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authorChristian Lamparter <chunkeey@gmail.com>2018-07-29 11:55:15 +0200
committerJohn Crispin <john@phrozen.org>2018-07-30 08:11:56 +0200
commitaed4799d6d05d89dbca1bd5f14cc3d09ac563f3b (patch)
treee25dae8904f5ae669c619e623bc854666fe5e0de /target
parent7516a960113d512cb2909f40bd07caf2a6c547b1 (diff)
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apm821xx: build squashfs-rootfs images for the MBL
This patch adds support for squashfs as the root filesystem. advantages: - migrate from a existing -ext4 installation and back with the sysupgrade utility - existing partition layout will not be lost during switch - slightly smaller image size as compared to the -ext4 image. disadvantages: - needs f2fs + tools. This is because fstools rootdisk.c decides based on the partition size (currently root partitions > 100 MiB) f2fs is used as the rootfs_data filesystem. - rootfs_data is placed into the rootfs partition after the squashfs. This makes it difficult for tools that expect a /dev/sda${X} device. It also makes it difficult for data recovery tools as they might not expect to find a embedded partition or will be slightly confused. ... or will not support f2fs. For people with existing build configurations: make sure to include mkf2fs and f2fsck packages into the image. Otherwise the new -squashfs image will only boot from the ram-overlay. Note: All overlay data (configurations/all installed packages/...) will be placed in inside the rootfs partition (i.e. /dev/sda2) just after the squashfs image. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Diffstat (limited to 'target')
-rw-r--r--target/linux/apm821xx/image/Makefile5
-rw-r--r--target/linux/apm821xx/image/mbl_boot.scr2
-rwxr-xr-xtarget/linux/apm821xx/image/mbl_gen_hdd_img.sh8
-rw-r--r--target/linux/apm821xx/sata/config-default6
-rw-r--r--target/linux/apm821xx/sata/target.mk4
5 files changed, 15 insertions, 10 deletions
diff --git a/target/linux/apm821xx/image/Makefile b/target/linux/apm821xx/image/Makefile
index 9d9c0e5ace..bfc6562431 100644
--- a/target/linux/apm821xx/image/Makefile
+++ b/target/linux/apm821xx/image/Makefile
@@ -211,7 +211,7 @@ define Build/boot-img
endef
define Build/hdd-img
- ./mbl_gen_hdd_img.sh $@ $@.boot $(IMAGE_ROOTFS)
+ ./mbl_gen_hdd_img.sh $@ $@.boot $(IMAGE_ROOTFS) $(BOOT_SIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
endef
define Device/wd_mybooklive
@@ -219,7 +219,6 @@ define Device/wd_mybooklive
DEVICE_PACKAGES := kmod-usb-dwc2 kmod-usb-ledtrig-usbport kmod-usb-storage kmod-fs-vfat wpad-mini
DEVICE_DTS := wd-mybooklive
SUPPORTED_DEVICES += mbl wd_mybooklive-duo
- IMAGE_SIZE := 48m
BLOCKSIZE := 1k
DTB_SIZE := 16384
KERNEL := kernel-bin | dtb | gzip | uImage gzip
@@ -227,7 +226,7 @@ define Device/wd_mybooklive
BOOT_SIZE := 8
IMAGES := rootfs.img.gz kernel.dtb
DEVICE_DTB := apollo3g.dtb
- FILESYSTEMS := ext4
+ FILESYSTEMS := ext4 squashfs
IMAGE/kernel.dtb := export-dtb
IMAGE/rootfs.img.gz := boot-script | boot-img | hdd-img | gzip | append-metadata
endef
diff --git a/target/linux/apm821xx/image/mbl_boot.scr b/target/linux/apm821xx/image/mbl_boot.scr
index 062dc2725a..955216983b 100644
--- a/target/linux/apm821xx/image/mbl_boot.scr
+++ b/target/linux/apm821xx/image/mbl_boot.scr
@@ -1,4 +1,4 @@
-setenv boot_args 'setenv bootargs root=/dev/sda2 rw rootfstype=ext4'
+setenv boot_args 'setenv bootargs root=/dev/sda2 rw rootfstype=squashfs,ext4'
setenv load_part1 'sata init; ext2load sata 1:1 ${kernel_addr_r} /boot/uImage; ext2load sata 1:1 ${fdt_addr_r} /boot/apollo3g.dtb'
setenv load_part2 'sata init; ext2load sata 0:1 ${kernel_addr_r} /boot/uImage; ext2load sata 0:1 ${fdt_addr_r} /boot/apollo3g.dtb'
setenv load_sata 'if run load_part1; then echo Loaded part 1; elif run load_part2; then echo Loaded part 2; fi'
diff --git a/target/linux/apm821xx/image/mbl_gen_hdd_img.sh b/target/linux/apm821xx/image/mbl_gen_hdd_img.sh
index 589dcf9150..6536ce9872 100755
--- a/target/linux/apm821xx/image/mbl_gen_hdd_img.sh
+++ b/target/linux/apm821xx/image/mbl_gen_hdd_img.sh
@@ -1,16 +1,16 @@
#!/usr/bin/env bash
set -x
-[ $# -eq 3 ] || {
- echo "SYNTAX: $0 <file> <bootfs image> <rootfs image>"
+[ $# -eq 5 ] || {
+ echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
exit 1
}
OUTPUT="$1"
BOOTFS="$2"
ROOTFS="$3"
-let "BOOTFSSIZE=(`stat -c%s "$2"` + 1048575) / 1048576"
-let "ROOTFSSIZE=(`stat -c%s "$3"` + 1048575) / 1048576"
+BOOTFSSIZE="$4"
+ROOTFSSIZE="$5"
head=4
sect=63
diff --git a/target/linux/apm821xx/sata/config-default b/target/linux/apm821xx/sata/config-default
index 7ca6bd4d3d..4c7c655233 100644
--- a/target/linux/apm821xx/sata/config-default
+++ b/target/linux/apm821xx/sata/config-default
@@ -16,6 +16,11 @@ CONFIG_GENERIC_PHY=y
CONFIG_SATA_DWC=y
# CONFIG_SATA_DWC_DEBUG is not set
CONFIG_EXT4_FS=y
+# CONFIG_F2FS_CHECK_FS is not set
+CONFIG_F2FS_FS=y
+# CONFIG_F2FS_FS_SECURITY is not set
+CONFIG_F2FS_FS_XATTR=y
+CONFIG_F2FS_STAT_FS=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_GPIOLIB=y
@@ -23,6 +28,7 @@ CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_GENERIC_PLATFORM=y
CONFIG_GPIO_74XX_MMIO=y
CONFIG_LEDS_TRIGGER_DISK=y
+CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_DM=y
CONFIG_BLK_DEV_DM_BUILTIN=y
CONFIG_BLK_DEV_MD=y
diff --git a/target/linux/apm821xx/sata/target.mk b/target/linux/apm821xx/sata/target.mk
index 1c7856828c..a5107f1067 100644
--- a/target/linux/apm821xx/sata/target.mk
+++ b/target/linux/apm821xx/sata/target.mk
@@ -1,7 +1,7 @@
BOARDNAME := Devices which boot from SATA (NAS)
-FEATURES += ext4 usb ramdisk
+FEATURES += ext4 usb ramdisk squashfs
DEFAULT_PACKAGES += badblocks block-mount e2fsprogs \
- kmod-dm kmod-md-mod partx-utils
+ kmod-dm kmod-md-mod partx-utils mkf2fs f2fsck
define Target/Description
Build firmware images for APM82181 boards that boot from SATA.