Merge pull request #39 from prife/sim-module

simulator: mingw and  app module support

24 files changed, 1398 insertions, 9 deletions

diff --git a/bsp/simulator/SConstruct b/bsp/simulator/SConstruct
index 12dbd7a025..f4d21eeee2 100755
--- a/bsp/simulator/SConstruct
+++ b/bsp/simulator/SConstruct
@@ -12,8 +12,8 @@ if os.getenv('RTT_RTGUI'):
 else:
     # set the rtgui root directory by hand
     # empty string means use the RTGUI in svn
-    # RTT_RTGUI = os.path.normpath(r'F:\Project\git\rt-gui\components\rtgui')
-    RTT_RTGUI =''
+    RTT_RTGUI = os.path.normpath(r'F:\Project\git\rt-gui\components\rtgui')
+    # RTT_RTGUI =''
 
 sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
 from building import *
@@ -51,13 +51,34 @@ if rtconfig.PLATFORM == 'cl':
     env.Append(LINKFLAGS=rtconfig.LFLAGS)
     env['LIBS']=libs
     env['CPPDEFINES']=definitions
+elif rtconfig.PLATFORM == 'mingw':
+    libs = Split('''
+        winmm
+        gdi32
+        winspool
+        comdlg32
+        advapi32
+        shell32
+        ole32
+        oleaut32
+        uuid
+        odbc32
+        odbccp32
+        ''')
+    TARGET = 'rtthread-win32.' + rtconfig.TARGET_EXT
+    env = Environment(tools = ['mingw'],
+        AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
+        CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+        AR = rtconfig.AR, ARFLAGS = '-rc',
+        LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
+    env['LIBS']=libs
+    env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 else:
     TARGET = 'rtthread'
     env.Append(CCFLAGS=rtconfig.CFLAGS)
     env.Append(LINKFLAGS=rtconfig.LFLAGS)
     env.Append(LIBS=['m'])
 
-
 # prepare building environment
 
 objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False, remove_components=['rtgui'])
@@ -85,8 +106,42 @@ if GetDepend('RT_USING_RTGUI'):
 if GetDepend('RT_USING_TC'):
     objs = objs + SConscript(RTT_ROOT + '/examples/kernel/SConscript', variant_dir = 'build/tc/kernel', duplicate=0)
 
-# build program 
-program = env.Program(TARGET, objs)
+def ObjRemove(objs, remove):
+    for item in objs:
+        # print type(item), os.path.basename(str(item))
+        if os.path.basename(str(item)) in remove:
+             objs.remove(item)
+    return
+
+# build program  -shared
+if GetDepend('RT_USING_MODULE'):
+    # Remove module.c in $RTT_ROOT/src
+    ObjRemove(objs, ['module.obj', 'module.o'])
+
+    AddOption('--def',
+      dest='def',
+      action='store_true',
+      default=False,
+      help='create rthread.def of rtthread.dll on windows')
+    if GetOption('def'):
+        if rtconfig.PLATFORM != 'mingw':
+            print "scons error: `--def' can only work with mingw"
+            exit(1)
+
+        env['LINKFLAGS'] = rtconfig.DEFFILE_LFLAGS
+        env.SharedLibrary("rtthread.dll", objs)
+        program = ''
+    else:
+        if rtconfig.PLATFORM == 'cl':
+            objs += ['rtthread.def']
+        elif rtconfig.PLATFORM == 'mingw':
+            rtconfig.POST_ACTION = 'del /Q rtthread.lib \n rename librtthread.a rtthread.lib\n'
+            # rtconfig.POST_ACTION = 'lib /machine:i386 /def:rtthread.def /out:rtthread.lib'
+        env.SharedLibrary("rtthread.dll", objs)
+        program = env.Program(TARGET, 'dummy.c', LIBS='rtthread', LIBPATH='.')
+
+else:
+    program = env.Program(TARGET, objs)
 
 # end building
 EndBuilding(TARGET, program)
diff --git a/bsp/simulator/applications/SConscript b/bsp/simulator/applications/SConscript
index 828b49f77f..6dbd985812 100644
--- a/bsp/simulator/applications/SConscript
+++ b/bsp/simulator/applications/SConscript
@@ -6,6 +6,8 @@ src	= Glob('*.c')
 # remove no need file.
 if GetDepend('RT_USING_DFS_WINSHAREDIR') == False:
     SrcRemove(src, 'dfs_win32.c')
+if GetDepend('RT_USING_MODULE') == False:
+    SrcRemove(src, ['module_win32.c'])
 CPPPATH = [cwd, str(Dir('#'))]
 
 group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
diff --git a/bsp/simulator/applications/dfs_win32.c b/bsp/simulator/applications/dfs_win32.c
index 121ed39b81..8601df7239 100644
--- a/bsp/simulator/applications/dfs_win32.c
+++ b/bsp/simulator/applications/dfs_win32.c
@@ -27,6 +27,22 @@
 #include <WinError.h>
 #include  <windows.h>
 
+#if defined(__MINGW32__) && defined(_NO_OLDNAMES)
+#define O_RDONLY    _O_RDONLY
+#define O_WRONLY    _O_WRONLY
+#define O_RDWR      _O_RDWR
+#define O_ACCMODE   _O_ACCMODE
+#define O_APPEND    _O_APPEND
+#define O_CREAT     _O_CREAT
+#define O_TRUNC     _O_TRUNC
+#define O_EXCL      _O_EXCL
+#define O_TEXT      _O_TEXT
+#define O_BINARY    _O_BINARY
+#define O_TEMPORARY _O_TEMPORARY
+#define O_NOINHERIT _O_NOINHERIT
+#define O_SEQUENTIAL   _O_SEQUENTIAL
+#define O_RANDOM    _O_RANDOM
+#endif
 /*
  * RT-Thread DFS Interface for win-directory as an disk device
  */
@@ -132,6 +148,14 @@ static char *winpath_dirdup(char *des, const char *src)
     return path;
 }
 
