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ARM SoC supports FEAT_CCIDX after ARMv8.3. The register field
description of CCSIDR_EL1 is different when FEAT_CCIDX is implemented.
If numsets and associativity from CCSIDR_EL1 are not correct, the system
would hang during mmu_disable().
Rather than assuming that FEAT_CCIDX is not implemented, this patch
adds a check to dcache_apply_all to use the right register format.
Reference:
- https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/12770
BUG=b:317015456
TEST=mmu_disable works on the FEAT_CCIDX supported SoC.
Change-Id: I892009890f6ae889e87c877ffffd76a33d1dc789
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82636
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
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Integrate head.S directly into libc and remove all instances of head.o.
* Drop 'separate class' entry for head.S.
* Drop special treament for head.o inside lpgcc.
* Change the .text in `x86/head.S` to `.section .text._entry`.
* Drop arch/mock/head.c, initially added as a dummy file.
Change-Id: I156d781908fcc38d455bbf9f2c29e5ab95c7775a
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82478
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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It's been several years already since we announced the deprecation of
the legacy CBFS API for payloads. It's time to remove it completely.
Change-Id: I0ed157ac2d1376b8dff4537af9a63731064b45f6
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80650
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Jakub Czapiga <czapiga@google.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
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Change-Id: Iea569fd457b3cd1f4746fbc6a96319eb42733a6b
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80586
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
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The .inc suffix is confusing to various tools as it's not specific to
Makefiles. This means that editors don't recognize the files, and don't
open them with highlighting and any other specific editor functionality.
This issue is also seen in the release notes generation script where
Makefiles get renamed before running cloc.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: Ie7038712de8cc646632d5e7d29550e3260bf2c62
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80103
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Although a section ".bss.ttb_buffer" is created automatically for
'ttb_buffer' with the GCC option '-fdata-sections', specify the section
name explicitly to make the name stand out to code readers, and to
reduce the chance of accidentally changing the section name by renaming
the variable.
Change-Id: I2930f238f63b555c4caa65709768afa314d9cf87
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80014
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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Moving it into the .ttb_buffer section will accidentally set the LOAD
flag. So, move it back to .bss.ttb_buffer section to prevent the binary
size bloating.
BUG=b:248610274
TEST=Make sure the device is still bootable with this change.
BRANCH=none
Cq-Depend: chromium:5173448
Change-Id: I9bb08878dd4be01d9ed3f96933f774dd6296f76e
Signed-off-by: Yi Chou <yich@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79800
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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If a framebuffer is already configured by coreboot, we need to ensure
that the framebuffer size is a multiple of GRANULE_SIZE before passing
to `mmu_add_memrange`. Otherwise, we would fail to allocate memory
region due to `sanity_check`.
Change-Id: Ia6a6400733ca10a61220087e87022f68c28e4789
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79451
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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We should make sure _stack/_estack and the other labels are consistent.
And _data & _edata is also useful to clean up the sensitive data on the
data section.
BUG=b:248610274
TEST=emerge-cherry libpayload
BRANCH=none
Cq-Depend: chromium:5052462
Change-Id: I589040f4db60b35813ea9f4ba9503244bd7def00
Signed-off-by: Yi Chou <yich@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79144
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
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When cleaning the sensitive data in the memory, we will want to prevent
zero out the content of tbb_buffer. Move the ttb_buffer to a standalone
section will simplify the problem.
BUG=b:248610274
TEST=emerge-cherry libpayload
BRANCH=none
Change-Id: I610276cbe30552263d791860c15e5ad9a201c744
Signed-off-by: Yi Chou <yich@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79078
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Remove dummy ARCH_SPECIFIC_OPTIONS.
Change-Id: Ia71021b8597b1d6a227292b6568351e994ad62b0
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76940
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
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The payload API of coreboot described in
https://www.coreboot.org/Payload_API does not reflect the current
handoff mechanism to hand the coreboot tables off. Therefore the
arguments supplied by coreboot (cbtable) will currently never be parsed
correctly and libpayload has to search for the coreboot tables by
iterating through memory.
This patch removes the old payload API implementation and just takes the
coreboot table pointer from the first argument on the stack.
Tested: started prodrive/atlas with coreinfo payload
Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: I51fb0cfc81043cbfe3fc9c8ea0776add2d6a42b2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74965
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Change-Id: Ieb10a881ef1d983f11318f0f6934491fd19fd0bf
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50268
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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Change-Id: I3dafffa61f4fe6089fd11ef6579626aff8088df5
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50185
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Provide get_mmu_ranges() for ARM64 to let payloads could get
MMU ranges for all used memory regions.
