[bsp] stm32h750-artpi-h750/stm32f412-st-nucleo support armclang.

bsp/stm32/stm32f412-st-nucleo/rtconfig.py

@@ -94,6 +94,40 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
+elif PLATFORM == 'armclang':
+    # toolchains
+    CC = 'armclang'
+    CXX = 'armclang'
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+    TARGET_EXT = 'axf'
+
+    DEVICE = ' --cpu Cortex-M4.fp '
+    CFLAGS = ' --target=arm-arm-none-eabi -mcpu=cortex-m4 '
+    CFLAGS += ' -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 '
+    CFLAGS += ' -mfloat-abi=hard -c -fno-rtti -funsigned-char -fshort-enums -fshort-wchar '
+    CFLAGS += ' -gdwarf-3 -ffunction-sections '
+    AFLAGS = DEVICE + ' --apcs=interwork '
+    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers '
+    LFLAGS += ' --list rt-thread.map '
+    LFLAGS += r' --strict --scatter "board\linker_scripts\link.sct" '
+    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCLANG/include'
+    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCLANG/lib'
+
+    EXEC_PATH += '/ARM/ARMCLANG/bin/'
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O1' # armclang recommend
+        AFLAGS += ' -g'
+    else:
+        CFLAGS += ' -O2'
+        
+    CXXFLAGS = CFLAGS
+    CFLAGS += ' -std=c99'
+
+    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'

bsp/stm32/stm32h750-artpi-h750/rtconfig.py

@@ -94,6 +94,40 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
+elif PLATFORM == 'armclang':
+    # toolchains
+    CC = 'armclang'
+    CXX = 'armclang'
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+    TARGET_EXT = 'axf'
+
+    DEVICE = ' --cpu Cortex-M7.fp.sp '
+    CFLAGS = ' --target=arm-arm-none-eabi -mcpu=cortex-M7 '
+    CFLAGS += ' -mcpu=cortex-M7 -mfpu=fpv4-sp-d16 '
+    CFLAGS += ' -mfloat-abi=hard -c -fno-rtti -funsigned-char -fshort-enums -fshort-wchar '
+    CFLAGS += ' -gdwarf-3 -ffunction-sections '
+    AFLAGS = DEVICE + ' --apcs=interwork '
+    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers '
+    LFLAGS += ' --list rt-thread.map '
+    LFLAGS += r' --strict --scatter "board\linker_scripts\link.sct" '
+    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCLANG/include'
+    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCLANG/lib'
+
+    EXEC_PATH += '/ARM/ARMCLANG/bin/'
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O1' # armclang recommend
+        AFLAGS += ' -g'
+    else:
+        CFLAGS += ' -O2'
+        
+    CXXFLAGS = CFLAGS
+    CFLAGS += ' -std=c99'
+
+    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'

libcpu/arm/cortex-m7/SConscript

@@ -8,7 +8,7 @@ cwd     = GetCurrentDir()
 src     = Glob('*.c') + Glob('*.cpp')
 CPPPATH = [cwd]
 
-if rtconfig.PLATFORM == 'armcc':
+if rtconfig.PLATFORM == 'armcc' or rtconfig.PLATFORM == 'armclang':
     src += Glob('*_rvds.S')
 
 if rtconfig.PLATFORM == 'gcc':