import os # toolchains options ARCH='arm' CPU='cortex-m4' CROSS_TOOL='gcc' # bsp lib config BSP_LIBRARY_TYPE = None if os.getenv('RTT_CC'): CROSS_TOOL = os.getenv('RTT_CC') if os.getenv('RTT_ROOT'): RTT_ROOT = os.getenv('RTT_ROOT') # 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:\Users\XXYYZZ' elif CROSS_TOOL == 'keil': PLATFORM = 'armcc' EXEC_PATH = r'C:/Keil_v5' elif CROSS_TOOL == 'iar': PLATFORM = 'iar' EXEC_PATH = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0' 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' CXX = PREFIX + 'g++' 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 + ' -Dgcc' AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb ' LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-cref,-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' elif PLATFORM == 'armcc': # toolchains CC = 'armcc' CXX = 'armcc' AS = 'armasm' AR = 'armar' LINK = 'armlink' TARGET_EXT = 'axf' DEVICE = ' --cpu Cortex-M4.fp ' CFLAGS = '-c ' + DEVICE + ' --apcs=interwork --c99' AFLAGS = DEVICE + ' --apcs=interwork ' LFLAGS = DEVICE + ' --scatter "board\linker_scripts\link.sct" --info sizes --info totals --info unused --info veneers --list rt-thread.map --strict' CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCC/include' LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCC/lib' CFLAGS += ' -D__MICROLIB ' AFLAGS += ' --pd "__MICROLIB SETA 1" ' LFLAGS += ' --library_type=microlib ' EXEC_PATH += '/ARM/ARMCC/bin/' if BUILD == 'debug': CFLAGS += ' -g -O0' 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' CXX = 'iccarm' AS = 'iasmarm' AR = 'iarchive' LINK = 'ilinkarm' TARGET_EXT = 'out' DEVICE = '-Dewarm' CFLAGS = DEVICE 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 += ' --endian=little' CFLAGS += ' --cpu=Cortex-M4' CFLAGS += ' -e' CFLAGS += ' --fpu=VFPv4_sp' CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"' CFLAGS += ' --silent' AFLAGS = DEVICE AFLAGS += ' -s+' AFLAGS += ' -w+' AFLAGS += ' -r' AFLAGS += ' --cpu Cortex-M4' AFLAGS += ' --fpu VFPv4_sp' AFLAGS += ' -S' if BUILD == 'debug': CFLAGS += ' --debug' CFLAGS += ' -On' else: CFLAGS += ' -Oh' LFLAGS = ' --config "board/linker_scripts/link.icf"' LFLAGS += ' --entry __iar_program_start' CXXFLAGS = CFLAGS EXEC_PATH = EXEC_PATH + '/arm/bin/' POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'