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import os
def check_config_key_enable(key):
if not os.path.isfile('.config'): return False
return (key + '=y') in open('.config').read()
# toolchains options
ARCH='ia32'
CPU=''
CROSS_TOOL= os.getenv('RTT_CC') or 'gcc'
# cross_tool provides the cross compiler
# EXEC_PATH is the compiler execute path, for example, CodeSourcery,
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = os.getenv('RTT_EXEC_PATH') or 'E:/Program Files/CodeSourcery/Sourcery_CodeBench_Lite_for_IA32_ELF/bin'
else:
print('Unknown toolchains, only support GCC')
exit(0)
BUILD = 'debug'
if PLATFORM == 'gcc':
# toolchains
PREFIX = os.getenv('RTT_CC_PREFIX') or 'i386-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 = ' -mtune=generic'
if check_config_key_enable('CONFIG_X86_BSP_USING_PICOLIBC_PORT'):
DEVICE += ' -specs=picolibc.specs'
CFLAGS = DEVICE + ' -Wall'
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T x86_ram.lds -nostartfiles'
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -O0 -gdwarf-2'
AFLAGS += ' -gdwarf-2'
else:
CFLAGS += ' -O2'
POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
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