From 930d53b7c0b8b9a8d0181864673148df9b1dc1ef Mon Sep 17 00:00:00 2001 From: Colin Cross Date: Wed, 17 Apr 2013 16:58:36 -0700 Subject: [PATCH] ARM: convert build of appended dtb zImage to list of dtbs Allow CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAMES to specify a space separated list of dtbs to append to the zImage, and name the resulting file zImage-dtb Change-Id: I36d9108a2349bdbb373e95076dcb1417d8c7dce6 Signed-off-by: Colin Cross Conflicts: arch/arm/boot/Makefile scripts/Makefile.lib --- arch/arm/Kconfig | 14 +++++++------- arch/arm/Makefile | 5 ++++- arch/arm/boot/.gitignore | 1 + arch/arm/boot/Makefile | 12 ++++++++++++ arch/arm/boot/dts/Makefile | 11 +++++++++-- scripts/Makefile.lib | 6 ++++++ 6 files changed, 39 insertions(+), 10 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 351e48e45cbb..99887aaa04bb 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1861,16 +1861,16 @@ config BUILD_ARM_APPENDED_DTB_IMAGE bool "Build a concatenated zImage/dtb by default" depends on OF help - Enabling this option will cause a concatenated zImage and DTB to - be built by default (instead of a standalone zImage.) The image - will built in arch/arm/boot/zImage-dtb. + Enabling this option will cause a concatenated zImage and list of + DTBs to be built by default (instead of a standalone zImage.) + The image will built in arch/arm/boot/zImage-dtb -config BUILD_ARM_APPENDED_DTB_IMAGE_NAME - string "Default dtb name" +config BUILD_ARM_APPENDED_DTB_IMAGE_NAMES + string "Default dtb names" depends on BUILD_ARM_APPENDED_DTB_IMAGE help - name of the dtb to append when building a concatenated - zImage/dtb. + Space separated list of names of dtbs to append when + building a concatenated zImage-dtb. # Compressed boot loader in ROM. Yes, we really want to ask about # TEXT and BSS so we preserve their values in the config files. diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 883e4bec807f..314c7be492a9 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -265,7 +265,7 @@ libs-y := arch/arm/lib/ $(libs-y) ifeq ($(CONFIG_XIP_KERNEL),y) KBUILD_IMAGE := xipImage else ifeq ($(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE),y) -KBUILD_IMAGE := zImage-dtb.$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAME) +KBUILD_IMAGE := zImage-dtb else KBUILD_IMAGE := zImage endif @@ -297,6 +297,9 @@ zinstall uinstall install: vmlinux dtbs: scripts $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) dtbs +zImage-dtb: vmlinux scripts dtbs + $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ + # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore index 3c79f85975aa..ad7a0253ea96 100644 --- a/arch/arm/boot/.gitignore +++ b/arch/arm/boot/.gitignore @@ -4,3 +4,4 @@ xipImage bootpImage uImage *.dtb +zImage-dtb \ No newline at end of file diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 84aa2caf07ed..3310df3a0569 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -27,6 +27,14 @@ export ZRELADDR INITRD_PHYS PARAMS_PHYS targets := Image zImage xipImage bootpImage uImage +DTB_NAMES := $(subst $\",,$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAMES)) +ifneq ($(DTB_NAMES),) +DTB_LIST := $(addsuffix .dtb,$(DTB_NAMES)) +else +DTB_LIST := $(dtb-y) +endif +DTB_OBJS := $(addprefix $(obj)/dts/,$(DTB_LIST)) + ifeq ($(CONFIG_XIP_KERNEL),y) $(obj)/xipImage: vmlinux FORCE @@ -55,6 +63,10 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE $(call if_changed,objcopy) @$(kecho) ' Kernel: $@ is ready' +$(obj)/zImage-dtb: $(obj)/zImage $(DTB_OBJS) FORCE + $(call if_changed,cat) + @echo ' Kernel: $@ is ready' + endif ifneq ($(LOADADDR),) diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f0895c581a89..b83cc5083a2c 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -210,13 +210,20 @@ dtb-$(CONFIG_ARCH_VT8500) += vt8500-bv07.dtb \ wm8850-w70v2.dtb dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb +DTB_NAMES := $(subst $\",,$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAMES)) +ifneq ($(DTB_NAMES),) +DTB_LIST := $(addsuffix .dtb,$(DTB_NAMES)) +else +DTB_LIST := $(dtb-y) +endif + targets += dtbs -targets += $(dtb-y) +targets += $(DTB_LIST) endif # *.dtb used to be generated in the directory above. Clean out the # old build results so people don't accidentally use them. -dtbs: $(addprefix $(obj)/, $(dtb-y)) +dtbs: $(addprefix $(obj)/, $(DTB_LIST)) $(Q)rm -f $(obj)/../*.dtb clean-files := *.dtb diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index f97869f1f09b..ef2142a61593 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -273,6 +273,12 @@ $(obj)/%.dtb: $(src)/%.dts FORCE dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) +# cat +# --------------------------------------------------------------------------- +# Concatentate multiple files together +quiet_cmd_cat = CAT $@ +cmd_cat = (cat $(filter-out FORCE,$^) > $@) || (rm -f $@; false) + # Bzip2 # ---------------------------------------------------------------------------