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 rootfs 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 the root filesystem
61 config TARGET_ROOTFS_TARGZ
63 default y if USES_TARGZ
65 Build a compressed tar archive of the the root filesystem
67 comment "Root filesystem images"
69 menuconfig TARGET_ROOTFS_EXT4FS
71 default y if USES_EXT4
73 Build a ext4 root filesystem
75 config TARGET_EXT4_MAXINODE
76 int "Maximum number of inodes in root filesystem"
77 depends on TARGET_ROOTFS_EXT4FS
80 Allows you to change 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 Allows you to change 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 Allows you to change 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 some bootable ISO image
127 config TARGET_ROOTFS_JFFS2
129 default y if 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_NONE
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 file-system 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_64 || (TARGET_x86 && !(TARGET_x86_olpc || TARGET_x86_rdc))
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 19200 if TARGET_x86_generic_Soekris45xx || TARGET_x86_generic_Soekris48xx || TARGET_x86_net5501
210 default 38400 if TARGET_x86_alix2
211 default 115200 if TARGET_x86_geos || TARGET_x86_kvm_guest
215 string "Extra kernel boot options"
216 depends on GRUB_IMAGES
217 default "xencons=hvc" if TARGET_x86_xen_domu
219 If you don't know, just leave it blank.
222 string "Seconds to wait before booting the default entry"
223 depends on GRUB_IMAGES
226 If you don't know, 5 seconds is a reasonable default.
229 bool "Build VirtualBox image files (VDI)"
230 depends on TARGET_x86 || TARGET_x86_64
232 select TARGET_ROOTFS_EXT4FS
233 select PACKAGE_kmod-e1000
236 bool "Build VMware image files (VMDK)"
237 depends on TARGET_x86 || TARGET_x86_64
239 select TARGET_ROOTFS_EXT4FS
240 select PACKAGE_kmod-e1000
242 config TARGET_IMAGES_PAD
243 bool "Pad images to filesystem size (for JFFS2)"
244 depends on OLPC_BOOTSCRIPT_IMAGES || GRUB_IMAGES
246 config TARGET_IMAGES_GZIP
248 depends on TARGET_IMAGES_PAD || TARGET_ROOTFS_EXT4FS
251 comment "Image Options"
253 source "target/linux/*/image/Config.in"
255 config TARGET_KERNEL_PARTSIZE
256 int "Kernel partition size (in MB)"
257 depends on OLPC_BOOTSCRIPT_IMAGES || GRUB_IMAGES
260 config TARGET_ROOTFS_PARTSIZE
261 int "Root filesystem partition size (in MB)"
262 depends on GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
265 Allows you to change the root filesystem partition size
267 config TARGET_ROOTFS_PARTNAME
268 string "Root partition on target device"
269 depends on OLPC_BOOTSCRIPT_IMAGES || GRUB_IMAGES
270 default "/dev/xvda2" if TARGET_x86_xen_domu
271 default "/dev/sda2" if ! TARGET_x86_xen_domu
273 The root partition on the final device. If you don't know,
274 you probably want the default (/dev/sda2).
277 menuconfig TARGET_ROOTFS_INCLUDE_KERNEL
278 bool "Include kernel in root filesystem"
279 depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
282 Include the kernel image in the rootfs. Typically the image is placed
285 config TARGET_ROOTFS_INCLUDE_UIMAGE
286 bool "include uImage" if TARGET_ROOTFS_INCLUDE_KERNEL
289 This option might not apply to all targets. Make sure
290 to check target/linux/<your_target>/image/Makefile to
291 see if this option will have any effect.
293 config TARGET_ROOTFS_INCLUDE_ZIMAGE
294 bool "include zImage" if TARGET_ROOTFS_INCLUDE_KERNEL
297 This option might not apply to all targets. Make sure
298 to check target/linux/<your_target>/image/Makefile to
299 see if this option will have any effect.
301 config TARGET_ROOTFS_INCLUDE_FIT
302 bool "include FIT" if TARGET_ROOTFS_INCLUDE_KERNEL
305 This option might not apply to all targets. Make sure
306 to check target/linux/<your_target>/image/Makefile to
307 see if this option will have any effect.
309 config TARGET_ROOTFS_INCLUDE_DTB
310 bool "Include DTB in root filesystem"
311 depends on USES_DEVICETREE && (TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS)
314 Include the device tree blob file(s) in the rootfs. Typically the DTBs
315 are placed below /boot.