diff options
Diffstat (limited to 'target/cloop')
| -rw-r--r-- | target/cloop/Config.in | 10 | ||||
| -rw-r--r-- | target/cloop/Makefile.in | 3 | ||||
| -rw-r--r-- | target/cloop/cloop.mk | 120 |
3 files changed, 133 insertions, 0 deletions
diff --git a/target/cloop/Config.in b/target/cloop/Config.in new file mode 100644 index 000000000..085f304d8 --- /dev/null +++ b/target/cloop/Config.in @@ -0,0 +1,10 @@ +config BR2_TARGET_ROOTFS_CLOOP + bool "cloop root filesystem for the target device" + default n + help + Build a cloop root filesystem + cloop is a Linux kernel module that enables compressed loopback filesystem + support. With it you can mount a compressed filesystem like a block device + and seamlessly decompress its data while accessing it. The majority of the + software on an LNX-BBC is accessed in this fashion. + diff --git a/target/cloop/Makefile.in b/target/cloop/Makefile.in new file mode 100644 index 000000000..ee332beed --- /dev/null +++ b/target/cloop/Makefile.in @@ -0,0 +1,3 @@ +ifeq ($(strip $(BR2_TARGET_ROOTFS_CLOOP)),y) +TARGETS+=clooproot +endif diff --git a/target/cloop/cloop.mk b/target/cloop/cloop.mk new file mode 100644 index 000000000..fb55a2914 --- /dev/null +++ b/target/cloop/cloop.mk @@ -0,0 +1,120 @@ +############################################################# +# +# mkcloop to build to target cloop filesystems +# +############################################################# +### /cloop_2.01.5.orig.tar.gz +CLOOP_VERSION=2.01 +CLOOP_DIR=$(BUILD_DIR)/cloop-$(CLOOP_VERSION) +### CLOOP_SOURCE=cloop_$(CLOOP_VERSION).5.orig.tar.gz +### CLOOP_SITE=http://ftp.debian.org/debian/pool/main/c/cloop +# http://ftp.debian.org/debian/pool/main/c/cloop/cloop_2.01.5-4.diff.gz +### CLOOP_PATCH1:=cloop_2.01.5-4.diff.gz +### CLOOP_PATCH1_URL:=$(CLOOP_SITE) +# http://developer.linuxtag.net/knoppix/sources/cloop_2.01-5.tar.gz +CLOOP_SOURCE=cloop_$(CLOOP_VERSION)-5.tar.gz +CLOOP_SITE=http://developer.linuxtag.net/knoppix/sources + +### Note: not used yet! ck +### $(DL_DIR)/$(CLOOP_PATCH1): +### $(WGET) -P $(DL_DIR) $(CLOOP_PATCH1_URL)/$(CLOOP_PATCH1) + +$(DL_DIR)/$(CLOOP_SOURCE): + $(WGET) -P $(DL_DIR) $(CLOOP_SITE)/$(CLOOP_SOURCE) + +$(CLOOP_DIR)/.unpacked: $(DL_DIR)/$(CLOOP_SOURCE) ### $(DL_DIR)/$(CLOOP_PATCH1) + zcat $(DL_DIR)/$(CLOOP_SOURCE) | tar -C $(BUILD_DIR) -xvf - + touch $(CLOOP_DIR)/.unpacked +### zcat $(DL_DIR)/$(CLOOP_PATCH1) | patch -p1 -d $(CLOOP_DIR) +### toolchain/patch-kernel.sh $(CLOOP_DIR) target/cloop/ cloop*.patch + +$(CLOOP_DIR)/create_compressed_fs: $(CLOOP_DIR)/.unpacked + $(MAKE) CFLAGS="-Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -DUSE_ERROR_SILENT" -C $(CLOOP_DIR) \ + APPSONLY=yes -j1 + +cloop: $(CLOOP_DIR)/create_compressed_fs + +cloop-source: $(DL_DIR)/$(CLOOP_SOURCE) + +cloop-clean: + -$(MAKE) -C $(CLOOP_DIR) clean + +cloop-dirclean: + rm -rf $(CLOOP_DIR) + +############################################################# +# +# Build