declaration.
Change-Id: I038fda68b1cd05fa2e66135158e5e2d18567563a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17475
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Currently the code considers the absence of the NVRAM firmware
rollback space a a trigger for invoking the TPM factory initialization
sequence.
Note that the kernel rollback and MRC cache hash spaces are created
after the firmware rollback space. This opens an ever so narrow window
of opportunity for bricking the device, in case a startup is
interrupted after firmware space has been created, but before kernel
and MRC hash spaces are created.
The suggested solution is to create the firmware space last, and to
allow for kernel and MRC cache spaces to exist during TPM factory
initialization.
BRANCH=none
BUG=chrome-os-partner:59654
TEST=odified the code not to create the firmware space, wiped out the
TPM NVRAM and booted the device. Observed it create kernel and
MRC cache spaces on the first run, and then reporting return code
0x14c for already existing spaces on the following restarts.
Verified that the device boots fine in normal and recovery modes
and TPM NVRAM spaces are writeable in recovery mode.
Change-Id: Id0e772448d6af1340e800ec3b78ec67913aa6289
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/17398
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
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BUG=chrome-os-partner:59352
BRANCH=None
TEST=Compiles successfully
Change-Id: I87cd675ea45a8b05a178cf64119bf5f9d8d218ca
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17408
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This function is not used anywhere else in the code.
BRANCH=none
BUG=none
TEST=reef and kevin boards (using tpm1.2 and tpm2.0 respectively)
build successfully.
Change-Id: Ifcc345ae9c22b25fdcfc2e547e70766021d27e32
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/17387
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
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1. Add a new index for recovery hash space in TPM - 0x100b
2. Add helper functions to read/write/lock recovery hash space in TPM
3. Add Kconfig option that can be selected by mainboards that want to
define this space.
4. Lock this new space while jumping from RO to RW.
BUG=chrome-os-partner:59355
BRANCH=None
TEST=Verified use of recovery hash space on reef.
Change-Id: I1cacd54f0a896d0f2af32d4b7c9ae581a918f9bb
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17273
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This driver is required for reading and updating TPM space for recovery
MRC data hash in romstage.
BUG=chrome-os-partner:59355
BRANCH=None
TEST=Compiles successfully for reef.
Change-Id: I8edb7af13285a7a192e3d55fc6a11cfe12654bf9
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17270
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
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1. Add new function vboot_recovery_mode_memory_retrain that indicates if
recovery mode requires memory retraining to be performed.
2. Add helper function get_recovery_mode_retrain_switch to read memory
retrain switch. This is provided as weak function which should be
implemented by mainboard just like {get,clear}_recovery_mode_switch.
BUG=chrome-os-partner:59352
BRANCH=None
TEST=Verified behavior of recovery mode with forced memory retraining on
reef
Change-Id: I46c10fbf25bc100d9f562c36da3ac646c9dae7d1
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17241
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This reverts commit 21fdd8d0b2206be85dd920e94fb9657a22ab5226.
I meant to abandon the original change and clicked submit instead.
Change-Id: I1db29b62c5c071113d308583f094f77285c9ba1e
Reviewed-on: https://review.coreboot.org/17346
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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This library is needed for calculating sha-256 of recovery mrc data in
romstage.
BUG=chrome-os-partner:59355
BRANCH=None
TEST=Compiles succesfully for reef.
Change-Id: Ie257208c7b3ad07d00e4eb777debf19c42a2fc0c
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17271
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Fix comment greater than 80 columns.
Change-Id: Ie0be96868e8a99f79781c6bafc8991a955f37ffa
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17265
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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When Chrome EC is disabled, vboot hash is not available during S3 resume
Hence disable vboot verification when Chrome EC is not available.
Change-Id: I665f5f0e2e53da7b735de30443d323572d8a1a9c
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17246
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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There is no code which uses the backup space in TPM created for vboot
nvram.
All chromebooks currently supported at the trunk store vboot nvram
in flash directly or as a backup.
BUG=chrome-os-partner:47915
BRANCH=none
TEST=emerge-samus coreboot
Change-Id: I9445dfd822826d668b3bfed8ca50dc9386f2b2b0
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 5cee2d54c96ad7952af2a2c1f773ba09c5248f41
Original-Change-Id: Ied0cec0ed489df3b39f6b9afd3941f804557944f
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/395507
Original-Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://review.coreboot.org/16997
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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Function which invoked when TPM clear is requested was left empty,
this patch fixes it.
BRANCH=gru
BUG=chrome-os-partner:57411
TEST=verified on a chromeos device that tpm is in fact cleared when
CLEAR_TPM_OWNER_REQUEST is set by userland.
Change-Id: I4370792afd512309ecf7f4961ed4d44a04a3e2aa
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/16805
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@googlemail.com>
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This improves the previous linear search to O(log n). No change in
storage format.
