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import os
import platform
# toolchains options
ARCH='risc-v'
CPU='nuclei'
CROSS_TOOL='gcc'
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
if platform.system().lower() == "windows":
EXEC_PATH = r'/NucleiStudio/toolchain/gcc/bin'
else:
EXEC_PATH = r'~/NucleiStudio/toolchain/gcc/bin'
if os.path.exists(EXEC_PATH) == False:
print("Warning: Toolchain path %s doesn't exist, assume it is already in PATH" % EXEC_PATH)
EXEC_PATH = '' # Don't set path if not exist
else:
print("CROSS_TOOL = %s not yet supported" % CROSS_TOOL)
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
BUILD = 'debug'
# Fixed configurations below
NUCLEI_SDK_SOC = "demosoc"
NUCLEI_SDK_BOARD = "nuclei_fpga_eval"
# Configurable options below
# DOWNLOAD: https://doc.nucleisys.com/nuclei_sdk/develop/buildsystem.html#download
NUCLEI_SDK_DOWNLOAD = "ilm"
# CORE: See https://doc.nucleisys.com/nuclei_sdk/develop/buildsystem.html#core
NUCLEI_SDK_CORE = "nx600"
if PLATFORM == 'gcc':
# toolchains
PREFIX = 'riscv-nuclei-elf-'
CC = PREFIX + 'gcc'
CXX = PREFIX + 'g++'
AS = PREFIX + 'gcc'
AR = PREFIX + 'ar'
LINK = PREFIX + 'gcc'
GDB = PREFIX + 'gdb'
TARGET_EXT = 'elf'
SIZE = PREFIX + 'size'
OBJDUMP = PREFIX + 'objdump'
OBJCPY = PREFIX + 'objcopy'
CFLAGS = ' -ffunction-sections -fdata-sections -fno-common '
AFLAGS = CFLAGS
LFLAGS = ' --specs=nano.specs --specs=nosys.specs -nostartfiles -Wl,--gc-sections '
LFLAGS += ' -Wl,-cref,-Map=rtthread.map'
LFLAGS += ' -u _isatty -u _write -u _sbrk -u _read -u _close -u _fstat -u _lseek '
CPATH = ''
LPATH = ''
LIBS = ['stdc++']
AFLAGS += ' -D"irq_entry=SW_handler" '
if BUILD == 'debug':
CFLAGS += ' -O2 -ggdb'
AFLAGS += ' -ggdb'
else:
CFLAGS += ' -O2 -Os'
CXXFLAGS = CFLAGS
DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + 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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