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While logical, make's handling of multiple targets in a rule isn't
intuitive, and was done wrong in cbfstool's Makefile.
%.c %.h: %.l encourages make to run the rule twice, once to
generate the .c file, once for the .h file. Hilarity ensues.
Change-Id: I2560cb34b6aee5f4bdd764bb05bb69ea2789c7d8
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10251
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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These names will skip the lint-whitespace tests.
Change-Id: If4ac1f8e11fd0ac62f09696f2704477b6eb30046
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/10212
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Fixes these errors:
error: declaration of ‘input’ shadows a global declaration [-Werror=shadow]
error: redundant redeclaration of ‘isatty’ [-Werror=redundant-decls]
Change-Id: I4563d36e5389db4fdc5be3ca4e0e88af2642f7f8
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/10162
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Sol Boucher <solb@chromium.org>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
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This resolves the cbmem table of contents access failure introduced
in commit 0dff57dd.
Change-Id: Ie143ae11d97f26bd17fe10e1382fae9e5ad1a60e
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/10236
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Change-Id: Ic8bccea1f2ddef874d8e440fa4fa05de1d4f9550
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/10210
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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add handling of PCI IDs for Broadwell-U/Wildcat Point LP,
using same functions as Haswell-U/Lynx Point LP
Change-Id: I1094cbdace3c73f0f85c2e27c676b877b1a04bfe
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: http://review.coreboot.org/10209
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Our style discourages unnecessary typedefs, and this one doesn't gain
us anything, nor is it consistent with the surrounding code: there's
a function pointer typedef'd nearby, but non-opaque structs aren't.
BUG=chromium:482652
TEST=None
BRANCH=None
Change-Id: Ie7565240639e5b1aeebb08ea005099aaa3557a27
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Change-Id: I4285e6b56f99b85b9684f2b98b35e9b35a6c4cb7
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10146
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The cbfstool handling of new-style FMAP-driven "partitioned" images
originally disallowed the use of x86-style top-aligned addresses with
the add.* and layout actions because it wasn't obvious how they should
work, especially since the normal addressing is done relative to each
individual region for these types of images. Not surprisingly,
however, the x86 portions of the build system make copious use of
top-aligned addresses, so this allows their use with new images and
specifies their behavior as being relative to the *image* end---not
the region end---just as it is for legacy images.
Change-Id: Icecc843f4f8b6bb52aa0ea16df771faa278228d2
Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10136
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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These new-style firmware images use the FMAP of the root of knowledge
about their layout, which allows them to have sections containing raw
data whose offset and size can easily be determined at runtime or when
modifying or flashing the image. Furthermore, they can even have
multiple CBFSes, each of which occupies a different FMAP region. It is
assumed that the first entry of each CBFS, including the primary one,
will be located right at the start of its region. This means that the
bootblock needs to be moved into its own FMAP region, but makes the
CBFS master header obsolete because, with the exception of the version
and alignment, all its fields are redundant once its CBFS has an entry
in the FMAP. The version code will be addressed in a future commit
before the new format comes into use, while the alignment will just be
defined to 64 bytes in both cbfstool and coreboot itself, since
there's almost no reason to ever change it in practice. The version
code field and all necessary coreboot changes will come separately.
BUG=chromium:470407
TEST=Build panther and nyan_big coreboot.rom and image.bin images with
and without this patch, diff their hexdumps, and note that no
locations differ except for those that do between subsequent builds of
the same codebase. Try working with new-style images: use fmaptool to
produce an FMAP section from an fmd file having raw sections and
multiple CBFSes, pass the resulting file to cbfstool create -M -F,
then try printing its layout and CBFSes' contents, add and remove CBFS
files, and read and write raw sections.
BRANCH=None
Change-Id: I7dd2578d2143d0cedd652fdba5b22221fcc2184a
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: 8a670322297f83135b929a5b20ff2bd0e7d2abd3
Original-Change-Id: Ib86fb50edc66632f4e6f717909bbe4efb6c874e5
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/265863
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10135
Tested-by: build bot (Jenkins)
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The rules didn't actually trigger to rebuild the parser.