+/* This function can convert the path in rt-thread/dfs to the path in windows */
+char * dfs_win32_dirdup(char * path)
+{
+    char * file_path;
+    file_path = winpath_dirdup(WIN32_DIRDISK_ROOT, path);
+    return file_path;
+}
+
 static int dfs_win32_open(struct dfs_fd *file)
 {
     int fd;
diff --git a/bsp/simulator/drivers/board.c b/bsp/simulator/drivers/board.c
index 669628df75..dcb8d9a049 100755
--- a/bsp/simulator/drivers/board.c
+++ b/bsp/simulator/drivers/board.c
@@ -53,7 +53,7 @@ void rt_hw_win32_low_cpu(void)
 #endif
 }
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #ifndef _CRT_TERMINATE_DEFINED
 #define _CRT_TERMINATE_DEFINED
 _CRTIMP __declspec(noreturn) void __cdecl exit(__in int _Code);
diff --git a/bsp/simulator/dummy.c b/bsp/simulator/dummy.c
new file mode 100644
index 0000000000..67a38866cb
--- /dev/null
+++ b/bsp/simulator/dummy.c
@@ -0,0 +1,4 @@
+int dummy_main()
+{
+	return 0;
+}
diff --git a/bsp/simulator/mingw.ld b/bsp/simulator/mingw.ld
new file mode 100644
index 0000000000..d5ff228fa1
--- /dev/null
+++ b/bsp/simulator/mingw.ld
@@ -0,0 +1,222 @@
+/* Default linker script, for normal executables */
+OUTPUT_FORMAT(pei-i386)
+SEARCH_DIR("/usr/local/mingw32/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
+SECTIONS
+{
+  /* Make the virtual address and file offset synced if the alignment is
+     lower than the target page size. */
+  . = SIZEOF_HEADERS;
+  . = ALIGN(__section_alignment__);
+  .text  __image_base__ + ( __section_alignment__ < 0x1000 ? . : __section_alignment__ ) :
+  {
+     *(.init)
+    *(.text)
+    *(SORT(.text$*))
+    *(.glue_7t)
+    *(.glue_7)
+     ___CTOR_LIST__ = .; __CTOR_LIST__ = . ;
+			LONG (-1);*(.ctors); *(.ctor); *(SORT(.ctors.*));  LONG (0);
+     ___DTOR_LIST__ = .; __DTOR_LIST__ = . ;
+			LONG (-1); *(.dtors); *(.dtor); *(SORT(.dtors.*));  LONG (0);
+     *(.fini)
+    /* ??? Why is .gcc_exc here?  */
+     *(.gcc_exc)
+    PROVIDE (etext = .);
+     *(.gcc_except_table)
+  }
+
+  /* setction information for finsh shell begin */
+  . = ALIGN(__section_alignment__);
+  FSymTab () : 
+  {
+      ___fsymtab_start = .; __fsymtab_start = .;
+      KEEP(*(FSymTab))
+      ___fsymtab_end = .; __fsymtab_end = .;
+  }
+  . = ALIGN(__section_alignment__);
+  VSymTab () : 
+  {
+      ___vsymtab_start = .; __vsymtab_start = .;
+      KEEP(*(VSymTab))
+      ___vsymtab_end = .; __vsymtab_end = .;
+  }
+  /* setction information for finsh shell end */
+  
+  /* The Cygwin32 library uses a section to avoid copying certain data
+     on fork.  This used to be named ".data".  The linker used
+     to include this between __data_start__ and __data_end__, but that
+     breaks building the cygwin32 dll.  Instead, we name the section
+     ".data_cygwin_nocopy" and explictly include it after __data_end__. */
+  .data BLOCK(__section_alignment__) :
+  {
+    __data_start__ = . ;
+    *(.data)
+    *(.data2)
+    *(SORT(.data$*))
+    *(.jcr)
+    __data_end__ = . ;
+    *(.data_cygwin_nocopy)
+  }
+
+  .rdata BLOCK(__section_alignment__) :
+  {
+    *(.rdata)
+             *(SORT(.rdata$*))
+     *(.eh_frame)
+    ___RUNTIME_PSEUDO_RELOC_LIST__ = .;
+    __RUNTIME_PSEUDO_RELOC_LIST__ = .;
+    *(.rdata_runtime_pseudo_reloc)
+    ___RUNTIME_PSEUDO_RELOC_LIST_END__ = .;
+    __RUNTIME_PSEUDO_RELOC_LIST_END__ = .;
+  }
+  .pdata BLOCK(__section_alignment__) :
+  {
+    *(.pdata)
+  }
+  .bss BLOCK(__section_alignment__) :
+  {
+    __bss_start__ = . ;
+    *(.bss)
+    *(COMMON)
+    __bss_end__ = . ;
+  }
+  .edata BLOCK(__section_alignment__) :
+  {
+    *(.edata)
+  }
+  /DISCARD/ :
+  {
+    *(.debug$S)
+    *(.debug$T)
+    *(.debug$F)
+    *(.drectve)
+  }
+  .idata BLOCK(__section_alignment__) :
+  {
+    /* This cannot currently be handled with grouped sections.
+	See pe.em:sort_sections.  */
+    SORT(*)(.idata$2)
+    SORT(*)(.idata$3)
+    /* These zeroes mark the end of the import list.  */
+    LONG (0); LONG (0); LONG (0); LONG (0); LONG (0);
+    SORT(*)(.idata$4)
+    SORT(*)(.idata$5)
+    SORT(*)(.idata$6)
+    SORT(*)(.idata$7)
+  }
+  .CRT BLOCK(__section_alignment__) :
+  {
+    ___crt_xc_start__ = . ;
+    *(SORT(.CRT$XC*))  /* C initialization */
+    ___crt_xc_end__ = . ;
+    ___crt_xi_start__ = . ;
+    *(SORT(.CRT$XI*))  /* C++ initialization */
+    ___crt_xi_end__ = . ;
+    ___crt_xl_start__ = . ;
+    *(SORT(.CRT$XL*))  /* TLS callbacks */
+    /* ___crt_xl_end__ is defined in the TLS Directory support code */
+    ___crt_xp_start__ = . ;
+    *(SORT(.CRT$XP*))  /* Pre-termination */
+    ___crt_xp_end__ = . ;
+    ___crt_xt_start__ = . ;
+    *(SORT(.CRT$XT*))  /* Termination */
+    ___crt_xt_end__ = . ;
+  }
+  .tls BLOCK(__section_alignment__) :
+  {
+    ___tls_start__ = . ;
+    *(.tls)
+    *(.tls$)
+    *(SORT(.tls$*))
+    ___tls_end__ = . ;
+  }
+  .endjunk BLOCK(__section_alignment__) :
+  {
+    /* end is deprecated, don't use it */
+    PROVIDE (end = .);
+    PROVIDE ( _end = .);
+     __end__ = .;
+  }
+  .rsrc BLOCK(__section_alignment__) :
+  {
+    *(.rsrc)
+    *(SORT(.rsrc$*))
+  }
+  .reloc BLOCK(__section_alignment__) :
+  {
+    *(.reloc)
+  }
+  .stab BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.stab)
+  }
+  .stabstr BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.stabstr)
+  }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section.  Unlike other targets that fake this by putting the
+     section VMA at 0, the PE format will not allow it.  */
+  /* DWARF 1.1 and DWARF 2.  */
+  .debug_aranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_aranges)
+  }
+  .debug_pubnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_pubnames)
+  }
+  /* DWARF 2.  */
+  .debug_info BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_info) *(.gnu.linkonce.wi.*)
+  }
+  .debug_abbrev BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_abbrev)
+  }
+  .debug_line BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_line)
+  }
+  .debug_frame BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_frame)
+  }
+  .debug_str BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_str)
+  }
+  .debug_loc BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_loc)
+  }
+  .debug_macinfo BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_macinfo)
+  }
+  /* SGI/MIPS DWARF 2 extensions.  */
+  .debug_weaknames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_weaknames)
+  }
+  .debug_funcnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_funcnames)
+  }
+  .debug_typenames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_typenames)
+  }
+  .debug_varnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_varnames)
+  }
+  /* DWARF 3.  */
+  .debug_ranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_ranges)
+  }
+}
+
diff --git a/bsp/simulator/rtconfig.h b/bsp/simulator/rtconfig.h
index 3e9fb2e74e..5e0f9ead12 100755
--- a/bsp/simulator/rtconfig.h
+++ b/bsp/simulator/rtconfig.h
@@ -21,6 +21,10 @@
 