BUG=b:171858277
TEST=Build in x86, arm, arm64.
emerge-zork libpayload depthcharge
emerge-nyan libpayload depthcharge
emerge-asurada libpayload depthcharge
Signed-off-by: Meng-Huan Yu <menghuan@google.com>
Change-Id: I39b24aefc9dbe530169b272e839d0e1e7c697742
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48113
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
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Change-Id: I6faeb7c783052edc4217d2d301dbb905e1fc6a19
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44605
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
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Our AArch64 code supports dynamic framebuffer allocation which
makes it necessary to change the framebuffer information during
runtime. Having a pointer inside `libsysinfo` made a mess of it
as the pointer would either refer to the original struct inside
the coreboot table or to a new struct inside payload space. The
latter would be unaffected by a relocation of the payload.
Instead of the pointer, we'll always keep a copy of the whole
struct, which can be altered on demand without affecting the
coreboot table. To align the `video/graphics` driver with the
console driver, we also replace `fbaddr` with a macro `FB` that
calls phys_to_virt().
Change-Id: I3edc09cdb502a71516c1ee71457c1f8dcd01c119
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43578
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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No other architecture in libpayload outputs anything in the main entry
routine. Let alone an exception test which looks like a real exception
to the normal user and is most likely really misleading. Silence the
startup code.
Change-Id: I6e49f24ad46ce578a4bb111c2d623ca4470a1866
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43126
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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There is no bfd "arm64". The correct bfdname is "aarch64". Fix it. With
this change libpayload will build with the AArch64 GCC.
Change-Id: If7a6b14691107c5d4fc67c3cd3990ecc849d4af1
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43125
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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Stefan thinks they don't add value.
Command used:
sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool)
The exceptions are for:
- crossgcc (patch file)
- gcov (imported from gcc)
- elf.h (imported from GNU's libc)
- nvramtool (more complicated header)
The removed lines are:
- fmt.Fprintln(f, "/* This file is part of the coreboot project. */")
-# This file is part of a set of unofficial pre-commit hooks available
-/* This file is part of coreboot */
-# This file is part of msrtool.
-/* This file is part of msrtool. */
- * This file is part of ncurses, designed to be appended after curses.h.in
-/* This file is part of pgtblgen. */
- * This file is part of the coreboot project.
- /* This file is part of the coreboot project. */
-# This file is part of the coreboot project.
-# This file is part of the coreboot project.
-## This file is part of the coreboot project.
--- This file is part of the coreboot project.
-/* This file is part of the coreboot project */
-/* This file is part of the coreboot project. */
-;## This file is part of the coreboot project.
-# This file is part of the coreboot project. It originated in the
- * This file is part of the coreinfo project.
-## This file is part of the coreinfo project.
- * This file is part of the depthcharge project.
-/* This file is part of the depthcharge project. */
-/* This file is part of the ectool project. */
- * This file is part of the GNU C Library.
- * This file is part of the libpayload project.
-## This file is part of the libpayload project.
-/* This file is part of the Linux kernel. */
-## This file is part of the superiotool project.
-/* This file is part of the superiotool project */
-/* This file is part of uio_usbdebug */
Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This patch makes libpayload enable the instruction cache as the very
first thing, which is similar to how we treat it in coreboot. It also
prevents the icache from being disabled again during mmu_disable() as
part of the two-stage page table setup in post_sysinfo_scan_mmu_setup().
It replaces the existing mmu_disable() implementation with the assembly
version from coreboot which handles certain edge cases better (see
CB:27238 for details).
The SCTLR flag definitions in libpayload seem to have still been
copy&pasted from arm32, so replace with the actual arm64 defintions from
coreboot.
Change-Id: Ifdbec34f0875ecc69fedcbea5c20e943379a3d2d
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38908
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
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According to the POSIX standard, %p is supposed to print a pointer "as
if by %#x", meaning the "0x" prefix should automatically be prepended.
All other implementations out there (glibc, Linux, even libpayload) do
this, so we should make coreboot match. This patch changes vtxprintf()
accordingly and removes any explicit instances of "0x%p" from existing
format strings.
How to handle zero padding is less clear: the official POSIX definition
above technically says there should be no automatic zero padding, but in
practice most other implementations seem to do it and I assume most
programmers would prefer it. The way chosen here is to always zero-pad
to 32 bits, even on a 64-bit system. The rationale for this is that even
on 64-bit systems, coreboot always avoids using any memory above 4GB for
itself, so in practice all pointers should fit in that range and padding
everything to 64 bits would just hurt readability. Padding it this way
also helps pointers that do exceed 4GB (e.g. prints from MMU config on
some arm64 systems) stand out better from the others.
Change-Id: I0171b52f7288abb40e3fc3c8b874aee14b9bdcd6
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37626
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: David Guckian
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To avoid trampling over interesting exception artifacts on the real
stack, our arm64 systems switch to a separate exception stack when
entering an exception handler. We don't want that to use up too much
SRAM so we just set it to 512 bytes. I mean it just prints a bunch of
registers, how much stack could it need, right?
Quite a bit it turns out. The whole vtxprintf() call stack goes pretty
deep, and aarch64 generally seems to be very generous with stack space.
