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_LZMA if TARGET_apm821xx
20 default TARGET_INITRAMFS_COMPRESSION_NONE
21 depends on TARGET_ROOTFS_INITRAMFS
23 Select ramdisk compression.
25 config TARGET_INITRAMFS_COMPRESSION_NONE
28 config TARGET_INITRAMFS_COMPRESSION_GZIP
31 config TARGET_INITRAMFS_COMPRESSION_BZIP2
34 config TARGET_INITRAMFS_COMPRESSION_LZMA
37 config TARGET_INITRAMFS_COMPRESSION_LZO
40 config TARGET_INITRAMFS_COMPRESSION_LZ4
43 config TARGET_INITRAMFS_COMPRESSION_XZ
49 prompt "Use external cpio" if TARGET_ROOTFS_INITRAMFS
52 Kernel uses specified external cpio as INITRAMFS_SOURCE.
54 comment "Root filesystem archives"
56 config TARGET_ROOTFS_CPIOGZ
58 default y if USES_CPIOGZ
60 Build a compressed cpio archive of the root filesystem.
62 config TARGET_ROOTFS_TARGZ
64 default y if USES_TARGZ
66 Build a compressed tar archive of the root filesystem.
68 comment "Root filesystem images"
70 menuconfig TARGET_ROOTFS_EXT4FS
72 default y if USES_EXT4
74 Build an ext4 root filesystem.
76 config TARGET_EXT4_RESERVED_PCT
77 int "Percentage of reserved blocks in root filesystem"
78 depends on TARGET_ROOTFS_EXT4FS
81 Select the percentage of reserved blocks in the root filesystem.
84 prompt "Root filesystem block size"
85 default TARGET_EXT4_BLOCKSIZE_4K
86 depends on TARGET_ROOTFS_EXT4FS
88 Select the block size of the root filesystem.
90 config TARGET_EXT4_BLOCKSIZE_4K
93 config TARGET_EXT4_BLOCKSIZE_2K
96 config TARGET_EXT4_BLOCKSIZE_1K
100 config TARGET_EXT4_BLOCKSIZE
102 default 4096 if TARGET_EXT4_BLOCKSIZE_4K
103 default 2048 if TARGET_EXT4_BLOCKSIZE_2K
104 default 1024 if TARGET_EXT4_BLOCKSIZE_1K
105 depends on TARGET_ROOTFS_EXT4FS
107 config TARGET_EXT4_JOURNAL
108 bool "Create a journaling filesystem"
109 depends on TARGET_ROOTFS_EXT4FS
112 Create an ext4 filesystem with a journal.
114 config TARGET_ROOTFS_ISO
117 depends on TARGET_x86_generic
119 Create a bootable ISO image.
121 config TARGET_ROOTFS_JFFS2
123 depends on USES_JFFS2
125 Build a JFFS2 root filesystem.
127 config TARGET_ROOTFS_JFFS2_NAND
128 bool "jffs2 for NAND"
129 default y if USES_JFFS2_NAND
130 depends on USES_JFFS2_NAND
132 Build a JFFS2 root filesystem for NAND flash.
134 menuconfig TARGET_ROOTFS_SQUASHFS
136 default y if USES_SQUASHFS
138 Build a squashfs-lzma root filesystem.
140 config TARGET_SQUASHFS_BLOCK_SIZE
141 int "Block size (in KiB)"
142 depends on TARGET_ROOTFS_SQUASHFS
143 default 64 if LOW_MEMORY_FOOTPRINT
146 menuconfig TARGET_ROOTFS_UBIFS
148 default y if USES_UBIFS
149 depends on USES_UBIFS
151 Build a UBIFS root filesystem.
155 default TARGET_UBIFS_COMPRESSION_ZLIB
156 depends on TARGET_ROOTFS_UBIFS
158 Select compression type
160 config TARGET_UBIFS_COMPRESSION_NONE
163 config TARGET_UBIFS_COMPRESSION_LZO
166 config TARGET_UBIFS_COMPRESSION_ZLIB
170 config TARGET_UBIFS_FREE_SPACE_FIXUP
171 bool "free space fixup" if TARGET_ROOTFS_UBIFS
174 The filesystem free space has to be fixed up on first mount.
176 config TARGET_UBIFS_JOURNAL_SIZE
178 prompt "journal size" if TARGET_ROOTFS_UBIFS
182 bool "Build GRUB images (Linux x86 or x86_64 host only)"
183 depends on TARGET_x86
184 depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
189 bool "Use Console Terminal (in addition to Serial)"
190 depends on GRUB_IMAGES
191 default n if (TARGET_x86_generic_Soekris45xx || TARGET_x86_generic_Soekris48xx || TARGET_x86_net5501 || TARGET_x86_geos || TARGET_x86_alix2)
195 string "Serial port device"
196 depends on GRUB_IMAGES
197 default "hvc0" if TARGET_x86_xen_domu
198 default "ttyS0" if ! TARGET_x86_xen_domu
201 int "Serial port baud rate"
202 depends on GRUB_IMAGES
203 default 38400 if TARGET_x86_generic
207 string "Extra kernel boot options"
208 depends on GRUB_IMAGES
209 default "xencons=hvc" if TARGET_x86_xen_domu
211 If you don't know, just leave it blank.
214 string "Seconds to wait before booting the default entry"
215 depends on GRUB_IMAGES
218 If you don't know, 5 seconds is a reasonable default.
221 bool "Build VirtualBox image files (VDI)"
222 depends on TARGET_x86 || TARGET_x86_64
224 select TARGET_IMAGES_PAD
225 select PACKAGE_kmod-e1000
228 bool "Build VMware image files (VMDK)"
229 depends on TARGET_x86 || TARGET_x86_64
231 select TARGET_IMAGES_PAD
232 select PACKAGE_kmod-e1000
234 config TARGET_IMAGES_PAD
235 bool "Pad images to filesystem size (for JFFS2)"
236 depends on GRUB_IMAGES
238 config TARGET_IMAGES_GZIP
240 depends on TARGET_IMAGES_PAD || TARGET_ROOTFS_EXT4FS
243 comment "Image Options"
245 source "target/linux/*/image/Config.in"
247 config TARGET_KERNEL_PARTSIZE
248 int "Kernel partition size (in MB)"
249 depends on GRUB_IMAGES
252 config TARGET_ROOTFS_PARTSIZE
253 int "Root filesystem partition size (in MB)"
254 depends on GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532 || TARGET_mvebu || TARGET_uml
257 Select the root filesystem partition size.
259 config TARGET_ROOTFS_PARTNAME
260 string "Root partition on target device"
261 depends on GRUB_IMAGES
263 Override the root partition on the final device. If left empty,
264 it will be mounted by PARTUUID which makes the kernel find the
265 appropriate disk automatically.