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authorWerner Zeh <werner.zeh@siemens.com>2016-01-14 15:08:36 +0100
committerWerner Zeh <werner.zeh@siemens.com>2016-01-22 19:15:08 +0100
commitc0fb361be84863ea2e7e43512116b33098ecebab (patch)
treecae2a4832da530b0bd85eef36cf280d82051c5f6
parent27807c66ee5d73c54de942b56359e447d27b1477 (diff)
build system: Add option for auto generated cbfs attributes
Add a new Kconfig variable to enable the generation of position and alignment attributes for cbfs files which has constraints on this parameters. In addition, modify Makefile.inc to support that option. Change-Id: Ibd725fe69a4de35964bdb2dde106d9a7c37ffb47 Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/12968 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
-rw-r--r--Makefile.inc11
-rw-r--r--src/Kconfig8
2 files changed, 16 insertions, 3 deletions
diff --git a/Makefile.inc b/Makefile.inc
index ab7248a1a1..46c85f8494 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -657,6 +657,10 @@ extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-)
# multiple CBFSes in fmap regions, override it.
regions-for-file ?= COREBOOT
+ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
+ cbfs-autogen-attributes=-g
+endif
+
cbfs-add-cmd = \
printf " CBFS $(call extract_nth,2,$(file))\n"; \
$(CBFSTOOL) $@.tmp \
@@ -664,7 +668,7 @@ cbfs-add-cmd = \
-f $(call extract_nth,1,$(file)) \
-n $(call extract_nth,2,$(file)) \
$(if $(filter-out stage,$(call extract_nth,3,$(file))),-t $(call extract_nth,3,$(file))) \
- $(if $(call extract_nth,4,$(file)),-c $(call extract_nth,4,$(file))) \
+ $(if $(call extract_nth,4,$(file)),-c $(call extract_nth,4,$(file))) $(cbfs-autogen-attributes)\
-r $(call regions-for-file,$(call extract_nth,2,$(file))) \
$(call extract_nth,7,$(file))
@@ -742,7 +746,7 @@ ifeq ($(CONFIG_ARCH_X86),y)
-f $(objcbfs)/bootblock.bin \
-n bootblock \
-t bootblock \
- -b -$(call file-size,$(objcbfs)/bootblock.bin)
+ -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes)
else
# don't add bootblock to cbfs yet, it's just a waste of space
true $(CBFSTOOL) $@.tmp add \
@@ -773,7 +777,8 @@ prebuild-files = \
$(foreach file,$(cbfs-files), \
$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null ; \
$(if $(call extract_nth,6,$(file)),$(cbfs-add-cmd) -a $(call extract_nth,6,$(file)) &&,\
- $(cbfs-add-cmd) $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file))) &&))
+ $(cbfs-add-cmd) $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file))) \
+ $(cbfs-autogen-attributes) &&))
.PHONY: $(obj)/coreboot.pre
$(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
diff --git a/src/Kconfig b/src/Kconfig
index 082ab63cb0..a231f0e484 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -409,6 +409,14 @@ config SYSTEM_TYPE_LAPTOP
default n
bool
+config CBFS_AUTOGEN_ATTRIBUTES
+ default n
+ bool
+ help
+ If this option is selected, every file in cbfs which has a constraint
+ regarding position or alignment will get an additional file attribute
+ which describes this constraint.
+
menu "Chipset"
comment "SoC"