clang compile with lpc17

hw/bsp/lpc17/boards/lpcxpresso1769/lpc1769.ld

@@ -140,7 +140,7 @@ SECTIONS
         *(COMMON)
         . = ALIGN(4) ;
         _ebss = .;
-        PROVIDE(end = .);
+/*        PROVIDE(end = .);*/
     } > RamLoc32
 
     /* NOINIT section for RamAHB32 */
@@ -159,19 +159,37 @@ SECTIONS
          . = ALIGN(4) ;
         _end_noinit = .;
     } > RamLoc32
-    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+
+    /* hathach add heap section for clang */
+    .heap (NOLOAD): {
+        __heap_start = .;
+        __HeapBase = .;
+        __heap_base = .;
+        __end = .;
+        PROVIDE(end = .);
+        PROVIDE(_end = .);
+        PROVIDE(__end__ = .);
+        KEEP(*(.heap*))
+        __HeapLimit = .;
+        __heap_limit = .;
+        __heap_end = .;
+    } > RamLoc32
+
+/*    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);*/
     PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);
 
     /* ## Create checksum value (used in startup) ## */
-    PROVIDE(__valid_user_code_checksum = 0 -
+    /* This cause issue with clang linker, so it is disabled */
-                                         (_vStackTop
+    /* MemManage_Handler, BusFault_Handler, UsageFault_Handler may not be defined */
-                                         + (ResetISR + 1)
+/*    PROVIDE(__valid_user_code_checksum = 0 -*/
-                                         + (NMI_Handler + 1)
+/*                                         (_vStackTop*/
-                                         + (HardFault_Handler + 1)
+/*                                         + (ResetISR + 1)*/
-                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)   /* MemManage_Handler may not be defined */
+/*                                         + (NMI_Handler + 1)*/
-                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)     /* BusFault_Handler may not be defined */
+/*                                         + (HardFault_Handler + 1)*/
-                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
+/*                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)*/
-                                         ) );
+/*                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)*/
+/*                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1)*/
+/*                                         ) );*/
 
     /* Provide basic symbols giving location and size of main text
      * block, including initial values of RW data sections. Note that

hw/bsp/lpc17/boards/mbed1768/lpc1768.ld

@@ -140,7 +140,7 @@ SECTIONS
         *(COMMON)
         . = ALIGN(4) ;
         _ebss = .;
-        PROVIDE(end = .);
+/*        PROVIDE(end = .);*/
     } > RamLoc32
 
     /* NOINIT section for RamAHB32 */
@@ -159,19 +159,37 @@ SECTIONS
          . = ALIGN(4) ;
         _end_noinit = .;
     } > RamLoc32
-    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+
+    /* hathach add heap section for clang */
+    .heap (NOLOAD): {
+        __heap_start = .;
+        __HeapBase = .;
+        __heap_base = .;
+        __end = .;
+        PROVIDE(end = .);
+        PROVIDE(_end = .);
+        PROVIDE(__end__ = .);
+        KEEP(*(.heap*))
+        __HeapLimit = .;
+        __heap_limit = .;
+        __heap_end = .;
+    } > RamLoc32
+
+/*    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);*/
     PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);
 
     /* ## Create checksum value (used in startup) ## */
-    PROVIDE(__valid_user_code_checksum = 0 -
+    /* This cause issue with clang linker, so it is disabled */
-                                         (_vStackTop
+    /* MemManage_Handler, BusFault_Handler, UsageFault_Handler may not be defined */
-                                         + (ResetISR + 1)
+/*    PROVIDE(__valid_user_code_checksum = 0 -*/
-                                         + (NMI_Handler + 1)
+/*                                         (_vStackTop*/
-                                         + (HardFault_Handler + 1)
+/*                                         + (ResetISR + 1)*/
-                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)   /* MemManage_Handler may not be defined */
+/*                                         + (NMI_Handler + 1)*/
-                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)     /* BusFault_Handler may not be defined */
+/*                                         + (HardFault_Handler + 1)*/
-                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
+/*                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)*/
-                                         ) );
+/*                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)*/
+/*                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1)*/
+/*                                         ) );*/
 
     /* Provide basic symbols giving location and size of main text
      * block, including initial values of RW data sections. Note that

hw/bsp/lpc17/family.cmake

@@ -1,10 +1,7 @@
 include_guard()
 
-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(SDK_DIR ${TOP}/hw/mcu/nxp/lpcopen/lpc175x_6x/lpc_chip_175x_6x)
+set(CMSIS_DIR ${TOP}/lib/CMSIS_5)
 
 # include board specific
 include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
@@ -21,42 +18,46 @@ set(FAMILY_MCUS LPC175X_6X CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
+  if (TARGET ${BOARD_TARGET})
-    add_library(${BOARD_TARGET} STATIC
+    return()
-      ${SDK_DIR}/../gcc/cr_startup_lpc175x_6x.c
+  endif ()
-      ${SDK_DIR}/src/chip_17xx_40xx.c
-      ${SDK_DIR}/src/clock_17xx_40xx.c
-      ${SDK_DIR}/src/gpio_17xx_40xx.c
-      ${SDK_DIR}/src/iocon_17xx_40xx.c
-      ${SDK_DIR}/src/sysctl_17xx_40xx.c
-      ${SDK_DIR}/src/sysinit_17xx_40xx.c
-      ${SDK_DIR}/src/uart_17xx_40xx.c
-      )
-    target_compile_options(${BOARD_TARGET} PUBLIC
-      -nostdlib
-      )
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      __USE_LPCOPEN
-      CORE_M3
-      RTC_EV_SUPPORT=0
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${SDK_DIR}/inc
-      )
 
-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${SDK_DIR}/../gcc/cr_startup_lpc175x_6x.c
+    ${SDK_DIR}/src/chip_17xx_40xx.c
+    ${SDK_DIR}/src/clock_17xx_40xx.c
+    ${SDK_DIR}/src/gpio_17xx_40xx.c
+    ${SDK_DIR}/src/iocon_17xx_40xx.c
+    ${SDK_DIR}/src/sysctl_17xx_40xx.c
+    ${SDK_DIR}/src/sysinit_17xx_40xx.c
+    ${SDK_DIR}/src/uart_17xx_40xx.c
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    __USE_LPCOPEN
+    CORE_M3
+    RTC_EV_SUPPORT=0
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${SDK_DIR}/inc
+    ${CMSIS_DIR}/CMSIS/Core/Include
+    )
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+  update_board(${BOARD_TARGET})
-      target_link_options(${BOARD_TARGET} PUBLIC
+
-        "LINKER:--script=${LD_FILE_GNU}"
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-        # nanolib
+    target_compile_options(${BOARD_TARGET} PUBLIC -nostdlib)
-        --specs=nosys.specs --specs=nano.specs
+    target_link_options(${BOARD_TARGET} PUBLIC
-        )
+      "LINKER:--script=${LD_FILE_GNU}"
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+      --specs=nosys.specs --specs=nano.specs
-      target_link_options(${BOARD_TARGET} PUBLIC
+      )
-        "LINKER:--config=${LD_FILE_IAR}"
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-        )
+    target_link_options(${BOARD_TARGET} PUBLIC
-    endif ()
+      "LINKER:--script=${LD_FILE_GNU}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 

hw/bsp/nrf/family.cmake

@@ -1,9 +1,5 @@
 include_guard()
 
-if (NOT BOARD)
-  message(FATAL_ERROR "BOARD not specified")
-endif ()
-
 set(NRFX_DIR ${TOP}/hw/mcu/nordic/nrfx)
 set(CMSIS_DIR ${TOP}/lib/CMSIS_5)