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toolchain: arcmwdt: override unsuitable default implementations #94578

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Merged
merged 1 commit into from
Sep 1, 2025
Merged

toolchain: arcmwdt: override unsuitable default implementations #94578

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7 changes: 6 additions & 1 deletion cmake/compiler/arcmwdt/target.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
find_program(CMAKE_C_COMPILER ${CROSS_COMPILE}ccac PATHS ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
find_program(CMAKE_CXX_COMPILER ${CROSS_COMPILE}ccac PATHS ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
find_program(CMAKE_ASM_COMPILER ${CROSS_COMPILE}ccac PATHS ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)

# The CMAKE_REQUIRED_FLAGS variable is used by check_c_compiler_flag()
# (and other commands which end up calling check_c_source_compiles())
# to add additional compiler flags used during checking. These flags
Expand Down Expand Up @@ -37,7 +38,7 @@ set(LLEXT_REMOVE_FLAGS
# (check_c_compiler_flag function which we wrap with target_cc_option in extensions.cmake)
# we rely on default MWDT header locations and don't manually specify headers directories.

# common compile options, no copyright msg, little-endian, no small data,
# Common compile options: no copyright message, little-endian, no small data,
# no MWDT stack checking
list(APPEND TOOLCHAIN_C_FLAGS -Hnocopyr -HL -Hnosdata)

Expand All @@ -58,3 +59,7 @@ endif()
if(CONFIG_RISCV)
list(APPEND TOOLCHAIN_C_FLAGS -D__MW_ASM_RV_MACRO__)
endif()

# The MWDT compiler doesn't need to pass any properties to the linker as for now
function(compiler_set_linker_properties)
endfunction()
7 changes: 7 additions & 0 deletions cmake/linker/arcmwdt/target.cmake
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Expand Up @@ -168,3 +168,10 @@ macro(toolchain_ld_relocation)
${ZEPHYR_BASE}/kernel/include ${ARCH_DIR}/${ARCH}/include)
target_link_libraries(code_relocation_source_lib zephyr_interface)
endmacro()

# Function to map compiler flags into suitable linker flags
# When using the compiler driver to run the linker, just pass
# them all through
function(toolchain_linker_add_compiler_options)
add_link_options(${ARGV})
endfunction()