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2016-05-09coreboot_tables: Extend serial port descriptionLee Leahy
Extend the serial port description to include the input clock frequency and a payload specific value. Without the input frequency it is impossible for the payload to compute the baud-rate divisor without making an assumption about the frequency. This breaks down when the UART is able to support multiple input clock frequencies. Add the UART_PCI_ADDR Kconfig value to specify the unique PCI device being used as the console UART. Specify this value as zero when the UART is not on the PCI bus. Otherwise specify the device using bus, device and function along with setting the valid bit. Currently the only payload to consume these new fields is the EDK-II CorebootPayloadPkg. Testing on Galileo: * Edit the src/mainboard/intel/galileo/Makefile.inc file: * Add "select ADD_FSP_PDAT_FILE" * Add "select ADD_FSP_RAW_BIN" * Add "select ADD_RMU_FILE" * Place the FSP.bin file in the location specified by CONFIG_FSP_FILE * Place the pdat.bin files in the location specified by CONFIG_FSP_PDAT_FILE * Place the rmu.bin file in the location specified by CONFIG_RMU_FILE * Build EDK2 CorebootPayloadPkg/CorebootPayloadPkgIa32.dsc to generate UEFIPAYLOAD.fd * Testing is successful when CorebootPayloadPkg is able to properly initialize the serial port without using built-in values. Change-Id: Id4b4455bbf9583f0d66c315d38c493a81fd852a8 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/14609 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-04-25ensure correct byte ordering for cbfs segment listGeorge Trudeau
Decode each cbfs_payload_segment into native byte order during segments iteration. Note : List ordering has been changed, segments are now always inserted at the end. cbfs_serialized.h PAYLOAD_SEGMENT definitions have been changed to their standard order (big-endian). Change-Id: Icb3c6a7da2d253685a3bc157bc7f5a51183c9652 Signed-off-by: George Trudeau <george.trudeau@usherbrooke.ca> Reviewed-on: https://review.coreboot.org/14294 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-03-23arch/x86: introduce postcar stage/phaseAaron Durbin
Certain chipsets don't have a memory-mapped boot media so their code execution for stages prior to DRAM initialization is backed by SRAM or cache-as-ram. The postcar stage/phase handles the cache-as-ram situation where in order to tear down cache-as-ram one needs to be executing out of a backing store that isn't transient. By current definition, cache-as-ram is volatile and tearing it down leads to its contents disappearing. Therefore provide a shim layer, postcar, that's loaded into memory and executed which does 2 things: 1. Tears down cache-as-ram with a chipset helper function. 2. Loads and runs ramstage. Because those 2 things are executed out of ram there's no issue of the code's backing store while executing the code that tears down cache-as-ram. The current implementation makes no assumption regarding cacheability of the DRAM itself. If the chipset code wishes to cache DRAM for loading of the postcar stage/phase then it's also up to the chipset to handle any coherency issues pertaining to cache-as-ram destruction. Change-Id: Ia58efdadd0b48f20cfe7de2f49ab462306c3a19b Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14140 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-03-05lz4_wrapper: Use __asm__ rather than asm.Vladimir Serbinenko
__asm__ is more robust to compilation flags. Change-Id: Ic7ca6e38ddd439dcfc4a62ef272ecea62416b4be Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: https://review.coreboot.org/13905 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner <jwerner@chromium.org>
2016-02-25cbfs: Fix compiler error for gcc versions < 4.6Werner Zeh
The missing braces for access to a union member cause an error on gcc versions < 4.6. Change-Id: I7de14a6d89219f5376f4f969adecfe8014a5a9d8 Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/13776 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-24commonlib/lz4_wrapper: Use correct casts to ensure valid calculationsPaul Menzel
Commit 09f2921b (cbfs: Add LZ4 in-place decompression support for pre-RAM stages) breaks building cbfstool with gcc (Debian 4.9.2-10) 4.9.2 in Debian 8.3 (jessie) with a 32-bit user space. It works fine in a 64-bit user space. ``` /home/joey/src/coreboot/src/commonlib/lz4_wrapper.c:164:18: note: in expansion of macro 'MIN' size_t size = MIN((uint32_t)b.size, dst + dstn - out); ^ /home/joey/src/coreboot/src/commonlib/include/commonlib/helpers.h:29:35: error: signed and unsigned type in conditional expression [-Werror=sign-compare] #define MIN(a,b) ((a) < (b) ? (a) : (b)) ^ ``` The problem is arithmetic on void*, so explicitly cast to the wanted types as suggested by user *redi* in #gcc@irc.freenode.net. Change-Id: I85bee25a69c432ef8bb934add7fd2e2e31f03662 Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: https://review.coreboot.org/13771 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)
2016-02-22cbfs: Add LZ4 in-place decompression support for pre-RAM stagesJulius Werner