Change-Id: Id51aaa9816b069204c119622d60f7b728b762cad
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10168
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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They're essentially collected on a stack before they're
parsed. So we push them backwards, then parse them in
the correct order.
Change-Id: Ibf29559389cd19f260d67bae8e0b5ef9f4f58d91
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10169
Tested-by: build bot (Jenkins)
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
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Change-Id: Iaec748b4bdbb5da287520fbbd7c3794bf664eff6
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10161
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Sol Boucher <solb@chromium.org>
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Change-Id: I928efe6f63305a0099d64e83091aa80768582f48
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10160
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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Fine tune the following two checks:
- Check for incorrect file permissions
This one had a linux path hard coded, so it would choke on
some commits unnecessarily.
- FILE_PATH_CHANGES seems to not be working correctly. It will
choke on added / deleted files even if the MAINTAINERS file
is touched. Hence, switch from WARN to CHK (as WARN currently
blocks commits as well)
Change-Id: I9fccfbd75e94f420de45cf8b58071e3198065cf3
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10123
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The fmd compiler now processes "(CBFS)" annotations, distilling them
into a comma-separated list of the names of sections containing
CBFSes. This list is the only thing printed to standard output to
enable easy capture and machine consumption by other tools.
Additionally, the ability to generate a tiny header with a define for
the primary CBFS's size is implemented and can be requested via a
new command-line switch.
Here's an example of how to use the new features:
$ ./fmaptool -h layout.h layout_arm_8192.fmd layout.fmap 2>/dev/null
FW_MAIN_A,FW_MAIN_B,COREBOOT
The hypothetical fmd file contains three sections annotated as (CBFS),
the names of which are printed to standard output. As before, a binary
FMAP file named layout.fmap is created; however, because the command
was invoked with -h, a header #define ing the offset of its FMAP
section (i.e. where it will be relative to the base of flash once the
boot image is assembled) is also generated.
BUG=chromium:470407
TEST=Verify that fmd files without a "COREBOOT" section or with one
that isn't annotated as "(CBFS)" are not accepted. Ensure that the
list of CBFS sections matches the descriptor file's annotations and
is led by the "COREBOOT" section. Invoke with the header generation
switch and check that output file for reasonableness.
BRANCH=None
Change-Id: I496dd937f69467bfd9233c28df59c7608e89538f
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: 9227698adecf675770b2983380eb570676c2b5d2
Original-Change-Id: I8b32f6ef19cabe2f6760106e676683c4565bbaad
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/262956
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9967
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The tool now makes use of the ERROR() macros from common.h.
Change-Id: Ie38f40c65f7b6d3bc2adb97e246224cd38d4cb99
Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10048
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The buffer API that cbfstool uses to read and write files only directly supports
one-shot operations on whole files. This adds an intermediate partitioned_file
module that sits on top of the buffer system and has an awareness of FMAP
entries. It provides an easy way to get a buffer for an individual region of a
larger image file based on FMAP section name, as well as incrementally write
those smaller buffers back to the backing file at the appropriate offset. The
module has two distinct modes of operation:
- For new images whose layout is described exclusively by an FMAP section, all
the aforementioned functionality will be available.
- For images in the current format, where the CBFS master header serves as the
root of knowledge of the image's size and layout, the module falls back to a
legacy operation mode, where it only allows manipulation of the entire image
as one unit, but exposes this support through the same interface by mapping
the region named SECTION_NAME_PRIMARY_CBFS ("COREBOOT") to the whole file.
The tool is presently only ported onto the new module running in legacy mode:
higher-level support for true "partitioned" images will be forthcoming. However,
as part of this change, the crusty cbfs_image_from_file() and
cbfs_image_write_file() abstractions are removed and replaced with a single
cbfs_image function, cbfs_image_from_buffer(), as well as centralized image
reading/writing directly in cbfstool's main() function. This reduces the
boilerplate required to implement each new action, makes the create action much
more similar to the others, and will make implementing additional actions and
adding in support for the new format much easier.
