clang work with imxrt tested with metro rt1011 and rt1060 evk. Don't use startfiles for imxrt
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@@ -224,3 +224,19 @@ uint32_t board_millis(void) {
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return system_ticks;
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return system_ticks;
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}
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}
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#endif
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#endif
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// Implement _start() since we use linker flag '-nostartfiles'.
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// Requires defined __STARTUP_CLEAR_BSS,
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extern int main(void);
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TU_ATTR_UNUSED void _start(void) {
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// called by startup code
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main();
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while (1) {}
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}
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#ifdef __clang__
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void _exit (int __status) {
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while (1) {}
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}
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#endif
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@@ -1,9 +1,5 @@
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include_guard()
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include_guard()
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if (NOT BOARD)
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message(FATAL_ERROR "BOARD not specified")
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endif ()
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set(SDK_DIR ${TOP}/hw/mcu/nxp/mcux-sdk)
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set(SDK_DIR ${TOP}/hw/mcu/nxp/mcux-sdk)
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set(CMSIS_DIR ${TOP}/lib/CMSIS_5)
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set(CMSIS_DIR ${TOP}/lib/CMSIS_5)
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@@ -26,7 +22,21 @@ function(add_board_target BOARD_TARGET)
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return()
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return()
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endif ()
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endif ()
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# LD_FILE and STARTUP_FILE can be defined in board.cmake
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if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
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set(LD_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx${MCU_CORE}_flexspi_nor.ld)
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#set(LD_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx_flexspi_nor.ld)
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endif ()
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set(LD_FILE_Clang ${LD_FILE_GNU})
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if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
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set(STARTUP_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
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#set(STARTUP_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
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endif ()
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set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
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add_library(${BOARD_TARGET} STATIC
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add_library(${BOARD_TARGET} STATIC
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${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
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${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/board/clock_config.c
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${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/board/clock_config.c
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${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/board/pin_mux.c
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${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/board/pin_mux.c
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${SDK_DIR}/drivers/common/fsl_common.c
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${SDK_DIR}/drivers/common/fsl_common.c
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@@ -52,6 +62,7 @@ function(add_board_target BOARD_TARGET)
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__ARMFPV5__=0
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__ARMFPV5__=0
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XIP_EXTERNAL_FLASH=1
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XIP_EXTERNAL_FLASH=1
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XIP_BOOT_HEADER_ENABLE=1
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XIP_BOOT_HEADER_ENABLE=1
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__STARTUP_CLEAR_BSS
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)
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)
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target_include_directories(${BOARD_TARGET} PUBLIC
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target_include_directories(${BOARD_TARGET} PUBLIC
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${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
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${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
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@@ -68,31 +79,21 @@ function(add_board_target BOARD_TARGET)
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update_board(${BOARD_TARGET})
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update_board(${BOARD_TARGET})
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# LD_FILE and STARTUP_FILE can be defined in board.cmake
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if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
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set(LD_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx${MCU_CORE}_flexspi_nor.ld)
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#set(LD_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_VARIANT}xxxxx_flexspi_nor.ld)
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endif ()
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if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
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set(STARTUP_FILE_GNU ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
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#set(STARTUP_FILE_IAR ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_VARIANT_WITH_CORE}.S)
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endif ()
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target_sources(${BOARD_TARGET} PUBLIC
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${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
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)
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if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
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if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
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target_link_options(${BOARD_TARGET} PUBLIC
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target_link_options(${BOARD_TARGET} PUBLIC
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"LINKER:--script=${LD_FILE_GNU}"
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"LINKER:--script=${LD_FILE_GNU}"
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# nanolib
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-nostartfiles
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--specs=nosys.specs
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--specs=nosys.specs --specs=nano.specs
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--specs=nano.specs
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# force linker to look for these symbols
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# force linker to look for these symbols
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-Wl,-uimage_vector_table
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-Wl,-uimage_vector_table
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-Wl,-ug_boot_data
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-Wl,-ug_boot_data
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)
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)
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elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
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target_link_options(${BOARD_TARGET} PUBLIC
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"LINKER:--script=${LD_FILE_GNU}"
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-Wl,-uimage_vector_table
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-Wl,-ug_boot_data
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)
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elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
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elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
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target_link_options(${BOARD_TARGET} PUBLIC
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target_link_options(${BOARD_TARGET} PUBLIC
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"LINKER:--config=${LD_FILE_IAR}"
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"LINKER:--config=${LD_FILE_IAR}"
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