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################################################################################
# Embtoolkit
# Copyright(C) 2009-2011 Abdoulaye Walsimou GAYE.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
#
# \file fs.mk
# \brief fs.mk of Embtoolkit, targets for sereval filesystems build.
# \author Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
# \date August 2009
################################################################################
JFFS2_ROOTFS := $(EMBTK_GENERATED)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG).jffs2
BZIP2_ROOTFS := rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG).tar.bz2
SQUASHFS_ROOTFS := $(EMBTK_GENERATED)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG).squashfs
INITRAMFS_ROOTFS := $(EMBTK_GENERATED)/initramfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)
build_rootfs_devnodes:
$(call embtk_pinfo,"Populating device nodes of the rootfs...")
$(Q)$(FAKEROOT_BIN) -s $(FAKEROOT_ENV_FILE) -- $(MAKEDEVS_BIN) \
-d $(EMBTK_ROOT)/src/devices_table.txt $(ROOTFS)
build_tarbz2_rootfs:
$(call embtk_pinfo,"Generating TAR.BZ2 file of the rootfs...")
@cd $(ROOTFS) ; $(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) -- \
tar cjf rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG).tar.bz2 * ; \
mv $(BZIP2_ROOTFS) $(EMBTK_GENERATED)/
build_jffs2_rootfs:
$(call embtk_pinfo,"Generating JFFS2 rootfs..")
@$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) -- \
$(HOSTTOOLS)/usr/sbin/mkfs.jffs2 \
--eraseblock=$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_ERASEBLOCKSIZE) \
--pad=$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_ERASEBLOCKSIZE) \
--pagesize=$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_PAGESIZE) \
--cleanmarker=$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_CLEANMARKERSIZE) \
$(if $(CONFIG_EMBTK_TARGET_ARCH_LITTLE_ENDIAN), \
--little-endian, --big-endian) \
-n --root=$(ROOTFS) -o $(JFFS2_ROOTFS).temp
@$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) -- \
$(HOSTTOOLS)/usr/sbin/sumtool \
--eraseblock=$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_ERASEBLOCKSIZE) \
--cleanmarker=$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_CLEANMARKERSIZE) \
$(if $(CONFIG_EMBTK_TARGET_ARCH_LITTLE_ENDIAN), \
--littleendian, --bigendian) \
-n -p -i $(JFFS2_ROOTFS).temp -o $(JFFS2_ROOTFS)
@rm -rf $(JFFS2_ROOTFS).temp
squashfs_rootfs_opts := $(ROOTFS) $(SQUASHFS_ROOTFS)
ifeq ($(CONFIG_EMBTK_SQUASHFS_TOOLS_VERSION_3_4),y)
squashfs_rootfs_opts += $(if $(CONFIG_EMBTK_TARGET_ARCH_LITTLE_ENDIAN),-le,-be)
endif
squashfs_rootfs_opts += -all-root
build_squashfs_rootfs:
$(call embtk_pinfo,"Generating SQUASHFS rootfs...")
$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) -- \
$(MKSQUASHFS_BIN) $(squashfs_rootfs_opts)
build_initramfs_archive:
$(call embtk_pinfo,"Generating cpio archive for INITRAMFS...")
@$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) -- \
$(EMBTK_ROOT)/scripts/mkinitramfs $(ROOTFS) \
$(if $(EMBTK_ROOTFS_HAVE_INITRAMFS_CPIO_GZIPED),gzip,bzip2) \
$(INITRAMFS_ROOTFS)
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