mirror of https://github.com/RT-Thread/rt-thread
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
import os
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import re
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# toolchains options
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ARCH ='risc-v'
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VENDOR ='t-head'
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CPU ='c908'
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CROSS_TOOL ='gcc'
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RTT_ROOT = os.getenv('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/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_rtt/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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if re.match("-DDBGLV=0", os.getenv('KCFLAGS', '-DDBGLV=0')):
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BUILD = 'release'
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else:
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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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PREFIX = os.getenv('RTT_CC_PREFIX') or 'riscv64-unknown-linux-musl-'
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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 = ' -mcmodel=medany -march=rv64imafdcv -mabi=lp64d'
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CFLAGS = DEVICE + ' -Wno-cpp -fvar-tracking -ffreestanding -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -D_POSIX_SOURCE '
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AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
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LFLAGS = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T link.lds.generated' + ' -lsupc++ -lgcc -static'
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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'
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AFLAGS += ' -gdwarf-2'
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else:
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CFLAGS += ' -O2 -g -gdwarf-2'
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CFLAGS += ' ' + os.getenv('KCFLAGS', '-DDBGLV=0')
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CXXFLAGS = CFLAGS
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POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
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