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As discussed on the mailing list and voted upon, the coreboot project
is going to move the majority of copyrights out of the headers and into
an AUTHORS file. This will happen a bit at a time, as we'll be unifying
license headers at the same time.
Additional changes in this patch:
- Make sure files say that they're part of the coreboot project
- Move descriptions below the license header
- Fix some spacing
Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Id5f26a73f0df366651c076a94975bce1fb321b70
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34605
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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For the coreboot license header, we want to use two paragraphs.
See the section 'Common License Header' in the coreboot wiki
for more details.
Change-Id: I4a43f3573364a17b5d7f63b1f83b8ae424981b18
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13118
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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This patch changes the ENTRY() macro in asm.h to create a new section
for every assembler function, thus providing dcache_clean/invalidate_all
and friends with the same --gc-sections goodness that our C functions
have. This requires a few minor changes of moving around data (to make
sure it ends up in the right section) and changing some libgcc functions
(which apparently need to have two names?), but nothing serious.
(You may note that some of our assembly functions have data, sometimes
even writable, within the same .text section. This has been this way
before and I'm not looking to change it for now, although it's not
totally clean. Since we don't enforce read-only sections through paging,
it doesn't really hurt.)
BUG=None
TEST=Nyan and Snow still boot. Confirm dcache_invalidate_all is not
output into any binary anymore since no one actually uses it.
Original-Change-Id: I247b29d6173ba516c8dff59126c93b66f7dc4b8d
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/183891
(cherry picked from commit 4a3f2e45e06cc8592d56c3577f41ff879f10e9cc)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Ieaa4f2ea9d81c5b9e2b36a772ff9610bdf6446f9
Reviewed-on: http://review.coreboot.org/7451
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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The flags used to compile libgcc may make it incompatible with the code it's
linked against, and/or the hardware it's going to run on. Rather than try to
tease the right libgcc from the compiler, lets just leave it out and use our
own implementations of the necessary functions.
Most of these implementations were taken from the Linux kernel, except for
uldivmod.S which was taken from a CL originally written for U-Boot by
Che-Liang Chiou in December of 2010. It was modified to not use the CLZ
instruction on machines that don't have it, anything earlier than ARMv5. The
top block was taken from an earlier version of the same CL which didn't use
CLZ in that spot. The later block was written from scratch.
BUG=None
TEST=Built and booted into the bootblock on nyan. Ran a series of tests which
divided and modded a 64 bit value by various 32 bit values which were powers
of 2. Confirmed that this function was used and that the returned value was
correct. Printed decimal and hex versions of some values and verified that
they equaled each other. Built and booted on pit with serial enabled.
BRANCH=None
Original-Change-Id: I7527e28af411b7aa7f94579be95a6b352a91a224
Original-Signed-off-by: Gabe Black <gabeblack@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/172401
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Original-Commit-Queue: Gabe Black <gabeblack@chromium.org>
Original-Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit be8c7a8f3292a7d7651b7c6dafc9a2c53afbd402)
*** This second patch is cherry-picked and squashed again to
*** pick up the libgcc changes that were skipped previously.
arm: Move libgcc assembly macros to arch/asm.h
libgcc/macros.h contains some useful assembly macros that are common in
Linux kernel code and facilitate things such as unified ARM/THUMB
assembly. This patch moves it to a more general place where it can be
used by other code as well.
BUG=None
TEST=Snow still boots.
Original-Change-Id: If68e8930aaafa706c54cf9a156fac826b31bb193
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/182178
Original-Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
(cherry picked from commit a780670def94a969829811fa8cf257f12b88f085)
*** Additional changes for stage specific builds
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Ie3e48f34ebf6fbe20c3dd76ecbcbea7844e9466e
Reviewed-on: http://review.coreboot.org/7322
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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