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boot according to GPT bootable flags

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Signed-off-by: Michel Stempin <michel.stempin@wanadoo.fr>
This commit is contained in:
Michel Stempin 2020-10-17 12:07:33 +02:00
parent feab0199f7
commit 2d456ef6c7
5 changed files with 64 additions and 76 deletions
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1
FunKey/board/funkey/genimage.cfg
View File

@ -45,6 +45,7 @@ image sdcard.img {
partition rootfs {
offset = 101M
partition-type = 0x83
bootable = "yes"
image = "rootfs.ext4"
size = 100M
}

13
FunKey/board/funkey/rootfs-overlay/etc/u-boot.env
View File

@ -1,17 +1,14 @@
alt_args_mmc=setenv bootargs console=ttyS0,115200 panic=5 rootwait fbcon=map:10 fbcon=font:VGA8x8 vt.global_cursor_default=0 root=/dev/mmcblk0p1 rootfstype=ext4 rootflags=commit=120,data=writeback,barrier=0,journal_async_commit rw quiet
alt_bootcmd=run alt_args_mmc; run alt_loadfdt; run alt_loadimage; bootz ${loadaddr} - ${fdtaddr}
alt_loadfdt=load mmc 0:1 ${fdtaddr} /boot/sun8i-v3s-funkey.dtb
alt_loadimage=load mmc 0:1 ${loadaddr} /boot/zImage
args_mmc=setenv bootargs console=ttyS0,115200 panic=5 rootwait fbcon=map:10 fbcon=font:VGA8x8 vt.global_cursor_default=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=120,data=writeback,barrier=0,journal_async_commit rw quiet
args_mmc=setenv bootargs console=ttyS0,115200 panic=5 rootwait fbcon=map:10 fbcon=font:VGA8x8 vt.global_cursor_default=0 root=/dev/mmcblk0p${bootpart} rootfstype=ext4 rootflags=commit=120,data=writeback,barrier=0,journal_async_commit rw quiet
baudrate=115200
bootcmd=run args_mmc; run loadfdt; run loadimage; bootz ${loadaddr} - ${fdtaddr}
bootcmd=run getbootpart; run args_mmc; run loadfdt; run loadimage; bootz ${loadaddr} - ${fdtaddr}
bootdelay=0
console=ttyS0,115200
fdt_high=0xffffffff
fdtaddr=0x41800000
getbootpart=part list mmc 0 -bootable bootpart
loadaddr=0x41000000
loadfdt=load mmc 0:2 ${fdtaddr} /boot/sun8i-v3s-funkey.dtb
loadimage=load mmc 0:2 ${loadaddr} /boot/zImage
loadfdt=load mmc 0:${bootpart} ${fdtaddr} /boot/sun8i-v3s-funkey.dtb
loadimage=load mmc 0:${bootpart} ${loadaddr} /boot/zImage
stderr=serial@01c28000
stdin=serial@01c28000
stdout=serial@01c28000

