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import os
ARCH = 'risc-v'
CPU = 'ch32'
CROSS_TOOL = 'gcc'
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = r'D:\rtt\sdk-toolchain-RISC-V-GCC-WCH\bin'
else:
print('Please make sure your toolchains is GNU GCC!')
exit(0)
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
BUILD = 'debug'
CORE = 'risc-v'
MAP_FILE = 'rtthread.map'
LINK_FILE = './board/linker_scripts/link.lds'
TARGET_NAME = 'rtthread.bin'
if PLATFORM == 'gcc':
PREFIX = 'riscv-none-embed-'
CC = PREFIX + 'gcc'
CXX = PREFIX + 'g++'
AS = PREFIX + 'gcc'
AR = PREFIX + 'ar'
LINK = PREFIX + 'gcc'
TARGET_EXT = 'elf'
SIZE = PREFIX + 'size'
OBJDUMP = PREFIX + 'objdump'
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' -march=rv32ec -mabi=ilp32e -mcmodel=medany -msmall-data-limit=8 -ffunction-sections -fdata-sections -nostartfiles --specs=nano.specs -lc '
CFLAGS = DEVICE
AFLAGS = '-c' + DEVICE + ' -x assembler-with-cpp'
LFLAGS = DEVICE
LFLAGS += ' -Wl,--gc-sections,-cref,-Map=' + MAP_FILE
LFLAGS += ' -T ' + LINK_FILE
CXXFLAGS = CFLAGS
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -Os -g'
AFLAGS += ' -g'
else:
CFLAGS += ' -Os'
POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n'
POST_ACTION += SIZE + ' $TARGET\n'
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