This patch ports the LZ4 decompression code that debuted in libpayload last year to coreboot for use in CBFS stages (upgrading the base algorithm to LZ4's dev branch to access the new in-place decompression checks). This is especially useful for pre-RAM stages in constrained SRAM-based systems, which previously could not be compressed due to the size requirements of the LZMA scratchpad and bounce buffer. The LZ4 algorithm offers a very lean decompressor function and in-place decompression support to achieve roughly the same boot speed gains (trading compression ratio for decompression time) with nearly no memory overhead. For now we only activate it for the stages that had previously not been compressed at all on non-XIP (read: non-x86) boards. In the future we may also consider replacing LZMA completely for certain boards, since which algorithm wins out on boot speed depends on board-specific parameters (architecture, processor speed, SPI transfer rate, etc.). BRANCH=None BUG=None TEST=Built and booted Oak, Jerry, Nyan and Falco. Measured boot time on Oak to be about ~20ms faster (cutting load times for affected stages almost in half). Change-Id: Iec256c0e6d585d1b69985461939884a54e3ab900 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13638 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-19x86: add coreboot table entry for TSC infoAaron Durbin
The 8254 (Programmable Interrupt Timer) is becoming optional on x86 platforms -- either from saving power or not including it at all. To allow a payload to still use a TSC without doing calibration provide the TSC frequency information in the coreboot tables. That data is provided by code/logic already employed by platform. If tsc_freq_mhz() returns 0 or CONFIG_TSC_CONSTANT_RATE is not selected the coreboot table record isn't created. BUG=chrome-os-partner:50214 BRANCH=glados TEST=With all subsequent patches confirmed TSC is picked up in libpayload. Change-Id: Iaeadb85c2648587debcf55f4fa5351d0c287e971 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/13670 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
2016-02-02commonlib: move uefi includes out of commonlib includesStefan Reinauer
... and move them into the code using them, instead. Change-Id: I2391234797ad00da8038dda198eadf0b0fcaedb2 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: https://review.coreboot.org/13526 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-27chromeos: Add timestamps to measure VPD read timesJulius Werner
This patch adds three timestamps to coreboot and the cbmem utility that track the time required to read in the Chrome OS Vital Product Data (VPD) blocks (RO and RW). It's useful to account for these like all other large flash accesses, since their size is variable. BRANCH=None BUG=None TEST=Booted Oak, found my weird 100ms gap at the start of ramstage properly accounted for. Change-Id: I2024ed4f7d5e5ae81df9ab5293547cb5a10ff5e0 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: b97288b5ac67ada56e2ee7b181b28341d54b7234 Original-Change-Id: Ie69c1a4ddb6bd3f1094b3880201d53f1b5373aef Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/322831 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: https://review.coreboot.org/13139 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-18commonlib/: Add missing license headersMartin Roth
These files are original to coreboot and get the standard coreboot GPL header. Change-Id: I19565b0d2424a6f37a95ab4d7b16742d23122d1e Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/12919 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2016-01-06commonlib: Add function to hash contents of a CBFS region.Aaron Durbin
Provide a common routine to hash the contents of a cbfs region. The cbfs region is hashed in the following order: 1. potential cbfs header at offset 0 2. potential cbfs header retlative offset at cbfs size - 4 3. For each file the metadata of the file. 4. For each non-empty file the data of the file. BUG=chrome-os-partner:48412 BUG=chromium:445938 BRANCH=None TEST=Utilized in chromeos cros_bundle_firmware as well as at runtime during vboot verification on glados. Change-Id: Ie1e5db5b8a80d9465e88d3f69f5367d887bdf73f Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12786 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins)
2016-01-06commonlib/cbfs: Add type ids for empty filesPatrick Georgi
We will soon need to handle empty files. Change-Id: Ia72a4bff7d9bb36f6a6648c3dd89e86593d80761 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/12785 Tested-by: build bot (Jenkins)
2016-01-06commonlib: Prepare code to be included in cbfstool builds.Aaron Durbin
Some of the files need to be adjusted so that they can be used both in cbfstool as well as coreboot proper. For coreboot, add a <sys/types.h> file such that proper types can be included from both the tools and coreboot. The other chanes are to accomodate stricter checking in cbfstool. BUG=chrome-os-partner:48412 BUG=chromium:445938 BRANCH=None TEST=Built on glados including tools. Booted. Change-Id: I771c6675c64b8837f775427721dd3300a8fa1bc0 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12784 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-01-06commonlib: Add common cbfs parsing logic to coreboot and cbfstool.Aaron Durbin
To continue sharing more code between the tools and coreboot proper provide cbfs parsing logic in commonlib. A cbfs_for_each_file() function was added to allow one to act on each file found within a cbfs. cbfs_locate() was updated to use that logic. BUG=chrome-os-partner:48412 BUG=chromium:445938 BRANCH=None TEST=Utilized and booted on glados. Change-Id: I1f23841583e78dc3686f106de9eafe1adbef8c9f Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12783 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-01-06commonlib: Add function to compute relative offsets from two region_devices.Aaron Durbin
