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import os
import re
# toolchains options
ARCH = 'risc-v'
VENDOR = 't-head'
CPU = 'c908'
CROSS_TOOL = 'gcc'
RTT_ROOT = os.getenv('RTT_ROOT', r'../../../..')
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = os.getenv('RTT_EXEC_PATH') or os.path.expanduser('~/tools/Xuantie-900-gcc-linux-6.6.0-musl64-x86_64-V3.0.2/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'
#BUILD = 'release'
CORE = 'risc-v'
MAP_FILE = 'rtthread.map'
LINK_FILE = 'link.lds.generated'
TARGET_NAME = 'rtthread.bin'
#------- GCC settings ----------------------------------------------------------
if PLATFORM == 'gcc':
# toolchains
PREFIX = os.getenv('RTT_CC_PREFIX') or 'riscv64-unknown-linux-musl-'
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 = ' -mcmodel=medany -march=rv64imafdcv_zicsr_zifencei -mabi=lp64d '
GLOBAL_DEFINES = ' -DC908_PLIC_PHY_ADDR=0x08000000UL '
CFLAGS = DEVICE + GLOBAL_DEFINES + ' -fno-pie -fno-pic -Wno-cpp -fvar-tracking -ffreestanding -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields '
AFLAGS = ' -c' + DEVICE + ' -fno-pie -fno-pic -x assembler-with-cpp -D__ASSEMBLY__'
LFLAGS = DEVICE + ' -no-pie -nostartfiles -Wl,--gc-sections,-Map=' + MAP_FILE + ',-cref,-u,Reset_Handler -T ' + LINK_FILE + ' -lsupc++ -lgcc -static'
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -O0 -g3'
AFLAGS += ' -g3'
else:
CFLAGS += ' -O2 -g2'
CXXFLAGS = CFLAGS
POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n'
POST_ACTION += SIZE + ' $TARGET\n'
def dist_handle(BSP_ROOT, dist_dir):
import sys
cwd_path = os.getcwd()
sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), '../tools'))
from sdk_dist import dist_do_building
dist_do_building(BSP_ROOT, dist_dir)
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