2020-08-06 20:04:49 +08:00
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import os
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import sys
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CROSS_TOOL = 'gcc'
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if os.getenv('RTT_CC'):
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CROSS_TOOL = os.getenv('RTT_CC')
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# device options
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ARCH = 'arm'
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CPU = 'cortex-m3'
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if CROSS_TOOL == 'gcc':
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PLATFORM = 'gcc'
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EXEC_PATH = 'D:/Program/env/tools/gnu_gcc/arm_gcc/mingw/bin'
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elif CROSS_TOOL == 'keil':
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PLATFORM = 'armcc'
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EXEC_PATH = 'D:/Program/Keil_v5'
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if os.getenv('RTT_EXEC_PATH'):
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EXEC_PATH = os.getenv('RTT_EXEC_PATH')
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# BUILD = 'debug'
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BUILD = 'release'
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if PLATFORM == 'gcc':
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PREFIX = 'arm-none-eabi-'
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CC = PREFIX + 'gcc'
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CXX = PREFIX + 'g++'
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AS = PREFIX + 'gcc'
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AR = PREFIX + 'ar'
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LINK = PREFIX + 'gcc'
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TARGET_EXT = 'elf'
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SIZE = PREFIX + 'size'
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OBJDUMP = PREFIX + 'objdump'
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OBJCPY = PREFIX + 'objcopy'
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DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections -Wall'
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CFLAGS = DEVICE + ' -std=c99'
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AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
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# link script file path
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LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T CMSIS/startup_gcc/debug-in-microsemi-smartfusion2-envm.ld'
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CPATH = ''
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LPATH = ''
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if BUILD == 'debug':
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CFLAGS += ' -O0 -gdwarf-2 -g'
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AFLAGS += ' -gdwarf-2'
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else:
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CFLAGS += ' -O2'
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POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + OBJCPY + ' -O ihex $TARGET rtthread.hex\n' + SIZE + ' $TARGET \n'
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elif PLATFORM == 'armcc':
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# toolchains
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CC = 'armcc'
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AS = 'armasm'
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AR = 'armar'
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LINK = 'armlink'
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TARGET_EXT = 'axf'
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DEVICE = ' --cpu ' + CPU
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CFLAGS = '-c ' + DEVICE + ' --apcs=interwork --c99'
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AFLAGS = DEVICE + ' --apcs=interwork '
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# link scatter file path
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LFLAGS = DEVICE + ' --scatter "applications/link.sct" --info sizes --info totals --info unused --info veneers --list rtthread.map --strict'
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CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCC/INC'
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LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/ARMCC/LIB'
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CFLAGS += ' -D__MICROLIB '
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AFLAGS += ' --pd "__MICROLIB SETA 1" '
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LFLAGS += ' --library_type=microlib '
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EXEC_PATH += '/arm/armcc/bin/'
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if BUILD == 'debug':
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CFLAGS += ' -g -O0'
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AFLAGS += ' -g'
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else:
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CFLAGS += ' -O2'
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POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
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