Just the varargs handling seems to require 128 bytes for some reason,
and the other stuff adds up too. In the end the current implementation
takes 1008 bytes, so bump the exception stack size to 2K to make sure it
fits.
Change-Id: I910be4c5f6b29fae35eb53929c733a1bd4585377
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37464
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
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One of many steps to compile with -Wconversion, as unsigned int and int
aren't the same thing.
BUG=b:111443775
BRANCH=none
TEST=make junit.xml shows fewer warnings with -Wconversion enabled
Change-Id: I9673ca70da32a1e5117b27fa89167e03379af9c1
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32183
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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This patch is a raw application of
find payloads/ -type f | \
xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g'
Change-Id: I883b03b189f59b5d998a09a2596b0391a2d5cf33
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31775
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This patch adds remote GDB support for the arm64 architecture.
Change-Id: I2fa4dbca6c39f822f489a5e81bd052f53fda98a5
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/29020
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This patch reworks the arm64 exception handling to be more similar to
how it works on arm32. This includes a bunch of features like actually
saving and restoring more exception state in the exception_state
structure and supporting the same sort of partial reentrancy that is
useful for GDB. Since there's no instruction to directly load into or
store out of SP on arm64, we can't do quite the same thing where we use
that to read an exception_state_ptr variable right after exception entry
when no other register is available. But we can do something very
similar by (ab-)using the "high" stack pointer (SP_EL2) as a pointer to
the exception_state struct and providing a function to change it.
Change-Id: Ia16a1124be1824392a309ae1f4cb031547d184c1
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/29018
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This patch adds the new, faster architectural register accessors to
libpayload that were already added to coreboot in CB:27881. It also
hardcodes the assumption that coreboot payloads run at EL2, which has
already been hardcoded in coreboot with CB:27880 (see rationale there).
This means we can drop all the read_current/write_current stuff which
added a lot of unnecessary helpers to check the current exception level.
This patch breaks payloads that used read_current/write_current
accessors, but it seems unlikely that many payloads deal with this stuff
anyway, and it should be a trivial fix (just replace them with the
respective _el2 versions).
Also add accessors for a couple of more registers that are required to
enable debug mode while I'm here.
Change-Id: Ic9dfa48411f3805747613f03611f8a134a51cc46
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/29017
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
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Fixes build with gcc8.1
Change-Id: I042f79ddfb4c249e00b5b259280289b8534f6854
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/27546
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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Add: raw_read_cntfrq_el0() and raw_read_cntpct_el0()
Required to support Arch64 Timer
Change-Id: I86aa97039304b9e9336d0146febfe1811c9e075a
Signed-off-by: T Michael Turney <mturney@codeaurora.org>
Reviewed-on: https://review.coreboot.org/25649
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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The VA space needs to be extended to support 48bit, as on Cavium SoCs
the MMIO starts at 1 << 47.
The following changes were done to coreboot and libpayload:
* Use page table lvl 0
* Increase VA bits to 48
* Enable 256TB in MMU controller
* Add additional asserts
Tested on Cavium SoC and two ARM64 Chromebooks.
Change-Id: I89e6a4809b6b725c3945bad7fce82b0dfee7c262
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/24970
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@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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The word 'coreboot' should always be written in lowercase, even at the
start of a sentence.
Change-Id: I2ec18ca55e0ea672343a951ab81a24a5630f45fd
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/20028
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
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coreboot and libpayload currently use completely different code to
perform a full cache flush on ARM64, with even different function names.
The libpayload code is closely inspired by the ARM32 version, so for the
sake of overall consistency let's sync coreboot to that. Also align a
few other cache management details to work the same way as the
corresponding ARM32 parts (such as only flushing but not invalidating
the data cache after loading a new stage, which may have a small
performance benefit).
Change-Id: I9e05b425eeeaa27a447b37f98c0928fed3f74340
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/19785
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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The ARM64 MMU code maintains a list of used ranges, to avoid mapping the
DMA buffer over the coreboot tables and things like that. Unfortunately,
the overlap with ranges in that list is checked with
(start1 >= start2 && start1 <= end2) || (end1 >= start2 && end1 <= end2)
which is not a full overlap check and misses the case where the second
region is completely contained within the first. This patch replaces
that code with a properly vetted primitive from Stack Overflow.
BRANCH=none
BUG=chrome-os-partner:54416
TEST=Observe how Kevin recovery screen now gets drawn at 10x the speed.
Change-Id: I7e2706426762794e160d743bbfc40da1e26eee12
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/16075
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Change-Id: I7930d5cded290f2605d0c92a9c465a3f0c1291a2
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/15974
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
|
|
Some exceptions (like from calling a NULL function pointer) are easier
to narrow down with a dump of the call stack. Let's take a page out of
ARM32's book and add that feature to ARM64 as well. Also change the
output format to two register columns, to make it easier to fit a whole
exception dump on one screen.
Applying to both coreboot and libpayload and syncing the output format
between both back up.
