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zephyr: make images loaded by MCUboot enable arch core HW regs init

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Instruct Zephyr images that are loaded by MCUboot to
force the initialization of architecture core HW registers,
if the architecture supports the functionality.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This commit is contained in:
Ioannis Glaropoulos 2020-10-21 15:56:38 +02:00
commit 071ab4a6d5
1 changed files with 6 additions and 0 deletions
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6
Kconfig.zephyr
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@ -384,6 +384,7 @@ config BOOTLOADER_SRAM_SIZE
config BOOTLOADER_MCUBOOT config BOOTLOADER_MCUBOOT
bool "MCUboot bootloader support" bool "MCUboot bootloader support"
select USE_DT_CODE_PARTITION select USE_DT_CODE_PARTITION
imply INIT_ARCH_HW_AT_BOOT if ARCH_SUPPORTS_ARCH_HW_INIT
help help
This option signifies that the target uses MCUboot as a bootloader, This option signifies that the target uses MCUboot as a bootloader,
or in other words that the image is to be chain-loaded by MCUboot. or in other words that the image is to be chain-loaded by MCUboot.
@ -397,6 +398,11 @@ config BOOTLOADER_MCUBOOT
(or Armv8-M baseline) targets with no built-in vector relocation (or Armv8-M baseline) targets with no built-in vector relocation
mechanisms mechanisms
By default, this option instructs Zephyr to initialize the core
architecture HW registers during boot, when this is supported by
the application. This removes the need by MCUboot to reset
the core registers' state itself.
if BOOTLOADER_MCUBOOT if BOOTLOADER_MCUBOOT
config MCUBOOT_SIGNATURE_KEY_FILE config MCUBOOT_SIGNATURE_KEY_FILE