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freifunkist-firmware/include/image.mk

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#
# Copyright (C) 2006-2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
override TARGET_BUILD=
include $(INCLUDE_DIR)/prereq.mk
include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/host.mk
.NOTPARALLEL:
override MAKEFLAGS=
override MAKE:=$(SUBMAKE)
KDIR=$(KERNEL_BUILD_DIR)
IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
ifneq ($(CONFIG_BIG_ENDIAN),)
JFFS2OPTS := --pad --big-endian --squash-uids -v
else
JFFS2OPTS := --pad --little-endian --squash-uids -v
endif
ifeq ($(CONFIG_JFFS2_RTIME),y)
JFFS2OPTS += -X rtime
endif
ifeq ($(CONFIG_JFFS2_ZLIB),y)
JFFS2OPTS += -X zlib
endif
ifeq ($(CONFIG_JFFS2_LZMA),y)
JFFS2OPTS += -X lzma --compression-mode=size
endif
ifneq ($(CONFIG_JFFS2_RTIME),y)
JFFS2OPTS += -x rtime
endif
ifneq ($(CONFIG_JFFS2_ZLIB),y)
JFFS2OPTS += -x zlib
endif
ifneq ($(CONFIG_JFFS2_LZMA),y)
JFFS2OPTS += -x lzma
endif
SQUASHFS_BLOCKSIZE := 256k
SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
SQUASHFSCOMP := gzip
LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
ifeq ($(CONFIG_SQUASHFS_LZMA),y)
SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
endif
ifeq ($(CONFIG_SQUASHFS_XZ),y)
ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
endif
SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
endif
JFFS2_BLOCKSIZE ?= 64k 128k
define add_jffs2_mark
echo -ne '\xde\xad\xc0\xde' >> $(1)
endef
# pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
define prepare_generic_squashfs
$(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
endef
ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
define Image/BuildKernel/Initramfs
cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-initramfs-vmlinux.elf
$(call Image/Build/Initramfs)
endef
else
define Image/BuildKernel/Initramfs
endef
endif
define Image/mkfs/jffs2/sub
# FIXME: removing this line will cause strange behaviour in the foreach loop below
$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
$(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
$(call Image/Build,jffs2-$(2))
endef
ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
define Image/mkfs/jffs2
$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPS)))
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2_NAND),)
define Image/mkfs/jffs2_nand
$(foreach SZ,$(NAND_BLOCKSIZE), $(call Image/mkfs/jffs2/sub, \
$(word 2,$(subst :, ,$(SZ))),nand-$(subst :,-,$(SZ)), \
$(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst :, ,$(SZ)))) \
)
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
define Image/mkfs/squashfs
@mkdir -p $(TARGET_DIR)/overlay
$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
$(call Image/Build,squashfs)
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
define Image/mkfs/ubifs
$(CP) ./ubinize.cfg $(KDIR)
$(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
$(call Image/Build,ubifs)
(cd $(KDIR); \
$(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
$(call Image/Build,ubi)
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
define Image/mkfs/cpiogz
( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
define Image/mkfs/targz
# Preserve permissions (-p) when building as non-root user
$(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
define Image/mkfs/ext4
# generate an ext2 fs
$(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_ROOTFS_RESERVED_PCT)
# convert it to ext4
$(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
# fix it up
$(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
$(call Image/Build,ext4)
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
define Image/mkfs/iso
$(call Image/Build,iso)
endef
endif
define Image/mkfs/prepare/default
# Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
- $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
- $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
$(INSTALL_DIR) $(TARGET_DIR)/tmp
chmod 1777 $(TARGET_DIR)/tmp
endef
define Image/mkfs/prepare
$(call Image/mkfs/prepare/default)
endef
define Image/Checksum
( cd ${BIN_DIR} ; \
$(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
md5sum --binary > md5sums \
)
endef
define BuildImage
download:
prepare:
ifeq ($(IB),)
compile: compile-targets FORCE
$(call Build/Compile)
else
compile:
endif
ifeq ($(IB),)
install: compile install-targets FORCE
$(call Image/Prepare)
$(call Image/mkfs/prepare)
$(call Image/BuildKernel)
$(call Image/BuildKernel/Initramfs)
$(call Image/mkfs/cpiogz)
$(call Image/mkfs/targz)
$(call Image/mkfs/ext4)
$(call Image/mkfs/iso)
$(call Image/mkfs/jffs2)
$(call Image/mkfs/jffs2_nand)
$(call Image/mkfs/squashfs)
$(call Image/mkfs/ubifs)
$(call Image/Checksum)
else
install: compile install-targets
$(call Image/BuildKernel)
$(call Image/BuildKernel/Initramfs)
$(call Image/mkfs/cpiogz)
$(call Image/mkfs/targz)
$(call Image/mkfs/ext4)
$(call Image/mkfs/iso)
$(call Image/mkfs/jffs2)
$(call Image/mkfs/jffs2_nand)
$(call Image/mkfs/squashfs)
$(call Image/mkfs/ubifs)
$(call Image/Checksum)
endif
ifeq ($(IB),)
clean: clean-targets
$(call Build/Clean)
else
clean:
endif
compile-targets:
install-targets:
clean-targets:
endef