115
FunKey/board/funkey/rootfs-overlay/usr/local/sbin/first_boot
View File

@ -6,10 +6,16 @@
source /usr/local/lib/utils
SELF=$(basename $0)
# Find out the root partition number from the kernel command line
root_part=$(cat /proc/cmdline | sed -n 's|^.*root=/dev/\([^ ]*\).*|\1|p')
part_num=${root_part#mmcblk0p}
if [ "${part_num}" -eq 1 ]; then
root_part_num=${root_part#mmcblk0p}
if [ "${root_part_num}" -eq 1 ]; then
die 0 "recovery mode"
elif [ "${root_part_num}" = "{$root_part}" ]; then
die 1 "${root_part} is not an SD card partition, aborting"
elif [ "${root_part_num}" -ne 2 ]; then
die 2 "unknown partition layout, aborting"
fi
notif () {
@ -27,56 +33,47 @@ check_swap () {
}
check_root_id () {
[ $(id -u) -ne 0 ] && die 1 "this script must be run as root, aborting"
[ $(id -u) -ne 0 ] && die 3 "this script must be run as root, aborting"
return 0
}
resize_rootfs_partition () {
if [ "${part_num}" = "{$root_part}" ]; then
die 2 "${root_part} is not an SD card. Don't know how to expand it, aborting"
fi
if [ "${part_num}" -ne 2 ]; then
die 3 "your partition layout is not currently supported by this tool, aborting"
fi
local last_part_line=$(fdisk /dev/mmcblk0 -l | grep '^/' | tail -n 1)
# Check that the last partition is the rootfs partition
local last_part_line=$(sgdisk -p /dev/mmcblk0 | tail -n 1)
set ${last_part_line}
local last_part=${1#/dev/}
local part_start=${2}
if [ "${last_part}" != "${root_part}" ]; then
die 4 "${root_part} is not the last partition. Don't know how to expand, aborting"
local last_part=${1}
if [ "${last_part}" != "${root_part_num}" ]; then
die 4 "rootfs is not the last partition. Don't know how to expand, aborting"
fi
# Return value will likely be error for fdisk as it fails to reload the
# partition table because the root fs is mounted
# NOTE: This script only works the genuine fdisk, NOT with the busybox one!!!
fdisk /dev/mmcblk0 >/dev/null 2>&1 <<EOF
d
${part_num}
n
${part_num}
${part_start}
+1G
w
EOF
if [ $? -ne 0 ]; then
die 5 "cannot resize the rootfs partition, aborting"
fi
# Remove (temporarily) the rootfs partition
sgdisk -d ${root_part_num} /dev/mmcblk0 >/dev/null 2>&1 || die 5 "cannot remove the rootfs partition, aborting"
# Re-create the rootfs partition with a 1GB size
sgdisk -n ${root_part_num}:0:+1G -c ${root_part_num}:rootfs /dev/mmcblk0 >/dev/null 2>&1 || die 6 "cannot resize the rootfs partition, aborting"
# Mark the rootfs partition as bootable
sgdisk -A ${root_part_num}:set:2 /dev/mmcblk0 >/dev/null 2>&1 || die 7 "cannot make the rootfs partition bootable, aborting"
# Copy the primary GPT to the end of the disk
sgdisk -e /dev/mmcblk0 >/dev/null 2>&1 || die 8 "cannot move the GPT to the end of the disk"
sync
return 0
}
reload_partition_table () {
partprobe /dev/mmcblk0 >/dev/null 2>&1 || die 6 "cannot reload the partition table, aborting"
partprobe /dev/mmcblk0 >/dev/null 2>&1 || die 9 "cannot reload the partition table, aborting"
return 0
}
resize_rootfs_filesystem () {
resize2fs /dev/${root_part} >/dev/null 2>&1 || die 7 "cannot resize the root filesystem, aborting"
resize2fs /dev/${root_part} >/dev/null 2>&1 || die 10 "cannot resize the root filesystem, aborting"
return 0
}
write_bootloader_env () {
fw_saveenv /etc/u-boot.env || die 8 "cannot write bootloader inevrionment, aborting"
fw_saveenv /etc/u-boot.env || die 11 "cannot write bootloader inevrionment, aborting"
return 0
}
@ -85,20 +82,22 @@ create_swap_file () {
set ${root_part_line}
local space_left=${4}
if [ ${space_left} -lt 131072 ]; then
die 9 "not enough free space for swap file found, aborting"
