import os # toolchains options ARCH='arm' CPU='cortex-m4' CROSS_TOOL='gcc' if os.getenv('RTT_CC'): CROSS_TOOL = os.getenv('RTT_CC') # cross_tool provides the cross compiler # EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR if CROSS_TOOL == 'gcc': PLATFORM = 'gcc' EXEC_PATH = r'C:/Program Files/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_EABI/bin' elif CROSS_TOOL == 'keil': PLATFORM = 'armcc' EXEC_PATH = r'C:/Keil' elif CROSS_TOOL == 'iar': print('================ERROR============================') print('Not support iar yet!') print('=================================================') exit(0) if os.getenv('RTT_EXEC_PATH'): EXEC_PATH = os.getenv('RTT_EXEC_PATH') BUILD = 'debug' if PLATFORM == 'gcc': # toolchains PREFIX = 'arm-none-eabi-' CC = PREFIX + 'gcc' AS = PREFIX + 'gcc' AR = PREFIX + 'ar' LINK = PREFIX + 'gcc' TARGET_EXT = 'elf' SIZE = PREFIX + 'size' OBJDUMP = PREFIX + 'objdump' OBJCPY = PREFIX + 'objcopy' DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections' CFLAGS = DEVICE + ' -g -Wall -D__ASSEMBLY__ -D__FPU_USED' AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb ' LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread-k64f.map,-cref,-u,Reset_Handler -T K64FN1M0xxx12.ld' CPATH = '' LPATH = '' if BUILD == 'debug': CFLAGS += ' -O0 -gdwarf-2' AFLAGS += ' -gdwarf-2' else: CFLAGS += ' -O2' POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n' elif PLATFORM == 'armcc': # toolchains CC = 'armcc' AS = 'armasm' AR = 'armar' LINK = 'armlink' TARGET_EXT = 'axf' DEVICE = ' --cpu Cortex-M4.fp ' CFLAGS = DEVICE + ' --c99 --apcs=interwork' AFLAGS = DEVICE LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-k64f.map --scatter MK64F.sct' LFLAGS += ' --keep *.o(.rti_fn.*) --keep *.o(FSymTab) --keep *.o(VSymTab)' EXEC_PATH += '/ARM/ARMCC/bin' if BUILD == 'debug': CFLAGS += ' -g -O0' AFLAGS += ' -g' else: CFLAGS += ' -O2' POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'