Change-Id: I19768d13d8fa8adb84f0edda2af12f20508eb2db
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/14931
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
|
|
If a framebuffer is already configured by coreboot, libpayload's
MMU tables didn't mark its memory DMAable (unlike when libpayload
set up its own framebuffer memory).
BRANCH=none
BUG=chrome-os-partner:52826
TEST=depthcharge's recovery screen is not corrupted anymore on kevin
Change-Id: I228a861b3fdcf1298a3cfa0a054214c78ed55e70
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 889e8358a0f2f504abd9910549aa68f3992bb4e8
Original-Change-Id: I7ba79151ccc1eb605f82e1869a74b539a6be5e99
Original-Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/341092
Reviewed-on: https://review.coreboot.org/14685
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
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This allows to accommodate different platforms' default
configurations, memory configuration is fine tuned later during boot
process.
BUG=chrome-os-partner:51537
BRANCH=none
TEST=none yet, the full stack of patches boots fine on EVB
Change-Id: I39da4ce247422f67451711ac0ed5a5e1119ed836
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 97a9a71ade4df8a501043f9ae58463a3135e2a4f
Original-Change-Id: I39da4ce247422f67451711ac0ed5a5e1119ed836
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/332384
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/13914
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
|
|
This will allow more payloads to use the standard linker script
instead of implementing their own.
Change-Id: Ie60120769829f427ceb722109d85859b61dbde31
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14074
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
|
|
Change-Id: I8b74cbf6bdde32c90ad0510e14e899711269e57f
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14075
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
|
|
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>
|
|
Set XN bit of block upper attribute to device memory in mmu. CPU may
speculatively prefetch instructions from device memory, but the IO
subsystem of some implementation may not support this operation. Set
this attribute to device memory mmu entries can prevent CPU from
prefetching device memory.
BRANCH=none
BUG=none
TEST=build and booted to kernel on oak-rev3 with dcm enabled.
Change-Id: I52ac7d7c84220624aaf6a48d64b9110d7afeb293
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 7b01a4157cb046a5e75ea7625060a602e7a63c3c
Original-Change-Id: Id535e990a23b6c89123b5a4e64d7ed21eebed607
Original-Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/302301
Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/11722
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
|
|
This patch adds support to enable a linker workaround to a hardware
erratum on some early Cortex-A53 revisions. Since the linker option was
added very recently, we use xcompile to test whether the toolchain
supports it first. It is also guarded by a Kconfig since only a few
ARM64 SoCs will need this and it incurs a performance penalty.
BRANCH=none
BUG=none
TEST=Turned it on or off for Smaug and confirmed that it (dis)appeared
in verbose make output accordingly.
Change-Id: I01c9642d3cf489134645f0db6f79f1c788ddb00d
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Original-Commit-Id: 57128785760c4dfa32d6e6d764756443a9323cb7
Original-Change-Id: Ia5dd124f484e38460d75fb864304e7e8b18d16b7
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/294745
Original-Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/11403
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
|
|
To allow a payload to define its own libpayload_init_default_cbfs_media,
default implementation needs to be defined weakly.
BUG=none
BRANCH=tot
TEST=dumped a cbfs file from depthcharge cli on jerry
Change-Id: Ice73ae5a63dfd49e79c0eeb92d4eade016d61c39
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 1f308177fffb0d525fdb50f8d024568bb9025352
Original-Change-Id: I4721139aea3169c62c10a2a26582bd9277e4cb83
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/283061
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10783
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
This will make the code work with the different styles
of Kconfig (emit unset bools vs don't emit unset bools)
Roughly, the patch does this, and a little bit of fixing up:
perl -pi -e 's,ifdef (CONFIG_LP_.+?)\b,if IS_ENABLED\($1\),g' `find . -name *.[ch]`
perl -pi -e 's,ifndef (CONFIG_LP_.+?)\b,if !IS_ENABLED\($1\),g' `find . -name *.[ch]`
Change-Id: Ib8a839b056a1f806a8597052e1b571ea3d18a79f
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10711
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
|
|
libpayload is the only Kconfig based project under
the coreboot umbrella that is using Config.in as its
name for Kconfig config files. Rename that to Kconfig
as on the other projects for consistency.
Change-Id: I1c69ec13582d88409384b492484535dcc5e1ad20
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10520
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
|
|
Used command line to remove empty lines at end of file:
find . -type f -exec sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' {} \;
Change-Id: I816ac9666b6dbb7c7e47843672f0d5cc499766a3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: http://review.coreboot.org/10446
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
|
|
The current arm64 MMU interface is difficult to use in pre-RAM
environments. It is based on the memranges API which makes use of
malloc(), and early stages usually don't have a heap. It is also built
as a one-shot interface that requires all memory ranges to be laid out
beforehand, which is a problem when existing areas need to change (e.g.
after initializing DRAM).