BUG=chromium:640656
BRANCH=none
TEST=Manual
(test empty)
flashrom -i RW_NVRAM -e
Reboot; device should boot normally.
(start using records)
crossystem kern_nv=0xaab0
crossystem recovery_request=1 && reboot
Device should go into recovery mode with reason 1
Reboot again; it should boot normally.
crossystem kern_nv (should still contain 0xaab0)
Repeat steps several times with request=2, 3, etc.
flashrom -i RW_NVRAM -r nvdata
Modify nvdata to copy the first record across all valid
records
flashrom -i RW_NVRAM -w nvdata
Reboot; device should boot normally.
Change-Id: Ieb97563ab92bd1d18a4f6a9e1d20157efe311fb4
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: db9bb2d3927ad57270d7acfd42cf0652102993b1
Original-Change-Id: I1eb5fd9fa6b2ae56833f024bcd3c250147bcc7a1
Original-Signed-off-by: Randall Spangler <rspangler@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/376928
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/16577
Tested-by: build bot (Jenkins)
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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On x86 platforms, google_chromeec_early_init() is used to put the EC
into RO mode when there's a recovery request. This is to avoid training
memory multiple times when the recovery request is through an EC host
event while the EC is running RW code. Under that condition the EC will
be reset (along with the rest of the system) when the kernel verification
happens. This leads to an execessively long recovery path because of the
double reboot performing full memory training each time.
By putting this logic into the verstage program this reduces the
bootblock size on the skylake boards. Additionally, this provides the
the correct logic for all future boards since it's not tied to FSP
nor the mainboard itself. Lastly, this double memory training protection
works only for platforms which verify starting from bootblock. The
platforms which don't start verifying until after romstage need to
have their own calls (such as haswell and baytrail).
Change-Id: Ia8385dfc136b09fb20bd3519f3cc621e540b11a5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16318
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
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The return value check was incorect and checking for failure
in the success path. Fix the return value check so that it
actually checks for success.
BUG=chrome-os-partner:56151
Change-Id: Ie7960b89a916dec261015c97c3e0552be56b5b5d
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16303
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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vboot_named_region_device_rw() is supposed to provide a writable
region_device. However, it was calling fmap_locate_area_as_rdev()
which only provides a read-only one. Fix this.
BUG=chrome-os-partner:56151
Change-Id: I6279fde32132b1b6138292c3ef771c59709e00c6
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16302
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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There's no need to be SPI specific w.r.t. how the flash is
connected. Therefore, use the RW boot device to write the
contents of VBNV. The erasable check was dropped because that
information isn't available. All regions should be aligned
accordingly on the platform for the underlying hardware
implementation. And once the VBNV region fills the erase
will fail.
BUG=chrome-os-partner:56151
Change-Id: I07fdc8613e0b3884e132a2f158ffeabeaa6da6ce
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16206
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Explicitly provide a RW view of an vboot FMAP region. This is
required for platforms which have separate implementations of
a RO boot device and a RW boot device.
BUG=chrome-os-partner:56151
Change-Id: If8bf2e1c7ca9bff536fc5c578fe0cf92ccbd2ebc
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16205
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
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Provide a default value of 0 in drivers/spi as there weren't
default values aside from specific mainboards and arch/x86.
Remove any default 0 values while noting to keep the option's
default to 0.
BUG=chrome-os-partner:56151
Change-Id: If9ef585e011a46b5cd152a03e41d545b36355a61
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16192
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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CONFIG_VBOOT was recently moved to be independent from CONFIG_CHROMEOS.
However, the latter still has some 'select' clauses to ensure that
required TPM libraries are built. The TPM is an essential part of vboot,
and without these libraries the vboot code cannot compile... therefore,
they should be moved under CONFIG_VBOOT.
Change-Id: I0145558e5127c65c6a82d62f25b5a39e24cb8726
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/16229
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Change-Id: Iff6b1b08b8159588b964d9637b16e1e0bfcca940
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15986
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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This removes the newlines from all files found by the new
int-015-final-newlines script.
Change-Id: I65b6d5b403fe3fa30b7ac11958cc0f9880704ed7
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/15975
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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With VBOOT_VERIFY_FIRMWARE separated from CHROMEOS, move recovery and
developer mode check functions to vboot. Thus, get rid of the
BOOTMODE_STRAPS option which controlled these functions under src/lib.
BUG=chrome-os-partner:55639
Change-Id: Ia2571026ce8976856add01095cc6be415d2be22e
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15868
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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VBOOT_VERIFY_FIRMWARE should be independent of CHROMEOS. This allows use
of verified boot library without having to stick to CHROMEOS.
BUG=chrome-os-partner:55639
Change-Id: Ia2c328712caedd230ab295b8a613e3c1ed1532d9
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15867
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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