BUG=chromium:470407
TEST=Build panther and nyan_big coreboot.rom images with and without this patch
and diff their hexdumps. Ensure that no differences occur at different locations
from the diffs between subsequent builds of an identical source tree. Then flash
a full new build onto nyan_big and watch it boot normally.
BRANCH=None
Change-Id: I25578c7b223bc8434c3074cb0dd8894534f8c500
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: 7e1c96a48e7a27fc6b90289d35e6e169d5e7ad20
Original-Change-Id: Ia4a1a4c48df42b9ec2d6b9471b3a10eb7b24bb39
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/265581
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10134
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This allows calls to buffer_delete() to work on a buffer that has been
buffer_seek()ed or the buffer created by a buffer_splice(). The same
information could also be useful for other purposes, such as writing
slices back to a file at the offset they originally occupied.
BUG=chromium:470407
TEST=Attempt to perform the following sequence of buffer actions, then run it
through valgrind to check for memory errors:
for (int pos = 0; pos <= 3; ++pos) {
struct buffer seek_test;
buffer_create(&seek_test, 3, "seek_test");
if (pos == 0) {
buffer_delete(&seek_test);
continue;
}
buffer_seek(&seek_test, 1);
if (pos == 1) {
buffer_delete(&seek_test);
continue;
}
buffer_seek(&seek_test, 1);
if (pos == 2) {
buffer_delete(&seek_test);
continue;
}
buffer_seek(&seek_test, 1);
if (pos == 3) {
buffer_delete(&seek_test);
continue;
}
}
for (int pos = 0; pos <= 14; ++pos) {
struct buffer slice_test;
buffer_create(&slice_test, 3, "slice_test");
if (pos == 0) {
buffer_delete(&slice_test);
continue;
}
struct buffer sliced_once;
buffer_splice(&sliced_once, &slice_test, 1, 2);
if (pos == 1) {
buffer_delete(&slice_test);
continue;
}
if (pos == 2) {
buffer_delete(&sliced_once);
continue;
}
struct buffer sliced_twice;
buffer_splice(&sliced_twice, &sliced_once, 2, 1);
if (pos == 3) {
buffer_delete(&slice_test);
continue;
}
if (pos == 4) {
buffer_delete(&sliced_once);
continue;
}
if (pos == 5) {
buffer_delete(&sliced_twice);
continue;
}
struct buffer sliced_same;
buffer_splice(&sliced_same, &slice_test, 1, 1);
if (pos == 6) {
buffer_delete(&slice_test);
continue;
}
if (pos == 7) {
buffer_delete(&sliced_once);
continue;
}
if (pos == 8) {
buffer_delete(&sliced_twice);
continue;
}
if (pos == 9) {
buffer_delete(&sliced_same);
continue;
}
struct buffer sliced_thrice;
buffer_splice(&sliced_thrice, &sliced_twice, 1, 0);
if (pos == 10) {
buffer_delete(&slice_test);
continue;
}
if (pos == 11) {
buffer_delete(&sliced_once);
continue;
}
if (pos == 12) {
buffer_delete(&sliced_twice);
continue;
}
if (pos == 13) {
buffer_delete(&sliced_same);
continue;
}
if (pos == 14) {
buffer_delete(&sliced_thrice);
continue;
}
}
BRANCH=None
Change-Id: Id67734654a62302c0de37746d8a978d49b240505
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: 00c40982a21a91a488587dd3cead7109f3a30d98
Original-Change-Id: Ie99839d36500d3270e4924a3477e076a6d27ffc8
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/267467
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10133
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Previously, this function allowed one to pass a size of 0 in order to
indicate that the entire buffer should be copied. However, the
semantics of calling it this way were non-obvious: The desired
behavior was clear when the offset was also 0, but what was the
expected outcome when the offset was nonzero, since carrying over the
original size in this case would be an error? In fact, it turns out
that it always ignored the provided offset when the size was zero.
This commit eliminates all special handling of 0; thus, the resulting
buffer is exactly as large as requested, even if it's degenerate.
Since the only consumer that actually called the function with a size
of 0 was buffer_clone(), no other files required changes.
