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authorChristian Lamparter <chunkeey@gmail.com>2018-03-27 19:42:18 +0200
committerJohn Crispin <john@phrozen.org>2018-05-18 09:17:49 +0200
commit707b6c815bba34e9783d2695020bb17385fdcf1d (patch)
tree91b7ef0546f040bbeee3b2d9f73435abfba21ed3 /target/linux/brcm2708/Makefile
parent8f9baf5e1a9300fe66ff90486182a1fd2e645d9e (diff)
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brcm2708: add squashfs rootfs image
This patch adds a image with squashfs as the root filesystem. A rootfs_data partition will be generated on the first boot and placed inside the rootfs partition (just after the squashfs image). advantages: - it is possible to migrate from an existing -ext4 installation and back via sysupgrade. - existing partition layout will not be lost. - slightly smaller image size. - support for attendedsysupgrade disadvantages: - needs f2fs + tools as well. This is because fs-tools decides on the blocksize of the sdcard. So either f2fs or ext4 can get choosen as the rootfs_data filesystem (depends on the size of the root partition). - rootfs_data is placed into the rootfs partition. This makes it difficult for tools that expect a /dev/mmc0pX device. It also makes it difficult for data recovery tools since they might not expect to find a embedded partition or will be confused. For people with existing build configurations: make sure to include mkf2fs and f2fsck package into the image... Otherwise the new -squashfs image will boot of a ram-overlay and won't keep the configurations after a reboot. Cc: Álvaro Fernández Rojas <noltari@gmail.com> Cc: Paul Spooren <spooren@informatik.uni-leipzig.de> Cc: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Acked-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'target/linux/brcm2708/Makefile')
-rw-r--r--target/linux/brcm2708/Makefile5
1 files changed, 3 insertions, 2 deletions
diff --git a/target/linux/brcm2708/Makefile b/target/linux/brcm2708/Makefile
index 244513dfc6..870029c4c8 100644
--- a/target/linux/brcm2708/Makefile
+++ b/target/linux/brcm2708/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
ARCH:=arm
BOARD:=brcm2708
BOARDNAME:=Broadcom BCM27xx
-FEATURES:=ext4 audio usb usbgadget display gpio fpu
+FEATURES:=ext4 audio usb usbgadget display gpio fpu squashfs
MAINTAINER:=Álvaro Fernández Rojas <noltari@gmail.com>
SUBTARGETS:=bcm2708 bcm2709 bcm2710
@@ -27,7 +27,8 @@ DEFAULT_PACKAGES += \
kmod-usb-hid \
kmod-sound-core kmod-sound-arm-bcm2835 \
kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 \
- brcmfmac-firmware-43430-sdio kmod-brcmfmac wpad-mini
+ brcmfmac-firmware-43430-sdio kmod-brcmfmac wpad-mini \
+ partx-utils mkf2fs e2fsprogs
KERNELNAME:=Image dtbs