 #elif defined(__GNUC__)
 #define RT_USING_NOLIBC
+
+#if defined(__MINGW32__)
+#define _NO_OLDNAMES   /* to ignore: mode_t in sys/type.h */
+#endif
 #endif
 
 /* SECTION: basic kernel options */
@@ -83,6 +87,7 @@
 /* SECTION: Device System */
 /* Using Device System */
 #define RT_USING_DEVICE
+#define RT_USING_DEVICE_IPC
 /* #define RT_USING_UART1 */
 
 /* SECTION: Console options */
@@ -94,11 +99,14 @@
 /* SECTION: component options */
 #define RT_USING_COMPONENTS_INIT
 
+/* SECTION: APP MODULE  */
+#define RT_USING_MODULE
+
 /* SECTION: MTD interface options */
 /* using mtd nand flash */
 #define RT_USING_MTD_NAND
 /* using mtd nor flash */
-#define RT_USING_MTD_NOR
+/* #define RT_USING_MTD_NOR */
 
 /* SECTION: finsh, a C-Express shell */
 #define RT_USING_FINSH
diff --git a/bsp/simulator/rtconfig.py b/bsp/simulator/rtconfig.py
index 4007e0b1d8..2b396c5455 100755
--- a/bsp/simulator/rtconfig.py
+++ b/bsp/simulator/rtconfig.py
@@ -1,7 +1,7 @@
 # toolchains options
 ARCH='sim'
 #CROSS_TOOL='msvc' or 'gcc' or 'mingw' (mingw is not supported yet!)
-CROSS_TOOL='msvc'
+CROSS_TOOL='mingw'
 
 # cross_tool provides the cross compiler
 # EXEC_PATH is the compiler execute path 
@@ -10,11 +10,20 @@ if  CROSS_TOOL == 'gcc':
     PLATFORM  = 'gcc'
     EXEC_PATH = '/usr/bin/gcc'
 
-if  CROSS_TOOL == 'msvc':
+elif  CROSS_TOOL == 'mingw':
+    CPU       = 'win32'
+    PLATFORM  = 'mingw'
+    EXEC_PATH = r'D:\Program Files\CodeBlocks\MinGW\bin'
+
+elif  CROSS_TOOL == 'msvc':
     CPU       = 'win32'
     PLATFORM  = 'cl'
     EXEC_PATH = ''
 
+else :
+    print "bad CROSS TOOL!"
+    exit(1)
+
 BUILD = 'debug'
 #BUILD = ''
 
@@ -48,6 +57,35 @@ if PLATFORM == 'gcc':
 
     POST_ACTION = ''
 