The long-term goal of this patch is to completely switch to a
configure-as-you-go interface based on the mmu_config_range() function,
similar to what ARM32 does. As a first step this feature is added
side-by-side to the existing interface so that existing SoC
implementations continue to work and can be slowly ported over one by
one. Like the ARM32 version it does not garbage collect page tables that
become unused, so repeated mapping at different granularities will
exhaust the available table space (this is presumed to be a reasonable
limitation for a firmware environment and keeps the code much simpler).
Also do some cleanup, align comments between coreboot and libpayload for
easier diffing, and change all error cases to assert()s. Right now the
code just propagates error codes up the stack until it eventually
reaches a function that doesn't check them anymore. MMU configuration
errors (essentially just misaligned requests and running out of table
space) should always be compile-time programming errors, so failing hard
and fast seems like the best way to deal with them.
BRANCH=None
BUG=None
TEST=Compile-tested rush_ryu. Booted on Oak and hacked MMU init to use
mmu_config_range() insted of memranges. Confirmed that CRCs over all page
tables before and after the change are equal.
Change-Id: I93585b44a277c1d96d31ee9c3dd2522b5e10085b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f10fcba107aba1f3ea239471cb5a4f9239809539
Original-Change-Id: I6a2a11e3b94e6ae9e1553871f0cccd3b556b3e65
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/271991
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10304
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
As per discussion with lawyers[tm], it's not a good idea to
shorten the license header too much - not for legal reasons
but because there are tools that look for them, and giving
them a standard pattern simplifies things.
However, we got confirmation that we don't have to update
every file ever added to coreboot whenever the FSF gets a
new lease, but can drop the address instead.
util/kconfig is excluded because that's imported code that
we may want to synchronize every now and then.
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} +
$ find * -type f
-a \! -name \*.patch \
-a \! -name \*_shipped \
-a \! -name LICENSE_GPL \
-a \! -name LGPL.txt \
-a \! -name COPYING \
-a \! -name DISCLAIMER \
-exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} +
Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9233
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
|
|
1. change mmu granule size from 64KB to 4KB
2. correct level 1 translation table creation logic
3. automatically calculate granule size related macros
BRANCH=none
BUG=none
TEST=boot to kernel on oak board
Change-Id: Ic62c7863dff53f566b82b68ff1d1ad9ec5d0698d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e5de7d942e42a8202fb879ce64b871864b1b9d38
Original-Change-Id: I78d7838921fa82a670e18ddc2de6d766dc7a2146
Original-Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/266010
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Commit-Queue: Yidi Lin <yidi.lin@mediatek.com>
Reviewed-on: http://review.coreboot.org/10010
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
|
|
arch_program_segment_loaded ensures that the program segment loaded is
synced back from the cache to PoC. dcache_flush_all on arm64 does not
guarantee PoC in case of MP systems. Thus, it is important to track
and sync back all the required segments using
arch_program_segment_loaded.
BUG=chrome-os-partner:38231
BRANCH=None
TEST=Compiles successfully and boots to kernel prompt on smaug
Change-Id: Ic6fcc7e5e0cccbab317950f8abab0c494041d19a
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 284e3784854f764159b64286cea366c66b6bce2c
Original-Change-Id: I5c35b9aa2ae9b5c1f2fcdef40ffb1cde7f49cc1a
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/263327
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9904
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
In order to not duplicate the instruction cache invalidation
sequence provide a common routine to perform the necessary
actions. Also, use it in the appropriate places.
BUG=chrome-os-partner:38231
BRANCH=None
TEST=Compiles successfully for smaug and boots kernel
Change-Id: I1d311dbc70bf225f35d60bb10d8d001065322b3a
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8ab015156713eb7531378edbd1d779522681d529
Original-Change-Id: I8da7002c56139f8f82503484bfd457a7ec20d083
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/263326
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9903
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
BUG=chrome-os-partner:38222
BRANCH=None
TEST=Compiles successfully and boots kernel
Change-Id: I6e1e841d84d1a73e5c726143aeba76af933e81a1
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 59861a2700407b9e6a6209fbc45543c127b50b4b
Original-Change-Id: I256d07a41bec83037f2b61a9350f903119d8c101
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/263325
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9902
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
Instead of forcing boards to have DMA region below 4GiB, provide
Kconfig option DMA_LIM_EXCL that a board can use to set the upper
limit in MiB units on the address range reserved by DMA. By default,
this value is 0x1000 i.e. 4GiB limit on the DMA upper address.
BUG=None
BRANCH=None
TEST=Compiles successfully for rush. Default value is seen as 0x1000.
Change-Id: Ie35d3844a0989486ae022f8922fdd4c9d7d57fb4
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 6716cf312a103bc0440a558fc43c8c77869816e3
Original-Change-Id: I3ecbb4ec90995ab1568cb0924d5ce9467492697d
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/245250
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8800
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
|
|
The raw_write_sctlr_current() cannot be used in mmu_disable() because
it pushes some registers to cached stack, and then just after cache
disabled, the value was gone.
