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  • Case ID: 335092
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Cannot override some values in overlay-bt_hci_ipc.overlay using sysbuild such as CONFIG_HEAP_MEM_POOL_SIZE when building ipc_radio binary

dstarling

When building ipc_radio under sysbuild, the order of the processing of the config files do not seem to allow me to override these values:

CONFIG_HEAP_MEM_POOL_SIZE=8192
CONFIG_MAIN_STACK_SIZE=2048
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
According to the build log this is the order of the config files:
Parsing C:/Users/david/ncs/v2.7.0/nrf/applications/ipc_radio/Kconfig
Loaded configuration 'C:/Clients/Client/Gen2/fw/boards/client/client_g2/client_g2_nrf5340_cpunet_defconfig'
Merged configuration 'C:/Clients/Client/Gen2/fw/gc_central/sysbuild/ipc_radio/prj.conf'
Merged configuration 'C:/Clients/Client/Gen2/fw/gc_central/sysbuild/ipc_radio/overlay-client.conf'
Merged configuration 'C:/Users/david/ncs/v2.7.0/nrf/applications/ipc_radio/overlay-bt_hci_ipc.conf'
Merged configuration 'C:/Clients/Client/Gen2/fw/gc_central/build/ipc_radio/zephyr/.config.sysbuild'
Configuration saved to 'C:/Clients/Client/Gen2/fw/gc_central/build/ipc_radio/zephyr/.config'
I also tried to add an extra config above "overlay-client.conf", but it still gets overriden with the above values in "overlay-bt_hci_ipc.conf"
I am trying to reduce the HEAP size to recover memory for other features, but so far this does not work, any suggestions?
Either those values should not be in "overlay-bt_hci_ipc.conf", or the order of the config files is incorrect?
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  • 0

    Hi, 

    How do you build the project?

    I build with this command:

    (v2.7.0) C:\ncs\v2.7.0\zephyr\samples\bluetooth\hci_ipc> west build -p -b nrf5340dk_nrf5340_cpunet -d build_nrf5340dk_nrf5340_cpunet --sysbuild -- -DOVERLAY_CONFIG=overlay-client.conf

    and see the "overlay-client.conf" is sourced in the build log.

    I can see it take effect in the .config under build\hci_ipc\zephyr

    Regards,
    Amanda H.

  • 0 in reply to Amanda Hsieh

    I'm using system build and building ipc_radio instead of hci_ipc, I think the scripts are quite different than the previous child_images that were used.

    I already posted the order that I get and the fact that the settings that I desire to override are overwritten by the settings in overlay-bt-hci_ipc.conf keep me from changing the settings for these 3 memory related settings.

    For reference here is the redacted build command:

    west build --build-dir c:/Clients/Client/Gen2/fw/build c:/Clients/Client/Gen2/fw/ --pristine --board [email protected]/nrf5340/cpuapp --sysbuild -- -DNCS_TOOLCHAIN_VERSION="NONE" -DPM_STATIC_YML_FILE="pm_static_dfu.yml" -DSB_CONF_FILE="sysbuild.conf" 

    NOTE the --sysbuild

  • 0 in reply to Amanda Hsieh

    Sorry for the confusion, but I am building both an app and and a network binary for a custom board.  The ipc_radio is just for the network core.

    As for the second recommendation, I am not adding overlay-bt-hci_ipc.conf, the sysbuild scripts are adding it to the build, 

    I'll check out adding the overlay-client.conf, but if it does not get processed last, then the default values will still be overridden as shown in the original log, correct?

  • 0 in reply to dstarling
    dstarling said:
    As for the second recommendation, I am not adding overlay-bt-hci_ipc.conf, the sysbuild scripts are adding it to the build, 

    Sounds like you are building the ipc_radio as the sub-image. If so, you can create a sysbuild/ipc_radio/prj.conf to update the value as in this example. 

  • 0 in reply to Amanda Hsieh

    That is what I did originally, you can see it in the  original log above:

    /sysbuild/ipc_radio/prj.conf'

    But the values in overlay-bt_hci_ipc.conf override the values in sysbuild/ipc_radio/prj.conf so that is why I filed this case since that does not work for the case of the config value CONFIG_HEAP_MEM_POOL_SIZE.

  • 0 in reply to dstarling

    Could you provide the project? If it's sensitive, I can turn this case private to just share the case with us, Nordic. 

  • +1 in reply to Amanda Hsieh

    During trying to test this with a simple example, the configuration worked as expected, so I explored my configuration a bit more.

    It appears setting this value:

    config NETCORE_IPC_RADIO_BT_HCI_IPC
   default y

     
    in Kconfig.sysbuild is forcing the inclusion of the config file: overlay-bt_hci_ipc.conf 
    removing this now builds the ipc_radio application as expected using my configuration.
     
    Perhaps this will help someone else that has the same issue.
    I consider this issue closed.
     
    Thanks
Reply
  • +1 in reply to Amanda Hsieh

    During trying to test this with a simple example, the configuration worked as expected, so I explored my configuration a bit more.

    It appears setting this value:

    config NETCORE_IPC_RADIO_BT_HCI_IPC
   default y

     
    in Kconfig.sysbuild is forcing the inclusion of the config file: overlay-bt_hci_ipc.conf 
    removing this now builds the ipc_radio application as expected using my configuration.
     
    Perhaps this will help someone else that has the same issue.
    I consider this issue closed.
     
    Thanks
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