import os ARCH = 'risc-v' CPU = 'e310' # toolchains options CROSS_TOOL = 'gcc' #------- toolchains path ------------------------------------------------------- if os.getenv('RTT_CC'): CROSS_TOOL = os.getenv('RTT_CC') if CROSS_TOOL == 'gcc': PLATFORM = 'gcc' # EXEC_PATH = '/home/tanek/risc-v/e300/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6/bin' EXEC_PATH = '/home/tanek/risc-v/e300/riscv64-unknown-elf-gcc-20171231-x86_64-linux-centos6/bin' if os.getenv('RTT_EXEC_PATH'): EXEC_PATH = os.getenv('RTT_EXEC_PATH') BUILD = 'debug' #BUILD = 'release' CORE = 'risc-v' MAP_FILE = 'rtthread.map' LINK_FILE = './freedom-e-sdk/bsp/env/freedom-e300-hifive1/flash.lds' TARGET_NAME = 'rtthread.bin' #------- GCC settings ---------------------------------------------------------- if PLATFORM == 'gcc': # toolchains PREFIX = 'riscv64-unknown-elf-' CC = PREFIX + 'gcc' AS = PREFIX + 'gcc' AR = PREFIX + 'ar' LINK = PREFIX + 'gcc' TARGET_EXT = 'elf' SIZE = PREFIX + 'size' OBJDUMP = PREFIX + 'objdump' OBJCPY = PREFIX + 'objcopy' DEVICE = ' -march=rv32imac -mabi=ilp32 -DUSE_PLIC -DUSE_M_TIME -DNO_INIT -mcmodel=medany -msmall-data-limit=8 -L. -nostartfiles -lc ' CFLAGS = DEVICE CFLAGS += ' -save-temps=obj' AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp' AFLAGS += ' -Iplatform -Ifreedom-e-sdk/bsp/include -Ifreedom-e-sdk/bsp/env' LFLAGS = DEVICE LFLAGS += ' -Wl,--gc-sections,-cref,-Map=' + MAP_FILE LFLAGS += ' -T ' + LINK_FILE LFLAGS += ' -Wl,-wrap=memset' CPATH = '' LPATH = '' if BUILD == 'debug': CFLAGS += ' -O0 -g3' AFLAGS += ' -g3' else: CFLAGS += ' -O2' POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n' POST_ACTION += SIZE + ' $TARGET\n'