support GCC compiler for LM3S platform
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@234 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc
parent
6d9100da2e
commit
5696b4853a
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import os
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import rtconfig
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RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
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target = 'rtthread-lm3s'
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# search path for C compiler
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bsp_path = RTT_ROOT + '/bsp/lm3s'
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env = Environment(tools = ['mingw'],
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AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
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CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
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AR = rtconfig.AR, ARFLAGS = '-rc',
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LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
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env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
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env.AppendUnique(CPPPATH = bsp_path)
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Export('env')
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Export('RTT_ROOT')
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Export('rtconfig')
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objs = SConscript(RTT_ROOT + '/libcpu/SConscript', variant_dir='build/libcpu', duplicate=0)
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objs = objs + SConscript(RTT_ROOT + '/src/SConscript', variant_dir='build/src', duplicate=0)
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objs = objs + SConscript(RTT_ROOT + '/bsp/lm3s/Libraries/SConscript', variant_dir='build/Libraries', duplicate=0)
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if rtconfig.RT_USING_MINILIBC:
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objs = objs + SConscript(RTT_ROOT + '/libc/minilibc/SConscript', variant_dir='build/minilibc', duplicate=0)
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if rtconfig.RT_USING_FINSH:
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objs = objs + SConscript(RTT_ROOT + '/finsh/SConscript', variant_dir='build/finsh', duplicate=0)
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if rtconfig.RT_USING_DFS:
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objs = objs + SConscript(RTT_ROOT + '/filesystem/dfs/SConscript', variant_dir='build/filesystem', duplicate=0)
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if rtconfig.RT_USING_LWIP:
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objs = objs + SConscript(RTT_ROOT + '/net/lwip/SConscript', variant_dir='build/net/lwip', duplicate=0)
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src_bsp = ['application.c', 'startup.c', 'board.c']
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if rtconfig.RT_USING_DFS:
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src_drv = ['sdcard.c']
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if rtconfig.RT_USING_LWIP:
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src_drv += ['luminaryif.c']
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objs = objs + env.Object(src_bsp + src_drv)
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TARGET = target + '.' + rtconfig.TARGET_EXT
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env.Program(TARGET, objs)
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env.AddPostAction(TARGET, rtconfig.POST_ACTION)
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@ -0,0 +1,116 @@
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/*
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* linker script for LM3S with GNU ld
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* yi.qiu 2009-12-26 modified from Bernard's stm32 version
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*/
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/* Program Entry, set to mark it as "used" and avoid gc */
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MEMORY
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{
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CODE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
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DATA (rw) : ORIGIN = 0x20000000, LENGTH = 0x00010000
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}
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ENTRY(ResetISR)
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SECTIONS
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{
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.text :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(4);
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*(.text) /* remaining code */
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*(.text.*) /* remaining code */
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*(.rodata) /* read-only data (constants) */
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*(.rodata*)
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*(.glue_7)
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*(.glue_7t)
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/* section information for finsh shell */
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. = ALIGN(4);
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__fsymtab_start = .;
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KEEP(*(FSymTab))
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__fsymtab_end = .;
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. = ALIGN(4);
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__vsymtab_start = .;
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KEEP(*(VSymTab))
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__vsymtab_end = .;
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. = ALIGN(4);
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. = ALIGN(4);
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_etext = .;
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/* This is used by the startup in order to initialize the .data secion */
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_sidata = _etext;
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} > CODE = 0
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/* .data section which is used for initialized data */
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.data : AT (_sidata)
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{
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .data secion */
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_sdata = . ;
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*(.data)
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*(.data.*)
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .data secion */
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_edata = . ;
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} >DATA
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__bss_start = .;
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.bss :
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{
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .bss secion */
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_sbss = .;
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*(.bss)
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*(COMMON)
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .bss secion */
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_ebss = . ;
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_estack = .;
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*(.bss.init)
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} > DATA
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__bss_end = .;
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_end = .;
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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* Symbols in the DWARF debugging sections are relative to the beginning
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* of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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}
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@ -0,0 +1,102 @@
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# component options
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# finsh shell option
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RT_USING_FINSH = True
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# device file system options
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RT_USING_DFS = True
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RT_USING_DFS_EFSL = True
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RT_USING_DFS_ELMFAT = False
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RT_USING_DFS_YAFFS2 = False
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# lwip options
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RT_USING_LWIP = True
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# rtgui options
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RT_USING_RTGUI = False
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# toolchains options
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ARCH='arm'
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CPU='lm3s'
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#PLATFORM = 'gcc'
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#EXEC_PATH = 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
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PLATFORM = 'armcc'
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EXEC_PATH = 'E:/Keil'
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#PLATFORM = 'iar'
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#EXEC_PATH = 'E:/Program Files/IAR Systems/Embedded Workbench 5.4/'
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BUILD = 'debug'
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if PLATFORM == 'gcc':
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# toolchains
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PREFIX = 'arm-none-eabi-'
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CC = PREFIX + 'gcc'
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AS = PREFIX + 'gcc'
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AR = PREFIX + 'ar'
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LINK = PREFIX + 'gcc'
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TARGET_EXT = 'axf'
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SIZE = PREFIX + 'size'
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OBJDUMP = PREFIX + 'objdump'
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OBJCPY = PREFIX + 'objcopy'
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DEVICE = ' -mcpu=cortex-m3 -mthumb'
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CFLAGS = DEVICE + ' -Dsourcerygxx' + ' -DRT_USING_MINILIBC'
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AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
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LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lm3s.map,-cref,-u,ResetISR -T lm3s_rom.ld'
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CPATH = ''
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LPATH = ''
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if BUILD == 'debug':
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CFLAGS += ' -O0 -gdwarf-2'
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AFLAGS += ' -gdwarf-2'
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else:
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CFLAGS += ' -O2'
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RT_USING_MINILIBC = True
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POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
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elif PLATFORM == 'armcc':
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# toolchains
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CC = 'armcc'
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AS = 'armasm'
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AR = 'armar'
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LINK = 'armlink'
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TARGET_EXT = 'axf'
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DEVICE = ' --device DARMSTM'
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CFLAGS = DEVICE + ' --apcs=interwork'
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AFLAGS = DEVICE
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LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-stm32.map --scatter stm32_rom.sct'
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CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
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LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
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EXEC_PATH += '/arm/bin40/'
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if BUILD == 'debug':
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CFLAGS += ' -g -O0'
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AFLAGS += ' -g'
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else:
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CFLAGS += ' -O2'
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RT_USING_MINILIBC = False
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if RT_USING_FINSH:
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LFLAGS += ' --keep __fsym_* --keep __vsym_*'
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POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
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elif PLATFORM == 'iar':
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# toolchains
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CC = 'iccarm'
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AS = 'iasmarm'
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AR = 'iarchive'
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LINK = 'ilinkarm'
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TARGET_EXT = 'out'
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DEVICE = ' --cpu DARMSTM --thumb'
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CFLAGS = ''
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AFLAGS = ''
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LFLAGS = ' --config stm32f10x_flash.icf'
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EXEC_PATH += '/arm/bin/'
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RT_USING_MINILIBC = False
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POST_ACTION = ''
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