69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
import os
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import rtconfig
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# toolchains options
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ARCH='arm'
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CPU='cortex-a'
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CROSS_TOOL='gcc'
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if os.getenv('RTT_ROOT'):
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RTT_ROOT = os.getenv('RTT_ROOT')
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else:
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RTT_ROOT = r'../../..'
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if os.getenv('RTT_CC'):
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CROSS_TOOL = os.getenv('RTT_CC')
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# only support GNU GCC compiler.
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PLATFORM = 'gcc'
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EXEC_PATH = r'/usr/lib/arm-none-eabi/bin'
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if os.getenv('AARCH32_CROSS_PATH'):
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EXEC_PATH = os.getenv('AARCH32_CROSS_PATH')
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print('EXEC_PATH = {}'.format(EXEC_PATH))
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else:
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print('AARCH32_CROSS_PATH not found')
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BUILD = 'debug'
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LIBPATH = EXEC_PATH + r'/../lib'
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if PLATFORM == 'gcc':
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# toolchains
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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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STRIP = PREFIX + 'strip'
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DEVICE = ' -g -DGUEST -ffreestanding -Wextra -g -mfpu=crypto-neon-fp-armv8 -mfloat-abi=softfp -march=armv8-a -fdiagnostics-color=always'
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# CFLAGS = DEVICE + ' -Wall'
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CFLAGS = DEVICE
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AFLAGS = ' -c'+ DEVICE + ' -fsingle-precision-constant -fno-builtin -x assembler-with-cpp -D__ASSEMBLY__'
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LINK_SCRIPT = 'link.lds'
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LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread_a32.map,-cref,-u,system_vectors'+\
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' -T %s' % LINK_SCRIPT
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CPATH = ''
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LPATH = LIBPATH
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# generate debug info in all cases
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AFLAGS += ' -gdwarf-2'
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CFLAGS += ' -g -gdwarf-2'
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if BUILD == 'debug':
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CFLAGS += ' -O0'
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else:
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CFLAGS += ' -O2'
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CXXFLAGS = CFLAGS
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POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread_a32.bin\n' +\
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SIZE + ' $TARGET \n'
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