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import os
# toolchains options
ARCH='arm'
CPU='am335x'
CROSS_TOOL='gcc'
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = r'C:\Program Files (x86)\CodeSourcery\Sourcery_CodeBench_Lite_for_ARM_EABI\bin'
elif CROSS_TOOL == 'iar':
PLATFORM = 'iccarm'
EXEC_PATH = r'C:\Program Files\IAR Systems\Embedded Workbench 9.1'
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
BUILD = 'debug'
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'
DEVICE = ' -Wall -march=armv7-a -mtune=cortex-a8'+\
' -ftree-vectorize -ffast-math -mfpu=vfpv3-d16 -mfloat-abi=softfp'
#DEVICE = ' '
CFLAGS = DEVICE
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-beaglebone.map,-cref,-u,Reset_Handler -T beaglebone_ram.lds'
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -O0 -gdwarf-2 -Wall'
AFLAGS += ' -gdwarf-2'
else:
CFLAGS += ' -O2 -Wall'
POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\
SIZE + ' $TARGET \n'
elif PLATFORM == 'iccarm':
# toolchains
CC = 'iccarm'
CXX = 'iccarm'
AS = 'iasmarm'
AR = 'iarchive'
LINK = 'ilinkarm'
TARGET_EXT = 'out'
DEVICE = '-Dewarm'
# ATTENTION from author [email protected]: below *FLAGS are unverified and maybe wrong!
# I just copied it from STM32 and changed it according to my own understanding.
# However, even if it is wrong, it does not affect our generation of IAR project.
CFLAGS = DEVICE
CFLAGS += ' --diag_suppress Pa050'
CFLAGS += ' --no_cse'
CFLAGS += ' --no_unroll'
CFLAGS += ' --no_inline'
CFLAGS += ' --no_code_motion'
CFLAGS += ' --no_tbaa'
CFLAGS += ' --no_clustering'
CFLAGS += ' --no_scheduling'
CFLAGS += ' --endian=little'
CFLAGS += ' --cpu=Cortex-A8'
CFLAGS += ' -e'
CFLAGS += ' --fpu=VFPv3'
CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
CFLAGS += ' --silent'
AFLAGS = DEVICE
AFLAGS += ' -s+'
AFLAGS += ' -w+'
AFLAGS += ' -r'
AFLAGS += ' --cpu Cortex-A8'
AFLAGS += ' --fpu VFPv3'
AFLAGS += ' -S'
if BUILD == 'debug':
CFLAGS += ' --debug'
CFLAGS += ' -On'
else:
CFLAGS += ' -Oh'
LFLAGS = ' --config "beaglebone_ram.icf"'
LFLAGS += ' --entry __iar_program_start'
CXXFLAGS = CFLAGS
EXEC_PATH = EXEC_PATH + '/arm/bin/'
POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
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