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- import os
- # toolchains options
- ARCH ='arm'
- CPU ='cortex-a'
- CROSS_TOOL = 'gcc'
- PLATFORM = 'gcc'
- EXEC_PATH = os.getenv('RTT_EXEC_PATH') or r'/usr/bin'
- BUILD = 'debug'
- LINK_SCRIPT = 'link.lds'
- if PLATFORM == 'gcc':
- PREFIX = os.getenv('RTT_CC_PREFIX') or 'arm-none-eabi-'
- CC = PREFIX + 'gcc'
- CXX = PREFIX + 'g++'
- AS = PREFIX + 'gcc'
- AR = PREFIX + 'ar'
- LINK = PREFIX + 'gcc'
- TARGET_EXT = 'elf'
- SIZE = PREFIX + 'size'
- OBJDUMP = PREFIX + 'objdump'
- OBJCPY = PREFIX + 'objcopy'
- STRIP = PREFIX + 'strip'
- CFPFLAGS = ' -msoft-float'
- AFPFLAGS = ' -mfloat-abi=softfp -mfpu=neon'
- DEVICE = ' -march=armv7-a -mtune=cortex-a7 -ftree-vectorize -ffast-math -funwind-tables -fno-strict-aliasing'
- CXXFLAGS= DEVICE + CFPFLAGS + ' -Wall -fdiagnostics-color=always'
- CFLAGS = DEVICE + CFPFLAGS + ' -Wall -Wno-cpp -std=gnu99 -D_POSIX_SOURCE -fdiagnostics-color=always'
- AFLAGS = DEVICE + ' -c' + AFPFLAGS + ' -x assembler-with-cpp'
- LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,system_vectors -T '+ LINK_SCRIPT + ' -lsupc++ -lgcc -static'
- CPATH = ''
- LPATH = ''
- if BUILD == 'debug':
- CFLAGS += ' -O0 -gdwarf-2'
- CXXFLAGS += ' -O0 -gdwarf-2'
- AFLAGS += ' -gdwarf-2'
- else:
- CFLAGS += ' -Os'
- CXXFLAGS += ' -Os'
- CXXFLAGS += ' -Woverloaded-virtual -fno-rtti'
- M_CFLAGS = CFLAGS + ' -mlong-calls -fPIC '
- M_CXXFLAGS = CXXFLAGS + ' -mlong-calls -fPIC'
- M_LFLAGS = DEVICE + CXXFLAGS + ' -Wl,--gc-sections,-z,max-page-size=0x4' +\
- ' -shared -fPIC -nostartfiles -nostdlib -static-libgcc'
- M_POST_ACTION = STRIP + ' -R .hash $TARGET\n' + SIZE + ' $TARGET \n'
- DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
- POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
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