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2016-09-12src/arch: Improve code formattingElyes HAOUAS
Change-Id: Ic1ca6c2e1cd06800d7eb2d00ac0b328987d022ef Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/16434 Tested-by: build bot (Jenkins) Reviewed-by: Omar Pakker
2016-08-29arch/riscv: Add missing "break;"Jonathan Neuschäfer
Change-Id: Iea3f12a5a7eb37586f5424db2d7a84c4319492f8 Reported-by: Coverity (1361947) Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16335 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
2016-08-23arch/riscv: Add functions to read/write memory on behalf of supervisor/user modeJonathan Neuschäfer
Normally machine-mode code operates completely within physical address space. When emulating less privileged memory accesses (e.g. when the hardware doesn't support unaligned read/write), it is useful to access memory through the MMU (and with virtual addresses); this patch implements this functionality using the MPRV bit. Change-Id: Ic3b3301f348769faf3ee3ef2a78935dfbcbd15fd Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16260 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-23arch/riscv: Map the kernel space into RAM (2GiB+)Jonathan Neuschäfer
Change-Id: I273e9d20e02f0333f28e0fc2adcc7940578ea93e Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16263 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-23arch/riscv: Implement the SBI againJonathan Neuschäfer
Not all SBI calls are implemented, but it's enough to see a couple dozen lines of Linux boot output. It should also be noted that the SBI is still in flux: https://groups.google.com/a/groups.riscv.org/forum/#!topic/sw-dev/6oNhlW0OFKM Change-Id: I80e4fe508336d6428ca7136bc388fbc3cda4f1e4 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16119 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-23arch/riscv: Enable U-mode/S-mode counters (stime, etc.)Jonathan Neuschäfer
Change-Id: Ie62f60b2e237fa4921384e3894569ae29639f563 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16262 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-23arch/riscv: Fix unaligned memory access emulationJonathan Neuschäfer
Change-Id: I06c6493355f25f3780f75e345c517b434912696f Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16261 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-23arch/riscv: Delegate exceptions to supervisor mode if appropriateJonathan Neuschäfer
Change-Id: I1c8127412af0f9acc5b5520dc324ac145e59a4bd Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16160 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-08-23arch/riscv: Print the page table structure after constructionJonathan Neuschäfer
A new Kconfig option, DEBUG_PRINT_PAGE_TABLES, is added to control this behaviour. It is currently only available on RISC-V, but other architectures can use it, too, should the need arise. Change-Id: I52a863d8bc814ab3ed3a1f141d0a77edc6e4044d Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16015 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-08-15arch/riscv: Improve and refactor trap handling diagnosticsJonathan Neuschäfer
Change-Id: I57032f958c88ea83a420e93b459df4f620799d84 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16016 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-15arch/riscv: Set the stack pointer upon trap entryJonathan Neuschäfer
Change-Id: I52fae62bc6cf775179963720fbcfaa9e07f6a717 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16017 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-11arch/riscv: Fix the page table setup codeJonathan Neuschäfer
In particular: - Fix the condition of the loop that fills the mid-level page table - Adhere to the format of sptbr Change-Id: I575093445edfdf5a8f54b0f8622ff0e89f77ccec Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16120 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-11arch/riscv: Update encoding.h and dependent filesJonathan Neuschäfer
I copied it from commit e10d2def7d of spike and made sure the copyright header is still there. Change-Id: Ie8b56cd2f4855b97d36a112a195866f4ff0feec5 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15832 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2016-08-04src/arch/riscv/id.S: Don't hardcode the stringsJonathan Neuschäfer
Change-Id: Ide87c45806c5e58775c77e7f780efb4cf81a70c9 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/16014 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-08-02arch/riscv: Add include/arch/barrier.hJonathan Neuschäfer
mb() is used in src/arch/riscv/ and src/mainboard/emulation/*-riscv/. It is currently provided by atomic.h, but I think it fits better into barrier.h. The "fence" instruction represents a full memory fence, as opposed to variants such as "fence r, rw" which represent a partial fence. An operating system might want to use precisely the right fence, but coreboot doesn't need this level of performance at the cost of simplicity. Change-Id: I8d33ef32ad31e8fda38f6a5183210e7bd6c65815 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15830 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-07-28arch/riscv: Refactor bootblock.SJonathan Neuschäfer