die 12 "not enough free space for swap file found, aborting"
fi
# Create an empty 128MB /swap file, change its permissions and format it as swap
dd if=/dev/zero of=/swap bs=1M count=128 >/dev/null 2>&1 &&
chmod 0600 /swap >/dev/null 2>&1 &&
mkswap /swap >/dev/null 2>&1
if [ $? -ne 0 ]; then
rm /swap
die 10 "cannot create swap file, aborting"
die 13 "cannot create swap file, aborting"
fi
return 0
}
enable_swap_file () {
swapon -a >/dev/null 2>&1 || die 11 "cannot enable swap file, aborting"
swapon -a >/dev/null 2>&1 || die 14 "cannot enable swap file, aborting"
return 0
}
@ -106,37 +105,17 @@ create_backing_store_partition () {
mount | grep -q /dev/mmcblk0p3
if [ $? -ne 0 ]; then
# Find out the root partition number from kernel command line
if [ "$part_num" = "$root_part" ]; then
die 5 "$root_part is not an SD card. Don't know how to create the backing store partition"
fi
if [ "$part_num" -ne 2 ]; then
die 6 "your partition layout is not currently supported"
# Check that the last partition is the rootfs partition
local last_part_line=$(sgdisk -p /dev/mmcblk0 2>/dev/null | tail -n 1)
set ${last_part_line}
local last_part=${1}
if [ "$last_part" != "$root_part_num" ]; then
die 15 "rootfs is not the last partition. Don't know how to create the backing store partition"
fi
# Check that the last partition is the root partition
local last_part_line=$(fdisk /dev/mmcblk0 -l 2>/dev/null | grep '^/' | tail -n 1)
set $last_part_line
local last_part=${1#/dev/}
if [ "$last_part" != "$root_part" ]; then
die 7 "$root_part is not the last partition. Don't know how to create the backing store partition"
fi
# The return value will likely be error for fdisk as it fails
# to reload the partition table because the root fs is mounted
# NOTE: This script only works the genuine fdisk, NOT with the
# busybox one!!!
# Create a third FAT32 partition that filsl the disk
fdisk /dev/mmcblk0 >/dev/null 2>&1 <<EOF
n
3
t
3
11
w
EOF
# Create an additional Microsoft basic data partition share partition that fills the disk
let share_part=${last_part}+1
sgdisk -n ${share_part}:0:-0 -c ${share_part}:share -t ${share_part}:0700 /dev/mmcblk0 >/dev/null 2>&1 || die 16 "cannot create the backing store partition, aborting"
sync
fi
return 0
@ -145,12 +124,12 @@ EOF
format_backing_store_partition () {
# Format the backing store as FAT32
mkfs.vfat /dev/mmcblk0p3 >/dev/null 2>&1 || die 9 "cannot format the backing store partition"
mkfs.vfat /dev/mmcblk0p3 >/dev/null 2>&1 || die 17 "cannot format the backing store partition"
# Add file to force assembly tests
mount /mnt/ || die 9 "Cannot mount /mnt"
touch /mnt/.assembly_tests || die 9 "Cannot create assembly tests run file"
umount /mnt/ || die 9 "Cannot unmount /mnt"
mount /mnt/ || die 18 "Cannot mount /mnt"
#touch /mnt/.assembly_tests || die 19 "Cannot create assembly tests run file"
umount /mnt/ || die 20 "Cannot unmount /mnt"
return 0
}

8
FunKey/board/funkey/rootfs-overlay/usr/local/sbin/toggle_boot Executable file
View File

@ -0,0 +1,8 @@
#!/bin/sh
sgdisk -A 1:toggle:2 -A 2:toggle:2 /dev/mmcblk0 >/dev/null 2>&1
recovery=$(sgdisk -A 1:get:2 /dev/mmcblk0 | cut -d : -f3)
if [ ${recovery} -eq 1 ]; then
echo "Next boot will be in recovery mode"
else
echo "Next boot will be in normal mode"
fi

3
FunKey/configs/funkey_defconfig
View File

@ -58,6 +58,9 @@ BR2_PACKAGE_SDL_IMAGE_JPEG=y
BR2_PACKAGE_SDL_IMAGE_PNG=y
BR2_PACKAGE_SDL_SOUND=y
BR2_PACKAGE_SDL_SOUND_PLAYSOUND=y
BR2_PACKAGE_GPTFDISK=y
BR2_PACKAGE_GPTFDISK_GDISK=y
BR2_PACKAGE_GPTFDISK_SGDISK=y
BR2_PACKAGE_PARTED=y
BR2_PACKAGE_SYSSTAT=y
BR2_PACKAGE_UBOOT_TOOLS=y