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build system: allow overriding file position and alignment per region 

To override fallback/foo's position or alignment in region BAR, use
fallback/foo-BAR-{position,align} = 0x1234

Like for the global settings, specifying both isn't allowed
because that's rather pointless.

Change-Id: I94f41ebc9f35108267265df4164f23b70e3d0bf6
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/16140
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Patrick Georgi 2016-08-10 17:02:58 +02:00 committed by Patrick Georgi
parent 5986d2972a
commit f3656d8238
1 changed files with 21 additions and 1 deletions
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22
Makefile.inc
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@ -670,6 +670,26 @@ all-files-in-region = $(foreach file,$(cbfs-files), \
$(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
$(file)))
# $(call update-file-for-region,file string from $(cbfs-files),region name)
# Update position and alignment according to overrides for region
# Doesn't check for invalid configurations (eg. resetting neither or both
# position and align)
# Returns the updated file string
update-file-for-region = \
$(subst $(spc),*,$(call extract_nth,1,$(1))|$(call extract_nth,2,$(1))|$(call extract_nth,3,$(1))|$(call extract_nth,4,$(1))|$($(call extract_nth,2,$(1))-$(2)-position)|$($(call extract_nth,2,$(1))-$(2)-align)|$(call extract_nth,7,$(1)))
# $(call placed-files-in-region,region name)
# like all-files-in-region, but updates the files to contain region overrides
# to position or alignment.
placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
$(if $($(call extract_nth,2,$(file))-$(1)-position), \
$(if $($(call extract_nth,2,$(file))-$(1)-align), \
$(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
$(call update-file-for-region,$(file),$(1)), \
$(if $($(call extract_nth,2,$(file))-$(1)-align), \
$(call update-file-for-region,$(file),$(1)), \
$(file))))
# $(call sort-files,subset of $(cbfs-files))
# reorders the files in the given set to list files at fixed positions first,
# followed by aligned files and finally those with no constraints.
@ -688,7 +708,7 @@ sort-files = \
# command list to add files to CBFS
prebuild-files = $(foreach region,$(all-regions), \
$(foreach file, \
$(call sort-files,$(call all-files-in-region,$(region))), \
$(call sort-files,$(call placed-files-in-region,$(region))), \
$(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
ifeq ($(CONFIG_FMDFILE),)