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fwup.conf
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fwup.conf
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# Firmware configuration file for the MangoPi MQ Pro
require-fwup-version="1.0.0"
include("${NERVES_SDK_IMAGES:-.}/fwup_include/fwup-common.conf")
# File resources are listed in the order that they are included in the .fw file
# This is important, since this is the order that they're written on a firmware
# update due to the event driven nature of the update system.
file-resource u-boot-sunxi-with-spl.bin {
host-path = "${NERVES_SYSTEM}/images/u-boot-sunxi-with-spl.bin"
}
file-resource uboot-env.bin {
host-path = "${NERVES_SYSTEM}/images/uboot-env.bin"
}
file-resource rootfs.img {
host-path = ${ROOTFS}
# Error out if the rootfs size exceeds the partition size
assert-size-lte = ${ROOTFS_A_PART_COUNT}
}
mbr mbr {
# No partition 0
partition 1 {
block-offset = ${ROOTFS_A_PART_OFFSET}
block-count = ${ROOTFS_A_PART_COUNT}
type = 0x83 # Linux
}
partition 2 {
block-offset = ${ROOTFS_B_PART_OFFSET}
block-count = ${ROOTFS_B_PART_COUNT}
type = 0x83 # Linux
}
partition 3 {
block-offset = ${APP_PART_OFFSET}
block-count = ${APP_PART_COUNT}
type = 0x83 # Linux
expand = true
}
}
# Location where installed firmware information is stored.
uboot-environment uboot-env {
block-offset = ${UBOOT_ENV_OFFSET}
block-count = ${UBOOT_ENV_COUNT}
}
# This firmware task writes everything to the destination media.
# This should only be run at the factory to initialize a board!
task complete {
# Only match if not mounted
require-unmounted-destination = true
on-init {
mbr_write(mbr)
}
on-resource u-boot-sunxi-with-spl.bin { raw_write(${UBOOT_OFFSET}) }
on-resource uboot-env.bin {
# Boot to the A partition first and don't fail back.
# If this fails, we bricked the board with no recovery.
raw_write(${UBOOT_ENV_OFFSET})
# Include provisioning instructions
include("${NERVES_PROVISIONING}")
# Add in the generic Nerves metadata variables.
uboot_setenv(uboot-env, "nerves_fw_active", "a")
uboot_setenv(uboot-env, "nerves_fw_devpath", ${NERVES_FW_DEVPATH})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_devpath", ${NERVES_FW_APPLICATION_PART0_DEVPATH})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_fstype", ${NERVES_FW_APPLICATION_PART0_FSTYPE})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_target", ${NERVES_FW_APPLICATION_PART0_TARGET})
uboot_setenv(uboot-env, "a.nerves_fw_product", ${NERVES_FW_PRODUCT})
uboot_setenv(uboot-env, "a.nerves_fw_description", ${NERVES_FW_DESCRIPTION})
uboot_setenv(uboot-env, "a.nerves_fw_version", ${NERVES_FW_VERSION})
uboot_setenv(uboot-env, "a.nerves_fw_platform", ${NERVES_FW_PLATFORM})
uboot_setenv(uboot-env, "a.nerves_fw_architecture", ${NERVES_FW_ARCHITECTURE})
uboot_setenv(uboot-env, "a.nerves_fw_author", ${NERVES_FW_AUTHOR})
uboot_setenv(uboot-env, "a.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
uboot_setenv(uboot-env, "a.nerves_fw_misc", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
}
on-resource rootfs.img {
# write to the first rootfs partition
raw_write(${ROOTFS_A_PART_OFFSET})
}
on-finish {
# Clear out any old data in the B partition that might be mistaken for
# a file system. This is mostly to avoid confusion in humans when
# reprogramming SDCards with unknown contents.
raw_memset(${ROOTFS_B_PART_OFFSET}, 256, 0xff)
# Invalidate the application data partition so that it is guaranteed to
# trigger the corrupt filesystem detection code on first boot and get
# formatted. If this isn't done and an old SDCard is reused, the
# application data could be in a weird state.
raw_memset(${APP_PART_OFFSET}, 256, 0xff)
}
}
task upgrade.a {
# This task upgrades the A partition
require-uboot-variable(uboot-env, "nerves_fw_active", "b")
# Require that the running version of firmware has been validated.
# If it has not, then failing back is not guaranteed to work.
require-uboot-variable(uboot-env, "nerves_fw_validated", "1")
# Verify the expected platform/architecture
require-uboot-variable(uboot-env, "b.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "b.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
info("Upgrading partition A")
# Clear some firmware information just in case this update gets
# interrupted midway. If this partition was bootable, it's not going to
# be soon.
uboot_unsetenv(uboot-env, "a.nerves_fw_version")
uboot_unsetenv(uboot-env, "a.nerves_fw_platform")
uboot_unsetenv(uboot-env, "a.nerves_fw_architecture")
uboot_unsetenv(uboot-env, "a.nerves_fw_uuid")
# Indicate that the entire partition can be cleared
trim(${ROOTFS_A_PART_OFFSET}, ${ROOTFS_A_PART_COUNT})