the cloop.o kernel module for the HOST +# +############################################################# + +$(CLOOP_DIR)/cloop.o: $(CLOOP_DIR)/create_compressed_fs + $(MAKE) CFLAGS="-Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -DUSE_ERROR_SILENT" -C $(CLOOP_DIR) -j1 + +cloop-module: $(CLOOP_DIR)/cloop.o + +############################################################# +# +# Build the cloop root filesystem image +# +# Note: we need additionall host tools: +# required: +# mkisofs 2.01a34-unofficial-iconv from http://users.utu.fi/jahhein/mkisofs/ +# optional: +# symlinks: scan/change symbolic links - v1.2 - by Mark Lord +# from ftp://ftp.ibiblio.org/pub/Linux/utils/file/ +# +############################################################# + +### Note: target/default/device_table.txt is not yet supported! ck +# the quickfix is to use sudo to mount the previous created cramroot +check-tools: + which mkisofs + - which symlinks + +clooproot: cloop check-tools $(IMAGE).cramfs ### cramfsroot + -@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true; + @rm -rf $(TARGET_DIR)/usr/man + @rm -rf $(TARGET_DIR)/usr/share/man + @rm -rf $(TARGET_DIR)/usr/info + ### $(CLOOP_DIR)/create_compressed_fs -q -D target/default/device_table.txt $(TARGET_DIR) $(IMAGE).cloop + ## mkisofs -r $(TARGET_DIR) | $(CLOOP_DIR)/create_compressed_fs - 65536 > $(IMAGE).cloop + sudo /sbin/losetup -d /dev/loop1 + sudo /sbin/losetup /dev/loop1 $(IMAGE).cramfs + sudo mkdir -p /mnt/compressed + sudo mount -o ro -t cramfs /dev/loop1 /mnt/compressed + mkisofs -r /mnt/compressed | $(CLOOP_DIR)/create_compressed_fs - 65536 > $(IMAGE).cloop + - symlinks -r /mnt/compressed + sudo umount /mnt/compressed + @echo "Mounting a compressed image:" + @echo " sudo mkdir -p /mnt/compressed" + @echo " sudo /sbin/insmod cloop" + @echo " sudo /sbin/losetup /dev/cloop1 $(IMAGE).cloop" + @echo " sudo mount -o ro -t iso9660 /dev/cloop1 /mnt/compressed" + +clooproot-source: cloop-source + +clooproot-clean: + -$(MAKE) -C $(CLOOP_DIR) clean + +clooproot-dirclean: + rm -rf $(CLOOP_DIR) + +############################################################# +# symlinks -r /mnt/compressed +# dangling: /mnt/compressed/dev/log -> /tmp/log +# other_fs: /mnt/compressed/etc/mtab -> /proc/mounts +# other_fs: /mnt/compressed/var/lib/pcmcia -> /tmp +# other_fs: /mnt/compressed/var/lock -> /tmp +# other_fs: /mnt/compressed/var/log -> /tmp +# other_fs: /mnt/compressed/var/pcmcia -> /tmp +# other_fs: /mnt/compressed/var/run -> /tmp +# other_fs: /mnt/compressed/var/spool -> /tmp +# other_fs: /mnt/compressed/var/tmp -> /tmp +# +# ls -lrsS root_fs_*.* +# 1296 -rw-r--r-- 1 claus users 1325478 Mar 13 16:52 root_fs_powerpc.cloop +# 1448 -rw-r--r-- 1 claus users 1482752 Mar 13 16:52 root_fs_powerpc.cramfs +# 1840 -rw-r--r-- 1 claus users 1883408 Mar 13 13:14 root_fs_powerpc.jffs2 +############################################################# + |