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import os
import sys
import rtconfig
from rtconfig import RTT_ROOT
sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
from building import *
TARGET = 'rtthread.' + rtconfig.TARGET_EXT
DefaultEnvironment(tools=[])
env = Environment(tools = ['mingw'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
AR = rtconfig.AR, ARFLAGS = '-rc',
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
env['ASCOM'] = env['ASPPCOM']
Export('RTT_ROOT')
Export('rtconfig')
rtconfig.CPU='virt64'
rtconfig.ARCH='risc-v'
# prepare building environment
objs = PrepareBuilding(env, RTT_ROOT, has_libcpu = False)
stack_size = 4096
if GetDepend('RT_USING_SMART'):
# use smart link.lds
env['LINKFLAGS'] = env['LINKFLAGS'].replace('link.lds', 'link_smart.lds')
stack_lds = open('link_stacksize.lds', 'w')
if GetDepend('__STACKSIZE__'): stack_size = GetDepend('__STACKSIZE__')
stack_lds.write('__STACKSIZE__ = %d;\n' % stack_size)
stack_lds.close()
# Obtain the number of harts from rtconfig.h and write
# it into link_cpus.lds for the linker script
try:
with open('rtconfig.h', 'r') as f:
rtconfig_content = f.readlines()
except FileNotFoundError:
cpus_nr = 1
else:
cpus_nr = 1 # default value
for line in rtconfig_content:
line = line.strip()
if line.startswith('#define') and 'RT_CPUS_NR' in line:
parts = line.split()
if len(parts) >= 3 and parts[2].isdigit():
cpus_nr = int(parts[2])
break
with open('link_cpus.lds', 'w') as cpus_lds:
cpus_lds.write(f'RT_CPUS_NR = {cpus_nr};\n')
# make a building
DoBuilding(TARGET, objs)
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