+elif PLATFORM == 'mingw':
+    # toolchains
+    PREFIX = ''
+    CC = PREFIX + 'gcc'
+    AS = PREFIX + 'gcc'
+    AR = PREFIX + 'ar'
+    LINK = PREFIX + 'gcc'
+    TARGET_EXT = 'exe'
+    SIZE = PREFIX + 'size'
+    OBJDUMP = PREFIX + 'objdump'
+    OBJCPY = PREFIX + 'objcopy'
+
+    DEVICE = ' -ffunction-sections -fdata-sections'
+    DEVICE = '  '
+    CFLAGS = DEVICE
+    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
+    DEFFILE_LFLAGS = DEVICE + ' -Wl,-Map=rtthread-win32.map,--output-def,rtthread.def -T mingw.ld '
+    LFLAGS = DEVICE + ' -Wl,-Map=rtthread-win32.map -T mingw.ld '
+    CPATH = ''
+    LPATH = ''
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O0 -gdwarf-2'
+        AFLAGS += ' -gdwarf-2'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = ''
+
 elif PLATFORM == 'cl':
     # toolchains
     PREFIX = ''
diff --git a/bsp/simulator/testdll/SConstruct b/bsp/simulator/testdll/SConstruct
new file mode 100644
index 0000000000..3324f888f7
--- /dev/null
+++ b/bsp/simulator/testdll/SConstruct
@@ -0,0 +1,84 @@
+import os
+import sys
+import SCons.cpp
+import rtconfig
+
+if os.getenv('RTT_ROOT'):
+    RTT_ROOT = os.getenv('RTT_ROOT')
+else:
+    RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
+
+if os.getenv('RTT_RTGUI'):
+    RTT_RTGUI = os.getenv('RTT_RTGUI')
+else:
+    # set the rtgui root directory by hand
+    # empty string means use the RTGUI in svn
+    RTT_RTGUI = os.path.normpath(r'F:\Project\git\rt-gui\components\rtgui')
+    # RTT_RTGUI =''
+
+sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
+from building import *
+
+Export('RTT_ROOT')
+
+# add target option
+AddOption('--app',
+  dest='app',
+  nargs=1, type='string',
+  action='store',
+  metavar='DIR',
+  help='installation prefix')
+
+# add target option
+AddOption('--type',
+  dest='type',
+  nargs=1, type='string',
+  action='store',
+  metavar='DIR',
+  help='installation prefix')
+
+app = GetOption('app')
+env = Environment()
+CPPPATH = [
+	RTT_ROOT + '/include',
+	RTT_ROOT + '/bsp/' + rtconfig.BSP,
+	RTT_ROOT + '/components/finsh',
+	RTT_ROOT + '/components/libdl',
+	RTT_ROOT + '/components/external/ftk/ftk/src/os/rt-thread',
+	RTT_ROOT + '/components/external/ftk/ftk/src/demos',	
+	RTT_ROOT + '/components/external/ftk/ftk/apps/common',
+	RTT_ROOT + '/components/external/ftk/ftk/src',
+	RTT_ROOT + '/components/dfs', 
+	RTT_ROOT + '/components/dfs/include',
+	RTT_ROOT + '/components/libc/newlib',
+	RTT_ROOT + '/components/external/cairo/cairo-1.10.2/src', 
+	RTT_ROOT + '/components/external/cairo/'
+]
+if RTT_RTGUI:
+	RTGUI_ROOT = RTT_RTGUI
+else:
+	RTGUI_ROOT = RTT_ROOT + '/components/rtgui'
+RTGUI_PATH = [
+	RTGUI_ROOT + '/include',
+	RTGUI_ROOT + '/common',
+	RTGUI_ROOT + '/server',
+	RTGUI_ROOT + '/widgets',
+]
+CPPPATH += RTGUI_PATH
+
+env.Append(CCFLAGS=rtconfig.CFLAGS)
+env.Append(LINKFLAGS=rtconfig.LFLAGS)
+env.Append(CPPPATH=CPPPATH)
+env.Append(LIBS='rtthread', LIBPATH='../')
+env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
+
+PrepareModuleBuilding(env, RTT_ROOT)
+
+#dir = app + '/build/' + rtconfig.BSP
+dir = app + '/build/'
+objs = SConscript(app + '/Sconscript', variant_dir=dir, duplicate=0)
+TARGET = dir + '/' + app + '.' + rtconfig.TARGET_EXT
+
+# build program 
+#env.Program(TARGET, objs)
+env.SharedLibrary(TARGET, objs)
diff --git a/bsp/simulator/testdll/basicapp/Sconscript b/bsp/simulator/testdll/basicapp/Sconscript
new file mode 100644
index 0000000000..d8dd99964e
--- /dev/null
+++ b/bsp/simulator/testdll/basicapp/Sconscript
@@ -0,0 +1,7 @@
+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+src	= Glob('*.c')
+group = DefineGroup('', src, depend = [''])
+Return('group')
\ No newline at end of file
diff --git a/bsp/simulator/testdll/basicapp/basicapp.c b/bsp/simulator/testdll/basicapp/basicapp.c
new file mode 100644
index 0000000000..3a1927277e
--- /dev/null
+++ b/bsp/simulator/testdll/basicapp/basicapp.c
@@ -0,0 +1,30 @@
+#include <rtthread.h>
+
+static int a = 0;
+static int b = 1000000;
+int c = 100;
+
+static void function(int count1, int count2, int count3)
+{
+	rt_kprintf("Hello RT-Thread %d %d\n", count1, count2, count3);
+}
+
+int main(void)
+{
+	int i;
+
+	rt_kprintf("application entry\n");
+	rt_kprintf("[addr]a-0x%x,b-0x%x,c-0x%x\n", &a, &b, &c);
+	rt_kprintf("[value]a-%d,b-%d,c-%d\n", a, b, c);
+	
+	for(i=0; i<100; i++)  
+	{	
+		a++;
+		b--;
+		c++;
+		function(a, c, b );
+	}
+ 
+	return 0;
+}
+
diff --git a/bsp/simulator/testdll/label/Sconscript b/bsp/simulator/testdll/label/Sconscript
new file mode 100644
index 0000000000..d8dd99964e
--- /dev/null
+++ b/bsp/simulator/testdll/label/Sconscript
@@ -0,0 +1,7 @@
+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+src	= Glob('*.c')
+group = DefineGroup('', src, depend = [''])
+Return('group')
\ No newline at end of file
diff --git a/bsp/simulator/testdll/label/label_demo1.c b/bsp/simulator/testdll/label/label_demo1.c
new file mode 100644
index 0000000000..9a72c31fd2
--- /dev/null
+++ b/bsp/simulator/testdll/label/label_demo1.c
@@ -0,0 +1,74 @@
+#include <rtthread.h>
+
+#include <rtgui/rtgui.h>
+#include <rtgui/rtgui_app.h>
+#include <rtgui/widgets/window.h>
+#include <rtgui/widgets/label.h>
+#include <rtgui/driver.h>
+
+/* ��LCD�ϴ���һ�������ڣ����ǵ�һ������ */
+static void win_thread_entry(void *parameter)
+{
+    struct rtgui_app *app;
+    struct rtgui_win *win;
+    struct rtgui_label *label;
+    struct rtgui_rect rect;
+
+    app = rtgui_app_create(rt_thread_self(), "MyApp");
+    RT_ASSERT(app != RT_NULL);
+
+    /* create a full screen window */
+    rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect);
+
+    win = rtgui_win_create(RT_NULL, "MainWin", &rect,
+                           RTGUI_WIN_STYLE_NO_BORDER | RTGUI_WIN_STYLE_NO_TITLE);
+    if (win == RT_NULL)
+    {
+        rtgui_app_destroy(app);
+        return;
+    }
+
+    /* ����һ��label������Ϊhelloworld */
+    label = rtgui_label_create("Hello World!");
+
+    /* ����label��λ�ã������Ǿ������� */
+	rect.x1 = 0;
+	rect.y1 = 100;
+	rect.x2 = 240;
+	rect.y2 = 140;
+    rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
+
+	rt_kprintf("bc: %x\n", RTGUI_WIDGET_BACKGROUND(label));
+	rt_kprintf("fc: %x\n", RTGUI_WIDGET_FOREGROUND(label));
+#if 0
+	RTGUI_WIDGET_BACKGROUND(label) = 0;
+	RTGUI_WIDGET_FOREGROUND(label) = RTGUI_RGB(0xFF, 0xFF, 0);
+#endif
+
+    /*����label��������*/
+    rtgui_container_add_child(RTGUI_CONTAINER(win), RTGUI_WIDGET(label));
+
+    /* ��ʾ������ */
+    rtgui_win_show(win, RT_FALSE);
+
+    /* ѭ�� */
+    rtgui_app_run(app);
+
+    rtgui_win_destroy(win);
+    rtgui_app_destroy(app);
+    rt_kprintf("MyApp Quit.\n");
+}
+
+int main()
+{
+    rt_thread_t tid;
+
+    tid = rt_thread_create("win", win_thread_entry, RT_NULL,
+                           2048, 20, 20);
+    if (tid != RT_NULL)
+    {
+        rt_thread_startup(tid);
+    }
+
+    return 0;
+}
diff --git a/bsp/simulator/testdll/rtconfig.py b/bsp/simulator/testdll/rtconfig.py
new file mode 100644
index 0000000000..a2ea824d75
--- /dev/null
+++ b/bsp/simulator/testdll/rtconfig.py
@@ -0,0 +1,51 @@
+# bsp name
+BSP = 'simulator'
+
+# toolchains
+EXEC_PATH = ''
+PREFIX = ''
+TARGET_EXT = 'dll'
+AS = PREFIX + 'cl'
+CC = PREFIX + 'cl'
+AR = PREFIX + 'cl'
+LINK = PREFIX + 'cl'
+AFLAGS = ''
+CFLAGS = ''
+LFLAGS = ''
+BUILD = 'debug'
+
+if BUILD == 'debug':
+    CFLAGS += ' /MTd'
+    LFLAGS += ' /DEBUG'
+else:
+    CFLAGS += ' /MT'