Provide a helper function which returns the relative offset between 2 region_devices that have a parent-child child relationship. BUG=chrome-os-partner:48412 BUG=chromium:445938 BRANCH=None TEST=Utilized and booted on glados. Change-Id: Ie0041b33e73a6601748f1289e98b6f1f8756eb11 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12782 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-12-10cbfs/vboot: remove firmware component supportAaron Durbin
The Chrome OS verified boot path supported multiple CBFS instances in the boot media as well as stand-alone assets sitting in each vboot RW slot. Remove the support for the stand-alone assets and always use CBFS accesses as the way to retrieve data. This is implemented by adding a cbfs_locator object which is queried for locating the current CBFS. Additionally, it is also signalled prior to when a program is about to be loaded by coreboot for the subsequent stage/payload. This provides the same opportunity as previous for vboot to hook in and perform its logic. BUG=chromium:445938 BRANCH=None TEST=Built and ran on glados. CQ-DEPEND=CL:307121,CL:31691,CL:31690 Change-Id: I6a3a15feb6edd355d6ec252c36b6f7885b383099 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12689 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-11-23commonlib/cbmem_id.h: Add CBMEM_ID_HOB_POINTER to CBMEM_ID_TO_NAME_TABLEBen Gardner
fsp-based platforms have this ID, so give it a name. Change-Id: Idce4dbb60b7b3581e18046e66183a7c91b17abd7 Signed-off-by: Ben Gardner <gardner.ben@gmail.com> Reviewed-on: http://review.coreboot.org/12485 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-11-20intel: Add MMA feature in corebootPratik Prajapati
This patch implements Memory Margin Analysis feature in coreboot. Few things to note (1) the feature is enabled by setting CONFIG_MMA=y in the config file (2) coreboot reads mma_test_metadata.bin from cbfs during romstage and gets the name of MMA test name and test config name. Then coreboot finds these files in CBFS. If found, coreboot passes location and size of these files to FSP via UPD params. Sets MrcFastBoot to 0 so that MRC happens and then MMA test would be executed during memory init. (3) FSP passes MMA results data in HOB and coreboot saves it in cbmem (4) when system boots to OS after test is executed cbmem tool is used to grab the MMA results data. BRANCH=none BUG=chrome-os-partner:43731 TEST=Build and Boot kunimitsu (FAB3) and executed MMA tests Not tested on Glados CQ-DEPEND=CL:299476,CL:299475,CL:299474,CL:299473,CL:299509,CL:299508,CL:299507,CL:*230478,CL:*230479 Change-Id: I0b4524abcf57db4d2440a06a79b5a0f4b60fa0ea Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 4aba9b728c263b9d5da5746ede3807927c9cc2a7 Original-Change-Id: Ie2728154b49eac8695f707127334b12e345398dc Original-Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/299476 Original-Commit-Ready: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com> Original-Tested-by: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-by: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com> Reviewed-on: http://review.coreboot.org/12481 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-11-19vendorcode/google/chromeos: Cache VPD data into CBMEMHung-Te Lin
There are few drawbacks reading VPD from SPI flash in user land, including "lack of firmware level authority" and "slow reading speed". Since for many platforms we are already reading VPD in firmware (for example MAC and serial number), caching the VPD data in CBMEM should will speed up and simplify user land VPD processing without adding performance cost. A new CBMEM ID is added: CBMEM_ID_VPD, referring to a structure containing raw Google VPD 2.0 structure and can be found by the new LB_TAG_VPD in Coreboot tables. BRANCH=smaug BUG=chrome-os-partner:39945 TEST=emerge-smaug coreboot chromeos-bootimage # and boots successfully. [pg: lots of changes to make it work with what happened in upstream since 2013] Change-Id: If8629ac002d52abed7b480d3d06298665613edbf Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 117a9e88912860a22d250ff0e53a7d40237ddd45 Original-Change-Id: Ic79f424a6e3edfb6c5d168b9661d61a56fab295f Original-Signed-off-by: Hung-Te Lin <hungte@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/285031 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/12453 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)
2015-11-09commonlib: Remove unused static function.zbao
Building with Clang without option -Wno-unused-function causes building error. I don't know why GCC doesn't have that issue. ------------ coreboot/src/commonlib/fsp1_1_relocate.c:47:23: error: unused function 'le8toh' [-Werror,-Wunused-function] static inline uint8_t le8toh(uint8_t byte) ^ 1 error generated. ------------ Change-Id: Iecd1e84e4321446412ef68d65dc918baf1ab45ce Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: http://review.coreboot.org/12339 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: York Yang <york.yang@intel.com>
2015-11-07arm64: remove spin table supportAaron Durbin
