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Wim Vervoorn 114e2e8830 lib/cbfs: Add fallback to RO region to cbfs_boot_locate 
With this change cbfs_boot_locate will check the RO (COREBOOT) region if
a file can not be found in the active RW region. By doing so it is not
required to duplicate static files that are not intended to be updated
to the RW regions.

The coreboot image can still be updated by adding the file to the RW
region.

This change is intended to support VBOOT on systems with a small flash
device.

BUG=N/A
TEST=tested on facebook fbg1701

Change-Id: I81ceaf927280cef9a3f09621c796c451e9115211
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36545
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
 		2019-11-07 14:12:00 +00:00
..
Intel soc/intel: Obsolete mmap_region_granularity() 2019-08-07 05:38:14 +00:00
RFC Documentation/RFC: Drop obsolete doc 2019-10-07 01:08:55 +00:00
_static Documentation: Add static CSS file to fix tables 2018-05-14 17:21:37 +00:00
acpi Documentation/acpi: Add new document on adding ACPI devices to devicetree 2019-08-29 17:31:24 +00:00
arch cpu/qemu-x86: Add x86_64 bootblock support 2019-11-04 11:58:58 +00:00
community Documentation: Add our issue tracker to services 2019-10-07 01:08:40 +00:00
contributing Docs/project_ideas: Add a "parse SerialICE traces" project idea 2019-03-09 12:46:09 +00:00
doxygen Documentation: Add doxygen_platform target 2017-03-23 21:19:34 +01:00
drivers Documentation/drivers: Fix typo in index.md 2019-08-02 10:00:44 +00:00
flash_tutorial Documentation/flash_tutorial/index.md: warn about dots painted on ICs 2018-12-05 14:10:12 +00:00
getting_started Documentation/writing_documentation.md: Explain how to use docker 2019-10-27 23:36:07 +00:00
gfx Documentation/gfx: Update support list of libgfxinit 2019-10-14 19:33:22 +00:00
ifdtool Documentation: Make sure ifdtool/index gets added to toctree 2019-10-21 09:16:24 +00:00
lib Documentation: trivial typo fix strcut/struct 2019-10-24 16:27:47 +00:00
mainboard Documentation: Fix typo 2019-11-01 11:53:01 +00:00
northbridge Documentation: Warn about ME cleaner on Sandy Bridge 2019-05-29 20:01:12 +00:00
releases Documentation: Add some significant 4.11 release notes 2019-11-04 11:34:29 +00:00
security lib/cbfs: Add fallback to RO region to cbfs_boot_locate 2019-11-07 14:12:00 +00:00
soc Documentation: Add amd_blobs license agreement text 2019-10-30 21:42:40 +00:00
superio Documentation: remove invalid fragment type specifier 2019-10-07 01:07:47 +00:00
technotes Documentation: Add a technote section 2019-10-23 14:22:58 +00:00
tutorial Documentation: rename "Rookie guide" to "tutorial" 2019-09-16 21:17:33 +00:00
vendorcode Documentation/vendorcode: Add Eltan to vendor index 2019-09-25 12:53:07 +00:00
AMD-S3.txt Documentation: change coreboot to lowercase 2017-06-12 04:06:40 +02:00
COPYING Documentation/COPYING: Remove trailing whitespace 2018-04-27 09:10:20 +00:00
Doxyfile.coreboot Documentation: Update doxygen config files 2018-05-22 07:27:58 +00:00
Doxyfile.coreboot_simple Documentation: Update doxygen config files 2018-05-22 07:27:58 +00:00
Makefile Documentation: Allow passing arguments into make livesphinx 2019-02-05 21:15:37 +00:00
Makefile.sphinx Documentation: Improve message printed by livesphinx target 2018-10-11 01:22:35 +00:00
POSTCODES post_code: add post code for video initialization failure 2019-05-22 17:45:11 +00:00
beginverbatim.tex
…
cbfs.txt Fix typos involving "the the" 2018-12-18 13:24:28 +00:00
codeflow.svg Documentation: Remove whitespace before tab 2018-06-04 11:48:23 +00:00
coding_style.md Documentation/coding_style.md: Update line length limit 2019-09-04 10:54:41 +00:00
conf.py Documentation: Fix markdown inline code 2018-10-22 12:02:28 +00:00
corebootBuildingGuide.tex Use git HTTP URLs without `/p` in it 2018-04-17 10:38:06 +00:00
coreboot_logo.png
…
distributions.md docs/distributions: remove entry for John Lewis' ROMs 2019-08-02 09:59:44 +00:00
endverbatim.tex
…
gcov.txt
…
hypertransport.svg
…
index.md Documentation: Add a technote section 2019-10-23 14:22:58 +00:00
mainboard_io_trap_handler_sample.c
…
payloads.md Documentation: Describe our ecosystem 2019-02-05 21:21:45 +00:00
util.md Documentation: Make sure ifdtool/index gets added to toctree 2019-10-21 09:16:24 +00:00