add ch32v103 bsp support, compile but does not run, probably due to compile/linker issue

hw/bsp/ch32v10x/family.cmake

@@ -0,0 +1,117 @@
+include_guard()
+
+#set(UF2_FAMILY_ID 0x699b62ec)
+set(CH32_FAMILY ch32v10x)
+set(SDK_DIR ${TOP}/hw/mcu/wch/ch32v103)
+set(SDK_SRC_DIR ${SDK_DIR}/EVT/EXAM/SRC)
+
+# include board specific
+include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
+
+# toolchain set up
+set(CMAKE_SYSTEM_PROCESSOR rv32imac-ilp32 CACHE INTERNAL "System Processor")
+set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/riscv_${TOOLCHAIN}.cmake)
+
+set(FAMILY_MCUS CH32V103 CACHE INTERNAL "")
+set(OPENOCD_OPTION "-f ${CMAKE_CURRENT_LIST_DIR}/wch-riscv.cfg")
+
+#------------------------------------
+# BOARD_TARGET
+#------------------------------------
+# only need to be built ONCE for all examples
+function(add_board_target BOARD_TARGET)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif()
+
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/linker/${CH32_FAMILY}.ld)
+  endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+
+  if (NOT DEFINED STARTUP_FILE_GNU)
+    set(STARTUP_FILE_GNU ${SDK_SRC_DIR}/Startup/startup_${CH32_FAMILY}.S)
+  endif ()
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+
+  add_library(${BOARD_TARGET} STATIC
+    ${SDK_SRC_DIR}/Core/core_riscv.c
+    ${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_gpio.c
+    ${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_misc.c
+    ${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_rcc.c
+    ${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_usart.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/system_${CH32_FAMILY}.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${SDK_SRC_DIR}/Core
+    ${SDK_SRC_DIR}/Peripheral/inc
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    )
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_compile_options(${BOARD_TARGET} PUBLIC
+      -mcmodel=medany
+      )
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -Wl,--defsym=__flash_size=${LD_FLASH_SIZE}
+      -Wl,--defsym=__ram_size=${LD_RAM_SIZE}
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    message(FATAL_ERROR "Clang is not supported for MSP432E4")
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
+  endif ()
+endfunction()
+
+
+#------------------------------------
+# Functions
+#------------------------------------
+function(family_configure_example TARGET RTOS)
+  family_configure_common(${TARGET} ${RTOS})
+
+  # Board target
+  add_board_target(board_${BOARD})
+
+  #---------- Port Specific ----------
+  # These files are built for each example since it depends on example's tusb_config.h
+  target_sources(${TARGET} PUBLIC
+    # BSP
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
+    )
+  target_include_directories(${TARGET} PUBLIC
+    # family, hw, board
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
+    )
+
+  # Add TinyUSB target and port source
+  family_add_tinyusb(${TARGET} OPT_MCU_CH32V103 ${RTOS})
+
+  target_sources(${TARGET}-tinyusb PUBLIC
+    ${TOP}/src/portable/wch/dcd_ch32_usbfs.c
+    )
+  target_link_libraries(${TARGET}-tinyusb PUBLIC board_${BOARD})
+
+  # Link dependencies
+  target_link_libraries(${TARGET} PUBLIC board_${BOARD} ${TARGET}-tinyusb)
+
+  # Flashing
+  family_add_bin_hex(${TARGET})
+  family_flash_openocd_wch(${TARGET})
+
+  #family_add_uf2(${TARGET} ${UF2_FAMILY_ID})
+  #family_flash_uf2(${TARGET} ${UF2_FAMILY_ID})
+endfunction()