A few things are currently missing: - The trap handler doesn't set the stack pointer, which can easily result in trap loops or memory corruptions. - The SBI trampolin page (as described in version 1.9 of the RISC-V Privileged Architecture Specification), has been removed for now. Change-Id: Id89c859fab354501c94a0e82d349349c29fa4cc6 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15591 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-07-28arch/riscv: Only initialize virtual memory if it's availableJonathan Neuschäfer
And do the detection just before the initialization. Change-Id: I9a52430262f799baa298dc4f4ea459880abe250e Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15831 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-07-28arch/riscv: Remove spinlock code from atomic.hJonathan Neuschäfer
These functions are not used anywhere. Change-Id: Ica1f4650e8774dd796be0aff00054f3698087816 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15829 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-07-19arch/riscv: Enable unaligned load handlingJonathan Neuschäfer
Change-Id: If1c63971335a6e2963e01352acfa4bd0c1d86bc2 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15590 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-07-18arch/riscv: Remove enter_supervisorJonathan Neuschäfer
This function is unused since coreboot starts payloads in machine mode, and it uses the obsolete eret instruction. Change-Id: I98d7d0de5a3959821c21a0ba4319efb610fdefde Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15729 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-07-18arch/riscv: Change all eret instructions to .word 0x30200073 (mret)Jonathan Neuschäfer
Using the opcode directly is necessary for the transition to the GCC 6.1.0 based toolchain, because the old toolchain only supports eret and the new toolchain only supports mret. Change-Id: I17e14d4793ae5259f7ce3ce0211cbb27305506cc Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15290 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-07-14spike-riscv: Look for the CBFS in RAMJonathan Neuschäfer
Change-Id: I98927a70adc45d9aca916bd985932b94287921de Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15285 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins)
2016-07-14arch/riscv: Unconditionally start payloads in machine modeJonathan Neuschäfer
Ron Minnich writes: "we'll change cbfstool to put a header on the payload to jump to supervisor if that is desired. The principal here is that payloads are always started in machine mode, but we want to set the page tables up for them." Change-Id: I5cbfc90afd3febab33835935f08005136a3f47e9 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15510 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-06-28riscv/bootblock.S: Register machine-mode, not supervisor-mode trap handlerJonathan Neuschäfer
Change-Id: Ic42d8490cc02a3907e2989435aab786f7c0f39c9 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15287 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-06-28arch/riscv: Show fault PC and load address on load access faultsJonathan Neuschäfer
Change-Id: Ib0535bf25ce25550cc17f64177f804a70aa13fb3 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15286 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-06-28arch/riscv: Move _start to the beginning of the bootblockJonathan Neuschäfer
The different entry points (0x100, 0x140, ...), which were defined in the RISC-V Privileged Specification 1.7, aren't used anymore. Instead the Spike bootrom jumps at the start of our image, and traps are handled through mtvec. Change-Id: I865adec5e7a752a25bac93a45654ac06e27d5a8e Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15283 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-06-24region: Add writeat and eraseat supportAntonello Dettori
Implement writeat and eraseat support into the region_device_ops struct. Change-Id: Iac2cf32e523d2f19ee9e5feefe1fba8c68982f3d Signed-off-by: Antonello Dettori <dev@dettori.io> Reviewed-on: https://review.coreboot.org/15318 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-06-21riscv-spike: Move coreboot to 0x80000000 (2GiB)Jonathan Neuschäfer
This is where the RAM is (now), on RISC-V. We need to put coreboot.rom in RAM because Spike (at the moment) only supports loading code into the RAM, not into the boot ROM. Change-Id: I6c9b7cffe5fa414825491ee4ac0d2dad59a2d75c Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15149 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-06-12arch/riscv: Compile with -mcmodel=medanyJonathan Neuschäfer