BRANCH=none
BUG=none
TEST=build and boot on mt8173-evb
Change-Id: I512405b7917f27d16bdd3c51d9459827ad714e67
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: aafe64922cc4cd01ecb099db106d04538e3e57ff
Original-Change-Id: I0dda8518d14c46fae1fe76e3629bd4ee81c1e0ee
Original-Signed-off-by: HC Yen <hc.yen@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/240323
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8799
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
Allow read/write to registers at a given el. Also, make read/write
registers at current el call this newly added function.
BRANCH=none
BUG=none
TEST=build and boot on mt8173-evb
Change-Id: Id69f0fdc07193c5c7e997712f0cd99de6f41510b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c091917babc39d9ab997f51f81b486c9aa900c24
Original-Change-Id: I0944946642066b88331e497a92388e74e86902d0
Original-Signed-off-by: HC Yen <hc.yen@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/240322
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8798
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
The framebuffer structure lives in the coreboot tables. Those
tables have a checksum calculation applied over all the entries.
Therefore, one shouldnot be modifying fields within the coreboot
table entries because the calculated checksum would be wrong.
BRANCH=none
BUG=chrome-os-partner:31936
TEST=On ryu, confirmed dev screen still works as well as cbmem utility
once booted.
Change-Id: I93830a8efe98aa848f2b0f8388688de0e93b2f82
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 6026ca5ad0254c14c30412882dc63550656c7d16
Original-Change-Id: Ic9c164ded03d10d6f6f3ce15e9b38b1f6ce61a91
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/230471
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8797
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
Allocate noncacheable memory for frame buffer and save base
address to sys_libinfo.
BRANCH=none
BUG=chrome-os-partner:31936
TEST=build and test on ryu
Change-Id: I19a8079616376dc7c1a8ecdbd7499c2553b8c6c3
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: cebb5650167264902548339bb1a2b428f3b7f4ed
Original-Change-Id: I7bfbfefb92001632ce3d572a50e46188795c4ab8
Original-Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/226404
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8796
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
This is important since mmu is disabled during the post_sysinfo_mmu_setup call
and calling printf can cause unaligned access.
BUG=None
BRANCH=None
TEST=Compiles successfully and boots to kernel prompt with console_init
Change-Id: I5ef72ee449fdcf30186f97485cc532d6c56b2c5d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 688ef3856d0502d057c9543ee7763601156e6385
Original-Change-Id: Ie376e394d084edd6c999fc9edde79f15a0264e7b
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/222664
Original-Reviewed-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8795
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
Provide a function to obtain a new memrange with requested properties (type,
size, alignment, max_addr and other restrictions) from the set of available
memranges passed in coreboot table. One user of this function would be getting
memrange for dma, another one would be framebuffer.
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully and boots to kernel prompt
Change-Id: Ic5a63ca2dca6c71f4ca2d77e2e2c8180d32a38e0
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 3cd75756e1405e044c029f2878bfcc9c8c962bdf
Original-Change-Id: I187d73a4d55d3c6f49afbe9852901672d25de8dc
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/222110
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8794
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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1. keep functions and objects used entirely within mmu.c as static.
2. DMA region finding needs to terminate. Therefore, the next address
to be attempted needs to be less then the current end address.
3. Ensure mmu_ranges passed to mmu_init_ranges_from_sysinfo() has
0 entries marked as used.
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Booted ryu with RAM hole above cbmem tables below 4GiB.
Change-Id: I71a9cb89466978aa63fca5d8bee97b8af75ea206
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 66518fd86e676bbddf52e9d9afdd76d72c8e2222
Original-Change-Id: I5cb4e5009359cb04c4e1b5fe60845f80fbdff02c
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/221725
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8793
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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What this change does:
1) Initialize limited page tables as soon as we jump into libpayload. Basically
two ranges are initialized. One is for the BASE_ADDRESS and other is for the
coreboot_tables. With page tables initialized and MMU enabled, we jump into
code to parse coreboot tables.
2) Once coreboot tables are parsed and we have complete picture of the memory,
we perform a complete page table initialzation and enable MMU and then jump to
payload.
Additionally, we also:
1) Initialize DMA memory on our own depending upon the memory map. It ensures
that the DMA buffer is placed in 32-bit memory.
CQ-DEPEND=CL:216826
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully and we are able to start execution of libpayload in
EL2 and reach kernel login prompt
Change-Id: I8a6203e465868bc2a3e5cc377e108f36cc58e2fa
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 7695bb7afe34ea460282125a0be440e8994b01e4
Original-Change-Id: Ie0f47b7759d4ac65a6920f7f2f7502b889afda6d
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216824
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8792
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Adds support for initializing mmu, setting up dma areas and enabling mmu based
on the memranges passed on in the coreboot tables.
