63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
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import os
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# toolchains options
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ARCH ='risc-v'
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CPU ='e24'
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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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if CROSS_TOOL == 'gcc':
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PLATFORM = 'gcc'
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EXEC_PATH = r'/opt/toolchain_riscv_sifive_linux/bin'
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else:
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print('Please make sure your toolchains is GNU GCC!')
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exit(0)
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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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if PLATFORM == 'gcc':
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# toolchains
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PREFIX = 'riscv64-unknown-elf-'
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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 = ' -march=rv32imafc -mabi=ilp32f'
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CFLAGS = DEVICE + ' -std=gnu99 -fno-jump-tables -fno-common -fms-extensions -ffunction-sections -fdata-sections -fmessage-length=0 -Wall -Wchar-subscripts -Wformat -Wundef -Wuninitialized -Winit-self -Wignored-qualifiers'
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CFLAGS += ' -fstrict-volatile-bitfields -fshort-enums -Wno-error=unused-variable -Wno-error=format= -Wno-error=unused-function -Wno-error=implicit-function-declaration -Wno-error=deprecated-declarations -Wno-format'
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LINKER_SCRIPTS = r'board/linker_scripts/bl702_flash.ld'
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AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
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LFLAGS = DEVICE + ' -nostartfiles -ufw_header -fms-extensions -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T ' + LINKER_SCRIPTS
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CPATH = ''
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LPATH = ''
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if BUILD == 'debug':
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CFLAGS += ' -O2 -g3'
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AFLAGS += ' -g3'
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else:
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CFLAGS += ' -O3'
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CXXFLAGS = CFLAGS + ' -std=gnu++17 -Wno-multichar'
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DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
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POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
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POST_ACTION += 'sh combine.sh bl702 ./rtthread.bin\n'
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