59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
import os
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ARCH = 'risc-v'
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CPU = 'e310'
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# toolchains options
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CROSS_TOOL = 'gcc'
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#------- toolchains path -------------------------------------------------------
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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 = '/home/zj/risc-v/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6/bin'
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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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#BUILD = 'release'
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CORE = 'risc-v'
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MAP_FILE = 'rtthread.map'
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LINK_FILE = 'sdram'
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TARGET_NAME = 'rtthread.bin'
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#------- GCC settings ----------------------------------------------------------
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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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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=rv32imac -mabi=ilp32 -DUSE_PLIC -DUSE_M_TIME -mcmodel=medany -msmall-data-limit=8 -g -L. -nostartfiles -lc '
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CFLAGS = DEVICE
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CFLAGS += ''
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AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp'
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AFLAGS += ' -Iplatform'
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LFLAGS = DEVICE
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LFLAGS += ' -Wl,--gc-sections,-cref,-Map=' + MAP_FILE
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LFLAGS += ' -T ' + LINK_FILE + '.ld'
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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'
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POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n'
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POST_ACTION += SIZE + ' $TARGET\n'
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