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modules/MCUboot: Add overwrite mode for MCUboot

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Add MCUBOOT_BOOTLOADER_MODE_OVERWRITE_ONLY mode.

Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
This commit is contained in:
Dominik Ermel 2023-09-28 11:39:32 +00:00 • committed by Carles Cufí
commit 5d28fdea63
1 changed files with 12 additions and 0 deletions
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12
modules/Kconfig.mcuboot
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@ -175,6 +175,18 @@ config MCUBOOT_BOOTLOADER_MODE_SWAP_SCRATCH
MCUBOOT_BOOTLOADER_NO_DOWNGRADE should also be selected
if MCUboot has been built with MCUBOOT_DOWNGRADE_PREVENTION.
config MCUBOOT_BOOTLOADER_MODE_OVERWRITE_ONLY
bool "MCUboot has been configured to just overwrite primary slot"
select MCUBOOT_BOOTLOADER_MODE_HAS_NO_DOWNGRADE
help
MCUboot will take contents of secondary slot of an image and will
overwrite primary slot with it.
In this mode it is not possible to revert back to previous version
as it is not stored in the secondary slot.
This mode supports MCUBOOT_BOOTLOADER_NO_DOWNGRADE which means
that the overwrite will not happen unless the version of secondary
slot is higher than the version in primary slot.
config MCUBOOT_BOOTLOADER_MODE_DIRECT_XIP
bool "MCUboot has been configured for DirectXIP operation"
select MCUBOOT_BOOTLOADER_MODE_HAS_NO_DOWNGRADE