From c2c23dca8bea16a0198a21fe900fb1d43170489a Mon Sep 17 00:00:00 2001
From: Patrick Georgi <patrick.georgi@coresystems.de>
Date: Thu, 16 Dec 2010 07:36:28 +0000
Subject: Add support for cbfs-files-y to the build system. That variable
 allows chipset components to add files to the CBFS image, for details see
 http://www.coreboot.org/pipermail/coreboot/2010-December/062483.html

Compared to the patch in that mail this commit improves dependency
tracking a bit.

Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Joseph Smith <joe@settoplinux.org>
Acked-by: Stefan Reinauer <stepan@coreboot.org>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6182 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
---
 Makefile                               | 11 +++++++++++
 src/arch/x86/Makefile.bigbootblock.inc |  4 ++--
 src/arch/x86/Makefile.bootblock.inc    |  9 ---------
 src/arch/x86/Makefile.inc              | 17 +++++++++++++++++
 4 files changed, 30 insertions(+), 11 deletions(-)

diff --git a/Makefile b/Makefile
index 4361b20fc7..a61acdf9db 100644
--- a/Makefile
+++ b/Makefile
@@ -184,6 +184,7 @@ ramstage-srcs:=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 romstage-srcs:=
 driver-srcs:=
 smm-srcs:=
+cbfs-files:=
 
 ramstage-objs:=
 romstage-objs:=
@@ -197,11 +198,20 @@ types:=ramstage romstage driver smm
 includemakefiles= \
 	$(foreach type,$(2), $(eval $(type)-y:=)) \
 	$(eval subdirs-y:=) \
+	$(eval cbfs-files-y:=) \
 	$(eval -include $(1)) \
 	$(foreach type,$(2), \
 		$(eval $(type)-srcs+= \
 			$$(subst $(top)/,, \
 			$$(abspath $$(addprefix $(dir $(1)),$$($(type)-y)))))) \
+	$(foreach file,$(cbfs-files-y), \
+		$(if $(wildcard $(dir $(1))$(file)), \
+			$(eval tmp-cbfs-file:= $(wildcard $(dir $(1))$(file))), \
+			$(eval tmp-cbfs-file:= $(file))) \
+		$(eval cbfs-files += $(tmp-cbfs-file)|$$($(file)-name)|$$($(file)-type)|$$($(file)-position)) \
+		$(eval $(file)-name:=) \
+		$(eval $(file)-type:=) \
+		$(eval $(file)-position:=)) \
 	$(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
 
 # For each path in $(subdirs) call includemakefiles
@@ -275,6 +285,7 @@ printall:
 	@echo allsrcs=$(allsrcs)
 	@echo DEPENDENCIES=$(DEPENDENCIES)
 	@echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
+	@echo cbfs-files:='$(cbfs-files)'
 
 printcrt0s:
 	@echo crt0s=$(crt0s)
diff --git a/src/arch/x86/Makefile.bigbootblock.inc b/src/arch/x86/Makefile.bigbootblock.inc
index a60681670b..a6b8e11bca 100644
--- a/src/arch/x86/Makefile.bigbootblock.inc
+++ b/src/arch/x86/Makefile.bigbootblock.inc
@@ -1,9 +1,9 @@
 #######################################################################
 # Build the final rom image
 
-$(obj)/coreboot.pre: $(obj)/coreboot.bootblock $(CBFSTOOL)
+$(obj)/coreboot.pre: $(obj)/coreboot.pre1 $(CBFSTOOL)
 	rm -f $@
-	$(CBFSTOOL) $@ create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(obj)/coreboot.bootblock
+	cp $(obj)/coreboot.pre1 $@
 
 #######################################################################
 # Build the bootblock
diff --git a/src/arch/x86/Makefile.bootblock.inc b/src/arch/x86/Makefile.bootblock.inc
index f522fc2150..425ee0792c 100644
--- a/src/arch/x86/Makefile.bootblock.inc
+++ b/src/arch/x86/Makefile.bootblock.inc
@@ -1,15 +1,6 @@
 #######################################################################
 # Build the final rom image
 
-ifneq ($(CONFIG_UPDATE_IMAGE),y)
-$(obj)/coreboot.pre1: $(obj)/coreboot.bootblock $(CBFSTOOL)
-	rm -f $@
-	$(CBFSTOOL) $@ create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(obj)/coreboot.bootblock
-else
-$(obj)/coreboot.pre1: $(CBFSTOOL)
-	mv $(obj)/coreboot.rom $@
-endif
-
 $(obj)/coreboot.pre: $(obj)/coreboot.romstage $(obj)/coreboot.pre1 $(CBFSTOOL)
 	rm -f $@
 	cp $(obj)/coreboot.pre1 $@
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index ea6e3ecb14..c4ac5cd75f 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -53,6 +53,23 @@ ifeq ($(CONFIG_GEODE_VSA_FILE),y)
 COREBOOT_ROM_DEPENDENCIES+=$(CONFIG_VSA_FILENAME)
 endif
 
+extract_nth=$(word $(1), $(subst |, ,$(2)))
+
+ifneq ($(CONFIG_UPDATE_IMAGE),y)
+prebuild-files = \
+	$(foreach file,$(cbfs-files), \
+		$(CBFSTOOL) $@ add $(call extract_nth,1,$(file)) $(call extract_nth,2,$(file)) $(call extract_nth,3,$(file)) $(call extract_nth,4,$(file)); )
+prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
+
+$(obj)/coreboot.pre1: $(obj)/coreboot.bootblock $(prebuilt-files) $(CBFSTOOL)
+	rm -f $@
+	$(CBFSTOOL) $@ create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(obj)/coreboot.bootblock
+	$(prebuild-files)
+else
+$(obj)/coreboot.pre1: $(CBFSTOOL)
+	mv $(obj)/coreboot.rom $@
+endif
+
 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(obj)/coreboot_ram $(CBFSTOOL) $(call strip_quotes,$(COREBOOT_ROM_DEPENDENCIES))
 	@printf "    CBFS       $(subst $(obj)/,,$(@))\n"
 	cp $(obj)/coreboot.pre $@.tmp
-- 
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