}
# TODO: The device tree is stored in the u-boot.toc1 so update
# it on upgrades even though it would be better not to do this.
on-resource u-boot-sunxi-with-spl.bin { raw_write(${UBOOT_OFFSET}) }
on-resource rootfs.img {
delta-source-raw-offset=${ROOTFS_B_PART_OFFSET}
delta-source-raw-count=${ROOTFS_B_PART_COUNT}
raw_write(${ROOTFS_A_PART_OFFSET})
}
on-finish {
# Update firmware metadata
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_devpath", ${NERVES_FW_APPLICATION_PART0_DEVPATH})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_fstype", ${NERVES_FW_APPLICATION_PART0_FSTYPE})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_target", ${NERVES_FW_APPLICATION_PART0_TARGET})
uboot_setenv(uboot-env, "a.nerves_fw_product", ${NERVES_FW_PRODUCT})
uboot_setenv(uboot-env, "a.nerves_fw_description", ${NERVES_FW_DESCRIPTION})
uboot_setenv(uboot-env, "a.nerves_fw_version", ${NERVES_FW_VERSION})
uboot_setenv(uboot-env, "a.nerves_fw_platform", ${NERVES_FW_PLATFORM})
uboot_setenv(uboot-env, "a.nerves_fw_architecture", ${NERVES_FW_ARCHITECTURE})
uboot_setenv(uboot-env, "a.nerves_fw_author", ${NERVES_FW_AUTHOR})
uboot_setenv(uboot-env, "a.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
uboot_setenv(uboot-env, "a.nerves_fw_misc", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
# Reset the validation status and boot to A
# next time.
uboot_setenv(uboot-env, "nerves_fw_active", "a")
uboot_setenv(uboot-env, "nerves_fw_validated", "0")
uboot_setenv(uboot-env, "nerves_fw_booted", "0")
}
on-error {
}
}
task upgrade.b {
# This task upgrades the B partition
require-uboot-variable(uboot-env, "nerves_fw_active", "a")
require-uboot-variable(uboot-env, "nerves_fw_validated", "1")
# Verify the expected platform/architecture
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "a.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
info("Upgrading partition B")
# Clear some firmware information just in case this update gets
# interrupted midway.
uboot_unsetenv(uboot-env, "b.nerves_fw_version")
uboot_unsetenv(uboot-env, "b.nerves_fw_platform")
uboot_unsetenv(uboot-env, "b.nerves_fw_architecture")
uboot_unsetenv(uboot-env, "b.nerves_fw_uuid")
trim(${ROOTFS_B_PART_OFFSET}, ${ROOTFS_B_PART_COUNT})
}
# TODO: The device tree is stored in the u-boot.toc1 so update
# it on upgrades even though it would be better not to do this.
on-resource u-boot-sunxi-with-spl.bin { raw_write(${UBOOT_OFFSET}) }
on-resource rootfs.img {
delta-source-raw-offset=${ROOTFS_A_PART_OFFSET}
delta-source-raw-count=${ROOTFS_A_PART_COUNT}
raw_write(${ROOTFS_B_PART_OFFSET})
}
on-finish {
# Update firmware metadata
uboot_setenv(uboot-env, "b.nerves_fw_application_part0_devpath", ${NERVES_FW_APPLICATION_PART0_DEVPATH})
uboot_setenv(uboot-env, "b.nerves_fw_application_part0_fstype", ${NERVES_FW_APPLICATION_PART0_FSTYPE})
uboot_setenv(uboot-env, "b.nerves_fw_application_part0_target", ${NERVES_FW_APPLICATION_PART0_TARGET})
uboot_setenv(uboot-env, "b.nerves_fw_product", ${NERVES_FW_PRODUCT})
uboot_setenv(uboot-env, "b.nerves_fw_description", ${NERVES_FW_DESCRIPTION})
uboot_setenv(uboot-env, "b.nerves_fw_version", ${NERVES_FW_VERSION})
uboot_setenv(uboot-env, "b.nerves_fw_platform", ${NERVES_FW_PLATFORM})
uboot_setenv(uboot-env, "b.nerves_fw_architecture", ${NERVES_FW_ARCHITECTURE})
uboot_setenv(uboot-env, "b.nerves_fw_author", ${NERVES_FW_AUTHOR})
uboot_setenv(uboot-env, "b.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
uboot_setenv(uboot-env, "b.nerves_fw_misc", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "b.nerves_fw_uuid", "\${FWUP_META_UUID}")
# Reset the validation status and boot to B next time.
uboot_setenv(uboot-env, "nerves_fw_active", "b")
uboot_setenv(uboot-env, "nerves_fw_validated", "0")
uboot_setenv(uboot-env, "nerves_fw_booted", "0")
}
on-error {
}
}
task upgrade.unvalidated {
require-uboot-variable(uboot-env, "nerves_fw_validated", "0")
on-init {
error("Please validate the running firmware before upgrading it again.")
}
}
task upgrade.unexpected {
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "a.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
error("Please check the media being upgraded. It doesn't look like either the A or B partitions are active.")
}
}
task upgrade.wrongplatform {
on-init {
error("Expecting platform=${NERVES_FW_PLATFORM} and architecture=${NERVES_FW_ARCHITECTURE}")
}
}
task provision {
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "a.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
include("${NERVES_PROVISIONING}")
}
}
task provision.wrongplatform {
on-init {
error("Expecting platform=${NERVES_FW_PLATFORM} and architecture=${NERVES_FW_ARCHITECTURE}")
}
}