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import os
ARCH = 'arm'
CPU = 'arm926'
# toolchains options
CROSS_TOOL = 'gcc'
#------- toolchains path -------------------------------------------------------
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = '/usr/bin'
elif CROSS_TOOL == 'keil':
PLATFORM = 'armcc'
EXEC_PATH = 'C:/Keil_v5'
elif CROSS_TOOL == 'iar':
PLATFORM = 'iccarm'
EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
#BUILD = 'debug'
BUILD = 'release'
CORE = 'arm926ej-s'
MAP_FILE = 'rtthread_at91sam9g45.map'
LINK_FILE = 'link_scripts/at91sam9g45_ram'
TARGET_NAME = 'rtthread.bin'
#------- GCC settings ----------------------------------------------------------
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 = ' -mcpu=arm926ej-s'
CFLAGS = DEVICE
AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp'
AFLAGS += ' -Iplatform'
LFLAGS = DEVICE
LFLAGS += ' -Wl,--gc-sections,-cref,-Map=' + MAP_FILE
LFLAGS += ' -T ' + LINK_FILE + '.ld'
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -O0 -gdwarf-2'
AFLAGS += ' -gdwarf-2'
else:
CFLAGS += ' -O2'
POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n'
POST_ACTION += SIZE + ' $TARGET\n'
#------- Keil settings ---------------------------------------------------------
elif PLATFORM == 'armcc':
# toolchains
CC = 'armcc'
AS = 'armasm'
AR = 'armar'
LINK = 'armlink'
TARGET_EXT = 'axf'
EXEC_PATH += '/arm/armcc/bin/'
DEVICE = ' --cpu=' + CORE
CFLAGS = DEVICE + ' --apcs=interwork --diag_suppress=870'
AFLAGS = DEVICE + ' -Iplatform'
LFLAGS = DEVICE + ' --strict'
LFLAGS += ' --info sizes --info totals --info unused --info veneers'
LFLAGS += ' --list ' + MAP_FILE
LFLAGS += ' --scatter ' + LINK_FILE + '.scat'
if BUILD == 'debug':
CFLAGS += ' -g -O0'
AFLAGS += ' -g'
else:
CFLAGS += ' -O2'
POST_ACTION = 'fromelf --bin $TARGET --output ' + TARGET_NAME + ' \n'
POST_ACTION += 'fromelf -z $TARGET\n'
#------- IAR settings ----------------------------------------------------------
elif PLATFORM == 'iccarm':
# toolchains
CC = 'iccarm'
AS = 'iasmarm'
AR = 'iarchive'
LINK = 'ilinkarm'
TARGET_EXT = 'out'
DEVICE = CORE
CFLAGS = '--cpu=' + 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 += ' -e'
CFLAGS += ' --fpu=none'
CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
CFLAGS += ' --silent'
AFLAGS = '--cpu '+ DEVICE
AFLAGS += ' -s+'
AFLAGS += ' -w+'
AFLAGS += ' -r'
AFLAGS += ' --fpu none'
AFLAGS += ' -S'
AFLAGS += ' -Iplatform'
if BUILD == 'debug':
CFLAGS += ' --debug'
CFLAGS += ' -On'
else:
CFLAGS += ' -Oh'
LFLAGS = '--config ' + LINK_FILE +'.icf'
LFLAGS += ' --entry __iar_program_start'
LFLAGS += ' --map ' + MAP_FILE
LFLAGS += ' --silent'
EXEC_PATH = EXEC_PATH + '/arm/bin/'
POST_ACTION = 'ielftool --silent --bin $TARGET ' + TARGET_NAME
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