import os # toolchains options ARCH='arm' CPU='cortex-m3' 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 = 'C:/Program Files/CodeSourcery/Sourcery G++ Lite/bin' elif CROSS_TOOL == 'keil': PLATFORM = 'armcc' EXEC_PATH = 'C:/Keil' elif CROSS_TOOL == 'iar': PLATFORM = 'iar' IAR_PATH = 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation' 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 = 'axf' SIZE = PREFIX + 'size' OBJDUMP = PREFIX + 'objdump' OBJCPY = PREFIX + 'objcopy' DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections' CFLAGS = DEVICE AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp' LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-fm3.map,-cref,-u,Reset_Handler -T fm3_rom.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 = ' --device DARMSTM' CFLAGS = DEVICE + ' --apcs=interwork' AFLAGS = DEVICE LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-fm3.map --scatter fm3_rom.sct' CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC' LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB' EXEC_PATH += '/arm/bin40/' if BUILD == 'debug': CFLAGS += ' -g -O0' AFLAGS += ' -g' else: CFLAGS += ' -O2' POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET' elif PLATFORM == 'iar': # toolchains CC = 'iccarm' AS = 'iasmarm' AR = 'iarchive' LINK = 'ilinkarm' TARGET_EXT = 'out' CFLAGS = '' CFLAGS += ' --diag_suppress Pa050' CFLAGS += ' --no_cse' CFLAGS += ' --no_unroll' CFLAGS += ' --no_inline' CFLAGS += ' --no_code_motion' CFLAGS += ' --no_tbaa' CFLAGS += ' --no_clustering' CFLAGS += ' --no_scheduling' CFLAGS += ' --debug' CFLAGS += ' --endian=little' CFLAGS += ' --cpu=Cortex-M3' CFLAGS += ' -e' CFLAGS += ' --fpu=None' CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/c/DLib_Config_Normal.h"' CFLAGS += ' -Ol' CFLAGS += ' --use_c++_inline' AFLAGS = '' AFLAGS += ' -s+' AFLAGS += ' -w+' AFLAGS += ' -r' AFLAGS += ' --cpu Cortex-M3' AFLAGS += ' --fpu None' AFLAGS += ' -I"' + IAR_PATH + '/arm/INC"' LFLAGS = ' --config mb9bf500r.icf' LFLAGS += ' --semihosting' LFLAGS += ' --entry __iar_program_start' EXEC_PATH = IAR_PATH + '/arm/bin/' POST_ACTION = 'ielftool.exe --srec --verbose $TARGET rtthread.srec'