Change-Id: I1baa5dbaa7ba5bd746e8b1e08816335183bd5d2d
Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10132
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The only operation performed on this struct turned out to be sizeof...
Change-Id: I619db60ed2e7ef6c196dd2600dc83bad2fdc6a55
Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10131
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This patches a memory leak on every struct cbfs_image creation that
was introduced by c1d1fd850ee7b8e52bd2ea5064fab68ac0c27098. Since that
commit, the CBFS master header has been copied to a separate buffer so
that its endianness could be fixed all at once; unfortunately, this
buffer was malloc()'d but never free()'d. To address the issue, we
replace the structure's struct cbfs_header * with a struct cbfs_header
to eliminate the additional allocation.
Change-Id: Ie066c6d4b80ad452b366a2a95092ed45aa55d91f
Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10130
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The function hadn't been updated to account for the fact that we now
copy an endianness-corrected CBFS master header into a separate buffer
from the CBFS data: it still performed pointer arithmetic accross the
two buffers and wrote the copied buffer into the image without
restoring the original endianness.
Change-Id: Ieb2a001f253494cf3a90d7e19cd260791200c4d3
Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10122
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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With the recent rename of documentation -> Documentation, the
checkpatch.pl script broke. Fix the tree check, and change the
user visible output of "kernel" to coreboot.
Change-Id: I34f538d4436e468b1c91eb36aa2f60a2a3308111
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10125
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This adds a compiler for a language whose textual representation of flashmap
regions will be used to describe the layout of flash chips that contain more
than just a single CBFS. Direct integration with cbfstool (via a new
command-line switch for the create action) is forthcoming but will be added
separately.
BUG=chromium:461875
TEST=Use Chromium OS's cros_bundle_firmware script on the fmap.dts file for
panther. Using the latter file as a reference, write a corresponding
fmap.fmd file and feed it through fmaptool. Run both binary output files
though the flashmap project's own flashmap_decode utility. Observe only
the expected differences.
BRANCH=None
Change-Id: I06b32d138dbef0a4e5ed43c81bd31c796fd5d669
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: 005ab67eb594e21489cf31036aedaea87e0c7142
Original-Change-Id: Ia08f28688efdbbfc70c255916b8eb7eb0eb07fb2
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/255031
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Reviewed-on: http://review.coreboot.org/9942
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This is being fixed in a separate commit so we can diff against the
library as it existed in its own repo.
Change-Id: Id87cd8f4e015a5ed7dd8a19302cc22ab744fefe8
Signed-off-by: Sol Boucher <solb@chromium.org>
Reviewed-on: http://review.coreboot.org/10141
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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flashmap was developed in a separate repository until now.
Import the files from the 2012 version of the project [1].
[1] https://code.google.com/p/flashmap
BUG=chromium:461875
TEST=None
BRANCH=None
Change-Id: Ida33f81509abc1cf2e532435adbbf31919d96bd8
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: f44e1d1864babe244f07ca49655f0b80b84e890d
Original-Change-Id: Ibf191d34df738449c9b9d7ebccca3d7f4150d4d3
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/254801
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9940
Tested-by: build bot (Jenkins)
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This fixes an inconsistency between `cbfstool create` and `cbfstool add` that
was resulting in confusing claims about the amount of free space at the end of a
CBFS. Calls to `cbfstool add` check whether a file fits under a given empty file
entry by testing whether it would collide with the beginning of the *subsequent*
file header; thus, if a file's end is unaligned, its reported size will not
match the actual available capacity. Although deleted entries always end on an
alignment boundary because `cbfstool remove` expands them to fill the available
space, `cbfstool create` doesn't necessarily size a new entries region to result
in an empty entry with an aligned end.
This problem never resulted in clobbering important data because cbfstool would
blindly reserve 64B (or the selected alignment) of free space immediately after
the all-inclusive empty file entry. This change alters the way this reservation
is reported: only the overhang past the alignment is used as hidden padding, and
the empty entry's capacity is always reported such that it ends at an aligned
address.
