support llvm-arm 16.0

2 files changed, 34 insertions, 1 deletions

diff --git a/bsp/stm32/stm32l475-atk-pandora/board/SConscript b/bsp/stm32/stm32l475-atk-pandora/board/SConscript
index 97c31ee844..513aa8598a 100644
--- a/bsp/stm32/stm32l475-atk-pandora/board/SConscript
+++ b/bsp/stm32/stm32l475-atk-pandora/board/SConscript
@@ -47,7 +47,7 @@ if GetDepend(['BSP_USING_AUDIO']):
 
 startup_path_prefix = SDK_LIB
 
-if rtconfig.PLATFORM in ['gcc']:
+if rtconfig.PLATFORM in ['gcc', 'llvm-arm']:
     src += [startup_path_prefix + '/STM32L4xx_HAL/CMSIS/Device/ST/STM32L4xx/Source/Templates/gcc/startup_stm32l475xx.s']
 elif rtconfig.PLATFORM in ['armcc', 'armclang']:
     src += [startup_path_prefix + '/STM32L4xx_HAL/CMSIS/Device/ST/STM32L4xx/Source/Templates/arm/startup_stm32l475xx.s']
diff --git a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
index af29494a89..6b54a18e1a 100644
--- a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
+++ b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
@@ -24,6 +24,9 @@ elif CROSS_TOOL == 'keil':
 elif CROSS_TOOL == 'iar':
     PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
+elif CROSS_TOOL == 'llvm-arm':
+    PLATFORM    = 'llvm-arm'
+    EXEC_PATH   = r'D:\Progrem\LLVMEmbeddedToolchainForArm-16.0.0-Windows-x86_64\bin'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -176,6 +179,36 @@ elif PLATFORM == 'iccarm':
     
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
+elif PLATFORM == 'llvm-arm':
+    # toolchains
+    PREFIX = 'llvm-'
+    CC = 'clang'
+    AS = 'clang'
+    AR = PREFIX + 'ar'
+    CXX = 'clang++'
+    LINK = 'clang'
+    TARGET_EXT = 'elf'
+    SIZE = PREFIX + 'size'
+    OBJDUMP = PREFIX + 'objdump'
+    OBJCPY = PREFIX + 'objcopy'
+    DEVICE = ' --config armv7em_hard_fpv4_sp_d16.cfg'
+    CFLAGS = DEVICE
+    CFLAGS += ' -mfloat-abi=hard -march=armv7em -mfpu=fpv4-sp-d16'
+    AFLAGS = ' -c' + DEVICE + ' -Wa,-mimplicit-it=thumb ' ## -x assembler-with-cpp
+    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-u,Reset_Handler -T board/linker_scripts/link.lds'
+
+    CPATH = ''
+    LPATH = ''
+
+    if BUILD == 'debug':
+        CFLAGS += ' -O0 -gdwarf-2 -g'
+        AFLAGS += ' -gdwarf-2'
+    else:
+        CFLAGS += ' -O2'
+
+    CXXFLAGS = CFLAGS 
+
+    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
 def dist_handle(BSP_ROOT, dist_dir):
     import sys