CQ-DEPEND=CL:216826
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully
Change-Id: Id41a4255f1cd45a9455840f1eaa53503bd6fef3f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f2c6676bf51fcd85b61e9e08a261634a78137c4c
Original-Change-Id: I217bc5a5aff6a1fc0809c769822d820316d5c434
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216823
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8791
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Libpayload should be able to setup its own dma areas and not depend on coreboot
tables for passing this information. This patch and next allow libpayload to
setup dma areas while performing mmu_init
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully and dma areas are setup properly with the mmu init patch
Change-Id: I5f6fd19a957c7626a2bbe6b826c8987e64ed248f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 4f3552b8d3439a8b12d1e0b15ef67dcb14b8c96a
Original-Change-Id: I44d9f394fa349abd7182c4ba10f1eaefd6e4fdaa
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216822
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8789
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
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BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully
Change-Id: I12e7cdaf07c1bc4802a04dadd85384939b5a67e0
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c454a3d60b0e087df79de4fd9cff09596ae12ca5
Original-Change-Id: Iec82d56ae4a5f1ac6243afef1f453de3905d869c
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216821
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8788
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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By default we dont want to use the special DC instruction. Thus getting rid of
the DONT_USE_DC macro and enabling code appropriately in memset.S
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully and memset works fine for mmu init
Change-Id: Icb3193f4f0d122726dcdacbdcacbf53eba30e235
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 54f639ef2348acab54e32b18f6826a67bf52bc14
Original-Change-Id: Id89ec2c1731d21496eca617a3c03abaf48062908
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216820
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8787
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully
Change-Id: I7a3dc9420fa85fa8f7ab70f0f55b200f432d3240
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 20c89d5df653ad65ad6d8ecc4c26de4c5e447564
Original-Change-Id: Ibd801ef1d777d306f35dde3c2b120af41d8f27e4
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216819
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8786
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Allow more flexibility by reading and writing to system registers at current
EL. Instead of specifying what _ELx register to write to, code can specify
_current.
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles and boots to kernel on ryu
Change-Id: Id38b675bfe67ca1e25f8c268192114e3f0bee800
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 6d4d07e26fc964dc3aaebfe03db59596d90093e9
Original-Change-Id: Ic1d9e18e6fc016a04f17621a148e62d6cbd04ce7
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214577
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8785
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Add library helpers to access standard arm64 registers. This library also
provides functions to directly read/write register based on current el. So, rest
of the code doesnt need to keep checking the el and call appropriate function
based on that.
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Libpayload and depthcharge compile successfully for ryu
Change-Id: Ibc0ca49f158362d4b7ab2045bf0fbd58ada79360
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 2ca6da580cb51b4c23abdaf04fee2785e5780510
Original-Change-Id: I9b63e04aa26a98bbeb34fdef634776d49454ca8d
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214575
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8784
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
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BUG=chrome-os-partner:31634
BRANCH=None
TEST=test_exc generates and handles exceptions properly
Change-Id: If3ecab93be6d02942b52960ec97edc687bedf64b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: bba2caae0bd436ba9e5215f5d8606ce8c4987c98
Original-Change-Id: I4abe8a0e426eab2532852179dbb32505353cd0a1
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214609
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8783
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Initialize exception stack to be able to handle exceptions properly
BUG=chrome-os-partner:31634
BRANCH=None
TEST=test_exc successfully generates and handles exceptions on ryu
Change-Id: I19163fae080b9ac3297a7ffe404446e427bf9a1c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 99157687c5178c3b3eb79f5589343db1b2b4cc86
Original-Change-Id: I4dc83ff32c1665e22127bf0b1e6d4c6b45c07a4a
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214608
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8782
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
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BUG=None
BRANCH=None
TEST=Compiles sucessfully and hello libpayload seen on screen
Change-Id: If312e005e306f7f70138aa27d2ef5b39620ec91e
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 6d6aa84d7255d33e085f12c609f32309521ff58e
Original-Change-Id: I73f888a7b8aa0065c1ca0bf7857c445cc5678cdc
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214073
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8781
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
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BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully
Change-Id: If89e7a537e6f0321ef43641c924a8ef057f51147
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 1f39cdbf68b674ef9b65441038ec79548145a88d
Original-Change-Id: Ie9904bf8abfa5ce1d87a586e5b08eb320793942f
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/217821
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8790
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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There are three instances of coreboot.c in libpayload. for x86, arm
and arm64 architectures. The arm and arm64 instances are exactly the
same. The differences with the x86 instance are as follows:
- a very slightly different set of coreboot table tags is parsed (one
tag added and two removed)
- instead of checking a fixed address if it contains the coreboot
table, the x86 version iterates over two address ranges.
This patch refactors the module, leaving architecture specific
processing in arch subdirectories and moving the common code into
libc.
BUG=none
TEST=none yet
Change-Id: I1c7ad6f74e3498e93df78086ba0ff708c08e0a5c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 3df209d58ebd5c5b1cf0168f6466e065d1ef3598
Original-Change-Id: I6dfed73f6ba5939f692d0f98d2774c0e0312a25f
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/210770
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8750
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Make board ID value supplied in the coreboot table available to the
bootloader on all three architectures.
