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It is possible that 'malloc_fo_sub' and 'remalloc_fo' can
fail, so add appropriate error checks for those cases.
This incidentally fixes a possible memory leak when
'malloc_fo_sub' succeeds but 'remalloc_fo' does not.
Found-by: Coverity Scan #1396050
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Change-Id: I944b67f5cdcfd7a687e81d8bb01a209c9dc9b0b8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32696
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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Prevents a memory leak.
Found-by: Coverity Scan #1396047
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Change-Id: I4c72a17351d8afbe23302edfeeba74b17608aef2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32685
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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VBT on Intel(R) systems is available via sysfs as
/sys/kernel/debug/dri/0/i915_vbt
However the size of this file reads as 0 causing
intelvbttool to fail. This patch implements incremental reads
with realloc for such cases or whenever the file size is not
available (e.g. reading from stdin).
After this patch is applied, intelvbttool can be used as follows:
sudo intelvbttool -f /sys/kernel/debug/dri/0/i915_vbt -d
Change-Id: I5d17095a5747550b7115a54a7619b7294a846196
Signed-off-by: Alex Feinman <alexfeinman@hotmail.com>
Reviewed-on: https://review.coreboot.org/c/31531
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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* Clear remalloced memory
* Fix check for invalid VBT offset in header
* Fix VBIOS checksum generation
* Fix VBIOS size field
* Align VBIOS size to multiple of 512
* Reassign pointers after use of remalloc
* Don't leak on error path
Current version is enough to allow the proprietary Windows Intel GMA
driver to find the VBT in the legacy VBIOS area and it doesn't BSOD
any more.
The LVDS screen remains black, due to an unknown issue with the
proprietary driver, while the VGA works.
Tested with libgfxinit and native graphics init.
Change-Id: If07b1bb51d8fb3499d13102f70fedb36c020fb72
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/29099
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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* Add Makefile dependency to source file
* Add argument support
* Add help support
* Print usage on wrong arguments
* Add support for parsing VBT binary file
* Add support for parsing PCI Option ROM
* Add support for writing VBT binary file
* Add support for patching PCI Option ROM
* Keep support for accessing legacy VGA area Option ROM
* Keep support for dumping VBT contents to stdout
Allows to extract VBT, analyse VBT and patch PCI Option ROMs as needed.
The required arguments have been changed:
./intelvbttool --<SOURCECMD> [filename] --<DESTCMD> [filename]
SOURCECMD set the VBT source. Supported:
inlegacy : Legacy BIOS area at phys. memory 0xc0000
invbt : Read raw Intel VBT file
inoprom : Read VBT from Intel Option ROM file
DESTCMD set the VBT destination. Supported:
outdump : Print VBT in human readable form
outvbt : Write raw Intel VBT file
patchoprom: Patch existing Intel Option ROM
Any combination of SOURCECMD and DESTCMD is possible.
Change-Id: I8cbde042c7f5632f36648419becd23e248ba6f76
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/18902
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
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Change-Id: I9fee87b7331ee05d4e984cb024f124abb2c97a69
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Found-by: Coverity Scan #1347357
Reviewed-on: https://review.coreboot.org/15962
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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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>
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Change-Id: I32f6505dbf683478bf5a25b73db7ab0c60eff29c
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5842
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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