From: Eric Andersen Date: Sun, 23 Jan 2005 10:53:06 +0000 (-0000) Subject: Patch from gtj -- http://bugs.uclibc.org/view.php?id=39 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0a87bc7b58258026c51aa479774b33828dccf236;p=buildroot.git Patch from gtj -- bugs.uclibc.org/view.php?id=39 0000039: Adds options to ext2 filesystem creation Adds ability to specify block and inode counts, reserved blocks, permissions squash and device table in the configuration. Also adds capability to gzip output and to copy the resulting image to a secondary location like a tftp server's root directory. --- diff --git a/target/ext2/Config.in b/target/ext2/Config.in index 7e137ae41c..891a430169 100644 --- a/target/ext2/Config.in +++ b/target/ext2/Config.in @@ -1,6 +1,51 @@ -config BR2_TARGET_ROOTFS_EXT2 +menuconfig BR2_TARGET_ROOTFS_EXT2 bool "ext2 root filesystem for the target device" default y help Build an ext2 root filesystem +config BR2_TARGET_ROOTFS_EXT2_BLOCKS + int "size in blocks (leave at 0 for auto calculation" + depends on BR2_TARGET_ROOTFS_EXT2 + default 0 + +config BR2_TARGET_ROOTFS_EXT2_INODES + int "inodes (leave at 0 for auto calculation)" + depends on BR2_TARGET_ROOTFS_EXT2 + default 0 + +config BR2_TARGET_ROOTFS_EXT2_RESBLKS + int "reserved blocks" + depends on BR2_TARGET_ROOTFS_EXT2 + default 0 + +config BR2_TARGET_ROOTFS_EXT2_SQUASH + bool "Make all files be owned by root" + depends on BR2_TARGET_ROOTFS_EXT2 + default y + +config BR2_TARGET_ROOTFS_EXT2_DEVFILE + string "Location of device table file (blank for none)" + depends on BR2_TARGET_ROOTFS_EXT2 + default "target/default/device_table.txt" + +config BR2_TARGET_ROOTFS_EXT2_OUTPUT + string "Output File" + depends on BR2_TARGET_ROOTFS_EXT2 + default "$(IMAGE).ext2" + +config BR2_TARGET_ROOTFS_EXT2_GZ + bool "gzip the output file" + depends on BR2_TARGET_ROOTFS_EXT2 + default n + +config BR2_TARGET_ROOTFS_EXT2_COPYTO + string "also copy the image to..." + depends on BR2_TARGET_ROOTFS_EXT2 + default "" + help + Copies the resulting image to a secondary location + like a tftp server's root directory. + + + diff --git a/target/ext2/ext2root.mk b/target/ext2/ext2root.mk index e4e77ca0a8..8dfa513e14 100644 --- a/target/ext2/ext2root.mk +++ b/target/ext2/ext2root.mk @@ -47,11 +47,61 @@ GENEXT2_SIZE=$(shell expr $(GENEXT2_REALSIZE) + $(GENEXT2_ADDTOROOTSIZE) + 200) GENEXT2_INODES=$(shell expr $(shell find $(TARGET_DIR) | wc -l) + 400) #GENEXT2_SIZE=100000 -ext2root: genext2fs - #-@find $(TARGET_DIR)/lib -type f -name \*.so\* | xargs $(STRIP) --strip-unneeded 2>/dev/null || true; +EXT2_OPTS := + +ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0) +EXT2_OPTS += -b $(GENEXT2_SIZE) +else +EXT2_OPTS += -b $(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)) +endif + +ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_INODES)),0) +EXT2_OPTS += -i $(GENEXT2_INODES) +else +EXT2_OPTS += -i $(strip $(BR2_TARGET_ROOTFS_EXT2_INODES)) +endif + +ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_SQUASH)),y) +EXT2_OPTS += -q +endif + +ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)),0) +EXT2_OPTS += -r $(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)) +endif + +EXT2_DEVFILE := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_DEVFILE))) +ifneq ($(EXT2_DEVFILE),) +EXT2_OPTS += -D $(EXT2_DEVFILE) +endif + +EXT2_BASE := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_OUTPUT)) + +ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_GZ)),y) +EXT2_TARGET := $(EXT2_BASE).gz +else +EXT2_TARGET := $(EXT2_BASE) +endif + +$(EXT2_BASE): genext2fs -@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true; - $(GENEXT2_DIR)/genext2fs -i $(GENEXT2_INODES) -b $(GENEXT2_SIZE) \ - -d $(TARGET_DIR) -q -D target/default/device_table.txt $(IMAGE).ext2 + @rm -rf $(TARGET_DIR)/usr/man + @rm -rf $(TARGET_DIR)/usr/share/man + @rm -rf $(TARGET_DIR)/usr/info + $(GENEXT2_DIR)/genext2fs \ + -d $(TARGET_DIR) \ + $(EXT2_OPTS) \ + $(EXT2_BASE) + +$(EXT2_BASE).gz: $(EXT2_BASE) + @gzip --best -fv $(EXT2_BASE) + +EXT2_COPYTO := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_COPYTO))) + +ext2root: $(EXT2_TARGET) + @ls -l $(EXT2_TARGET) +ifneq ($(EXT2_COPYTO),) + @cp -f $(EXT2_TARGET) $(EXT2_COPYTO) +endif ext2root-source: $(DL_DIR)/$(GENEXT2_SOURCE)