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sysbuild: mcuboot: Add support for swap using offset mode

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Adds a new Kconfig to allow selecting this newly introduced MCUboot
swapping algorithm

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
This commit is contained in:
Jamie McCrae 2025-01-13 10:53:45 +00:00 • committed by Benjamin Cabé
commit 29217b48a5
3 changed files with 13 additions and 0 deletions
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3
share/sysbuild/image_configurations/BOOTLOADER_image_default.cmake
View file

@ -6,6 +6,7 @@
# on Zephyr MCUboot / bootloader image.
set(bootmodes CONFIG_SINGLE_APPLICATION_SLOT
CONFIG_BOOT_SWAP_USING_OFFSET
CONFIG_BOOT_SWAP_USING_SCRATCH
CONFIG_BOOT_UPGRADE_ONLY
CONFIG_BOOT_SWAP_USING_MOVE
@ -15,6 +16,8 @@ set(bootmodes CONFIG_SINGLE_APPLICATION_SLOT
if(SB_CONFIG_MCUBOOT_MODE_SINGLE_APP)
set(bootmode CONFIG_SINGLE_APPLICATION_SLOT)
elseif(SB_CONFIG_MCUBOOT_MODE_SWAP_USING_OFFSET)
set(bootmode CONFIG_BOOT_SWAP_USING_OFFSET)
elseif(SB_CONFIG_MCUBOOT_MODE_SWAP_WITHOUT_SCRATCH OR SB_CONFIG_MCUBOOT_MODE_SWAP_USING_MOVE)
set(bootmode CONFIG_BOOT_SWAP_USING_MOVE)
elseif(SB_CONFIG_MCUBOOT_MODE_SWAP_SCRATCH)

2
share/sysbuild/image_configurations/MAIN_image_default.cmake
View file

@ -22,6 +22,8 @@ if(SB_CONFIG_BOOTLOADER_MCUBOOT)
if(SB_CONFIG_MCUBOOT_MODE_SINGLE_APP)
set_config_bool(${ZCMAKE_APPLICATION} CONFIG_MCUBOOT_BOOTLOADER_MODE_SINGLE_APP y)
elseif(SB_CONFIG_MCUBOOT_MODE_SWAP_USING_OFFSET)
set_config_bool(${ZCMAKE_APPLICATION} CONFIG_MCUBOOT_BOOTLOADER_MODE_SWAP_USING_OFFSET y)
elseif(SB_CONFIG_MCUBOOT_MODE_SWAP_WITHOUT_SCRATCH OR SB_CONFIG_MCUBOOT_MODE_SWAP_USING_MOVE)
set_config_bool(${ZCMAKE_APPLICATION} CONFIG_MCUBOOT_BOOTLOADER_MODE_SWAP_USING_MOVE y)
elseif(SB_CONFIG_MCUBOOT_MODE_SWAP_SCRATCH)

8
share/sysbuild/images/bootloader/Kconfig
View file

@ -43,6 +43,14 @@ config MCUBOOT_MODE_SINGLE_APP
slots. In this mode application is not able to DFU its own update to secondary slot and
all updates need to be performed using MCUboot serial recovery.
config MCUBOOT_MODE_SWAP_USING_OFFSET
bool "Swap using offset"
select EXPERIMENTAL
help
MCUboot expects slot0_partition and slot1_partition to be present in DT and application
will boot from slot0_partition. MCUBOOT_BOOTLOADER_NO_DOWNGRADE should also be selected
in main application if MCUboot has been built with MCUBOOT_DOWNGRADE_PREVENTION.
config MCUBOOT_MODE_SWAP_USING_MOVE
bool "Swap using move"
help