In the default (medlow) code model, pointers are loaded with a lui, addi instruction sequence: lui a0, 0xNNNNN addi a0, a0, 0xNNN Since lui sign-extends bits 32-63 from bit 31 on RV64, lui/addi can't load pointers just above 0x80000000, where RISC-V's RAM now lives. The medany code model gets around this restriction by loading pointers trough auipc and addi: auipc a0, 0xNNNNN addi a0, a0, 0xNNN This way, any pointer within the current pc ±2G can be loaded, which is by far sufficient for coreboot. Change-Id: I77350d9218a687284c1337d987765553cf915a22 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15148 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-06-12arch/riscv: Add misc.c to bootblock/romstage to get udelay()Jonathan Neuschäfer
The uart8250mem driver needs it. Change-Id: I09e6a17cedf8a4045f008f5a0d225055d745e8db Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15147 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-06-12arch/riscv: copy read/write8/16/32 from x86Jonathan Neuschäfer
Change-Id: I12de8f82499074f0fbbc1c09210b00c6a9614c1b Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/15146 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-06-12arch/riscv/trap_util.S: Use "li" pseudo-instruction to load a constantJonathan Neuschäfer
Change-Id: I9759771fa6fc708d7d97509c5f5e0cefb8ab4c96 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/14962 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-05-03build system: remove CBFSTOOL_PRE1_OPTSPatrick Georgi
It isn't used anymore. Change-Id: Ie554d1dd87ae3f55547466e484c0864e55c9d102 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: https://review.coreboot.org/14567 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-05-02lib/coreboot_table: use the architecture dependent table sizeAaron Durbin
Utilize the architecture dependent coreboot table size value from <arch/cbconfig.h> Change-Id: I80d51a5caf7c455b0b47c380e1d79cf522502a4c Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14455 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins)
2016-05-02arch: introduce architecture dependent common variablesAaron Durbin
Stefan and others have discussed their interest in only including options in Kconfig that are directly associated with building a coreboot image. There are variables that are architecture dependent that are utilized in the coreboot infrastructure. To meet that goal, introduce <arch/cbconfig.h> header file which defines variables for the coreboot infrastructure that are architecture dependent but utilized in common infrastructure. Change-Id: Ic4cb9e81bab042797539dce004db0f7ee8526ea6 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14454 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins)
2016-04-21lib: add common write_tables() implementationAaron Durbin
In order to de-duplicate common patterns implement one write_tables() function. The new write_tables() replaces all the architecture-specific ones that were largely copied. The callbacks are put in place to handle any per-architecture requirements. Change-Id: Id3d7abdce5b30f5557ccfe1dacff3c58c59f5e2b Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14436 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-04-21lib/coreboot_table: add architecture hooks for adding tablesAaron Durbin
Add a architecture specific function, arch_write_tables(), that allows an architecture to add its required tables for booting. This callback helps write_tables() to be de-duplicated. Change-Id: I805c2f166b1e75942ad28b6e7e1982d64d2d5498 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14435 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-04-21lib/bootmem: allow architecture specific bootmem rangesAaron Durbin
A architecture-specific function, named bootmem_arch_add_ranges(), is added so that each architecture can add entries into the bootmem memory map. This allows for a common write_tables() implementation to avoid code duplication. Change-Id: I834c82eae212869cad8bb02c7abcd9254d120735 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14434 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-04-21arch: only print cbmem entries in one placeAaron Durbin
Each arch was calling cbmem_list() in their own write_tables() function. Consolidate that call and place it in common code in write_coreboot_table(). Change-Id: If0d4c84e0f8634e5cef6996b2be4a86cc83c95a9 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14430 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-04-21arch: use Kconfig variable for coreboot table sizeAaron Durbin
Instead of hard coding a #define in each architecture's tables.c for the coreboot table size in cbmem use a Kconfig varible. This aids in aligning on a common write_tables() implementation instead of duplicating the code for each architecture. Change-Id: I09c0f56133606ea62e9a9c4c6b9828bc24dcc668 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14429 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-04-21arch/riscv/tables: remove confusion over write_tables()Aaron Durbin