+    LFLAGS += ''
+
+CFLAGS += ' /ZI /Od /W 3 /WL'
+LFLAGS += ' /DEF:rttapp.def /SUBSYSTEM:CONSOLE /MACHINE:X86'
+#LFLAGS += ' /DEF:rttapp.def /SUBSYSTEM:WINDOWS /MACHINE:X86' #/ENTRY:mainCRTStartup 
+
+CPATH = ''
+LPATH = ''
+
+'''
+EXEC_PATH 	= 'C:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
+PREFIX = 'arm-none-eabi-'
+CC = PREFIX + 'gcc'
+CXX = PREFIX + 'g++'
+AS = PREFIX + 'gcc'
+AR = PREFIX + 'ar'
+LINK = PREFIX + 'gcc'
+TARGET_EXT = 'so'
+SIZE = PREFIX + 'size'
+OBJDUMP = PREFIX + 'objdump'
+OBJCPY = PREFIX + 'objcopy'
+
+DEVICE = ' -mcpu=arm920t'
+CFLAGS = DEVICE + ' -O0 -fPIC -DFTK_AS_PLUGIN -DRT_THREAD '
+AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
+LFLAGS = DEVICE + ' -Wl,-z,max-page-size=0x4 -shared -fPIC -nostdlib -s'
+
+CPATH = ''
+LPATH = ''
+'''
diff --git a/bsp/simulator/testdll/rttapp.def b/bsp/simulator/testdll/rttapp.def
new file mode 100644
index 0000000000..a3a3ca51a8
--- /dev/null
+++ b/bsp/simulator/testdll/rttapp.def
@@ -0,0 +1,3 @@
+LIBRARY app
+EXPORTS
+main
diff --git a/bsp/simulator/testdll/snake/SConscript b/bsp/simulator/testdll/snake/SConscript
new file mode 100644
index 0000000000..f9808e4fe7
--- /dev/null
+++ b/bsp/simulator/testdll/snake/SConscript
@@ -0,0 +1,7 @@
+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+src	= Glob('*.c')
+group = DefineGroup('', src, depend = [''])
+Return('group')
diff --git a/bsp/simulator/testdll/snake/snake.c b/bsp/simulator/testdll/snake/snake.c
new file mode 100644
index 0000000000..87e1c8b36f
--- /dev/null
+++ b/bsp/simulator/testdll/snake/snake.c
@@ -0,0 +1,271 @@
+#include <string.h>
+#include <stdlib.h>
+#include <rtthread.h>
+#include "snake.h"
+
+#define ASSERT_RET(x, ret)  \
+    do{                     \
+        if (x)              \
+            return ret;     \
+    }while(0)
+
+rt_list_t snake_head;
+SNAKE_DIR prevdir, newdir;
+
+static SNAKE_DIR dir_adjust(SNAKE_DIR dir)
+{
+    if ((SNAKE_DIR_UP == prevdir && SNAKE_DIR_DOWN != dir)
+            || (SNAKE_DIR_DOWN == prevdir && SNAKE_DIR_UP != dir)
+            || (SNAKE_DIR_LEFT == prevdir && SNAKE_DIR_RIGHT != dir)
+            || (SNAKE_DIR_RIGHT == prevdir && SNAKE_DIR_LEFT != dir)
+       )
+    {
+        newdir = dir;
+    }
+    else
+    {
+        rt_kprintf("dirction change error\n\r");
+    }
+
+    return newdir;
+}
+
+static void across_XY(point_t *node, const map_t *map)
+{
+    RT_ASSERT(node != RT_NULL && map != RT_NULL);
+
+    // ������ȳ�����ǰ�߿�����Դ�Խǽ������
+    node->x = (node->x + map->width) % map->width;
+    node->y = (node->y + map->height) % map->height;
+}
+
+static SYS_STE node_update(snake_t *tail, const point_t *node, map_t *map)
+{
+    SYS_STE ret;
+    point_t *pos;
+
+    RT_ASSERT(tail != RT_NULL && node != RT_NULL && map != RT_NULL);
+
+    pos = map->snake_flush;
+    pos[0].x = pos[0].y = -1;
+    pos[1].x = pos[1].y = -1;
+
+    ret = (SYS_STE)map->range[node->y * map->width + node->x];
+
+    if (FOOD == map->range[node->y * map->width + node->x])
+    {
+        // ��һ��ʳ������һ���ڵ�
+        snake_t *new = (snake_t *)rt_malloc(sizeof(snake_t));
+        if (!new)
+            return NORMAL;
+
+        pos[0] = *node;
+        new->body = *node;
+        rt_list_insert_after(&snake_head, &new->list);
+    }
+    else if (NORMAL == map->range[node->y * map->width + node->x])
+    {
+        // ��β���޸ĺ��õ�ͷ������������
+        rt_list_remove(&tail->list);
+        map->range[tail->body.y * map->width + tail->body.x] = NORMAL;
+
+        pos[0] = *node;
+        pos[1] = tail->body;
+
+        tail->body = *node;
+        rt_list_insert_after(&snake_head, &tail->list);
+    }
+
+    map->range[node->y * map->width + node->x] = OVER;
+
+    if (ret != OVER)
+        prevdir = newdir;
+
+    return ret;
+}
+
+
+map_t *map_init(rt_uint32_t width, rt_uint32_t heigth)
+{
+    map_t *map = rt_malloc(sizeof(map_t));
+
+    if (map != RT_NULL)
+    {
+        map->range = rt_malloc(heigth * width);
+
+        if (!map->range)
+        {
+            rt_free(map);
+            map = RT_NULL;
+        }
+        else
+        {
+            map->width = width;
+            map->height = heigth;
+            memset(map->range, NORMAL, heigth * width);
+        }
+    }
+
+    return map;
+}
+
+// ����һ��ָ�����ȵ�����ָ����
+rt_bool_t snake_init(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map)
+{
+    rt_int32_t i;
+    rt_int32_t inc_x, inc_y;
+    point_t old = *start;
+
+    ASSERT_RET(!map || !start, RT_FALSE);
+
+    rt_list_init(&snake_head);
+
+    if (dir == SNAKE_DIR_UP || dir == SNAKE_DIR_DOWN)
+    {
+        if (map->height <= length)
+            return RT_FALSE;
+
+        inc_x = 0;
+        inc_y = dir == SNAKE_DIR_DOWN ? 1 : -1;  // �����ӳ����ӣ�ͷ����ָ��λ��
+        old.y -= inc_y;
+    }
+    else
+    {
+        if (map->width <= length)
+            return RT_FALSE;
+
+        inc_y = 0;
+        inc_x = dir == SNAKE_DIR_RIGHT ? -1 : 1;
+        old.x -= inc_x;
+    }
+
+    for (i = 0; i < length; i++)
+    {
+        snake_t *new = (snake_t *)rt_malloc(sizeof(snake_t));
+        if (!new)
+            return RT_FALSE;
+
+        new->body.y = inc_y + old.y;
+        new->body.x = inc_x + old.x;
+
+        // ������ȳ�����ǰ�߿�����Դ�Խǽ������
+        across_XY(&new->body, map);
+
+        map->range[new->body.y * map->width + new->body.x] = OVER;
+
+        old = new->body;
+        rt_list_insert_before(&snake_head, &new->list);
+    }
+
+    prevdir = dir;
+
+    return RT_TRUE;
+}
+
+// �����ʳ��
+rt_bool_t food_init(map_t *map, rt_uint32_t max_num)
+{
+    point_t food;
+
+#ifndef FOOD_TIMEOUT
+#define FOOD_TIMEOUT    10
+#endif
+
+    rt_uint32_t timeout, num;
+
+    ASSERT_RET(!map, RT_FALSE);
+
+    num = 0;
+    timeout = rt_tick_get();
+    srand(rand());
+
+    map->food_flush[0].x = map->food_flush[0].y = -1;
+
+    do
+    {
+        food.x = rand() % map->width;
+        food.y = rand() % map->height;
+
+        if (map->range[food.y * map->width + food.x] == NORMAL)
+        {
+            map->food_flush[0] = food;
+            map->range[food.y * map->width + food.x] = FOOD;
+            num++;
+        }
+    }
+    while (num < max_num && rt_tick_get() - timeout < FOOD_TIMEOUT);
+
+    return num;
+}
+
+void map_deinit(map_t *map)
+{
+    if (map)
+    {
+        if (map->range)
+        {
+            rt_free(map->range);
+            map->range = RT_NULL;
+        }
+        rt_free(map);
+    }
+}
+
+void snake_deinit(void)
+{
+    snake_t *node;
+
+    while (!rt_list_isempty(&snake_head))
+    {
+        node = rt_list_entry(snake_head.prev, snake_t, list);
+        rt_list_remove(&node->list);
+        rt_free(node);
+    }
+}
+
+void food_deinit(void)
+{
+
+}
+
+SYS_STE snake_step(SNAKE_DIR dir, map_t *map)
+{
+    snake_t *tail, *head;
+    point_t node;
+
+    ASSERT_RET(!map, RT_FALSE);
+
+    dir = dir_adjust(dir);
+
+    // ȡ��ͷβ�����ڵ㣬�����ڵ㲻��Ҫ�ı�
+    tail = rt_list_entry(snake_head.prev, snake_t, list);
+    head = rt_list_entry(snake_head.next, snake_t, list);
+
+    node = head->body;
+
+    // ����һ���µ���ͷ����
+    switch (dir)
+    {
+    case SNAKE_DIR_UP:
+    case SNAKE_DIR_DOWN:
+        node.y = head->body.y + (dir == SNAKE_DIR_DOWN ? -1 : 1);
+        break;
+    case SNAKE_DIR_LEFT:
+    case SNAKE_DIR_RIGHT:
+        node.x = head->body.x + (dir == SNAKE_DIR_RIGHT ? 1 : -1);
+        break;
+    }
+    across_XY(&node, map);