Much of the time that went into this patch was spent building trust in the
trickery cbfstool employs to avoid explicitly tracking the image's total
capacity for entries, so below are two proofs of correctness to save others time
and discourage inadvertent breakage:
OBSERVATION (A): A check in cbfs_image_create() guarantees that an aligned CBFS
empty file header is small enough that it won't cross another aligned address.
OBSERVATION (B): In cbfs_image_create(), the initial empty entry is sized such
that its contents end on an aligned address.
THM. 1: Placing a new file within an empty entry located below an existing file
entry will never leave an aligned flash address containing neither the beginning
of a file header nor part of a file.
We can prove this by contradiction: assume a newly-added file neither fills to
the end of the preexisting empty entry nor leaves room for another aligned
empty header after it. Then the first aligned address after the end of the
newly-inserted file...
- CASE 1: ...already contains a preexisting file entry header.
+ Then that address contains a file header.
- CASE 2: ...does not already house a file entry header.
+ Then because CBFS content doesn't fall outside headers, the area between
there and the *next* aligned address after that is unused.
+ By (A), we can fit a file header without clobbering anything.
+ Then that address now contains a file header.
THM. 2: Placing a new file in an empty entry at the very end of the image such
that it fits, but leaves no room for a final header, is guaranteed not to change
the total amount of space for entries, even if that new file is later removed
from the CBFS.
Again, we use contradiction: assume that creating such a file causes a
permanent...
- CASE 1: ...increase in the amount of available space.
+ Then the combination of the inserted file, its header, and any padding
must have exceeded the empty entry in size enough for it to cross at
least one additional aligned address, since aligned addresses are how
the limit on an entry's capacity is determined.
+ But adding the file couldn't have caused us to write past any further
aligned addresses because they are the boundary's used when verifying
that sufficient capacity exists; furthermore, by (B), no entry can ever
terminate beyond where the initial empty entry did when the CBFS was
first created.
+ Then the creation of the file did not result in a space increase.
- CASE 2: ...decrease in the amount of available space.
+ Then the end of the new file entry crosses at least one fewer aligned
address than did the empty file entry.
+ Then by (A), there is room to place a new file entry that describes the
remaining available space at the first available aligned address.
+ Then there is now a new record showing the same amount of available space.
+ Then the creation of the file did not result in a space decrease.
BUG=chromium:473726
TEST=Had the following conversation with cbfstool:
$ ./cbfstool test.image create -s 0x100000 -m arm
Created CBFS image (capacity = 1048408 bytes)
$ ./cbfstool test.image print
test.image: 1024 kB, bootblocksize 0, romsize 1048576, offset 0x40
alignment: 64 bytes, architecture: arm
Name Offset Type Size
(empty) 0x40 null 1048408
$ dd if=/dev/zero of=toobigmed.bin bs=1048409 count=1
1+0 records in
1+0 records out
1048409 bytes (1.0 MB) copied, 0.0057865 s, 181 MB/s
$ ./cbfstool test.image add -t 0x50 -f toobigmed.bin -n toobig
E: Could not add [toobigmed.bin, 1048409 bytes (1023 KB)@0x0]; too big?
E: Failed to add 'toobigmed.bin' into ROM image.
$ truncate -s -1 toobigmed.bin
$ ./cbfstool test.image add -t 0x50 -f toobigmed.bin -n toobig
$ ./cbfstool test.image print
test.image: 1024 kB, bootblocksize 0, romsize 1048576, offset 0x40
alignment: 64 bytes, architecture: arm
Name Offset Type Size
toobig 0x40 raw 1048408
$ ./cbfstool test.image remove
-n toobig
$ ./cbfstool test.image print
test.image: 1024 kB, bootblocksize 0, romsize 1048576, offset 0x40
alignment: 64 bytes, architecture: arm
Name Offset Type Size
(empty) 0x40 deleted 1048408
$ ./cbfstool test.image print
test.image: 1024 kB, bootblocksize 0, romsize 1048576, offset 0x40
alignment: 64 bytes, architecture: arm
Name Offset Type Size
(empty) 0x40 deleted 1048408
BRANCH=None
Change-Id: I118743e37469ef0226970decc900db5d9b92c5df
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: e317ddca14bc36bc36e6406b758378c88e9ae04e
Original-Change-Id: I294ee489b4918646c359b06aa1581918f2d8badc
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/263962
Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Original-Reviewed-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/9939
Tested-by: build bot (Jenkins)
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Add a Linux style MAINTAINERS file and the get_maintainer.pl
script from the Linux kernel source (adapted to work in the
coreboot source tree)
Change-Id: I983e30c20c371d238cfa7c0a074587b731387c63
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10021
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
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We have discussed dropping lbtdump since 2007, since it was obsoleted
by lxbios (nowadays aka nvramtool) back then.
