60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
|
import os
|
||
|
|
|
||
|
|
|
||
|
|
# toolchains options
|
||
|
|
ARCH='arm'
|
||
|
|
CPU='cortex-a'
|
||
|
|
CROSS_TOOL='gcc'
|
||
|
|
|
||
|
|
if os.getenv('RTT_CC'):
|
||
|
|
CROSS_TOOL = os.getenv('RTT_CC')
|
||
|
|
|
||
|
|
# only support GNU GCC compiler.
|
||
|
|
PLATFORM = 'gcc'
|
||
|
|
EXEC_PATH = '/usr/lib/arm-none-eabi/bin'
|
||
|
|
if os.getenv('RTT_EXEC_PATH'):
|
||
|
|
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
|
||
|
|
|
||
|
|
BUILD = 'debug'
|
||
|
|
|
||
|
|
LIBPATH = '/usr/lib/arm-none-eabi/lib'
|
||
|
|
|
||
|
|
|
||
|
|
if PLATFORM == 'gcc':
|
||
|
|
# toolchains
|
||
|
|
PREFIX = 'arm-none-eabi-'
|
||
|
|
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'
|
||
|
|
STRIP = PREFIX + 'strip'
|
||
|
|
|
||
|
|
|
||
|
|
DEVICE = ' -march=armv8-a -mfpu=vfpv4-d16 -ftree-vectorize -ffast-math -mfloat-abi=soft --specs=nano.specs --specs=nosys.specs -fno-builtin '
|
||
|
|
# DEVICE = ' -march=armv7-a -mfpu=vfpv3-d16 -ftree-vectorize -ffast-math -mfloat-abi=hard'
|
||
|
|
CFLAGS = DEVICE + ' -Wall'
|
||
|
|
AFLAGS = ' -c'+ DEVICE + ' -fsingle-precision-constant -fno-builtin -x assembler-with-cpp -D__ASSEMBLY__'
|
||
|
|
LINK_SCRIPT = 'ft_aarch32.lds'
|
||
|
|
LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,system_vectors'+\
|
||
|
|
' -T %s' % LINK_SCRIPT
|
||
|
|
|
||
|
|
CPATH = ''
|
||
|
|
LPATH = LIBPATH
|
||
|
|
|
||
|
|
# generate debug info in all cases
|
||
|
|
AFLAGS += ' -gdwarf-2'
|
||
|
|
CFLAGS += ' -g -gdwarf-2'
|
||
|
|
|
||
|
|
if BUILD == 'debug':
|
||
|
|
CFLAGS += ' -O0'
|
||
|
|
else:
|
||
|
|
CFLAGS += ' -O2'
|
||
|
|
|
||
|
|
POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\
|
||
|
|
SIZE + ' $TARGET \n'
|