import os import sys # toolchains options ARCH='arm' CPU='cortex-m3' CROSS_TOOL='gcc' 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 = 'E:/tool/env/tools/gnu_gcc/arm_gcc/mingw/bin' elif CROSS_TOOL == 'keil': PLATFORM = 'armcc' EXEC_PATH = 'C:/Keil' elif CROSS_TOOL == 'iar': PLATFORM = 'iar' EXEC_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 os.path.exists(os.path.abspath('./') + '/drivers'): gcc_linkscripts_path = 'drivers/linker_scripts/link.lds' armcc_linkscripts_path = 'drivers/linker_scripts/link.sct' iar_linkscripts_path = 'drivers/linker_scripts/link.icf' else: gcc_linkscripts_path = '../../drivers/linker_scripts/link.lds' armcc_linkscripts_path = '../../drivers/linker_scripts/link.sct' iar_linkscripts_path = '../../drivers/linker_scripts/link.icf' 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' NM = PREFIX + 'nm' DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections' CFLAGS = DEVICE + ' -std=gnu99 -w -fno-common -fomit-frame-pointer -fno-short-enums -fsigned-char' AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb ' LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -g --specs=nano.specs -nostartfiles -Wl,-Map=rtthread-w60x.map -Os -Wl,--gc-sections -Wl,--cref -Wl,--entry=Reset_Handler -Wl,--no-enum-size-warning -Wl,--no-wchar-size-warning -T ' + gcc_linkscripts_path CPATH = '' LPATH = '' if BUILD == 'debug': CFLAGS += ' -O0 -gdwarf-2 -g -Wall' AFLAGS += ' -gdwarf-2' else: CFLAGS += ' -O2' POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n' POST_ACTION += 'python ./makeimg.py' elif PLATFORM == 'armcc': # toolchains CC = 'armcc' AS = 'armasm' AR = 'armar' LINK = 'armlink' TARGET_EXT = 'axf' DEVICE = ' --cpu=Cortex-M3' CFLAGS = DEVICE + ' --apcs=interwork --c99 --gnu' AFLAGS = DEVICE + ' --apcs=interwork ' LFLAGS = DEVICE + ' --scatter ' + armcc_linkscripts_path + ' --info sizes --info totals --info unused --info veneers --list rt-thread.map --strict' LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCC/lib' 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 \n' POST_ACTION += 'python ./makeimg.py' elif PLATFORM == 'iar': # toolchains CC = '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-M3' CFLAGS += ' -e' CFLAGS += ' --fpu=None' 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-M3' AFLAGS += ' --fpu None' AFLAGS += ' -S' if BUILD == 'debug': CFLAGS += ' --debug' CFLAGS += ' -On' else: CFLAGS += ' -Oh' LFLAGS = ' --config ' + iar_linkscripts_path LFLAGS += ' --entry __iar_program_start' EXEC_PATH = EXEC_PATH + '/arm/bin/' POST_ACTION = 'ielftool --bin $TARGET rtthread.bin \n' POST_ACTION += 'python ./makeimg.py'