原创 rtthread scons使用备注

import os

# toolchains options

ARCH='arm'

CPU='cortex-m7'

CROSS_TOOL='iar'

if os.getenv('RTT_CC'):

    CROSS_TOOL = os.getenv('RTT_CC')

if os.getenv('RTT_ROOT'):

    RTT_ROOT = os.getenv('RTT_ROOT')

# cross_tool provides the cross compiler

# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR

if  CROSS_TOOL == 'gcc':

    PLATFORM    = 'gcc'

    EXEC_PATH   = r'/usr/local/Cellar/arm-none-eabi-gcc/7-2017-q4-major/gcc/bin/'

elif CROSS_TOOL == 'keil':

    PLATFORM    = 'armcc'

    EXEC_PATH   = r'C:/Keil_v5'

elif CROSS_TOOL == 'iar':

    PLATFORM    = 'iar'

    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'

if CROSS_TOOL == 'gcc' and 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'

    CXX = PREFIX + 'g++'

    LINK = PREFIX + 'gcc'

    TARGET_EXT = 'elf'

    SIZE = PREFIX + 'size'

    OBJDUMP = PREFIX + 'objdump'

    OBJCPY = PREFIX + 'objcopy'

    STRIP = PREFIX + 'strip'

    DEVICE = ' -mcpu=Cortex-M7 -mthumb -mfpu=fpv5-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'

    CFLAGS = DEVICE + ' -g -Wall'

    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '

    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread_gcc.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'

    CPATH = ''

    LPATH = ''

    if BUILD == 'debug':

        CFLAGS += ' -O0 -gdwarf-2'

        AFLAGS += ' -gdwarf-2'

    else:

        CFLAGS += ' -O2 -Os'

    CXXFLAGS = CFLAGS 

    

    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread_gcc.bin \n' + SIZE + ' $TARGET \n'

    POST_ACTION += OBJCPY + ' -O ihex $TARGET rtthread.hex \n'

    POST_ACTION += 'cp rtthread.hex d:\Shared \n'

    # module setting 

    CXXFLAGS = ' -Woverloaded-virtual -fno-exceptions -fno-rtti '

    M_CFLAGS = CFLAGS + ' -mlong-calls -fPIC '

    M_CXXFLAGS = CXXFLAGS + ' -mlong-calls -fPIC'

    M_LFLAGS = DEVICE + CXXFLAGS + ' -Wl,--gc-sections,-z,max-page-size=0x4' +\

                                    ' -shared -fPIC -nostartfiles -static-libgcc'

    M_POST_ACTION = STRIP + ' -R .hash $TARGET\n' + SIZE + ' $TARGET \n'

elif PLATFORM == 'armcc':

    # toolchains

    CC = 'armcc'

    CXX = 'armcc'

    AS = 'armasm'

    AR = 'armar'

    LINK = 'armlink'

    TARGET_EXT = 'axf'

    DEVICE = ' --cpu Cortex-M7.fp.sp --fpu=FPv5-SP'

    CFLAGS = DEVICE + ' --c99 --split_sections --apcs=interwork '

    AFLAGS = DEVICE + ' --apcs=interwork '

    LFLAGS = DEVICE + ' --apcs=interwork --summary_stderr --info summarysizes --map --xref --callgraph --symbols --info sizes --info totals --info unused --info veneers --list rtthread_keil.map --scatter board/linker_scripts/link.sct --strict'

    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCC/include'

    LFLAGS += ' --libpath "' + EXEC_PATH + '/ARM/ARMCC/lib"'

    EXEC_PATH += '/ARM/ARMCC/bin'

    if BUILD == 'debug':

        CFLAGS += ' -g -O0'

        AFLAGS += ' -g'

    else:

        CFLAGS += ' -O2 -Otime'

    CXXFLAGS = CFLAGS    

    

    POST_ACTION = 'fromelf --bin $TARGET --output rtthread_keil.bin \n fromelf -z $TARGET \n'

    POST_ACTION += 'fromelf --i32combined $TARGET --output rtthread.hex \n'

    POST_ACTION += 'cp rtthread.hex d:\Shared \n'

elif PLATFORM == 'iar':

    # toolchains

    CC = 'iccarm'

    CXX = 'iccarm'

    AS = 'iasmarm'

    AR = 'iarchive'

    LINK = 'ilinkarm'

    TARGET_EXT = 'out'

    DEVICE = ''

    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 += ' --debug' 

    CFLAGS += ' --endian=little' 

    CFLAGS += ' --cpu=Cortex-M7.fp.sp'

    CFLAGS += ' -e' 

    CFLAGS += ' --fpu=VFPv5_sp'

    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'        

    CFLAGS += ' --use_c++_inline'

    CFLAGS += ' --silent'

    

    AFLAGS = ''

    AFLAGS += ' -s+' 

    AFLAGS += ' -w+' 

    AFLAGS += ' -r' 

    AFLAGS += ' --cpu Cortex-M7.fp.sp '

    AFLAGS += ' --fpu VFPv5_sp' 

    AFLAGS += ' -S'

    if BUILD == 'debug':

#        CFLAGS += ' -Ol'    

        CFLAGS += ' --debug'

        CFLAGS += ' -On'

    else:

        CFLAGS += ' -Oh'

    

    LFLAGS = ' --config board/linker_scripts/link.icf'

    LFLAGS += ' --redirect _Printf=_PrintfTiny' 

    LFLAGS += ' --redirect _Scanf=_ScanfSmall' 

    LFLAGS += ' --entry __iar_program_start'    

#    LFLAGS += ' --silent'

    CXXFLAGS = CFLAGS

    EXEC_PATH = EXEC_PATH + '/arm/bin/'

    POST_ACTION = 'ielftool --bin $TARGET rtthread_iar.bin \n'

    POST_ACTION += 'ielftool --ihex $TARGET rtthread.hex \n'

    POST_ACTION += 'cp rtthread.hex d:\Shared \n'

def dist_handle(BSP_ROOT, dist_dir):

    import sys

    cwd_path = os.getcwd()

    sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))

    from sdk_dist import dist_do_building

    dist_do_building(BSP_ROOT, dist_dir)