http://www.coreboot.org/pipermail/coreboot/2007-August/024188.html
Well, it's only eight years later.
Change-Id: I5242118cd3763d1b8c4bdc6f023cf93ae1b5b85d
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10121
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This utility is AMD SC520 specific (and AMD SC520 support has been
dropped from coreboot)
Change-Id: I8ebd52c2e6af113d2110c106f88fdd7c0a672c98
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10120
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This utility was useful on older VIA Epia-M boards, which we
have dropped from the tree a while ago. Hence drop the utility
as well.
Change-Id: Ie0d6303f4f4cfb6b21cd90696c60e124f0a5f4d8
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10119
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The Kconfig option list generator was broken by two different changes
to the project in the last few years:
- the switch to git from svn
- allowing wild card includes in Kconfig
Change-Id: I6bc5024a04958e9718d2e3a3a3bb6d69d4277eb6
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10115
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This tool has had its own repository since a long time:
https://code.google.com/p/i915tool/
Drop the obsolete copy we kept in the tree.
Change-Id: Idee4ea3423453f6ced6e95c0bd2e45d95ca61851
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10114
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This utility links in coreboot code, and has been broken for a long
time. These changes get it to compile again.
Change-Id: I69445a8b3cbfc9a2b560c68b8de2e080837ec502
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10112
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This utility was only used to debug the initial ARM Chromebook bringup,
but it's not really useful anymore.
Change-Id: Icff0a80f244adae3c35a8430c54de9e415fbd7d0
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10111
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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OpenBSD refuses to implement it due to security concerns,
so use glob instead.
Change-Id: I7531cfe91deff240f7874d94d5acb340b87e51b6
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10028
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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The file have been updated to warn wiki users to edit
the page as it is generated by a bot.
Change-Id: I5802ff8c7986c0fd93adf58e2353df81de9c2b75
Signed-off-by: David Englund <public@beloved.name>
Reviewed-on: http://review.coreboot.org/8682
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: Patrick Georgi <pgeorgi@google.com>
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Currently `xcompile` generates `.xcompile` with the following at the
top.
# platform agnostic and host tools
IASL:=iasl
HOSTCC:=gcc
The assignment `:=` doesn’t allow to override the variable. So use `?=`
instead so the host compiler can be passed to coreboot.
HOSTCC=gcc-5 make
Note, that this is just a hack, as the existence of `gcc` is checked
beforehand.
Change-Id: Iebf3e43eb7eaffa7cf0efe97710d9feb3fe2a989
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/9457
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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If the buildgcc is interrupt by Ctrl-C, probably part of
an archive is downloaded. If we run buildgcc again, the
incomplete archive would be considered as cached file
and skipped.
We check file hashes to see if the file is complete. If test
is failed, we need to delete the partially-downloaded file
and download it again.
sha1sum is quite different among the distributions.
Only Linux, Cygwin, Darwin have been tested.
Once new archive is deployed, a new checksum would be created,
which should be uploaded along with the script buildgcc.
Change-Id: Ibb1aa25a0374f774e1e643fe5e698de7bf7cc418
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/4511
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Commit 0e53931f (cbfstool: Clean up in preparation for adding new
files) split out the flags and introduced the variable `LINKFLAGS`.
Rename it to `LDFLAGS` which is more commonly used.
Change-Id: Ib6299f8ef5cf30dbe05bfae36f30ae4371f0a738
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/10064
Tested-by: build bot (Jenkins)
Reviewed-by: Sol Boucher <solb@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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People were confused about the 'missing toolchain', so
improve the error message.
