About wojciii

wojciii · 2022-09-06

The reason that I'm doing this is because I want to sign the mcuboot bootloader used by TF-M. (https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/platform/ext/target/stm/b_u585i_iot02a/include/flash_layout.h).The flash layout looks like...

wojciii · 2022-09-14

Forget about TFM_FLASH_BASE_ADDRESS. :)The important part is setting FLASH_LOAD_OFFSET in the Zephyr board definition. Increasing it will move the Zephyr unsecure partition up and hopefully resolve any clashes with the secure partition when merging t...

wojciii · 2022-09-13

I'm using Zephyr with the TF-M implementation there. Is this something you support?Doing what you suggest doesn't work - merging of the hex images fails as (because overlapping addresses) - therefore TFM_FLASH_BASE_ADDRESS needs to be changed.

wojciii · 2022-09-13

Also, I wonder what TFM_FLASH_BASE_ADDRESS should be set to in board.cmake. I would like to move the whole image by for example 64 KiB from the start of flash.if (CONFIG_HAS_FLASH_LOAD_OFFSET) MATH(EXPR TFM_HEX_BASE_ADDRESS_NS "${TFM_FLASH_BASE_AD...

wojciii · 2022-09-13

I would like to be able to update everything in this product and therefore I would like to sign the second stage bootloader. The immutable first stage bootloader also does some recovery in case the next stage gets corrupted.Have you tried looking at ...

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I'm trying to modify the flash layout used for b_u585i_iot2a in TF-M. Please see the details below.

Re: I'm trying to modify the flash layout used for b_u585i_iot2a in TF-M. Please see the details below.

Re: I'm trying to modify the flash layout used for b_u585i_iot2a in TF-M. Please see the details below.

Re: I'm trying to modify the flash layout used for b_u585i_iot2a in TF-M. Please see the details below.

Re: I'm trying to modify the flash layout used for b_u585i_iot2a in TF-M. Please see the details below.