import os # 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 = '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' 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'