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[nrf fromlist]: cmake: tf-m: create tfm_api dependency on tfm_s.hex #1866

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Jun 27, 2024
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[nrf fromlist]: cmake: tf-m: create tfm_api dependency on tfm_s.hex #1866

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7 changes: 7 additions & 0 deletions modules/trusted-firmware-m/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -321,6 +321,13 @@ if (CONFIG_BUILD_WITH_TFM)
interface/interface.c
)

# A dependency on tfm_s.hex for zephyr.elf will not cause a Zephyr re-link when
# tfm_s.hex is updated, as the hex is not a direct input on the executable.
# Instead we establish a source file dependency which ensures that tfm_api is
# updated when there are changes in tfm itself, this again will trigger an re-link
# of Zephyr.elf.
set_property(SOURCE interface/interface.c APPEND PROPERTY OBJECT_DEPENDS ${TFM_S_HEX_FILE})

# Non-Secure interface to request system reboot
if (CONFIG_TFM_PARTITION_PLATFORM AND NOT CONFIG_TFM_PARTITION_PLATFORM_CUSTOM_REBOOT)
zephyr_library_sources(src/reboot.c)
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