+
+    return node_update(tail, &node, map);
+}
+
+rt_bool_t snake_restart(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map)
+{
+    ASSERT_RET(!map || !start, RT_FALSE);
+
+    snake_deinit();
+    memset(map->range, NORMAL, map->width * map->height);
+
+    return snake_init(start, length, dir, map);
+}
diff --git a/bsp/simulator/testdll/snake/snake.h b/bsp/simulator/testdll/snake/snake.h
new file mode 100644
index 0000000000..557d4d9241
--- /dev/null
+++ b/bsp/simulator/testdll/snake/snake.h
@@ -0,0 +1,68 @@
+#ifndef _SNAKE_H_
+#define _SNAKE_H_
+
+#include <rtthread.h>
+
+#define snake_length_max                  20  //����߳�
+#define snake_length_init                 3   //��ʼ���߳�
+#define snake_room_size_hight             8   //���Ӹ� 0-255 ����>8
+#define snake_room_size_widht             8   //���ӿ� 0-255 ����>8
+
+#define snake_init_pointx               1
+#define snake_init_pointy               2
+
+typedef struct
+{
+    rt_int32_t x, y;
+} point_t;
+
+typedef struct
+{
+    rt_int32_t width;       // max x
+    rt_int32_t height;      // max y
+    rt_uint8_t *range;      // map, map->range[y * map->width + x]
+    point_t snake_flush[2];
+    point_t food_flush[1];
+} map_t;
+
+typedef enum
+{
+    SNAKE_DIR_UP,
+    SNAKE_DIR_DOWN,
+    SNAKE_DIR_LEFT,
+    SNAKE_DIR_RIGHT
+} SNAKE_DIR;
+
+typedef enum
+{
+    FOOD,       // �Ե�ˮ��
+    OVER,       // ҧ������
+    NORMAL      // �����ж�
+} SYS_STE;
+
+typedef struct
+{
+    point_t body;
+    rt_list_t list;
+} snake_t;
+
+// ����һ����ͼ
+map_t *map_init(rt_uint32_t width, rt_uint32_t heigth);
+
+// ����һ��ָ�����ȵ�����ָ����
+rt_bool_t snake_init(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map);
+
+// �����ʳ��
+rt_bool_t food_init(map_t *map, rt_uint32_t max_num);
+
+void map_deinit(map_t *map);
+
+void snake_deinit(void);
+
+void food_deinit(void);
+
+SYS_STE snake_step(SNAKE_DIR dir, map_t *map);
+
+rt_bool_t snake_restart(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map);
+
+#endif
diff --git a/bsp/simulator/testdll/snake/snake_gui.c b/bsp/simulator/testdll/snake/snake_gui.c
new file mode 100644
index 0000000000..5ad2c8d7c5
--- /dev/null
+++ b/bsp/simulator/testdll/snake/snake_gui.c
@@ -0,0 +1,397 @@
+#include <string.h>
+#include <rtthread.h>
+
+#include <rtgui/rtgui.h>
+#include <rtgui/rtgui_app.h>
+#include <rtgui/widgets/container.h>
+#include <rtgui/widgets/window.h>
+#include <rtgui/widgets/button.h>
+
+#include "snake.h"
+
+#define LATTICE_SIZE        (20)
+#define FOOD_MAX            (8)
+
+#define WALL_COLOR          RTGUI_RGB(255, 0, 0)
+#define SNAKE_COLOR         RTGUI_RGB(0, 100, 200)
+#define SNAKE_HEAD_COLOR    RTGUI_RGB(180, 70, 130)
+#define BACKGROUND_COLOR    RTGUI_RGB(153, 153, 0)
+#define FOOD_COLOR          RTGUI_RGB(128, 0, 0)
+
+static rtgui_timer_t *timer;
+static rt_size_t room_size_x, room_size_y;
+static rt_size_t lattice_size_x, lattice_size_y;
+static struct rtgui_rect room_rect, lattice_rect;
+
+map_t      *map;
+SNAKE_DIR   run_state;
+rt_int32_t  snake_len;
+rt_int32_t  food_num;
+point_t     second_node;
+
+static void snake_fill_lattice(struct rtgui_dc *dc,
+                               rt_uint32_t x,
+                               rt_uint32_t y,
+                               rtgui_color_t color)
+{
+    struct rtgui_rect rect;
+
+    // coordinate  conversion
+    y = (lattice_size_y - 1) - y;
+
+    RTGUI_DC_BC(dc) = color;
+
+    rect.x1 = lattice_rect.x1 + (LATTICE_SIZE * x);
+    rect.x2 = rect.x1 + LATTICE_SIZE;
+    rect.x1 += 2;
+
+    rect.y1 = lattice_rect.y1 + (LATTICE_SIZE * y);
+    rect.y2 = rect.y1 + LATTICE_SIZE;
+    rect.y1 += 2;
+
+    rtgui_dc_fill_rect(dc, &rect);
+}
+
+static void snake_draw(struct rtgui_widget *widget)
+{
+    struct rtgui_dc *dc;
+    struct rtgui_rect rect;
+    rt_uint32_t i;
+
+    dc = rtgui_dc_begin_drawing(widget);
+    if (dc == RT_NULL)
+    {
+        rt_kprintf("dc == RT_NULL\r\n");
+        return;
+    }
+
+    /* get room size, run once frist. */
+    if ((room_size_x == 0) || (room_size_y == 0))
+    {
+        rt_size_t tmp;
+
+        rtgui_widget_get_rect(widget, &rect);
+        rt_kprintf("rect => x1:%d x2:%d, y1:%d y2:%d\r\n", rect.x1, rect.x2, rect.y1, rect.y2);
+
+        room_size_x = rect.x2 - rect.x1;
+        room_size_y = rect.y2 - rect.y1;
+        memcpy(&room_rect, &rect, sizeof(struct rtgui_rect));
+        rt_kprintf("room_rect => x1:%d x2:%d, y1:%d y2:%d\r\n",
+                   room_rect.x1, room_rect.x2,
+                   room_rect.y1, room_rect.y2);
+
+        lattice_size_x = (room_rect.x2 - room_rect.x1) / LATTICE_SIZE;
+        lattice_size_y = (room_rect.y2 - room_rect.y1) / LATTICE_SIZE;
+        lattice_size_x -= 2;
+        lattice_size_y -= 2;
+        rt_kprintf("lattice_size_x:%d lattice_size_y:%d\r\n",
+                   lattice_size_x,
+                   lattice_size_y);
+
+        tmp = (room_rect.x2 - room_rect.x1) - (LATTICE_SIZE * lattice_size_x);
+        lattice_rect.x1 = room_rect.x1 + (tmp / 2);
+        lattice_rect.x2 = lattice_rect.x1 + (LATTICE_SIZE * lattice_size_x);
+
+        tmp = (room_rect.y2 - room_rect.y1) - (LATTICE_SIZE * lattice_size_y);
+        lattice_rect.y1 = room_rect.y1 + (tmp / 2);
+        lattice_rect.y2 = lattice_rect.y1 + (LATTICE_SIZE * lattice_size_y);
+        rt_kprintf("lattice_rect => x1:%d x2:%d, y1:%d y2:%d\r\n",
+                   lattice_rect.x1, lattice_rect.x2,
+                   lattice_rect.y1, lattice_rect.y2);
+
+        /* create snake. */
+        {
+            point_t start;
+            map = map_init(lattice_size_x, lattice_size_y);
+            if (map != RT_NULL)
+            {
+                start.x = snake_init_pointx;
+                start.y = snake_init_pointy;
+                run_state = SNAKE_DIR_DOWN;
+
+                if (snake_init(&start, snake_length_init, run_state, map))
+                {
+                    food_num = 1;
+                    food_init(map, food_num);
+                }
+                else
+                {
+                    map_deinit(map);
+                    map = RT_NULL;
+                }
+            }
+        }
+    }
+
+    RTGUI_DC_BC(dc) = BACKGROUND_COLOR;
+    rtgui_dc_fill_rect(dc, &room_rect);
+
+    memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
+    rect.x2 += 1;
+    rect.y2 += 1;
+    RTGUI_DC_FC(dc) = WALL_COLOR;
+    rtgui_dc_draw_rect(dc, &rect);
+
+    for (i = 1; i < lattice_size_y; i++)
+    {
+        memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
+        rect.x1 += 1;
+        rect.x2 -= 1;
+        rtgui_dc_draw_horizontal_line(dc, rect.x1, rect.x2,
+                                      rect.y1 + (LATTICE_SIZE * i));
+    }
+
+    for (i = 1; i < lattice_size_x; i++)
+    {
+        memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
+        rect.y1 += 1;
+        rect.y2 -= 1;
+        rtgui_dc_draw_vertical_line(dc, rect.x1 + (LATTICE_SIZE * i),
+                                    rect.y1, rect.y2);
+    }
+
+    /* draw snake. */
+    {
+        rt_int32_t x, y;
+        rt_bool_t first_node = RT_TRUE;
+
+        for (y = 0; y < map->height; y++)
+        {
+            for (x = 0; x < map->width; x++)
+            {
+                switch (map->range[y * map->width + x])
+                {
+                case NORMAL:
+                    break;
+                case FOOD:
