f6d639f2bf
* Add squashfs with LZ4 and LZO compression to Barebox * Add squashfs with LZO compression to U-Boot * Use squashfs for Linux kernel partition Generate a squashfs image with LZO compression for the Linux kernel partition. Adjust the boot scripts to be file system independent commands to boot from squashfs.
85 lines
2.5 KiB
Plaintext
85 lines
2.5 KiB
Plaintext
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###########################################
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part start mmc ${devnum} 9 mmc_env
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mmc dev ${devnum}
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# Note that import is performed twice for backwards compatability.
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setenv loadbootstate " \
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echo 'loading env...'; \
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mmc read ${ramdisk_addr_r} ${mmc_env} 0x20; \
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env import -c ${ramdisk_addr_r} 0x4000;"
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setenv storebootstate " \
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echo 'storing env...'; \
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env export -c -s 0x4000 ${ramdisk_addr_r} BOOT_ORDER BOOT_A_LEFT BOOT_B_LEFT MACHINE_ID; \
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mmc write ${ramdisk_addr_r} ${mmc_env} 0x20;"
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run loadbootstate
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test -n "${BOOT_ORDER}" || setenv BOOT_ORDER "A B"
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test -n "${BOOT_A_LEFT}" || setenv BOOT_A_LEFT 3
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test -n "${BOOT_B_LEFT}" || setenv BOOT_B_LEFT 3
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# HassOS bootargs
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setenv bootargs_hassos "zram.enabled=1 zram.num_devices=3 apparmor=1 security=apparmor systemd.machine_id=${MACHINE_ID} cgroup_enable=memory fsck.repair=yes"
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# HassOS system A/B
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setenv bootargs_a "root=PARTUUID=48617373-06 rootfstype=squashfs ro rootwait"
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setenv bootargs_b "root=PARTUUID=48617373-08 rootfstype=squashfs ro rootwait"
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# Load extraargs
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fileenv mmc ${devnum}:1 ${ramdisk_addr_r} cmdline.txt cmdline
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fatload mmc ${devnum}:1 ${fdt_addr_r} exynos5422-odroidxu4.dtb
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fdt addr ${fdt_addr_r}
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# logical volumes get numbered after physical ones.
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# 1. boot
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# 2. Extended partition
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# 3. Overlay
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# 4. Data
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# 5. KernelA
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# 6. SystemA
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# 7. KernelB
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# 8. SystemB
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# 9. BootInfo
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setenv bootargs
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for BOOT_SLOT in "${BOOT_ORDER}"; do
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if test "x${bootargs}" != "x"; then
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# skip remaining slots
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elif test "x${BOOT_SLOT}" = "xA"; then
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if test ${BOOT_A_LEFT} -gt 0; then
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setexpr BOOT_A_LEFT ${BOOT_A_LEFT} - 1
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echo "Trying to boot slot A, ${BOOT_A_LEFT} attempts remaining. Loading kernel ..."
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if load mmc ${devnum}:5 ${kernel_addr_r} zImage; then
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setenv bootargs "${bootargs_hassos} ${bootargs_a} rauc.slot=A ${cmdline}"
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fi
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fi
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elif test "x${BOOT_SLOT}" = "xB"; then
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if test ${BOOT_B_LEFT} -gt 0; then
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setexpr BOOT_B_LEFT ${BOOT_B_LEFT} - 1
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echo "Trying to boot slot B, ${BOOT_B_LEFT} attempts remaining. Loading kernel ..."
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if load mmc ${devnum}:7 ${kernel_addr_r} zImage; then
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setenv bootargs "${bootargs_hassos} ${bootargs_b} rauc.slot=B ${cmdline}"
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fi
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fi
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fi
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done
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if test -n "${bootargs}"; then
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run storebootstate
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else
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echo "No valid slot found, resetting tries to 3"
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setenv BOOT_A_LEFT 3
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setenv BOOT_B_LEFT 3
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run storebootstate
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reset
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fi
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printenv bootargs
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echo "Starting kernel"
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bootz ${kernel_addr_r} - ${fdt_addr_r}
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echo "Boot failed, resetting..."
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reset
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