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55 lines
1.6 KiB
55 lines
1.6 KiB
5 months ago
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import os
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# toolchains options
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ARCH ='risc-v'
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CPU ='virt64'
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CROSS_TOOL ='gcc'
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RTT_ROOT = os.getenv('RTT_ROOT') or os.path.join(os.getcwd(), '..', '..')
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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/rtt_riscv64_musl/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 = os.getenv('RTT_CC_PREFIX') or '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 = ' -mcmodel=medany -march=rv64imafdc -mabi=lp64 '
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CFLAGS = DEVICE + '-ffreestanding -flax-vector-conversions -Wno-cpp -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -fdiagnostics-color=always'
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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' + ' -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 -ggdb -fvar-tracking '
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AFLAGS += ' -ggdb'
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else:
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CFLAGS += ' -O2 -Os'
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CXXFLAGS = CFLAGS
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DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtthread.asm\n'
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POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
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