+                    snake_fill_lattice(dc, x, y, FOOD_COLOR);
+                    break;
+                case OVER:
+                    if (first_node)
+                    {
+                        first_node = RT_FALSE;
+                        second_node.x = x;
+                        second_node.y = y;
+                        snake_fill_lattice(dc, x, y, SNAKE_HEAD_COLOR);
+                    }
+                    else
+                    {
+                        snake_fill_lattice(dc, x, y, SNAKE_COLOR);
+                    }
+                    break;
+                }
+            }
+
+        }
+    }
+
+    rtgui_dc_end_drawing(dc);
+
+    return;
+}
+
+static void snake_update(struct rtgui_widget *widget)
+{
+    struct rtgui_dc *dc;
+    rt_int32_t x, y;
+    rt_uint32_t i;
+
+    dc = rtgui_dc_begin_drawing(widget);
+    if (dc == RT_NULL)
+    {
+        rt_kprintf("dc == RT_NULL\r\n");
+        return;
+    }
+
+    snake_fill_lattice(dc, second_node.x, second_node.y, SNAKE_COLOR);
+    second_node = map->snake_flush[0];
+
+    for (i = 0; i < 3; i++)
+    {
+        if (i < 2)
+        {
+            x = map->snake_flush[i].x;
+            y = map->snake_flush[i].y;
+        }
+        else
+        {
+            x = map->food_flush[0].x;
+            y = map->food_flush[0].y;
+        }
+
+        if ((x >= 0) && (y >= 0))
+        {
+            switch (map->range[(map->width * y) + x])
+            {
+            case NORMAL:
+                snake_fill_lattice(dc, x, y, BACKGROUND_COLOR);
+                break;
+            case FOOD:
+                snake_fill_lattice(dc, x, y, FOOD_COLOR);
+                break;
+            case OVER:
+                if (0 == i)
+                    snake_fill_lattice(dc, x, y, SNAKE_HEAD_COLOR);
+                else
+                    snake_fill_lattice(dc, x, y, SNAKE_COLOR);
+                break;
+            }
+        }
+    }
+
+    rtgui_dc_end_drawing(dc);
+    return;
+}
+
+static void snake_handler(struct rtgui_widget *widget, rtgui_event_t *event)
+{
+    struct rtgui_event_kbd *ekbd;
+
+    ekbd = (struct rtgui_event_kbd *) event;
+    if (ekbd->type == RTGUI_KEYDOWN)
+    {
+        switch (ekbd->key)
+        {
+        case RTGUIK_UP:
+            rt_kprintf("RTGUIK_UP\r\n");
+            run_state = SNAKE_DIR_UP;
+            break;
+        case RTGUIK_DOWN:
+            rt_kprintf("RTGUIK_DOWN\r\n");
+            run_state = SNAKE_DIR_DOWN;
+            break;
+        case RTGUIK_LEFT:
+            rt_kprintf("RTGUIK_LEFT\r\n");
+            run_state = SNAKE_DIR_LEFT;
+            break;
+        case RTGUIK_RIGHT:
+            rt_kprintf("RTGUIK_RIGHT\r\n");
+            run_state = SNAKE_DIR_RIGHT;
+            break;
+        default:
+            break;
+        }
+    }
+}
+
+static rt_bool_t event_handler(struct rtgui_object *object, rtgui_event_t *event)
+{
+    struct rtgui_widget *widget = RTGUI_WIDGET(object);
+
+    rt_kprintf("event_handler\r\n");
+
+    if (event->type == RTGUI_EVENT_PAINT)
+    {
+        rt_kprintf("RTGUI_EVENT_PAINT\r\n");
+        rtgui_win_event_handler((struct rtgui_object *)object, event);
+        snake_draw(widget);
+        rtgui_timer_start(timer);
+    }
+    else if (event->type == RTGUI_EVENT_SHOW)
+    {
+        rt_kprintf("RTGUI_EVENT_SHOW\r\n");
+        rtgui_win_event_handler((struct rtgui_object *)object, event);
+        snake_draw(widget);
+        rtgui_timer_start(timer);
+    }
+    else if (event->type == RTGUI_EVENT_HIDE)
+    {
+        rt_kprintf("RTGUI_EVENT_HIDE\r\n");
+        rtgui_win_event_handler((struct rtgui_object *)object, event);
+        rtgui_timer_stop(timer);
+    }
+    else if (event->type == RTGUI_EVENT_WIN_DEACTIVATE)
+    {
+        rt_kprintf("RTGUI_EVENT_WIN_DEACTIVATE\r\n");
+        rtgui_win_event_handler((struct rtgui_object *)object, event);
+        rtgui_timer_stop(timer);
+    }
+    else if (event->type == RTGUI_EVENT_KBD)
+    {
+        rtgui_win_event_handler((struct rtgui_object *)object, event);
+        snake_handler(widget, event);
+    }
+    else
+    {
+        rt_kprintf("event->type:%d\r\n", event->type);
+        return rtgui_win_event_handler((struct rtgui_object *)object, event);
+    }
+
+    return RT_FALSE;
+}
+
+static void timeout(struct rtgui_timer *timer, void *parameter)
+{
+    struct rtgui_widget *widget;
+    SYS_STE ret;
+
+    if (!map)
+        return;
+
+    ret = snake_step(run_state, map);
+    if (OVER == ret)
+        return;
+
+    if (FOOD == ret)
+    {
+        snake_len++;
+        if (snake_len >= (map->width * map->height) / 3)
+        {
+            point_t start;
+
+            start.x = snake_init_pointx;
+            start.y = snake_init_pointy;
+            run_state = SNAKE_DIR_DOWN;
+            snake_len = snake_length_init;
+
+            if (!snake_restart(&start, snake_len, run_state, map))
+            {
+                map_deinit(map);
+                snake_deinit();
+                map = RT_NULL;
+            }
+        }
+
+        food_init(map, 1);
+    }
+
+    widget = RTGUI_WIDGET(parameter);
+    snake_update(widget);
+}
+
+void main(void)
+{
+    struct rtgui_app *application;
+    struct rtgui_win *win;
+    rtgui_rect_t rect;
+
+    application = rtgui_app_create("sanke_app");
+    if (application != RT_NULL)
+    {
+        rtgui_get_screen_rect(&rect);
+        rtgui_set_mainwin_rect(&rect);
+        win = rtgui_mainwin_create(RT_NULL,
+                                   "sanke_win",
+                                   RTGUI_WIN_STYLE_MAINWIN | RTGUI_WIN_STYLE_DESTROY_ON_CLOSE);
+        if (win == RT_NULL)
+        {
+            rt_kprintf("sanke_win create fail!\r\n");
+            return;
+        }
+
+        rtgui_object_set_event_handler(RTGUI_OBJECT(win), event_handler);
+
+        timer = rtgui_timer_create(RT_TICK_PER_SECOND / 2,
+                                   RT_TIMER_FLAG_PERIODIC,
+                                   timeout,
+                                   (void *)win);
+
+        rtgui_win_show(win, RT_TRUE);
+
+        //�˳���ŷ���
+        map_deinit(map);
+        snake_deinit();
+        food_deinit();
+        rtgui_app_destroy(application);
+    }
+}
diff --git a/bsp/simulator/testdll/var/Sconscript b/bsp/simulator/testdll/var/Sconscript
new file mode 100644
index 0000000000..d8dd99964e
--- /dev/null
+++ b/bsp/simulator/testdll/var/Sconscript
@@ -0,0 +1,7 @@
+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+src	= Glob('*.c')
+group = DefineGroup('', src, depend = [''])
+Return('group')
\ No newline at end of file
diff --git a/bsp/simulator/testdll/var/var.c b/bsp/simulator/testdll/var/var.c
new file mode 100644
index 0000000000..41eba40f38
--- /dev/null
+++ b/bsp/simulator/testdll/var/var.c
@@ -0,0 +1,20 @@
+#include <rtthread.h>
+
+/* rtgui\common\rtgui_object.c */
+_declspec(dllimport) void * _rtgui_object;
+
+/* rtgui\common\color.c */
+_declspec(dllimport) rt_uint32_t blue; 
+//extern rt_uint32_t * green;
+
+int main(void)
+{
+	int i;
+
+	//rt_kprintf("green = %x, *green", green, *(rt_uint32_t *)green);
+	rt_kprintf("blue = %x\n", blue);
+	rt_kprintf("_rtgui_object = %x\n", _rtgui_object);
+	
+	return 0;
+}
+
diff --git a/include/rtm.h b/include/rtm.h
index 92ba6a381a..4bf7951a90 100644
--- a/include/rtm.h
+++ b/include/rtm.h
@@ -21,6 +21,9 @@ struct rt_module_symtab
     const char *name;
 };
 
