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2019-02-25security/vboot: Add measured boot modePhilipp Deppenwiese
* Introduce a measured boot mode into vboot. * Add hook for stage measurements in prog_loader and cbfs. * Implement and hook-up CRTM in vboot and check for suspend. Change-Id: I339a2f1051e44f36aba9f99828f130592a09355e Signed-off-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/c/29547 Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-02-22vboot: fix STARTS_IN_BOOTBLOCK/_ROMSTAGE logicJoel Kitching
Fix up the logic of when to include VBOOT2_WORK symbols on x86, which are only needed when VBOOT_STARTS_IN_BOOTBLOCK is enabled. Also correct the value of the __PRE_RAM__ macro in the case that VBOOT_STARTS_IN_ROMSTAGE is selected. In this case, DRAM is already up and verstage should not be considered pre-ram. BUG=b:124141368, b:124192753 TEST=Build locally for eve TEST=util/lint/checkpatch.pl -g origin/master..HEAD TEST=util/abuild/abuild -B -e -y -c 50 -p none -x TEST=make clean && make test-abuild BRANCH=none Change-Id: Ie51e8f93b99ab230f3caeede2a33ec8b443e3d7a Signed-off-by: Joel Kitching <kitching@google.com> Reviewed-on: https://review.coreboot.org/c/31541 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2019-01-28vboot: Makefile: Also apply CPPFLAGS include path fixups to ccoptsJulius Werner
In some cases (e.g. Arm architecture variants), include paths are stuck into <stage>-generic-ccopts rather than CPPFLAGS_<stage> (in fact, the whole redundancy between these two is kinda stupid and we should probably eliminate the latter, but I don't want to get into that right now). This patch makes sure those paths are also correctly translated when invoking $(MAKE) for vboot. Change-Id: I37f09b88e555567590664e0e6fac23c34fd887df Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31084 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2018-11-28security/vboot: Add VB2_LIB to romstage sources without dependenciesWerner Zeh
The coming feature "measured boot" relies on VB2_LIB in romstage. In the case where there is no separate verstage, compile the library just for romstage as it will then be shared across verstage and romstage code. If there is a separate verstage, compile the library separately for verstage and romstage. Change-Id: I8126c21b8fbe8dd65d95af49cbe2ad776b8ef605 Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/c/29827 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2018-11-08security/vboot: Add selection for firmware slots used by VBOOTPhilipp Deppenwiese
Make the firmware slot configuration in VBOOT selectable. The following three modes are available: -RO only -RO + RW_A -RO + RW_A + RW_B The mode "RO only" is the lowest mode with no safety during update. You can select either RW_A or RW_AB via Kconfig which will add the selected parttions to the final image. Change-Id: I278fc060522b13048b00090b8e5261c14496f56e Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org> Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/27714 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2018-11-08security/vboot: Add VB2_LIB to postcar stage if availableWerner Zeh
VB2_LIB will be used across all stages to hash data. Add it to postcar stage sources so that it is compiled if postcar exists. In this way the new function tpm_measure_region() introduced in commit 61322d7 (security/tpm: Add function to measure a region device) can be used in every stage. Change-Id: I933d33b0188d1b123bb4735722b6086e7786624f Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/29465 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2018-10-31security/tpm: Add function to measure a region deviceWerner Zeh
Add a new function which can hash a given region device and extend a PCR in the TPM with the result. The needed SHA algorithms are included from 3rdparty/vboot and thus not duplicated in the coreboot tree. For now VB2_LIB is not usable in postcar stage. Follow-up commits will add the ability to use the lib in postcar as well. Once this feature is ready, the library will be included in postcar stage to make this function available in every stage. Change-Id: I126cc3500fd039d63743db78002a04d201ab18aa Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/29234 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2018-10-31security/vboot: build vboot_fw20.a per stagePatrick Georgi
When used more widely across the tree, we don't want to have to worry if all its users are on the same architecture (eg. aarch32 vs aarch64), so just build their own library for each stage. Change-Id: Ib6807ff73c2713f3b23f43055325b2c40ff1a17d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/29253 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2018-10-08Move compiler.h to commonlibNico Huber
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>
2018-08-13security/vboot/Makefile: Use shell cat instead of make file commandRaul E Rangel
The make `file` command is apparently a v4.2 feature only. Replace it with a shell cat. BUG=none TEST=verified fwid.region was created correctly Change-Id: I5e32a521ad3e6759853f0cde2e4c4db6e564d3be Signed-off-by: Raul E Rangel <rrangel@chromium.org> Reviewed-on: https://review.coreboot.org/27990 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Julius Werner <jwerner@chromium.org>
2018-08-08security/vboot: Split fwid.region build targetRaul E Rangel
Add the ability to specify the fwid version via a file instead of via config. This makes it so when doing an incremental build all objects are not invalidated when bumping the fwid. The coreboot ebuild will create this file to pass the latest version. BUG=b:112267918 TEST=ran dmidecide -t 0 and verified version was present Change-Id: I955106efd648a75a1311f24ede46bd238d1517e0 Signed-off-by: Raul E Rangel <rrangel@chromium.org> Reviewed-on: https://review.coreboot.org/27884 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2018-07-17security/vboot: Add interface for FSP 2.0 mrc cachingPhilipp Deppenwiese
* Move vboot/tpm specific implementation to vboot. * Only call functions if CONFIG_FSP2_0_USES_TPM_MRC_HASH is set. * Preparation for software hash function support, no logic changed. Change-Id: I41a458186c7981adaf3fea8974adec2ca8668f14 Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org> Reviewed-on: https://review.coreboot.org/24904 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-06-28vboot: Fix linking error with USE_OPTION_TABLE enabledPatrick Rudolph
Fix a linking problem with VBOOT and USE_OPTION_TABLE enabled. Make use of cbfs_locate_file_in_region() and always search the cmos_layout.bin in the 'COREBOOT' region. With this change applied there's no need to include the vboot_locator in SMM any more, we can't break NVRAM with different CMOS layouts, and we keep VBOOT and non VBOOT behaviour the same. Only include cmos_layout.bin and cmos.default in RO region. Add notes explaining the decisions. Tested on Intel Sandybridge, builds and boots with vboot enabled. Change-Id: I10ae94d7936581bbb5ea49384122062bd4934ea5 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/26863 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-04-09vboot: Add support for reading GBB flagsFurquan Shaikh
This change adds basic support for reading flags from GBB header located in "GBB" section on SPI flash. Change-Id: I35ecb5ba964511379baa4e9f458ba2e8c6b74b4e Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/25459 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2018-03-26vboot: Update to most recent GBB flag usageJulius Werner
This patch changes the GBB flag configuration to the latest usage in upstream vboot (as of https://chromium-review.googlesource.com/976660). Change-Id: I585d662d7de34b4964d028e3d06b4df5665fbe9e Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/25346 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-10-22security/vboot: Move vboot2 to security kconfig sectionPhilipp Deppenwiese
This commit just moves the vboot sources into the security directory and fixes kconfig/makefile paths. Fix vboot2 headers Change-Id: Icd87f95640186f7a625242a3937e1dd13347eb60 Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org> Reviewed-on: https://review.coreboot.org/22074 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
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