1 # Copyright (C) 2006-2013 OpenWrt.org
3 # This is free software, licensed under the GNU General Public License v2.
4 # See /LICENSE for more information.
9 menuconfig TARGET_ROOTFS_INITRAMFS
11 default y if USES_INITRAMFS
13 Embed the root filesystem into the kernel (initramfs).
17 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
18 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
19 default TARGET_INITRAMFS_COMPRESSION_NONE
20 depends on TARGET_ROOTFS_INITRAMFS
22 Select ramdisk compression.
24 config TARGET_INITRAMFS_COMPRESSION_NONE
27 config TARGET_INITRAMFS_COMPRESSION_GZIP
30 config TARGET_INITRAMFS_COMPRESSION_BZIP2
33 config TARGET_INITRAMFS_COMPRESSION_LZMA
36 config TARGET_INITRAMFS_COMPRESSION_LZO
39 config TARGET_INITRAMFS_COMPRESSION_LZ4
42 config TARGET_INITRAMFS_COMPRESSION_XZ
48 prompt "Use external cpio" if TARGET_ROOTFS_INITRAMFS
51 Kernel uses specified external cpio as INITRAMFS_SOURCE.
53 comment "Root filesystem archives"
55 config TARGET_ROOTFS_CPIOGZ
57 default y if USES_CPIOGZ
59 Build a compressed cpio archive of the root filesystem.
61 config TARGET_ROOTFS_TARGZ
63 default y if USES_TARGZ
65 Build a compressed tar archive of the root filesystem.
67 comment "Root filesystem images"
69 menuconfig TARGET_ROOTFS_EXT4FS
71 default y if USES_EXT4
73 Build an ext4 root filesystem.
75 config TARGET_EXT4_MAXINODE
76 int "Maximum number of inodes in root filesystem"
77 depends on TARGET_ROOTFS_EXT4FS
80 Select the maximum number of inodes in the root filesystem.
82 config TARGET_EXT4_RESERVED_PCT
83 int "Percentage of reserved blocks in root filesystem"
84 depends on TARGET_ROOTFS_EXT4FS
87 Select the percentage of reserved blocks in the root filesystem.
90 prompt "Root filesystem block size"
91 default TARGET_EXT4_BLOCKSIZE_4K
92 depends on TARGET_ROOTFS_EXT4FS
94 Select the block size of the root filesystem.
96 config TARGET_EXT4_BLOCKSIZE_4K
99 config TARGET_EXT4_BLOCKSIZE_2K
102 config TARGET_EXT4_BLOCKSIZE_1K
106 config TARGET_EXT4_BLOCKSIZE
108 default 4096 if TARGET_EXT4_BLOCKSIZE_4K
109 default 2048 if TARGET_EXT4_BLOCKSIZE_2K
110 default 1024 if TARGET_EXT4_BLOCKSIZE_1K
111 depends on TARGET_ROOTFS_EXT4FS
113 config TARGET_EXT4_JOURNAL
114 bool "Create a journaling filesystem"
115 depends on TARGET_ROOTFS_EXT4FS
118 Create an ext4 filesystem with a journal.
120 config TARGET_ROOTFS_ISO
123 depends on TARGET_x86_generic
125 Create a bootable ISO image.
127 config TARGET_ROOTFS_JFFS2
129 depends on USES_JFFS2
131 Build a JFFS2 root filesystem.
133 config TARGET_ROOTFS_JFFS2_NAND
134 bool "jffs2 for NAND"
135 default y if USES_JFFS2_NAND
136 depends on USES_JFFS2_NAND
138 Build a JFFS2 root filesystem for NAND flash.
140 menuconfig TARGET_ROOTFS_SQUASHFS
142 default y if USES_SQUASHFS
144 Build a squashfs-lzma root filesystem.
146 config TARGET_SQUASHFS_BLOCK_SIZE
147 int "Block size (in KiB)"
148 depends on TARGET_ROOTFS_SQUASHFS
149 default 64 if LOW_MEMORY_FOOTPRINT
152 menuconfig TARGET_ROOTFS_UBIFS
154 default y if USES_UBIFS
155 depends on USES_UBIFS
157 Build a UBIFS root filesystem.
161 default TARGET_UBIFS_COMPRESSION_ZLIB
162 depends on TARGET_ROOTFS_UBIFS
164 Select compression type
166 config TARGET_UBIFS_COMPRESSION_NONE
169 config TARGET_UBIFS_COMPRESSION_LZO
172 config TARGET_UBIFS_COMPRESSION_ZLIB
176 config TARGET_UBIFS_FREE_SPACE_FIXUP
177 bool "free space fixup" if TARGET_ROOTFS_UBIFS
180 The filesystem free space has to be fixed up on first mount.
182 config TARGET_UBIFS_JOURNAL_SIZE
184 prompt "journal size" if TARGET_ROOTFS_UBIFS
188 bool "Build GRUB images (Linux x86 or x86_64 host only)"
189 depends on TARGET_x86
190 depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
195 bool "Use Console Terminal (in addition to Serial)"
196 depends on GRUB_IMAGES
197 default n if (TARGET_x86_generic_Soekris45xx || TARGET_x86_generic_Soekris48xx || TARGET_x86_net5501 || TARGET_x86_geos || TARGET_x86_alix2)
201 string "Serial port device"
202 depends on GRUB_IMAGES
203 default "hvc0" if TARGET_x86_xen_domu
204 default "ttyS0" if ! TARGET_x86_xen_domu
207 int "Serial port baud rate"
208 depends on GRUB_IMAGES
209 default 38400 if TARGET_x86_generic
210 default 38400 if TARGET_x86_geode
214 string "Extra kernel boot options"
215 depends on GRUB_IMAGES
216 default "xencons=hvc" if TARGET_x86_xen_domu
218 If you don't know, just leave it blank.
221 string "Seconds to wait before booting the default entry"
222 depends on GRUB_IMAGES
225 If you don't know, 5 seconds is a reasonable default.
228 bool "Build VirtualBox image files (VDI)"
229 depends on TARGET_x86 || TARGET_x86_64
231 select TARGET_IMAGES_PAD
232 select PACKAGE_kmod-e1000
235 bool "Build VMware image files (VMDK)"
236 depends on TARGET_x86 || TARGET_x86_64
238 select TARGET_IMAGES_PAD
239 select PACKAGE_kmod-e1000
241 config TARGET_IMAGES_PAD
242 bool "Pad images to filesystem size (for JFFS2)"
243 depends on GRUB_IMAGES
245 config TARGET_IMAGES_GZIP
247 depends on TARGET_IMAGES_PAD || TARGET_ROOTFS_EXT4FS
250 comment "Image Options"
252 source "target/linux/*/image/Config.in"
254 config TARGET_KERNEL_PARTSIZE
255 int "Kernel partition size (in MB)"
256 depends on GRUB_IMAGES
259 config TARGET_ROOTFS_PARTSIZE
260 int "Root filesystem partition size (in MB)"
261 depends on GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
264 Select the root filesystem partition size.
266 config TARGET_ROOTFS_PARTNAME
267 string "Root partition on target device"
268 depends on GRUB_IMAGES
270 Override the root partition on the final device. If left empty,
271 it will be mounted by PARTUUID which makes the kernel find the
272 appropriate disk automatically.