Apparently the memo was missed about the write_tables() signature. Fix the confusion. Change-Id: I8ef367345dd54584c57e9d5cd8cc3d81ce109fef Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14421 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-04-08Change la to li (load immediate)Ronald G. Minnich
This used to build, but will not with newer toolchains. Change-Id: I0f397839eb85977ba18328b0e32040b15a6c3b0f Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: https://review.coreboot.org/14296 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-03-09Makefile: Add build-time overlap check for programs loaded after corebootJulius Werner
On non-x86 platforms, coreboot uses the memlayout.ld mechanism to statically allocate the different memory regions it needs and guarantees at build time that there are no dangerous overlaps between them. At the end of its (ramstage) execution, however, it usually loads a payload (and possibly other platform-specific components) that is not integrated into the coreboot build system and therefore cannot provide the same overlap guarantees through memlayout.ld. This creates a dangerous memory hazard where a new component could be loaded over memory areas that are still in use by the code-loading ramstage and lead to arbitrary memory corruption bugs. This patch fills this gap in our build-time correctness guarantees by adding the necessary checks as a new intermediate Makefile target on route to assembling the final image. It will parse the memory footprint information of the payload (and other platform-specific post-ramstage components) from CBFS and compare it to a list of memory areas known to be still in use during late ramstage, generating a build failure in case of a possible hazard. BUG=chrome-os-partner:48008 TEST=Built Oak while moving critical regions in the way of BL31 or the payload, observing the desired build-time errors. Built Nyan, Jerry and Falco without issues for good measure. Change-Id: I3ebd2c1caa4df959421265e26f9cab2c54909b68 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13949 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-02-22die() when attempting to use bounce buffer on non-i386.Vladimir Serbinenko
Only i386 has code to support bounce buffer. For others coreboot would silently discard part of binary which doesn't work and is a hell to debug. Instead just die. Change-Id: I37ae24ea5d13aae95f9856a896700a0408747233 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: https://review.coreboot.org/13750 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-19lib/coreboot_table: add function to allow arch code to add recordsAaron Durbin
Add lb_arch_add_records() to allow the architecture code to generically hook into the coreboot table generation. BUG=chrome-os-partner:50214 BRANCH=glados TEST=With all subsequent patches confirmed lb_arch_add_records() is called when a strong symbol is provided. Change-Id: I7c69c0ff0801392bbcf5aef586a48388b624afd4 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/13669 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
2016-02-19RISC-V: Add more debug info to debug printksAndrew Waterman
Change-Id: I49292e69a5636c675bb8ed7cfe4462ca8189487e Signed-off-by: Andrew Waterman <waterman@cs.berkeley.edu> Reviewed-on: https://review.coreboot.org/13736 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins)
2016-02-19RISC-V: Make inline asm usage saferAndrew Waterman
Change-Id: Id547c98e876e9fd64fa4d12239a2608bfd2495d2 Signed-off-by: Andrew Waterman <aswaterman@gmail.com> Reviewed-on: https://review.coreboot.org/13735 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins)
2016-02-11arches: lib: add main_decl.h for main() declarationAaron Durbin
It is silly to have a single header to declare the main() symbol, however some of the arches provided it while lib/bootblock.c relied on the arch headers to declare it. Just move the declaration into its own header file and utilize it. Change-Id: I743b4c286956ae047c17fe46241b699feca73628 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/13681 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins)
2016-02-11arch/{arm64,riscv}: remove jmp_to_elf_entry() declarationAaron Durbin
jmp_to_elf_entry() is not defined anywhere. Remove it. Change-Id: I68f996a735f2ef3dd60cf69f9b72c3f1481cbb55 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/13680 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-02-11arch: remove stage_exit()Aaron Durbin
It's no longer used. Remove it. Change-Id: Id6f4084ab9d671e94f0eee76bf36fad9a174ef14 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/13678 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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