| config BR2_TARGET_ROOTFS_CPIO |
| bool "cpio the root filesystem (for use as an initial RAM filesystem)" |
| help |
| Build a cpio archive of the root filesystem. This is typically |
| used for an initial RAM filesystem that is passed to the |
| kernel by the bootloader. |
| |
| if BR2_TARGET_ROOTFS_CPIO |
| |
| choice |
| prompt "Compression method" |
| default BR2_TARGET_ROOTFS_CPIO_NONE |
| help |
| Select compressor for cpio filesystem of the root filesystem. |
| If you use the cpio archive as an initial RAM filesystem, make |
| sure the kernel contains the decompression algorithm selected |
| here. |
| |
| config BR2_TARGET_ROOTFS_CPIO_NONE |
| bool "no compression" |
| help |
| Do not compress the cpio filesystem. |
| |
| config BR2_TARGET_ROOTFS_CPIO_GZIP |
| bool "gzip" |
| help |
| Do compress the cpio filesystem with gzip. |
| |
| config BR2_TARGET_ROOTFS_CPIO_BZIP2 |
| bool "bzip2" |
| help |
| Do compress the cpio filesystem with bzip2. |
| |
| config BR2_TARGET_ROOTFS_CPIO_LZ4 |
| bool "lz4" |
| help |
| Do compress the cpio filesystem with lz4. |
| |
| config BR2_TARGET_ROOTFS_CPIO_LZMA |
| bool "lzma" |
| help |
| Do compress the cpio filesystem with lzma. |
| |
| config BR2_TARGET_ROOTFS_CPIO_LZO |
| bool "lzo" |
| help |
| Do compress the cpio filesystem with lzop. |
| |
| config BR2_TARGET_ROOTFS_CPIO_XZ |
| bool "xz" |
| help |
| Do compress the cpio filesystem with xz. |
| |
| config BR2_TARGET_ROOTFS_CPIO_ZSTD |
| bool "zstd" |
| help |
| Do compress the cpio filesystem with zstd. |
| |
| endchoice |
| |
| config BR2_TARGET_ROOTFS_CPIO_UIMAGE |
| bool "Create U-Boot image of the root filesystem" |
| select BR2_PACKAGE_HOST_UBOOT_TOOLS |
| help |
| Add a U-Boot header to the cpio root filesystem. This allows |
| the initramfs to be loaded with the bootm command in U-Boot. |
| |
| The U-Boot image will be called rootfs.cpio.uboot |
| |
| endif # BR2_TARGET_ROOTFS_CPIO |
