57 lines
1.7 KiB
Bash
57 lines
1.7 KiB
Bash
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 rootwait cgroup_enable=memory"
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# HassOS system A/B
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setenv bootargs_a "root=PARTUUID=8d3d53e3-6d49-4c38-8349-aff6859e82fd rootfstype=squashfs ro"
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setenv bootargs_b "root=PARTUUID=a3ec664e-32ce-4665-95ea-7ae90ce9aa20 rootfstype=squashfs ro"
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# Preserve origin bootargs
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setenv bootargs_rpi
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setenv fdt_org ${fdt_addr}
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fdt addr ${fdt_org}
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fdt get value bootargs_rpi /chosen bootargs
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setenv bootargs
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for BOOT_SLOT in "${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 "Found valid slot A, ${BOOT_A_LEFT} attempts remaining"
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setenv load_kernel "ext4load mmc 0:2 ${kernel_addr_r} Image"
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setenv bootargs "${bootargs_hassos} ${bootargs_rpi} ${bootargs_a} rauc.slot=A"
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fi
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elif test "x${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 "Found valid slot B, ${BOOT_B_LEFT} attempts remaining"
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setenv load_kernel "ext4load mmc 0:4 ${kernel_addr_r} Image"
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setenv bootargs "${bootargs_hassos} ${bootargs_rpi} ${bootargs_b} rauc.slot=B"
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fi
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fi
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done
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setenv fdt_addr
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if test -n "${bootargs}"; then
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saveenv
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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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saveenv
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reset
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fi
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echo "Loading kernel"
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run load_kernel
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echo " Starting kernel"
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booti ${kernel_addr_r} - ${fdt_org}
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echo "Fails on boot"
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reset
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