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loadable libraries and smart-amp-test as an example #8180

Merged
merged 9 commits into from
Mar 8, 2024
Merged

loadable libraries and smart-amp-test as an example #8180

merged 9 commits into from
Mar 8, 2024

Commits on Mar 6, 2024

  1. lib-manager: add support for llext 

    Add support for loadable modules, built for dynamic linking with
Zephyr's LLEXT API.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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  2. lib-manager: migrate to module adapter context 

    lib-manager is module-adapter specific, it doesn't need the component
API and shouldn't use struct comp_driver in function arguments.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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  3. module-adapter: add Zephyr extension context 

    Module adapter drivers can be loaded and unloaded, using the Zephyr
loadable extension API. Add its context to struct struct module_data.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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  4. lib-manager: fix a wrongly named .desc pointer 

    Pointers that we store in a global array for each loaded library,
aren't really firmware manifest descriptor pointers, they're pointers
to storage buffers, where entire libraries are stored. A
SOF_MAN_ELF_TEXT_OFFSET offset has to be added to that address to get
to the manifest descriptor.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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  5. module: (cosmetic) regroup some declarations and assignments 

    Regroup code in modules_init() to move declarations and assignments
closer to where they're needed.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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  6. lib-manager: use an appropriate type for a pointer integer 

    lib_manager_allocate_module() returns a pointer as an integer, use
uintptr_t for it.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
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  7. modules: split modules_init() into two parts 

    The first part modules_new() is only needed when a new module is
registered, the rest is needed every time a module is instantiated.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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  8. modules: don't re-load on each restart 

    While modules are in use, no need to unload and re-load them,
re-initialising audio interfaces is enough. With llext modules this
uses the LLEXT reference counting to identify when a module should be
unloaded.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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  9. smart-amp-test: make a loadable module 

    Convert the smart-amp-test in its IPC4 version to a loadable LLEXT
module. Use an overlay configuration to select between monolithic and
modular builds.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
    @lyakh
    lyakh committed Mar 6, 2024
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