BUG=chrome-os-partner:30489
TEST=none yet
Change-Id: I6c2d39e94212b55650929d7d99896581d23f789d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 723e4a600a5d3a03e960169b04f8322f6dd2486b
Original-Change-Id: I7847bd9fe2d000a29c7ae95144f4868d926fb198
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/210430
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/8730
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Add stub implementation for gdb arm64 support. Currently all functions are kept
empty to enable proper compilation of depthcharge and libpayload. As we get more
clear about context management and stuff, we can add details for gdb as well.
BUG=None
BRANCH=None
TEST=Compiles successfully for rush
Original-Change-Id: I0a8729671ab0764d424c0e3d50af86433d05b1e8
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/204877
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit d24e5c26b56a9882b3450b1e4988b56c3d73efd1)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I9b7d3d7060dd827ef4a46865e0f9a2b4e063d07d
Reviewed-on: http://review.coreboot.org/8125
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
|
|
BUG=None
BRANCH=None
TEST=Compiles successfully
Original-Change-Id: I2569cadf2d34f7211892f100ba715486d824b921
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/204611
Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit dd9e06e41da043a48b469a011c010a10a1a3b25a)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I37fbc8cfea0870e7167ffa47dd63fc548e18c82e
Reviewed-on: http://review.coreboot.org/8124
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Correct function names to make them consistent with depthcharge calling
convention
BUG=None
BRANCH=None
TEST=Compiles successfully for rush
Original-Change-Id: I0fd8f7f929c3fe268710362d1fc19f9e15c4a23b
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/204423
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit 36008e728b840d85bb98225c7bb1420b993181de)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I4b446da8f2c273385ee885c4870966e18ba2a7a6
Reviewed-on: http://review.coreboot.org/8122
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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This is required for proper compilation of libpayload and depthcharge
BUG=None
BRANCH=None
TEST=libpayload compiles successfully for rush
Original-Change-Id: I305b58b978fd335e20abd7664c3ee2a6c1ea8384
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/204422
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit eef115c2371c6f7259bf808e0448f24a5b3491ab)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Icd6a5b8a0bdb125de4913fc82be8cb2a5aef5dc9
Reviewed-on: http://review.coreboot.org/8120
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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This patch makes some slight changes to the exception hook interface.
The old code provides a different handler hook for every exception
type... however, in practice all those hook functions often need to look
very similar, so this creates more boilerplate than it removes. The new
interface just allows for a single hook with the exception type passed
as an argument, and the consumer can signal whether the exception was
handled through the return value. (Right now this still only supports
one consumer, but it could easily be extended to walk through a list of
hooks if the need arises.)
Also move the excepton state from an argument to a global. This avoids a
lot of boilerplate since some consumers need to change the state from
many places, so they would have to pass the same pointer around many
times. It also removes the false suggestion that the exception state was
not global and you could have multiple copies of it (which the exception
core doesn't support for any architecture).
On the ARM side, the exception state is separated from the exception
stack for easier access. (This requires some assembly changes, and I
threw in a few comments and corrected the immediate sigils from '$' to
the official '#' while I'm there.) Since the exception state is now both
stored and loaded through an indirection pointer, this allows for some
very limited reentrance (you could point it to a different struct while
handling an exception, and while you still won't be able to return to
the outer-level exception from there, you could at least swap out the
pointer and return back to System Mode in one go).
BUG=chrome-os-partner:18390
TEST=Made sure normal exceptions still get dumped correctly on both
archs.
Original-Change-Id: I5d9a934fab7c14ccb2c9d7ee4b3465c825521fa2
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/202562
Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
(cherry picked from commit 97542110f0b385b9b8d89675866e65db8ca32aeb)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
*** Squashed to prevent build failures. ***
libpayload: align arm64 with new exception handling model
The exception handling was previously updated, however the
arm64 changes raced with hat one. Make the arm64 align with
the new model. Without these changes compilation will fail.
BUG=None
BRANCH=None
TEST=Can build libpayload for rush.
Original-Change-Id: I320b39a57b985d1f87446ea7757955664f8dba8f
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/204402
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit 0080df41b311ef20f9214b386fa4e38ee54aa1a1)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I9a0bb3848cf5286f9f4bb08172a9f4a15278348e
Reviewed-on: http://review.coreboot.org/8117
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Basic support for arm64 is enabled in libpayload.
Features added:
1) mem* operations in assembly.
2) Basic exception handling and support for testing exceptions.
3) Caching support.
Tested with arm64-generic board compilation.
BUG=None
BRANCH=None
TEST=Compilation successful
Original-Change-Id: I4e86301f9c6383abc078e2b70071fb84bd6e4741
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/187067
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit a70d13f3d225535843ab352290eab2e1ec7a9b4b)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Ie3affe6a2bdd4fed3058de739d4c6aa573e5b251
Reviewed-on: http://review.coreboot.org/8063
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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