Commit 119e9af1 authored by Bernhard Reutner-Fischer's avatar Bernhard Reutner-Fischer
Browse files

- add a simple cpio target, to be used with an initramfs. 

  Thanks to Goetz Bock
parent 77fc01bc

target/Config.in

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@@ -8,6 +8,7 @@ source "target/ext2/Config.in" 
source "target/jffs2/Config.in"

source "target/squashfs/Config.in"

source "target/tar/Config.in"

source "target/cpio/Config.in"

source "target/iso9660/Config.in"



comment "bootloader for target device"

target/cpio/Config.in

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+6 −0
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config BR2_TARGET_ROOTFS_CPIO

       bool "cpio the root filesystem"

       default n

       help

         Build a cpio archive of the root filesystem

target/cpio/cpioroot.mk

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+45 −0
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#############################################################

#

# cpio to archive target filesystem

#

#############################################################



CPIO_TARGET:=$(IMAGE).cpio



cpioroot-init:

       ln -s sbin/init $(TARGET_DIR)/init



cpioroot: host-fakeroot makedevs cpioroot-init

       -@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true;

       @rm -rf $(TARGET_DIR)/usr/man

       @rm -rf $(TARGET_DIR)/usr/info

       -/sbin/ldconfig -r $(TARGET_DIR) 2>/dev/null

       # Use fakeroot to pretend all target binaries are owned by root

       rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(TAR_TARGET))

       touch $(STAGING_DIR)/.fakeroot.00000

       cat $(STAGING_DIR)/.fakeroot* > $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))

       echo "chown -R root:root $(TARGET_DIR)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))

       # Use fakeroot to pretend to create all needed device nodes

       echo "$(STAGING_DIR)/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \

               >> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))

       # Use fakeroot so tar believes the previous fakery

       echo "cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $(CPIO_TARGET)" \

               >> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))

       chmod a+x $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))

       $(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))

       #-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))



cpioroot-source:



cpioroot-clean:



cpioroot-dirclean:



#############################################################

#

# Toplevel Makefile options

#

#############################################################

ifeq ($(strip $(BR2_TARGET_ROOTFS_CPIO)),y)

TARGETS+=cpioroot

endif