As ARM Trusted Firmware is the only first class citizen for booting arm64 multi-processor in coreboot remove spintable support. If SoCs want to bring up MP then ATF needs to be ported and integrated. Change-Id: I1f38b8d8b0952eee50cc64440bfd010b1dd0bff4 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11908 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner <jwerner@chromium.org>
2015-11-03cbmem: add coreboot table records for each cbmem entryAaron Durbin
In order to not expose the cbmem data structures to userland that are used by coreboot internally add each of the cbmem entries to a coreboot table record. The payload ABI uses coreboot tables so this just provides a shortcut for cbmem entries which were manually added previously by doing the work on behalf of all entries. A cursor structure and associated functions are added to the imd code for walking the entries in order to be placed in the coreboot tables. Additionally a struct lb_cbmem_entry is added that lists the base address, size, and id of the cbmem entry. BUG=chrome-os-partner:43731 BRANCH=None TEST=Booted glados. View coreboot table entries with cbmem. Change-Id: I125940aa1898c3e99077ead0660eff8aa905b13b Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11757 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)
2015-10-31tree: drop last paragraph of GPL copyright headerPatrick Georgi
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>
2015-10-29commonlib/region: add xlate_region_deviceAaron Durbin
There are cases where one region_device needs to be accessed using offset/sizes from one address space that need the offset translated into a different address space for operations to take place. The xlate_region_device provides an offset that is subtracted from the incoming transaction before deferring to the backing access region. Change-Id: I41d43924bb6fbc7b4d3681877543209e1085e15c Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/12227 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2015-10-11vboot: prepare for x86 verstageAaron Durbin
In order to support x86 verstage proper the work buffer needs to live in cache-as-ram. However, after cache-as-ram is torn down one still needs the verification results to know which slot was selected. Though the platforms with a dedicated SRAM can just use the work buffer in SRAM, the x86 cache-as-ram platforms need a place to stash the results. For that situation cbmem is employed. This works because when cbmem is initialized cache-as-ram is still enabled. The VBOOT_DYNAMIC_WORK_BUFFER case assumes verified boot doesn't start until after cbmem is up. That doesn't change, but it's a goal to get rid of that option entirely once all other x86 platforms are moved over to pre-romstage vboot. BUG=chrome-os-partner:44827 BRANCH=None TEST=Built and booted glados with pre-romstage verification as well as VBOOT_DYNAMIC_WORK_BUFFER case. Change-Id: I7eacd0edb2b6ca52b59b74075d17c00b50676d4c Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11821 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-10-02commonlib/helpers.h: handle interaction with other environmentsAaron Durbin
There are compiler settings and interactions with other header files that should be handled. First use __typeof__ instead of typeof because 'std' modes don't accept typeof. The __typeof__ variant works equally well on clang. The other change is to guard the helper macros so as not to trigger redefinition errors. BUG=chrome-os-partner:44827 BRANCH=None TEST=Built cbfstool including commonlib/helpers.h Change-Id: I58890477cb17df14a9fa8b7af752a7c70769cf36 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11773 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-10-02fsp1_1: move relocation algorithm to commonlibAaron Durbin
In order to support FSP 1.1 relocation within cbfstool the relocation code needs to be moved into commonlib. To that end, move it. The FSP 1.1 relocation code binds to edk2 UEFI 2.4 types unconditionally which is separate from the FSP's version binding. BUG=chrome-os-partner:44827 BRANCH=None TEST=Built and booted glados. Change-Id: Ib2627d02af99092875ff885f7cb048f70ea73856 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11772 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-09-22commonlib: add endian related accessor functionsAaron Durbin
This commit adds read/write functions for both big and little endian interpretations. Additionally there are variants that allow an offset to be provided into the source buffer. BUG=None TEST=Wrote test harness for functions. Also booted ARM QEMU through end of payload. Change-Id: If44c4d489f0dab86a73b73580c039e364c7e517d Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11677 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2015-09-22coreboot: introduce commonlibAaron Durbin
Instead of reaching into src/include and re-writing code allow for cleaner code sharing within coreboot and its utilities. The additional thing needed at this point is for the utilities to provide a printk() declaration within a <console/console.h> file. That way code which uses printk() can than be mapped properly to verbosity of utility parameters. Change-Id: I9e46a279569733336bc0a018aed96bc924c07cdd Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11592 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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