Change-Id: Icaee338aeedce2255bcfdafe5407c9df02ad9c4a
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10036
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
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Add additional FSP timestamp values to cbmem.h and specify values for
the existing ones. Update cbmem.c with the FSP timestamp values and
descriptions.
BRANCH=none
BUG=None
TEST=Build for Braswell and Skylake boards using FSP 1.1.
Change-Id: I835bb090ff5877a108e48cb60f8e80260773771b
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: http://review.coreboot.org/10025
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Since FreeBSD doesn't have libdl, these errors are shown:
- config.log: /usr/bin/ld: cannot find -ldl
- crossgcc-build.log: configure: error: C compiler cannot create executables
Conditionally pass the presence of libdl in LDFLAGS.
Change-Id: I79c48da7e6700a4606c9e0c1314241db8997d3f3
Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-on: http://review.coreboot.org/2342
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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When installing git hooks through $(MAKE) gitconfig,
make knows itself (and is a GNU make). So let it splice
itself into hooks where necessary by replacing %MAKE%.
Change-Id: Iaf778bfa3f17a8fe31312f871571ed89a9de5385
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10018
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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No need to enforce GNU versions for them.
Change-Id: Ieeb43298331fbefbcc1e230d41a90e9df56993eb
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10017
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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It now assumes that origin points to the official repo (while there may
be more) and doesn't assume anymore that there's a user ID that needs to
be pruned (although it is, if present).
Change-Id: Id4c5ee2cb7c08e997eaba1c750097a2e2bf51af5
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10016
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Fixes building cbfstool in 32bit environments.
Change-Id: I3c94afc9c961eb8b41d1e08f4a16e5cab2a6bb8b
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/10015
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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The mips toolchain used by coreboot so far comes from Chrome OS chroot
and is built explicitly for little endian code generation.
Other flavors of MIPS toolchain usually generate big endian code by
default and require command line options to switch to little endian
mode.
This patch adds another variable to the set of compiler flags examined
to determine compiler compatibility. This results in adding another
nested for loop in test_architecture(). To avoid the need to break
from different levels of nesting, processing of the successful case is
taken out from test_architecture().
With this change the Mentor Graphics provided mips GCC toolchain is
accepted by xcompile, resulting in the following output:
ARCH_SUPPORTED+=mips
SUBARCH_SUPPORTED+=mips mipsel
CC_mips:=mips-linux-gnu-gcc
CFLAGS_mips:= -Wno-unused-but-set-variable -fno-stack-protector -Wl,--build-id=none -mno-abicalls -fno-pic -EL
CPP_mips:=mips-linux-gnu-cpp
AS_mips:=mips-linux-gnu-as
LD_mips:=mips-linux-gnu-ld
NM_mips:=mips-linux-gnu-nm
OBJCOPY_mips:=mips-linux-gnu-objcopy
OBJDUMP_mips:=mips-linux-gnu-objdump
READELF_mips:=mips-linux-gnu-readelf
STRIP_mips:=mips-linux-gnu-strip
AR_mips:=mips-linux-gnu-ar
Change-Id: I4da384b366880929693c59dc0e1c522b35c41bea
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: http://review.coreboot.org/9997
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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Declaring function variables local improves bash scripts' robustness.
Cosmetic changes among other things include renaming variables from
plural to singular and vice versa as appropriate, and replacing spaces
with tabs.
Tested by confirming that sorted output generated by
util/xcompile/xcompile is the same before and after the change.
Change-Id: I7305b3a4e45478ed3653b7d915dde4f83965f6c1
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: http://review.coreboot.org/9996
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The new -Og optimization level is only available in gcc version 4.8
or higher. Clang fails on this too as of now (with "invalid integral
value 'g' in '-Og'"). The gain of this does not outweigh this
limitation at all. The flag was added in 0e53931.
Change-Id: I2b2dfc786369653d768f25be94b53329451ae1b4
Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at>
Reviewed-on: http://review.coreboot.org/9999
Tested-by: build bot (Jenkins)
Reviewed-by: Sol Boucher <solb@chromium.org>
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