From: Arnout Vandecappelle Date: Fri, 9 Nov 2012 13:54:09 +0000 (+0000) Subject: iso9660 fs: use cpio initrd instead of ext2 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ff3391323a2baa8c1238d795ec82701dacb77c6f;p=buildroot.git iso9660 fs: use cpio initrd instead of ext2 The ext2 initrd is pretty broken, because it requires an additional root=/dev/ram0 command line parameter, and a /init to mount devtmps that isn't there in out ext2 rootfs. So just use a cpio instead. Note that there is no check if the kernel supports initramfs or the selected compression method. Also removed a bit of dead code in iso9660.mk. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) Signed-off-by: Peter Korsgaard --- diff --git a/fs/iso9660/Config.in b/fs/iso9660/Config.in index 4c00583dc4..98ff78b0ba 100644 --- a/fs/iso9660/Config.in +++ b/fs/iso9660/Config.in @@ -2,7 +2,7 @@ config BR2_TARGET_ROOTFS_ISO9660 bool "iso image" depends on (BR2_i386 || BR2_x86_64) depends on BR2_LINUX_KERNEL - select BR2_TARGET_ROOTFS_EXT2 + select BR2_TARGET_ROOTFS_CPIO select BR2_TARGET_GRUB help Build a bootable iso9660 image diff --git a/fs/iso9660/iso9660.mk b/fs/iso9660/iso9660.mk index f51b6ee868..029c0dd94a 100644 --- a/fs/iso9660/iso9660.mk +++ b/fs/iso9660/iso9660.mk @@ -9,20 +9,19 @@ ISO9660_TARGET_DIR=$(BUILD_DIR)/iso9660 ISO9660_BOOT_MENU:=$(call qstrip,$(BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU)) -ISO9660_OPTS:= -ifeq ($(BR2_TARGET_ROOTFS_ISO9660_SQUASH),y) -ISO9660_OPTS+=-U -endif +ISO9660_CPIO_EXT-$(BR2_TARGET_ROOTFS_CPIO_GZIP) = .gz +ISO9660_CPIO_EXT-$(BR2_TARGET_ROOTFS_CPIO_BZIP2) = .bz2 +ISO9660_CPIO_EXT-$(BR2_TARGET_ROOTFS_CPIO_LZMA) = .lzma -$(BINARIES_DIR)/rootfs.iso9660: host-cdrkit host-fakeroot linux rootfs-ext2 grub +$(BINARIES_DIR)/rootfs.iso9660: host-cdrkit host-fakeroot linux rootfs-cpio grub @$(call MESSAGE,"Generating root filesystem image rootfs.iso9660") mkdir -p $(ISO9660_TARGET_DIR) mkdir -p $(ISO9660_TARGET_DIR)/boot/grub cp $(GRUB_DIR)/stage2/stage2_eltorito $(ISO9660_TARGET_DIR)/boot/grub/ cp $(ISO9660_BOOT_MENU) $(ISO9660_TARGET_DIR)/boot/grub/menu.lst cp $(LINUX_IMAGE_PATH) $(ISO9660_TARGET_DIR)/kernel - cp $(BINARIES_DIR)/rootfs.ext2 $(ISO9660_TARGET_DIR)/initrd + cp $(BINARIES_DIR)/rootfs.cpio$(ISO9660_CPIO_EXT-y) $(ISO9660_TARGET_DIR)/initrd # Use fakeroot to pretend all target binaries are owned by root rm -f $(FAKEROOT_SCRIPT) echo "chown -R 0:0 $(ISO9660_TARGET_DIR)" >> $(FAKEROOT_SCRIPT)