+#if defined(_MSC_VER) || defined(__MINGW32__)
+#define RTM_EXPORT(symbol)
+#else
 #define RTM_EXPORT(symbol)                                            \
 const char __rtmsym_##symbol##_name[] = #symbol;                      \
 const struct rt_module_symtab __rtmsym_##symbol SECTION("RTMSymTab")= \
@@ -28,6 +31,8 @@ const struct rt_module_symtab __rtmsym_##symbol SECTION("RTMSymTab")= \
     (void *)&symbol,                                                  \
     __rtmsym_##symbol##_name                                          \
 };
+#endif
+
 #else
 #define RTM_EXPORT(symbol)
 #endif
diff --git a/libcpu/SConscript b/libcpu/SConscript
index a1609d5fd3..0d00976092 100644
--- a/libcpu/SConscript
+++ b/libcpu/SConscript
@@ -18,6 +18,9 @@ if rtconfig.PLATFORM == 'iar':
 if rtconfig.PLATFORM == 'cl':
 	src = Glob(path + '/*.c')
 
+if rtconfig.PLATFORM == 'mingw':
+	src = Glob(path + '/*.c')
+
 CPPPATH = [RTT_ROOT + '/libcpu/' + rtconfig.ARCH + '/' + rtconfig.CPU, RTT_ROOT + '/libcpu/' + rtconfig.ARCH + '/common']
 group = DefineGroup(rtconfig.CPU.upper(), src, depend = [''], CPPPATH = CPPPATH)
 
diff --git a/libcpu/sim/win32/cpu_port.c b/libcpu/sim/win32/cpu_port.c
index 38c387b196..6bf3c79cf7 100644
--- a/libcpu/sim/win32/cpu_port.c
+++ b/libcpu/sim/win32/cpu_port.c
@@ -111,6 +111,7 @@ static DWORD WINAPI ThreadforKeyGet(LPVOID lpParam);
 
 static void SetThreadName(DWORD dwThreadID, char* threadName)
 {
+#if defined(_MSC_VER)
 	THREADNAME_INFO info;
 	info.dwType = 0x1000;
 	info.szName = threadName;
@@ -124,6 +125,7 @@ static void SetThreadName(DWORD dwThreadID, char* threadName)
 	__except(EXCEPTION_EXECUTE_HANDLER)
 	{
 	}
+#endif
 }
 
 /*