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# threadx_riscv_port.cmake
#
# Helper function shared by the three RISC-V port CMakeLists files
# (risc-v32/gnu, risc-v32/clang, risc-v64/gnu).
#
# Usage:
# include(cmake/threadx_riscv_port.cmake)
# threadx_add_riscv_port(SRC_DIR <path-to-src>
# INC_DIR <path-to-inc>
# [EXAMPLE_DIR <path-to-example-build>])
#
# SRC_DIR — directory containing the 8 ThreadX .S port files.
# INC_DIR — directory containing tx_port.h (added as PUBLIC include).
# EXAMPLE_DIR — optional: if provided and contains a CMakeLists.txt,
# add_subdirectory() is called on it.
function(threadx_add_riscv_port)
cmake_parse_arguments(RISCV "" "SRC_DIR;INC_DIR;EXAMPLE_DIR" "" ${ARGN})
if(NOT RISCV_SRC_DIR)
message(FATAL_ERROR "threadx_add_riscv_port: SRC_DIR is required")
endif()
if(NOT RISCV_INC_DIR)
message(FATAL_ERROR "threadx_add_riscv_port: INC_DIR is required")
endif()
target_sources(${PROJECT_NAME}
PRIVATE
# {{BEGIN_TARGET_SOURCES}}
${RISCV_SRC_DIR}/tx_initialize_low_level.S
${RISCV_SRC_DIR}/tx_thread_context_restore.S
${RISCV_SRC_DIR}/tx_thread_context_save.S
${RISCV_SRC_DIR}/tx_thread_interrupt_control.S
${RISCV_SRC_DIR}/tx_thread_schedule.S
${RISCV_SRC_DIR}/tx_thread_stack_build.S
${RISCV_SRC_DIR}/tx_thread_system_return.S
${RISCV_SRC_DIR}/tx_timer_interrupt.S
# {{END_TARGET_SOURCES}}
)
target_include_directories(${PROJECT_NAME}
PUBLIC
${RISCV_INC_DIR}
)
if(RISCV_EXAMPLE_DIR AND
EXISTS ${RISCV_EXAMPLE_DIR}/CMakeLists.txt)
add_subdirectory(${RISCV_EXAMPLE_DIR})
endif()
endfunction()
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