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- import os
- # toolchains options
- ARCH ='arm'
- CPU ='cortex-a'
- CROSS_TOOL ='gcc'
- if os.getenv('RTT_ROOT'):
- RTT_ROOT = os.getenv('RTT_ROOT')
- else:
- RTT_ROOT = r'../../..'
- if os.getenv('RTT_CC'):
- CROSS_TOOL = os.getenv('RTT_CC')
- PLATFORM = 'gcc'
- EXEC_PATH = r'/usr/bin'
- BUILD = 'debug'
- if os.getenv('RTT_EXEC_PATH'):
- EXEC_PATH = os.getenv('RTT_EXEC_PATH')
- if PLATFORM == 'gcc':
- # toolchains
- # PREFIX = 'arm-none-eabi-'
- PREFIX = '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'
- DEVICE = ' -march=armv8-a -mtune=cortex-a72'
- CFLAGS = DEVICE + ' -Wall'
- AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
- LFLAGS = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,system_vectors -T link.lds'
- CPATH = ''
- LPATH = ''
- if BUILD == 'debug':
- CFLAGS += ' -O0 -gdwarf-2'
- AFLAGS += ' -gdwarf-2'
- else:
- CFLAGS += ' -O2'
- CXXFLAGS = CFLAGS
- DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
- POST_ACTION = OBJCPY + ' -O binary $TARGET kernel7.img\n' + SIZE + ' $TARGET \n'
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