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llext: Fix wrong literals placement in modules #10243

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Merged
lgirdwood merged 1 commit into from
Sep 17, 2025
Merged

llext: Fix wrong literals placement in modules #10243

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8 changes: 8 additions & 0 deletions zephyr/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,14 @@ function(sof_llext_build module)
file(WRITE ${PROJECT_BINARY_DIR}/${module}_llext/lib_name.txt ${SOF_LLEXT_LIB})
endif()

if("${ARCH}" STREQUAL "xtensa")
# This makes sure literals are placed in memory before they are used by
# the L32R instruction. Usually this is guaranteed by the linker script.
# However, since a linker script is not used for LLEXT modules builds,
# correct literal placement is ensured with a compilation option here.
set(SOF_LLEXT_CFLAGS ${SOF_LLEXT_CFLAGS} -mtext-section-literals)
endif()

target_include_directories(${module}_llext_lib PRIVATE
"${SOF_BASE}/xtos/include"
"${SOF_BASE}/src/include"
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