diff options
Diffstat (limited to 'fs/ext2/ext2.mk')
| -rw-r--r-- | fs/ext2/ext2.mk | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/fs/ext2/ext2.mk b/fs/ext2/ext2.mk new file mode 100644 index 000000000..68b3b813c --- /dev/null +++ b/fs/ext2/ext2.mk @@ -0,0 +1,40 @@ +############################################################# +# +# Build the ext2 root filesystem image +# +############################################################# + +EXT2_OPTS := + +ifeq ($(BR2_TARGET_ROOTFS_EXT2_SQUASH),y) +EXT2_OPTS += -U +endif + +ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0) +EXT2_OPTS += -b $(BR2_TARGET_ROOTFS_EXT2_BLOCKS) +endif + +ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_INODES)),0) +EXT2_OPTS += -N $(BR2_TARGET_ROOTFS_EXT2_INODES) +endif + +ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)),) +EXT2_OPTS += -m $(BR2_TARGET_ROOTFS_EXT2_RESBLKS) +endif + +ROOTFS_EXT2_DEPENDENCIES = host-genext2fs + +ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0) +GENEXT2_REALSIZE=$(shell LC_ALL=C du -s -c -k $(TARGET_DIR) | grep total | sed -e "s/total//") +GENEXT2_ADDTOROOTSIZE=$(shell if [ $(GENEXT2_REALSIZE) -ge 20000 ]; then echo 16384; else echo 2400; fi) +GENEXT2_SIZE=$(shell expr $(GENEXT2_REALSIZE) + $(GENEXT2_ADDTOROOTSIZE)) +GENEXT2_ADDTOINODESIZE=$(shell find $(TARGET_DIR) | wc -l) +GENEXT2_INODES=$(shell expr $(GENEXT2_ADDTOINODESIZE) + 400) +EXT2_OPTS += -b $(GENEXT2_SIZE) -N $(GENEXT2_INODES) +endif + +define ROOTFS_EXT2_CMD + $(HOST_DIR)/usr/bin/genext2fs -d $(TARGET_DIR) $(EXT2_OPTS) $$@ +endef + +$(eval $(call ROOTFS_TARGET,ext2))
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